patch 7.4.2063v7.4.2063

Problem:    eval.c is still too big.
Solution:   Split off internal functions to evalfunc.c.

20 files changed, 13459 insertions, 13385 deletions

diff --git a/Filelist b/Filelist
index dc9a2308b..48778fc6c 100644
--- a/Filelist
+++ b/Filelist
@@ -23,6 +23,7 @@ SRC_ALL =	\
 		src/digraph.c \
 		src/edit.c \
 		src/eval.c \
+		src/evalfunc.c \
 		src/ex_cmds.c \
 		src/ex_cmds.h \
 		src/ex_cmds2.c \
@@ -134,6 +135,7 @@ SRC_ALL =	\
 		src/proto/digraph.pro \
 		src/proto/edit.pro \
 		src/proto/eval.pro \
+		src/proto/evalfunc.pro \
 		src/proto/ex_cmds.pro \
 		src/proto/ex_cmds2.pro \
 		src/proto/ex_docmd.pro \
diff --git a/src/Make_bc5.mak b/src/Make_bc5.mak
index 55a9e0f58..54665668a 100644
--- a/src/Make_bc5.mak
+++ b/src/Make_bc5.mak
@@ -548,6 +548,7 @@ vimobj =  \
 	$(OBJDIR)\digraph.obj \
 	$(OBJDIR)\edit.obj \
 	$(OBJDIR)\eval.obj \
+	$(OBJDIR)\evalfunc.obj \
 	$(OBJDIR)\ex_cmds.obj \
 	$(OBJDIR)\ex_cmds2.obj \
 	$(OBJDIR)\ex_docmd.obj \
diff --git a/src/Make_cyg_ming.mak b/src/Make_cyg_ming.mak
index cc68f442c..a6edef632 100644
--- a/src/Make_cyg_ming.mak
+++ b/src/Make_cyg_ming.mak
@@ -615,6 +615,7 @@ OBJ = \
 	$(OUTDIR)/digraph.o \
 	$(OUTDIR)/edit.o \
 	$(OUTDIR)/eval.o \
+	$(OUTDIR)/evalfunc.o \
 	$(OUTDIR)/ex_cmds.o \
 	$(OUTDIR)/ex_cmds2.o \
 	$(OUTDIR)/ex_docmd.o \
diff --git a/src/Make_dice.mak b/src/Make_dice.mak
index fe8f2c8b4..00d38f6f9 100644
--- a/src/Make_dice.mak
+++ b/src/Make_dice.mak
@@ -37,6 +37,7 @@ SRC = \
 	digraph.c \
 	edit.c \
 	eval.c \
+	evalfunc.c \
 	ex_cmds.c \
 	ex_cmds2.c \
 	ex_docmd.c \
@@ -91,6 +92,7 @@ OBJ =	o/arabic.o \
 	o/digraph.o \
 	o/edit.o \
 	o/eval.o \
+	o/evalfunc.o \
 	o/ex_cmds.o \
 	o/ex_cmds2.o \
 	o/ex_docmd.o \
@@ -175,6 +177,8 @@ o/edit.o:	edit.c	$(SYMS)
 
 o/eval.o:	eval.c  $(SYMS)
 
+o/evalfunc.o:	evalfunc.c  $(SYMS)
+
 o/ex_cmds.o:	ex_cmds.c  $(SYMS)
 
 o/ex_cmds2.o:	ex_cmds2.c  $(SYMS)
diff --git a/src/Make_ivc.mak b/src/Make_ivc.mak
index 71cdef05a..449d537bc 100644
--- a/src/Make_ivc.mak
+++ b/src/Make_ivc.mak
@@ -221,6 +221,7 @@ LINK32_OBJS= \
 	"$(INTDIR)/digraph.obj" \
 	"$(INTDIR)/edit.obj" \
 	"$(INTDIR)/eval.obj" \
+	"$(INTDIR)/evalfunc.obj" \
 	"$(INTDIR)/ex_cmds.obj" \
 	"$(INTDIR)/ex_cmds2.obj" \
 	"$(INTDIR)/ex_docmd.obj" \
@@ -379,6 +380,10 @@ SOURCE=.\eval.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\evalfunc.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\ex_cmds.c
 # End Source File
 # Begin Source File
diff --git a/src/Make_manx.mak b/src/Make_manx.mak
index 81a2c192e..1d8686c24 100644
--- a/src/Make_manx.mak
+++ b/src/Make_manx.mak
@@ -47,6 +47,7 @@ SRC =	arabic.c \
 	digraph.c \
 	edit.c \
 	eval.c \
+	evalfunc.c \
 	ex_cmds.c \
 	ex_cmds2.c \
 	ex_docmd.c \
@@ -103,6 +104,7 @@ OBJ =	obj/arabic.o \
 	obj/digraph.o \
 	obj/edit.o \
 	obj/eval.o \
+	obj/evalfunc.o \
 	obj/ex_cmds.o \
 	obj/ex_cmds2.o \
 	obj/ex_docmd.o \
@@ -157,6 +159,7 @@ PRO =	proto/arabic.pro \
 	proto/digraph.pro \
 	proto/edit.pro \
 	proto/eval.pro \
+	proto/evalfunc.pro \
 	proto/ex_cmds.pro \
 	proto/ex_cmds2.pro \
 	proto/ex_docmd.pro \
@@ -277,6 +280,9 @@ obj/edit.o:	edit.c
 obj/eval.o:	eval.c
 	$(CCSYM) $@ eval.c
 
+obj/evalfunc.o:	evalfunc.c
+	$(CCSYM) $@ evalfunc.c
+
 obj/ex_cmds.o:	ex_cmds.c
 	$(CCSYM) $@ ex_cmds.c
 
diff --git a/src/Make_morph.mak b/src/Make_morph.mak
index cfac10781..daebf81a3 100644
--- a/src/Make_morph.mak
+++ b/src/Make_morph.mak
@@ -35,6 +35,7 @@ SRC =	arabic.c						\
 	digraph.c						\
 	edit.c							\
 	eval.c							\
+	evalfunc.c						\
 	ex_cmds.c						\
 	ex_cmds2.c						\
 	ex_docmd.c						\
diff --git a/src/Make_mvc.mak b/src/Make_mvc.mak
index 10a1cd842..b331bf9db 100644
--- a/src/Make_mvc.mak
+++ b/src/Make_mvc.mak
@@ -559,6 +559,7 @@ OBJ = \
 	$(OUTDIR)\digraph.obj \
 	$(OUTDIR)\edit.obj \
 	$(OUTDIR)\eval.obj \
+	$(OUTDIR)\evalfunc.obj \
 	$(OUTDIR)\ex_cmds.obj \
 	$(OUTDIR)\ex_cmds2.obj \
 	$(OUTDIR)\ex_docmd.obj \
@@ -1175,6 +1176,8 @@ $(OUTDIR)/edit.obj:	$(OUTDIR) edit.c  $(INCL)
 
 $(OUTDIR)/eval.obj:	$(OUTDIR) eval.c  $(INCL)
 
+$(OUTDIR)/evalfunc.obj:	$(OUTDIR) evalfunc.c  $(INCL)
+
 $(OUTDIR)/ex_cmds.obj:	$(OUTDIR) ex_cmds.c  $(INCL)
 
 $(OUTDIR)/ex_cmds2.obj:	$(OUTDIR) ex_cmds2.c  $(INCL)
@@ -1372,6 +1375,7 @@ proto.h: \
 	proto/digraph.pro \
 	proto/edit.pro \
 	proto/eval.pro \
+	proto/evalfunc.pro \
 	proto/ex_cmds.pro \
 	proto/ex_cmds2.pro \
 	proto/ex_docmd.pro \
diff --git a/src/Make_sas.mak b/src/Make_sas.mak
index b466173c7..f29c4d35e 100644
--- a/src/Make_sas.mak
+++ b/src/Make_sas.mak
@@ -100,6 +100,7 @@ SRC = \
 	digraph.c \
 	edit.c \
 	eval.c \
+	evalfunc.c \
 	ex_cmds.c \
 	ex_cmds2.c \
 	ex_docmd.c \
@@ -155,6 +156,7 @@ OBJ = \
 	digraph.o \
 	edit.o \
 	eval.o \
+	evalfunc.o \
 	ex_cmds.o \
 	ex_cmds2.o \
 	ex_docmd.o \
@@ -210,6 +212,7 @@ PRO = \
 	proto/digraph.pro \
 	proto/edit.pro \
 	proto/eval.pro \
+	proto/evalfunc.pro \
 	proto/ex_cmds.pro \
 	proto/ex_cmds2.pro \
 	proto/ex_docmd.pro \
@@ -330,6 +333,8 @@ edit.o:			edit.c
 proto/edit.pro:		edit.c
 eval.o:			eval.c
 proto/eval.pro:		eval.c
+evalfunc.o:		evalfunc.c
+proto/evalfunc.pro:	evalfunc.c
 ex_cmds.o:		ex_cmds.c
 proto/ex_cmds.pro:	ex_cmds.c
 ex_cmds2.o:		ex_cmds2.c
diff --git a/src/Makefile b/src/Makefile
index 7ab4d328f..c888661eb 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1489,6 +1489,7 @@ BASIC_SRC = \
 	digraph.c \
 	edit.c \
 	eval.c \
+	evalfunc.c \
 	ex_cmds.c \
 	ex_cmds2.c \
 	ex_docmd.c \
@@ -1593,6 +1594,7 @@ OBJ_COMMON = \
 	objects/digraph.o \
 	objects/edit.o \
 	objects/eval.o \
+	objects/evalfunc.o \
 	objects/ex_cmds.o \
 	objects/ex_cmds2.o \
 	objects/ex_docmd.o \
@@ -1683,6 +1685,7 @@ PRO_AUTO = \
 	digraph.pro \
 	edit.pro \
 	eval.pro \
+	evalfunc.pro \
 	ex_cmds.pro \
 	ex_cmds2.pro \
 	ex_docmd.pro \
@@ -2830,6 +2833,9 @@ objects/edit.o: edit.c
 objects/eval.o: eval.c
 	$(CCC) -o $@ eval.c
 
+objects/evalfunc.o: evalfunc.c
+	$(CCC) -o $@ evalfunc.c
+
 objects/ex_cmds.o: ex_cmds.c
 	$(CCC) -o $@ ex_cmds.c
 
@@ -3220,6 +3226,10 @@ objects/eval.o: eval.c vim.h auto/config.h feature.h os_unix.h auto/osdef.h \
  ascii.h keymap.h term.h macros.h option.h structs.h regexp.h gui.h \
  gui_beval.h proto/gui_beval.pro alloc.h ex_cmds.h proto.h globals.h \
  farsi.h arabic.h version.h
+objects/evalfunc.o: evalfunc.c vim.h auto/config.h feature.h os_unix.h auto/osdef.h \
+ ascii.h keymap.h term.h macros.h option.h structs.h regexp.h gui.h \
+ gui_beval.h proto/gui_beval.pro alloc.h ex_cmds.h proto.h globals.h \
+ farsi.h arabic.h version.h
 objects/ex_cmds.o: ex_cmds.c vim.h auto/config.h feature.h os_unix.h auto/osdef.h \
  ascii.h keymap.h term.h macros.h option.h structs.h regexp.h gui.h \
  gui_beval.h proto/gui_beval.pro alloc.h ex_cmds.h proto.h globals.h \
diff --git a/src/eval.c b/src/eval.c
index f930e47b6..5821079a1 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -16,29 +16,15 @@
 
 #if defined(FEAT_EVAL) || defined(PROTO)
 
-#ifdef AMIGA
-# include <time.h>	/* for strftime() */
-#endif
-
 #ifdef VMS
 # include <float.h>
 #endif
 
-#ifdef MACOS
-# include <time.h>	/* for time_t */
-#endif
-
 #define DICT_MAXNEST 100	/* maximum nesting of lists and dicts */
 
 static char *e_letunexp	= N_("E18: Unexpected characters in :let");
 static char *e_undefvar = N_("E121: Undefined variable: %s");
 static char *e_missbrac = N_("E111: Missing ']'");
-static char *e_listarg = N_("E686: Argument of %s must be a List");
-static char *e_listdictarg = N_("E712: Argument of %s must be a List or Dictionary");
-static char *e_listreq = N_("E714: List required");
-#ifdef FEAT_QUICKFIX
-static char *e_stringreq = N_("E928: String required");
-#endif
 static char *e_dictrange = N_("E719: Cannot use [:] with a Dictionary");
 static char *e_letwrong = N_("E734: Wrong variable type for %s=");
 static char *e_illvar = N_("E461: Illegal variable name: %s");
@@ -101,7 +87,6 @@ typedef struct
  * The reason to use this table anyway is for very quick access to the
  * variables with the VV_ defines.
  */
-#include "version.h"
 
 /* values for vv_flags: */
 #define VV_COMPAT	1	/* compatible, also used without "v:" */
@@ -206,8 +191,6 @@ static struct vimvar
 static dictitem_T	vimvars_var;		/* variable used for v: */
 #define vimvarht  vimvardict.dv_hashtab
 
-static void prepare_vimvar(int idx, typval_T *save_tv);
-static void restore_vimvar(int idx, typval_T *save_tv);
 static int ex_let_vars(char_u *arg, typval_T *tv, int copy, int semicolon, int var_count, char_u *nextchars);
 static char_u *skip_var_list(char_u *arg, int *var_count, int *semicolon);
 static char_u *skip_var_one(char_u *arg);
@@ -221,14 +204,12 @@ static void list_vim_vars(int *first);
 static void list_script_vars(int *first);
 static char_u *list_arg_vars(exarg_T *eap, char_u *arg, int *first);
 static char_u *ex_let_one(char_u *arg, typval_T *tv, int copy, char_u *endchars, char_u *op);
-static int check_changedtick(char_u *arg);
 static void set_var_lval(lval_T *lp, char_u *endp, typval_T *rettv, int copy, char_u *op);
 static int tv_op(typval_T *tv1, typval_T *tv2, char_u  *op);
 static void ex_unletlock(exarg_T *eap, char_u *argstart, int deep);
 static int do_unlet_var(lval_T *lp, char_u *name_end, int forceit);
 static int do_lock_var(lval_T *lp, char_u *name_end, int deep, int lock);
 static void item_lock(typval_T *tv, int deep, int lock);
-static int tv_islocked(typval_T *tv);
 
 static int eval2(char_u **arg, typval_T *rettv, int evaluate);
 static int eval3(char_u **arg, typval_T *rettv, int evaluate);
@@ -238,445 +219,29 @@ static int eval6(char_u **arg, typval_T *rettv, int evaluate, int want_string);
 static int eval7(char_u **arg, typval_T *rettv, int evaluate, int want_string);
 
 static int eval_index(char_u **arg, typval_T *rettv, int evaluate, int verbose);
-static int get_option_tv(char_u **arg, typval_T *rettv, int evaluate);
 static int get_string_tv(char_u **arg, typval_T *rettv, int evaluate);
 static int get_lit_string_tv(char_u **arg, typval_T *rettv, int evaluate);
 static int free_unref_items(int copyID);
 static int get_env_tv(char_u **arg, typval_T *rettv, int evaluate);
-static int non_zero_arg(typval_T *argvars);
 
-#ifdef FEAT_FLOAT
-static void f_abs(typval_T *argvars, typval_T *rettv);
-static void f_acos(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_add(typval_T *argvars, typval_T *rettv);
-static void f_and(typval_T *argvars, typval_T *rettv);
-static void f_append(typval_T *argvars, typval_T *rettv);
-static void f_argc(typval_T *argvars, typval_T *rettv);
-static void f_argidx(typval_T *argvars, typval_T *rettv);
-static void f_arglistid(typval_T *argvars, typval_T *rettv);
-static void f_argv(typval_T *argvars, typval_T *rettv);
-static void f_assert_equal(typval_T *argvars, typval_T *rettv);
-static void f_assert_exception(typval_T *argvars, typval_T *rettv);
-static void f_assert_fails(typval_T *argvars, typval_T *rettv);
-static void f_assert_false(typval_T *argvars, typval_T *rettv);
-static void f_assert_match(typval_T *argvars, typval_T *rettv);
-static void f_assert_notequal(typval_T *argvars, typval_T *rettv);
-static void f_assert_notmatch(typval_T *argvars, typval_T *rettv);
-static void f_assert_true(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_asin(typval_T *argvars, typval_T *rettv);
-static void f_atan(typval_T *argvars, typval_T *rettv);
-static void f_atan2(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_browse(typval_T *argvars, typval_T *rettv);
-static void f_browsedir(typval_T *argvars, typval_T *rettv);
-static void f_bufexists(typval_T *argvars, typval_T *rettv);
-static void f_buflisted(typval_T *argvars, typval_T *rettv);
-static void f_bufloaded(typval_T *argvars, typval_T *rettv);
-static void f_bufname(typval_T *argvars, typval_T *rettv);
-static void f_bufnr(typval_T *argvars, typval_T *rettv);
-static void f_bufwinid(typval_T *argvars, typval_T *rettv);
-static void f_bufwinnr(typval_T *argvars, typval_T *rettv);
-static void f_byte2line(typval_T *argvars, typval_T *rettv);
-static void byteidx(typval_T *argvars, typval_T *rettv, int comp);
-static void f_byteidx(typval_T *argvars, typval_T *rettv);
-static void f_byteidxcomp(typval_T *argvars, typval_T *rettv);
-static void f_call(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_ceil(typval_T *argvars, typval_T *rettv);
-#endif
-#ifdef FEAT_JOB_CHANNEL
-static void f_ch_close(typval_T *argvars, typval_T *rettv);
-static void f_ch_evalexpr(typval_T *argvars, typval_T *rettv);
-static void f_ch_evalraw(typval_T *argvars, typval_T *rettv);
-static void f_ch_getbufnr(typval_T *argvars, typval_T *rettv);
-static void f_ch_getjob(typval_T *argvars, typval_T *rettv);
-static void f_ch_info(typval_T *argvars, typval_T *rettv);
-static void f_ch_log(typval_T *argvars, typval_T *rettv);
-static void f_ch_logfile(typval_T *argvars, typval_T *rettv);
-static void f_ch_open(typval_T *argvars, typval_T *rettv);
-static void f_ch_read(typval_T *argvars, typval_T *rettv);
-static void f_ch_readraw(typval_T *argvars, typval_T *rettv);
-static void f_ch_sendexpr(typval_T *argvars, typval_T *rettv);
-static void f_ch_sendraw(typval_T *argvars, typval_T *rettv);
-static void f_ch_setoptions(typval_T *argvars, typval_T *rettv);
-static void f_ch_status(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_changenr(typval_T *argvars, typval_T *rettv);
-static void f_char2nr(typval_T *argvars, typval_T *rettv);
-static void f_cindent(typval_T *argvars, typval_T *rettv);
-static void f_clearmatches(typval_T *argvars, typval_T *rettv);
-static void f_col(typval_T *argvars, typval_T *rettv);
-#if defined(FEAT_INS_EXPAND)
-static void f_complete(typval_T *argvars, typval_T *rettv);
-static void f_complete_add(typval_T *argvars, typval_T *rettv);
-static void f_complete_check(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_confirm(typval_T *argvars, typval_T *rettv);
-static void f_copy(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_cos(typval_T *argvars, typval_T *rettv);
-static void f_cosh(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_count(typval_T *argvars, typval_T *rettv);
-static void f_cscope_connection(typval_T *argvars, typval_T *rettv);
-static void f_cursor(typval_T *argsvars, typval_T *rettv);
-static void f_deepcopy(typval_T *argvars, typval_T *rettv);
-static void f_delete(typval_T *argvars, typval_T *rettv);
-static void f_did_filetype(typval_T *argvars, typval_T *rettv);
-static void f_diff_filler(typval_T *argvars, typval_T *rettv);
-static void f_diff_hlID(typval_T *argvars, typval_T *rettv);
-static void f_empty(typval_T *argvars, typval_T *rettv);
-static void f_escape(typval_T *argvars, typval_T *rettv);
-static void f_eval(typval_T *argvars, typval_T *rettv);
-static void f_eventhandler(typval_T *argvars, typval_T *rettv);
-static void f_executable(typval_T *argvars, typval_T *rettv);
-static void f_execute(typval_T *argvars, typval_T *rettv);
-static void f_exepath(typval_T *argvars, typval_T *rettv);
-static void f_exists(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_exp(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_expand(typval_T *argvars, typval_T *rettv);
-static void f_extend(typval_T *argvars, typval_T *rettv);
-static void f_feedkeys(typval_T *argvars, typval_T *rettv);
-static void f_filereadable(typval_T *argvars, typval_T *rettv);
-static void f_filewritable(typval_T *argvars, typval_T *rettv);
-static void f_filter(typval_T *argvars, typval_T *rettv);
-static void f_finddir(typval_T *argvars, typval_T *rettv);
-static void f_findfile(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_float2nr(typval_T *argvars, typval_T *rettv);
-static void f_floor(typval_T *argvars, typval_T *rettv);
-static void f_fmod(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_fnameescape(typval_T *argvars, typval_T *rettv);
-static void f_fnamemodify(typval_T *argvars, typval_T *rettv);
-static void f_foldclosed(typval_T *argvars, typval_T *rettv);
-static void f_foldclosedend(typval_T *argvars, typval_T *rettv);
-static void f_foldlevel(typval_T *argvars, typval_T *rettv);
-static void f_foldtext(typval_T *argvars, typval_T *rettv);
-static void f_foldtextresult(typval_T *argvars, typval_T *rettv);
-static void f_foreground(typval_T *argvars, typval_T *rettv);
-static void f_function(typval_T *argvars, typval_T *rettv);
-static void f_garbagecollect(typval_T *argvars, typval_T *rettv);
-static void f_get(typval_T *argvars, typval_T *rettv);
-static void f_getbufline(typval_T *argvars, typval_T *rettv);
-static void f_getbufvar(typval_T *argvars, typval_T *rettv);
-static void f_getchar(typval_T *argvars, typval_T *rettv);
-static void f_getcharmod(typval_T *argvars, typval_T *rettv);
-static void f_getcharsearch(typval_T *argvars, typval_T *rettv);
-static void f_getcmdline(typval_T *argvars, typval_T *rettv);
-#if defined(FEAT_CMDL_COMPL)
-static void f_getcompletion(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_getcmdpos(typval_T *argvars, typval_T *rettv);
-static void f_getcmdtype(typval_T *argvars, typval_T *rettv);
-static void f_getcmdwintype(typval_T *argvars, typval_T *rettv);
-static void f_getcwd(typval_T *argvars, typval_T *rettv);
-static void f_getfontname(typval_T *argvars, typval_T *rettv);
-static void f_getfperm(typval_T *argvars, typval_T *rettv);
-static void f_getfsize(typval_T *argvars, typval_T *rettv);
-static void f_getftime(typval_T *argvars, typval_T *rettv);
-static void f_getftype(typval_T *argvars, typval_T *rettv);
-static void f_getline(typval_T *argvars, typval_T *rettv);
-static void f_getmatches(typval_T *argvars, typval_T *rettv);
-static void f_getpid(typval_T *argvars, typval_T *rettv);
-static void f_getcurpos(typval_T *argvars, typval_T *rettv);
-static void f_getpos(typval_T *argvars, typval_T *rettv);
-static void f_getqflist(typval_T *argvars, typval_T *rettv);
-static void f_getreg(typval_T *argvars, typval_T *rettv);
-static void f_getregtype(typval_T *argvars, typval_T *rettv);
-static void f_gettabvar(typval_T *argvars, typval_T *rettv);
-static void f_gettabwinvar(typval_T *argvars, typval_T *rettv);
-static void f_getwinposx(typval_T *argvars, typval_T *rettv);
-static void f_getwinposy(typval_T *argvars, typval_T *rettv);
-static void f_getwinvar(typval_T *argvars, typval_T *rettv);
-static void f_glob(typval_T *argvars, typval_T *rettv);
-static void f_globpath(typval_T *argvars, typval_T *rettv);
-static void f_glob2regpat(typval_T *argvars, typval_T *rettv);
-static void f_has(typval_T *argvars, typval_T *rettv);
-static void f_has_key(typval_T *argvars, typval_T *rettv);
-static void f_haslocaldir(typval_T *argvars, typval_T *rettv);
-static void f_hasmapto(typval_T *argvars, typval_T *rettv);
-static void f_histadd(typval_T *argvars, typval_T *rettv);
-static void f_histdel(typval_T *argvars, typval_T *rettv);
-static void f_histget(typval_T *argvars, typval_T *rettv);
-static void f_histnr(typval_T *argvars, typval_T *rettv);
-static void f_hlID(typval_T *argvars, typval_T *rettv);
-static void f_hlexists(typval_T *argvars, typval_T *rettv);
-static void f_hostname(typval_T *argvars, typval_T *rettv);
-static void f_iconv(typval_T *argvars, typval_T *rettv);
-static void f_indent(typval_T *argvars, typval_T *rettv);
-static void f_index(typval_T *argvars, typval_T *rettv);
-static void f_input(typval_T *argvars, typval_T *rettv);
-static void f_inputdialog(typval_T *argvars, typval_T *rettv);
-static void f_inputlist(typval_T *argvars, typval_T *rettv);
-static void f_inputrestore(typval_T *argvars, typval_T *rettv);
-static void f_inputsave(typval_T *argvars, typval_T *rettv);
-static void f_inputsecret(typval_T *argvars, typval_T *rettv);
-static void f_insert(typval_T *argvars, typval_T *rettv);
-static void f_invert(typval_T *argvars, typval_T *rettv);
-static void f_isdirectory(typval_T *argvars, typval_T *rettv);
-static void f_islocked(typval_T *argvars, typval_T *rettv);
-#if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
-static void f_isnan(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_items(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_JOB_CHANNEL
-static void f_job_getchannel(typval_T *argvars, typval_T *rettv);
-static void f_job_info(typval_T *argvars, typval_T *rettv);
-static void f_job_setoptions(typval_T *argvars, typval_T *rettv);
-static void f_job_start(typval_T *argvars, typval_T *rettv);
-static void f_job_stop(typval_T *argvars, typval_T *rettv);
-static void f_job_status(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_join(typval_T *argvars, typval_T *rettv);
-static void f_js_decode(typval_T *argvars, typval_T *rettv);
-static void f_js_encode(typval_T *argvars, typval_T *rettv);
-static void f_json_decode(typval_T *argvars, typval_T *rettv);
-static void f_json_encode(typval_T *argvars, typval_T *rettv);
-static void f_keys(typval_T *argvars, typval_T *rettv);
-static void f_last_buffer_nr(typval_T *argvars, typval_T *rettv);
-static void f_len(typval_T *argvars, typval_T *rettv);
-static void f_libcall(typval_T *argvars, typval_T *rettv);
-static void f_libcallnr(typval_T *argvars, typval_T *rettv);
-static void f_line(typval_T *argvars, typval_T *rettv);
-static void f_line2byte(typval_T *argvars, typval_T *rettv);
-static void f_lispindent(typval_T *argvars, typval_T *rettv);
-static void f_localtime(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_log(typval_T *argvars, typval_T *rettv);
-static void f_log10(typval_T *argvars, typval_T *rettv);
-#endif
-#ifdef FEAT_LUA
-static void f_luaeval(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_map(typval_T *argvars, typval_T *rettv);
-static void f_maparg(typval_T *argvars, typval_T *rettv);
-static void f_mapcheck(typval_T *argvars, typval_T *rettv);
-static void f_match(typval_T *argvars, typval_T *rettv);
-static void f_matchadd(typval_T *argvars, typval_T *rettv);
-static void f_matchaddpos(typval_T *argvars, typval_T *rettv);
-static void f_matcharg(typval_T *argvars, typval_T *rettv);
-static void f_matchdelete(typval_T *argvars, typval_T *rettv);
-static void f_matchend(typval_T *argvars, typval_T *rettv);
-static void f_matchlist(typval_T *argvars, typval_T *rettv);
-static void f_matchstr(typval_T *argvars, typval_T *rettv);
-static void f_matchstrpos(typval_T *argvars, typval_T *rettv);
-static void f_max(typval_T *argvars, typval_T *rettv);
-static void f_min(typval_T *argvars, typval_T *rettv);
-#ifdef vim_mkdir
-static void f_mkdir(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_mode(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_MZSCHEME
-static void f_mzeval(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_nextnonblank(typval_T *argvars, typval_T *rettv);
-static void f_nr2char(typval_T *argvars, typval_T *rettv);
-static void f_or(typval_T *argvars, typval_T *rettv);
-static void f_pathshorten(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_PERL
-static void f_perleval(typval_T *argvars, typval_T *rettv);
-#endif
-#ifdef FEAT_FLOAT
-static void f_pow(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_prevnonblank(typval_T *argvars, typval_T *rettv);
-static void f_printf(typval_T *argvars, typval_T *rettv);
-static void f_pumvisible(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_PYTHON3
-static void f_py3eval(typval_T *argvars, typval_T *rettv);
-#endif
-#ifdef FEAT_PYTHON
-static void f_pyeval(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_range(typval_T *argvars, typval_T *rettv);
-static void f_readfile(typval_T *argvars, typval_T *rettv);
-static void f_reltime(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_reltimefloat(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_reltimestr(typval_T *argvars, typval_T *rettv);
-static void f_remote_expr(typval_T *argvars, typval_T *rettv);
-static void f_remote_foreground(typval_T *argvars, typval_T *rettv);
-static void f_remote_peek(typval_T *argvars, typval_T *rettv);
-static void f_remote_read(typval_T *argvars, typval_T *rettv);
-static void f_remote_send(typval_T *argvars, typval_T *rettv);
-static void f_remove(typval_T *argvars, typval_T *rettv);
-static void f_rename(typval_T *argvars, typval_T *rettv);
-static void f_repeat(typval_T *argvars, typval_T *rettv);
-static void f_resolve(typval_T *argvars, typval_T *rettv);
-static void f_reverse(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_round(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_screenattr(typval_T *argvars, typval_T *rettv);
-static void f_screenchar(typval_T *argvars, typval_T *rettv);
-static void f_screencol(typval_T *argvars, typval_T *rettv);
-static void f_screenrow(typval_T *argvars, typval_T *rettv);
-static void f_search(typval_T *argvars, typval_T *rettv);
-static void f_searchdecl(typval_T *argvars, typval_T *rettv);
-static void f_searchpair(typval_T *argvars, typval_T *rettv);
-static void f_searchpairpos(typval_T *argvars, typval_T *rettv);
-static void f_searchpos(typval_T *argvars, typval_T *rettv);
-static void f_server2client(typval_T *argvars, typval_T *rettv);
-static void f_serverlist(typval_T *argvars, typval_T *rettv);
-static void f_setbufvar(typval_T *argvars, typval_T *rettv);
-static void f_setcharsearch(typval_T *argvars, typval_T *rettv);
-static void f_setcmdpos(typval_T *argvars, typval_T *rettv);
-static void f_setfperm(typval_T *argvars, typval_T *rettv);
-static void f_setline(typval_T *argvars, typval_T *rettv);
-static void f_setloclist(typval_T *argvars, typval_T *rettv);
-static void f_setmatches(typval_T *argvars, typval_T *rettv);
-static void f_setpos(typval_T *argvars, typval_T *rettv);
-static void f_setqflist(typval_T *argvars, typval_T *rettv);
-static void f_setreg(typval_T *argvars, typval_T *rettv);
-static void f_settabvar(typval_T *argvars, typval_T *rettv);
-static void f_settabwinvar(typval_T *argvars, typval_T *rettv);
-static void f_setwinvar(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_CRYPT
-static void f_sha256(typval_T *argvars, typval_T *rettv);
-#endif /* FEAT_CRYPT */
-static void f_shellescape(typval_T *argvars, typval_T *rettv);
-static void f_shiftwidth(typval_T *argvars, typval_T *rettv);
-static void f_simplify(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_sin(typval_T *argvars, typval_T *rettv);
-static void f_sinh(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_sort(typval_T *argvars, typval_T *rettv);
-static void f_soundfold(typval_T *argvars, typval_T *rettv);
-static void f_spellbadword(typval_T *argvars, typval_T *rettv);
-static void f_spellsuggest(typval_T *argvars, typval_T *rettv);
-static void f_split(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_sqrt(typval_T *argvars, typval_T *rettv);
-static void f_str2float(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_str2nr(typval_T *argvars, typval_T *rettv);
-static void f_strchars(typval_T *argvars, typval_T *rettv);
-#ifdef HAVE_STRFTIME
-static void f_strftime(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_strgetchar(typval_T *argvars, typval_T *rettv);
-static void f_stridx(typval_T *argvars, typval_T *rettv);
-static void f_string(typval_T *argvars, typval_T *rettv);
-static void f_strlen(typval_T *argvars, typval_T *rettv);
-static void f_strcharpart(typval_T *argvars, typval_T *rettv);
-static void f_strpart(typval_T *argvars, typval_T *rettv);
-static void f_strridx(typval_T *argvars, typval_T *rettv);
-static void f_strtrans(typval_T *argvars, typval_T *rettv);
-static void f_strdisplaywidth(typval_T *argvars, typval_T *rettv);
-static void f_strwidth(typval_T *argvars, typval_T *rettv);
-static void f_submatch(typval_T *argvars, typval_T *rettv);
-static void f_substitute(typval_T *argvars, typval_T *rettv);
-static void f_synID(typval_T *argvars, typval_T *rettv);
-static void f_synIDattr(typval_T *argvars, typval_T *rettv);
-static void f_synIDtrans(typval_T *argvars, typval_T *rettv);
-static void f_synstack(typval_T *argvars, typval_T *rettv);
-static void f_synconcealed(typval_T *argvars, typval_T *rettv);
-static void f_system(typval_T *argvars, typval_T *rettv);
-static void f_systemlist(typval_T *argvars, typval_T *rettv);
-static void f_tabpagebuflist(typval_T *argvars, typval_T *rettv);
-static void f_tabpagenr(typval_T *argvars, typval_T *rettv);
-static void f_tabpagewinnr(typval_T *argvars, typval_T *rettv);
-static void f_taglist(typval_T *argvars, typval_T *rettv);
-static void f_tagfiles(typval_T *argvars, typval_T *rettv);
-static void f_tempname(typval_T *argvars, typval_T *rettv);
-static void f_test_alloc_fail(typval_T *argvars, typval_T *rettv);
-static void f_test_autochdir(typval_T *argvars, typval_T *rettv);
-static void f_test_disable_char_avail(typval_T *argvars, typval_T *rettv);
-static void f_test_garbagecollect_now(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_JOB_CHANNEL
-static void f_test_null_channel(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_test_null_dict(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_JOB_CHANNEL
-static void f_test_null_job(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_test_null_list(typval_T *argvars, typval_T *rettv);
-static void f_test_null_partial(typval_T *argvars, typval_T *rettv);
-static void f_test_null_string(typval_T *argvars, typval_T *rettv);
-static void f_test_settime(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_tan(typval_T *argvars, typval_T *rettv);
-static void f_tanh(typval_T *argvars, typval_T *rettv);
-#endif
-#ifdef FEAT_TIMERS
-static void f_timer_start(typval_T *argvars, typval_T *rettv);
-static void f_timer_stop(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_tolower(typval_T *argvars, typval_T *rettv);
-static void f_toupper(typval_T *argvars, typval_T *rettv);
-static void f_tr(typval_T *argvars, typval_T *rettv);
-#ifdef FEAT_FLOAT
-static void f_trunc(typval_T *argvars, typval_T *rettv);
-#endif
-static void f_type(typval_T *argvars, typval_T *rettv);
-static void f_undofile(typval_T *argvars, typval_T *rettv);
-static void f_undotree(typval_T *argvars, typval_T *rettv);
-static void f_uniq(typval_T *argvars, typval_T *rettv);
-static void f_values(typval_T *argvars, typval_T *rettv);
-static void f_virtcol(typval_T *argvars, typval_T *rettv);
-static void f_visualmode(typval_T *argvars, typval_T *rettv);
-static void f_wildmenumode(typval_T *argvars, typval_T *rettv);
-static void f_win_findbuf(typval_T *argvars, typval_T *rettv);
-static void f_win_getid(typval_T *argvars, typval_T *rettv);
-static void f_win_gotoid(typval_T *argvars, typval_T *rettv);
-static void f_win_id2tabwin(typval_T *argvars, typval_T *rettv);
-static void f_win_id2win(typval_T *argvars, typval_T *rettv);
-static void f_winbufnr(typval_T *argvars, typval_T *rettv);
-static void f_wincol(typval_T *argvars, typval_T *rettv);
-static void f_winheight(typval_T *argvars, typval_T *rettv);
-static void f_winline(typval_T *argvars, typval_T *rettv);
-static void f_winnr(typval_T *argvars, typval_T *rettv);
-static void f_winrestcmd(typval_T *argvars, typval_T *rettv);
-static void f_winrestview(typval_T *argvars, typval_T *rettv);
-static void f_winsaveview(typval_T *argvars, typval_T *rettv);
-static void f_winwidth(typval_T *argvars, typval_T *rettv);
-static void f_writefile(typval_T *argvars, typval_T *rettv);
-static void f_wordcount(typval_T *argvars, typval_T *rettv);
-static void f_xor(typval_T *argvars, typval_T *rettv);
-
-static int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp);
-static pos_T *var2fpos(typval_T *varp, int dollar_lnum, int *fnum);
+
 static int get_env_len(char_u **arg);
-static int get_name_len(char_u **arg, char_u **alias, int evaluate, int verbose);
 static char_u * make_expanded_name(char_u *in_start, char_u *expr_start, char_u *expr_end, char_u *in_end);
-static int get_var_tv(char_u *name, int len, typval_T *rettv, dictitem_T **dip, int verbose, int no_autoload);
 static typval_T *alloc_string_tv(char_u *string);
-static void init_tv(typval_T *varp);
-#ifdef FEAT_FLOAT
-static float_T get_tv_float(typval_T *varp);
-#endif
-static linenr_T get_tv_lnum(typval_T *argvars);
-static linenr_T get_tv_lnum_buf(typval_T *argvars, buf_T *buf);
-static dictitem_T *find_var_in_ht(hashtab_T *ht, int htname, char_u *varname, int no_autoload);
 static hashtab_T *find_var_ht(char_u *name, char_u **varname);
 static void delete_var(hashtab_T *ht, hashitem_T *hi);
 static void list_one_var(dictitem_T *v, char_u *prefix, int *first);
 static void list_one_var_a(char_u *prefix, char_u *name, int type, char_u *string, int *first);
-static void set_var(char_u *name, typval_T *varp, int copy);
-static int var_check_fixed(int flags, char_u *name, int use_gettext);
 static char_u *find_option_end(char_u **arg, int *opt_flags);
-static win_T *find_win_by_nr(typval_T *vp, tabpage_T *tp);
-static win_T *find_tabwin(typval_T *wvp, typval_T *tvp);
-static void getwinvar(typval_T *argvars, typval_T *rettv, int off);
-static int searchpair_cmn(typval_T *argvars, pos_T *match_pos);
-static int search_cmn(typval_T *argvars, pos_T *match_pos, int *flagsp);
-static void setwinvar(typval_T *argvars, typval_T *rettv, int off);
-static int write_list(FILE *fd, list_T *list, int binary);
-static void get_cmd_output_as_rettv(typval_T *argvars, typval_T *rettv, int retlist);
-
 
 #ifdef EBCDIC
 static int compare_func_name(const void *s1, const void *s2);
 static void sortFunctions();
 #endif
 
+/* for VIM_VERSION_ defines */
+#include "version.h"
+
 /*
  * Initialize the global and v: variables.
  */
@@ -2200,7 +1765,7 @@ ex_let_one(
 /*
  * If "arg" is equal to "b:changedtick" give an error and return TRUE.
  */
-    static int
+    int
 check_changedtick(char_u *arg)
 {
     if (STRNCMP(arg, "b:changedtick", 13) == 0 && !eval_isnamec(arg[13]))
@@ -3413,22 +2978,6 @@ item_lock(typval_T *tv, int deep, int lock)
     --recurse;
 }
 
-/*
- * Return TRUE if typeval "tv" is locked: Either that value is locked itself
- * or it refers to a List or Dictionary that is locked.
- */
-    static int
-tv_islocked(typval_T *tv)
-{
-    return (tv->v_lock & VAR_LOCKED)
-	|| (tv->v_type == VAR_LIST
-		&& tv->vval.v_list != NULL
-		&& (tv->vval.v_list->lv_lock & VAR_LOCKED))
-	|| (tv->v_type == VAR_DICT
-		&& tv->vval.v_dict != NULL
-		&& (tv->vval.v_dict->dv_lock & VAR_LOCKED));
-}
-
 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
 /*
  * Delete all "menutrans_" variables.
@@ -5159,7 +4708,7 @@ eval_index(
  * "arg" is advanced to character after the option name.
  * Return OK or FAIL.
  */
-    static int
+    int
 get_option_tv(
     char_u	**arg,
     typval_T	*rettv,	/* when NULL, only check if option exists */
@@ -6421,12882 +5970,13 @@ get_env_tv(char_u **arg, typval_T *rettv, int evaluate)
     return OK;
 }
 
-/*
- * Array with names and number of arguments of all internal functions
- * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
- */
-static struct fst
-{
-    char	*f_name;	/* function name */
-    char	f_min_argc;	/* minimal number of arguments */
-    char	f_max_argc;	/* maximal number of arguments */
-    void	(*f_func)(typval_T *args, typval_T *rvar);
-				/* implementation of function */
-} functions[] =
-{
-#ifdef FEAT_FLOAT
-    {"abs",		1, 1, f_abs},
-    {"acos",		1, 1, f_acos},	/* WJMc */
-#endif
-    {"add",		2, 2, f_add},
-    {"and",		2, 2, f_and},
-    {"append",		2, 2, f_append},
-    {"argc",		0, 0, f_argc},
-    {"argidx",		0, 0, f_argidx},
-    {"arglistid",	0, 2, f_arglistid},
-    {"argv",		0, 1, f_argv},
-#ifdef FEAT_FLOAT
-    {"asin",		1, 1, f_asin},	/* WJMc */
-#endif
-    {"assert_equal",	2, 3, f_assert_equal},
-    {"assert_exception", 1, 2, f_assert_exception},
-    {"assert_fails",	1, 2, f_assert_fails},
-    {"assert_false",	1, 2, f_assert_false},
-    {"assert_match",	2, 3, f_assert_match},
-    {"assert_notequal",	2, 3, f_assert_notequal},
-    {"assert_notmatch",	2, 3, f_assert_notmatch},
-    {"assert_true",	1, 2, f_assert_true},
-#ifdef FEAT_FLOAT
-    {"atan",		1, 1, f_atan},
-    {"atan2",		2, 2, f_atan2},
-#endif
-    {"browse",		4, 4, f_browse},
-    {"browsedir",	2, 2, f_browsedir},
-    {"bufexists",	1, 1, f_bufexists},
-    {"buffer_exists",	1, 1, f_bufexists},	/* obsolete */
-    {"buffer_name",	1, 1, f_bufname},	/* obsolete */
-    {"buffer_number",	1, 1, f_bufnr},		/* obsolete */
-    {"buflisted",	1, 1, f_buflisted},
-    {"bufloaded",	1, 1, f_bufloaded},
-    {"bufname",		1, 1, f_bufname},
-    {"bufnr",		1, 2, f_bufnr},
-    {"bufwinid",	1, 1, f_bufwinid},
-    {"bufwinnr",	1, 1, f_bufwinnr},
-    {"byte2line",	1, 1, f_byte2line},
-    {"byteidx",		2, 2, f_byteidx},
-    {"byteidxcomp",	2, 2, f_byteidxcomp},
-    {"call",		2, 3, f_call},
-#ifdef FEAT_FLOAT
-    {"ceil",		1, 1, f_ceil},
-#endif
-#ifdef FEAT_JOB_CHANNEL
-    {"ch_close",	1, 1, f_ch_close},
-    {"ch_evalexpr",	2, 3, f_ch_evalexpr},
-    {"ch_evalraw",	2, 3, f_ch_evalraw},
-    {"ch_getbufnr",	2, 2, f_ch_getbufnr},
-    {"ch_getjob",	1, 1, f_ch_getjob},
-    {"ch_info",		1, 1, f_ch_info},
-    {"ch_log",		1, 2, f_ch_log},
-    {"ch_logfile",	1, 2, f_ch_logfile},
-    {"ch_open",		1, 2, f_ch_open},
-    {"ch_read",		1, 2, f_ch_read},
-    {"ch_readraw",	1, 2, f_ch_readraw},
-    {"ch_sendexpr",	2, 3, f_ch_sendexpr},
-    {"ch_sendraw",	2, 3, f_ch_sendraw},
-    {"ch_setoptions",	2, 2, f_ch_setoptions},
-    {"ch_status",	1, 1, f_ch_status},
-#endif
-    {"changenr",	0, 0, f_changenr},
-    {"char2nr",		1, 2, f_char2nr},
-    {"cindent",		1, 1, f_cindent},
-    {"clearmatches",	0, 0, f_clearmatches},
-    {"col",		1, 1, f_col},
-#if defined(FEAT_INS_EXPAND)
-    {"complete",	2, 2, f_complete},
-    {"complete_add",	1, 1, f_complete_add},
-    {"complete_check",	0, 0, f_complete_check},
-#endif
-    {"confirm",		1, 4, f_confirm},
-    {"copy",		1, 1, f_copy},
-#ifdef FEAT_FLOAT
-    {"cos",		1, 1, f_cos},
-    {"cosh",		1, 1, f_cosh},
-#endif
-    {"count",		2, 4, f_count},
-    {"cscope_connection",0,3, f_cscope_connection},
-    {"cursor",		1, 3, f_cursor},
-    {"deepcopy",	1, 2, f_deepcopy},
-    {"delete",		1, 2, f_delete},
-    {"did_filetype",	0, 0, f_did_filetype},
-    {"diff_filler",	1, 1, f_diff_filler},
-    {"diff_hlID",	2, 2, f_diff_hlID},
-    {"empty",		1, 1, f_empty},
-    {"escape",		2, 2, f_escape},
-    {"eval",		1, 1, f_eval},
-    {"eventhandler",	0, 0, f_eventhandler},
-    {"executable",	1, 1, f_executable},
-    {"execute",		1, 2, f_execute},
-    {"exepath",		1, 1, f_exepath},
-    {"exists",		1, 1, f_exists},
-#ifdef FEAT_FLOAT
-    {"exp",		1, 1, f_exp},
-#endif
-    {"expand",		1, 3, f_expand},
-    {"extend",		2, 3, f_extend},
-    {"feedkeys",	1, 2, f_feedkeys},
-    {"file_readable",	1, 1, f_filereadable},	/* obsolete */
-    {"filereadable",	1, 1, f_filereadable},
-    {"filewritable",	1, 1, f_filewritable},
-    {"filter",		2, 2, f_filter},
-    {"finddir",		1, 3, f_finddir},
-    {"findfile",	1, 3, f_findfile},
-#ifdef FEAT_FLOAT
-    {"float2nr",	1, 1, f_float2nr},
-    {"floor",		1, 1, f_floor},
-    {"fmod",		2, 2, f_fmod},
-#endif
-    {"fnameescape",	1, 1, f_fnameescape},
-    {"fnamemodify",	2, 2, f_fnamemodify},
-    {"foldclosed",	1, 1, f_foldclosed},
-    {"foldclosedend",	1, 1, f_foldclosedend},
-    {"foldlevel",	1, 1, f_foldlevel},
-    {"foldtext",	0, 0, f_foldtext},
-    {"foldtextresult",	1, 1, f_foldtextresult},
-    {"foreground",	0, 0, f_foreground},
-    {"function",	1, 3, f_function},
-    {"garbagecollect",	0, 1, f_garbagecollect},
-    {"get",		2, 3, f_get},
-    {"getbufline",	2, 3, f_getbufline},
-    {"getbufvar",	2, 3, f_getbufvar},
-    {"getchar",		0, 1, f_getchar},
-    {"getcharmod",	0, 0, f_getcharmod},
-    {"getcharsearch",	0, 0, f_getcharsearch},
-    {"getcmdline",	0, 0, f_getcmdline},
-    {"getcmdpos",	0, 0, f_getcmdpos},
-    {"getcmdtype",	0, 0, f_getcmdtype},
-    {"getcmdwintype",	0, 0, f_getcmdwintype},
-#if defined(FEAT_CMDL_COMPL)
-    {"getcompletion",	2, 2, f_getcompletion},
-#endif
-    {"getcurpos",	0, 0, f_getcurpos},
-    {"getcwd",		0, 2, f_getcwd},
-    {"getfontname",	0, 1, f_getfontname},
-    {"getfperm",	1, 1, f_getfperm},
-    {"getfsize",	1, 1, f_getfsize},
-    {"getftime",	1, 1, f_getftime},
-    {"getftype",	1, 1, f_getftype},
-    {"getline",		1, 2, f_getline},
-    {"getloclist",	1, 1, f_getqflist},
-    {"getmatches",	0, 0, f_getmatches},
-    {"getpid",		0, 0, f_getpid},
-    {"getpos",		1, 1, f_getpos},
-    {"getqflist",	0, 0, f_getqflist},
-    {"getreg",		0, 3, f_getreg},
-    {"getregtype",	0, 1, f_getregtype},
-    {"gettabvar",	2, 3, f_gettabvar},
-    {"gettabwinvar",	3, 4, f_gettabwinvar},
-    {"getwinposx",	0, 0, f_getwinposx},
-    {"getwinposy",	0, 0, f_getwinposy},
-    {"getwinvar",	2, 3, f_getwinvar},
-    {"glob",		1, 4, f_glob},
-    {"glob2regpat",	1, 1, f_glob2regpat},
-    {"globpath",	2, 5, f_globpath},
-    {"has",		1, 1, f_has},
-    {"has_key",		2, 2, f_has_key},
-    {"haslocaldir",	0, 2, f_haslocaldir},
-    {"hasmapto",	1, 3, f_hasmapto},
-    {"highlightID",	1, 1, f_hlID},		/* obsolete */
-    {"highlight_exists",1, 1, f_hlexists},	/* obsolete */
-    {"histadd",		2, 2, f_histadd},
-    {"histdel",		1, 2, f_histdel},
-    {"histget",		1, 2, f_histget},
-    {"histnr",		1, 1, f_histnr},
-    {"hlID",		1, 1, f_hlID},
-    {"hlexists",	1, 1, f_hlexists},
-    {"hostname",	0, 0, f_hostname},
-    {"iconv",		3, 3, f_iconv},
-    {"indent",		1, 1, f_indent},
-    {"index",		2, 4, f_index},
-    {"input",		1, 3, f_input},
-    {"inputdialog",	1, 3, f_inputdialog},
-    {"inputlist",	1, 1, f_inputlist},
-    {"inputrestore",	0, 0, f_inputrestore},
-    {"inputsave",	0, 0, f_inputsave},
-    {"inputsecret",	1, 2, f_inputsecret},
-    {"insert",		2, 3, f_insert},
-    {"invert",		1, 1, f_invert},
-    {"isdirectory",	1, 1, f_isdirectory},
-    {"islocked",	1, 1, f_islocked},
-#if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
-    {"isnan",		1, 1, f_isnan},
-#endif
-    {"items",		1, 1, f_items},
-#ifdef FEAT_JOB_CHANNEL
-    {"job_getchannel",	1, 1, f_job_getchannel},
-    {"job_info",	1, 1, f_job_info},
-    {"job_setoptions",	2, 2, f_job_setoptions},
-    {"job_start",	1, 2, f_job_start},
-    {"job_status",	1, 1, f_job_status},
-    {"job_stop",	1, 2, f_job_stop},
-#endif
-    {"join",		1, 2, f_join},
-    {"js_decode",	1, 1, f_js_decode},
-    {"js_encode",	1, 1, f_js_encode},
-    {"json_decode",	1, 1, f_json_decode},
-    {"json_encode",	1, 1, f_json_encode},
-    {"keys",		1, 1, f_keys},
-    {"last_buffer_nr",	0, 0, f_last_buffer_nr},/* obsolete */
-    {"len",		1, 1, f_len},
-    {"libcall",		3, 3, f_libcall},
-    {"libcallnr",	3, 3, f_libcallnr},
-    {"line",		1, 1, f_line},
-    {"line2byte",	1, 1, f_line2byte},
-    {"lispindent",	1, 1, f_lispindent},
-    {"localtime",	0, 0, f_localtime},
-#ifdef FEAT_FLOAT
-    {"log",		1, 1, f_log},
-    {"log10",		1, 1, f_log10},
-#endif
-#ifdef FEAT_LUA
-    {"luaeval",		1, 2, f_luaeval},
-#endif
-    {"map",		2, 2, f_map},
-    {"maparg",		1, 4, f_maparg},
-    {"mapcheck",	1, 3, f_mapcheck},
-    {"match",		2, 4, f_match},
-    {"matchadd",	2, 5, f_matchadd},
-    {"matchaddpos",	2, 5, f_matchaddpos},
-    {"matcharg",	1, 1, f_matcharg},
-    {"matchdelete",	1, 1, f_matchdelete},
-    {"matchend",	2, 4, f_matchend},
-    {"matchlist",	2, 4, f_matchlist},
-    {"matchstr",	2, 4, f_matchstr},
-    {"matchstrpos",	2, 4, f_matchstrpos},
-    {"max",		1, 1, f_max},
-    {"min",		1, 1, f_min},
-#ifdef vim_mkdir
-    {"mkdir",		1, 3, f_mkdir},
-#endif
-    {"mode",		0, 1, f_mode},
-#ifdef FEAT_MZSCHEME
-    {"mzeval",		1, 1, f_mzeval},
-#endif
-    {"nextnonblank",	1, 1, f_nextnonblank},
-    {"nr2char",		1, 2, f_nr2char},
-    {"or",		2, 2, f_or},
-    {"pathshorten",	1, 1, f_pathshorten},
-#ifdef FEAT_PERL
-    {"perleval",	1, 1, f_perleval},
-#endif
-#ifdef FEAT_FLOAT
-    {"pow",		2, 2, f_pow},
-#endif
-    {"prevnonblank",	1, 1, f_prevnonblank},
-    {"printf",		2, 19, f_printf},
-    {"pumvisible",	0, 0, f_pumvisible},
-#ifdef FEAT_PYTHON3
-    {"py3eval",		1, 1, f_py3eval},
-#endif
-#ifdef FEAT_PYTHON
-    {"pyeval",		1, 1, f_pyeval},
-#endif
-    {"range",		1, 3, f_range},
-    {"readfile",	1, 3, f_readfile},
-    {"reltime",		0, 2, f_reltime},
-#ifdef FEAT_FLOAT
-    {"reltimefloat",	1, 1, f_reltimefloat},
-#endif
-    {"reltimestr",	1, 1, f_reltimestr},
-    {"remote_expr",	2, 3, f_remote_expr},
-    {"remote_foreground", 1, 1, f_remote_foreground},
-    {"remote_peek",	1, 2, f_remote_peek},
-    {"remote_read",	1, 1, f_remote_read},
-    {"remote_send",	2, 3, f_remote_send},
-    {"remove",		2, 3, f_remove},
-    {"rename",		2, 2, f_rename},
-    {"repeat",		2, 2, f_repeat},
-    {"resolve",		1, 1, f_resolve},
-    {"reverse",		1, 1, f_reverse},
-#ifdef FEAT_FLOAT
-    {"round",		1, 1, f_round},
-#endif
-    {"screenattr",	2, 2, f_screenattr},
-    {"screenchar",	2, 2, f_screenchar},
-    {"screencol",	0, 0, f_screencol},
-    {"screenrow",	0, 0, f_screenrow},
-    {"search",		1, 4, f_search},
-    {"searchdecl",	1, 3, f_searchdecl},
-    {"searchpair",	3, 7, f_searchpair},
-    {"searchpairpos",	3, 7, f_searchpairpos},
-    {"searchpos",	1, 4, f_searchpos},
-    {"server2client",	2, 2, f_server2client},
-    {"serverlist",	0, 0, f_serverlist},
-    {"setbufvar",	3, 3, f_setbufvar},
-    {"setcharsearch",	1, 1, f_setcharsearch},
-    {"setcmdpos",	1, 1, f_setcmdpos},
-    {"setfperm",	2, 2, f_setfperm},
-    {"setline",		2, 2, f_setline},
-    {"setloclist",	2, 3, f_setloclist},
-    {"setmatches",	1, 1, f_setmatches},
-    {"setpos",		2, 2, f_setpos},
-    {"setqflist",	1, 2, f_setqflist},
-    {"setreg",		2, 3, f_setreg},
-    {"settabvar",	3, 3, f_settabvar},
-    {"settabwinvar",	4, 4, f_settabwinvar},
-    {"setwinvar",	3, 3, f_setwinvar},
-#ifdef FEAT_CRYPT
-    {"sha256",		1, 1, f_sha256},
-#endif
-    {"shellescape",	1, 2, f_shellescape},
-    {"shiftwidth",	0, 0, f_shiftwidth},
-    {"simplify",	1, 1, f_simplify},
-#ifdef FEAT_FLOAT
-    {"sin",		1, 1, f_sin},
-    {"sinh",		1, 1, f_sinh},
-#endif
-    {"sort",		1, 3, f_sort},
-    {"soundfold",	1, 1, f_soundfold},
-    {"spellbadword",	0, 1, f_spellbadword},
-    {"spellsuggest",	1, 3, f_spellsuggest},
-    {"split",		1, 3, f_split},
-#ifdef FEAT_FLOAT
-    {"sqrt",		1, 1, f_sqrt},
-    {"str2float",	1, 1, f_str2float},
-#endif
-    {"str2nr",		1, 2, f_str2nr},
-    {"strcharpart",	2, 3, f_strcharpart},
-    {"strchars",	1, 2, f_strchars},
-    {"strdisplaywidth",	1, 2, f_strdisplaywidth},
-#ifdef HAVE_STRFTIME
-    {"strftime",	1, 2, f_strftime},
-#endif
-    {"strgetchar",	2, 2, f_strgetchar},
-    {"stridx",		2, 3, f_stridx},
-    {"string",		1, 1, f_string},
-    {"strlen",		1, 1, f_strlen},
-    {"strpart",		2, 3, f_strpart},
-    {"strridx",		2, 3, f_strridx},
-    {"strtrans",	1, 1, f_strtrans},
-    {"strwidth",	1, 1, f_strwidth},
-    {"submatch",	1, 2, f_submatch},
-    {"substitute",	4, 4, f_substitute},
-    {"synID",		3, 3, f_synID},
-    {"synIDattr",	2, 3, f_synIDattr},
-    {"synIDtrans",	1, 1, f_synIDtrans},
-    {"synconcealed",	2, 2, f_synconcealed},
-    {"synstack",	2, 2, f_synstack},
-    {"system",		1, 2, f_system},
-    {"systemlist",	1, 2, f_systemlist},
-    {"tabpagebuflist",	0, 1, f_tabpagebuflist},
-    {"tabpagenr",	0, 1, f_tabpagenr},
-    {"tabpagewinnr",	1, 2, f_tabpagewinnr},
-    {"tagfiles",	0, 0, f_tagfiles},
-    {"taglist",		1, 1, f_taglist},
-#ifdef FEAT_FLOAT
-    {"tan",		1, 1, f_tan},
-    {"tanh",		1, 1, f_tanh},
-#endif
-    {"tempname",	0, 0, f_tempname},
-    {"test_alloc_fail",	3, 3, f_test_alloc_fail},
-    {"test_autochdir",	0, 0, f_test_autochdir},
-    {"test_disable_char_avail", 1, 1, f_test_disable_char_avail},
-    {"test_garbagecollect_now",	0, 0, f_test_garbagecollect_now},
-#ifdef FEAT_JOB_CHANNEL
-    {"test_null_channel", 0, 0, f_test_null_channel},
-#endif
-    {"test_null_dict",	0, 0, f_test_null_dict},
-#ifdef FEAT_JOB_CHANNEL
-    {"test_null_job",	0, 0, f_test_null_job},
-#endif
-    {"test_null_list",	0, 0, f_test_null_list},
-    {"test_null_partial", 0, 0, f_test_null_partial},
-    {"test_null_string", 0, 0, f_test_null_string},
-    {"test_settime",	1, 1, f_test_settime},
-#ifdef FEAT_TIMERS
-    {"timer_start",	2, 3, f_timer_start},
-    {"timer_stop",	1, 1, f_timer_stop},
-#endif
-    {"tolower",		1, 1, f_tolower},
-    {"toupper",		1, 1, f_toupper},
-    {"tr",		3, 3, f_tr},
-#ifdef FEAT_FLOAT
-    {"trunc",		1, 1, f_trunc},
-#endif
-    {"type",		1, 1, f_type},
-    {"undofile",	1, 1, f_undofile},
-    {"undotree",	0, 0, f_undotree},
-    {"uniq",		1, 3, f_uniq},
-    {"values",		1, 1, f_values},
-    {"virtcol",		1, 1, f_virtcol},
-    {"visualmode",	0, 1, f_visualmode},
-    {"wildmenumode",	0, 0, f_wildmenumode},
-    {"win_findbuf",	1, 1, f_win_findbuf},
-    {"win_getid",	0, 2, f_win_getid},
-    {"win_gotoid",	1, 1, f_win_gotoid},
-    {"win_id2tabwin",	1, 1, f_win_id2tabwin},
-    {"win_id2win",	1, 1, f_win_id2win},
-    {"winbufnr",	1, 1, f_winbufnr},
-    {"wincol",		0, 0, f_wincol},
-    {"winheight",	1, 1, f_winheight},
-    {"winline",		0, 0, f_winline},
-    {"winnr",		0, 1, f_winnr},
-    {"winrestcmd",	0, 0, f_winrestcmd},
-    {"winrestview",	1, 1, f_winrestview},
-    {"winsaveview",	0, 0, f_winsaveview},
-    {"winwidth",	1, 1, f_winwidth},
-    {"wordcount",	0, 0, f_wordcount},
-    {"writefile",	2, 3, f_writefile},
-    {"xor",		2, 2, f_xor},
-};
-
-#if defined(FEAT_CMDL_COMPL) || defined(PROTO)
-
-/*
- * Function given to ExpandGeneric() to obtain the list of internal
- * or user defined function names.
- */
-    char_u *
-get_function_name(expand_T *xp, int idx)
-{
-    static int	intidx = -1;
-    char_u	*name;
-
-    if (idx == 0)
-	intidx = -1;
-    if (intidx < 0)
-    {
-	name = get_user_func_name(xp, idx);
-	if (name != NULL)
-	    return name;
-    }
-    if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
-    {
-	STRCPY(IObuff, functions[intidx].f_name);
-	STRCAT(IObuff, "(");
-	if (functions[intidx].f_max_argc == 0)
-	    STRCAT(IObuff, ")");
-	return IObuff;
-    }
-
-    return NULL;
-}
-
-/*
- * Function given to ExpandGeneric() to obtain the list of internal or
- * user defined variable or function names.
- */
-    char_u *
-get_expr_name(expand_T *xp, int idx)
-{
-    static int	intidx = -1;
-    char_u	*name;
-
-    if (idx == 0)
-	intidx = -1;
-    if (intidx < 0)
-    {
-	name = get_function_name(xp, idx);
-	if (name != NULL)
-	    return name;
-    }
-    return get_user_var_name(xp, ++intidx);
-}
-
-#endif /* FEAT_CMDL_COMPL */
-
-#if defined(EBCDIC) || defined(PROTO)
-/*
- * Compare struct fst by function name.
- */
-    static int
-compare_func_name(const void *s1, const void *s2)
-{
-    struct fst *p1 = (struct fst *)s1;
-    struct fst *p2 = (struct fst *)s2;
-
-    return STRCMP(p1->f_name, p2->f_name);
-}
-
-/*
- * Sort the function table by function name.
- * The sorting of the table above is ASCII dependant.
- * On machines using EBCDIC we have to sort it.
- */
-    static void
-sortFunctions(void)
-{
-    int		funcCnt = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
-
-    qsort(functions, (size_t)funcCnt, sizeof(struct fst), compare_func_name);
-}
-#endif
-
-
-/*
- * Find internal function in table above.
- * Return index, or -1 if not found
- */
-    int
-find_internal_func(
-    char_u	*name)		/* name of the function */
-{
-    int		first = 0;
-    int		last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
-    int		cmp;
-    int		x;
-
-    /*
-     * Find the function name in the table. Binary search.
-     */
-    while (first <= last)
-    {
-	x = first + ((unsigned)(last - first) >> 1);
-	cmp = STRCMP(name, functions[x].f_name);
-	if (cmp < 0)
-	    last = x - 1;
-	else if (cmp > 0)
-	    first = x + 1;
-	else
-	    return x;
-    }
-    return -1;
-}
-
-    int
-call_internal_func(
-	char_u	    *name,
-	int	    argcount,
-	typval_T    *argvars,
-	typval_T    *rettv)
-{
-    int i;
-
-    i = find_internal_func(name);
-    if (i < 0)
-	return ERROR_UNKNOWN;
-    if (argcount < functions[i].f_min_argc)
-	return ERROR_TOOFEW;
-    if (argcount > functions[i].f_max_argc)
-	return ERROR_TOOMANY;
-    argvars[argcount].v_type = VAR_UNKNOWN;
-    functions[i].f_func(argvars, rettv);
-    return ERROR_NONE;
-}
-
-/*
- * Return TRUE for a non-zero Number and a non-empty String.
- */
-    static int
-non_zero_arg(typval_T *argvars)
-{
-    return ((argvars[0].v_type == VAR_NUMBER
-		&& argvars[0].vval.v_number != 0)
-	    || (argvars[0].v_type == VAR_SPECIAL
-		&& argvars[0].vval.v_number == VVAL_TRUE)
-	    || (argvars[0].v_type == VAR_STRING
-		&& argvars[0].vval.v_string != NULL
-		&& *argvars[0].vval.v_string != NUL));
-}
-
-/*********************************************
- * Implementation of the built-in functions
- */
-
-#ifdef FEAT_FLOAT
-static int get_float_arg(typval_T *argvars, float_T *f);
-
-/*
- * Get the float value of "argvars[0]" into "f".
- * Returns FAIL when the argument is not a Number or Float.
- */
-    static int
-get_float_arg(typval_T *argvars, float_T *f)
-{
-    if (argvars[0].v_type == VAR_FLOAT)
-    {
-	*f = argvars[0].vval.v_float;
-	return OK;
-    }
-    if (argvars[0].v_type == VAR_NUMBER)
-    {
-	*f = (float_T)argvars[0].vval.v_number;
-	return OK;
-    }
-    EMSG(_("E808: Number or Float required"));
-    return FAIL;
-}
-
-/*
- * "abs(expr)" function
- */
-    static void
-f_abs(typval_T *argvars, typval_T *rettv)
-{
-    if (argvars[0].v_type == VAR_FLOAT)
-    {
-	rettv->v_type = VAR_FLOAT;
-	rettv->vval.v_float = fabs(argvars[0].vval.v_float);
-    }
-    else
-    {
-	varnumber_T	n;
-	int		error = FALSE;
-
-	n = get_tv_number_chk(&argvars[0], &error);
-	if (error)
-	    rettv->vval.v_number = -1;
-	else if (n > 0)
-	    rettv->vval.v_number = n;
-	else
-	    rettv->vval.v_number = -n;
-    }
-}
-
-/*
- * "acos()" function
- */
-    static void
-f_acos(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = acos(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "add(list, item)" function
- */
-    static void
-f_add(typval_T *argvars, typval_T *rettv)
-{
-    list_T	*l;
-
-    rettv->vval.v_number = 1; /* Default: Failed */
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	if ((l = argvars[0].vval.v_list) != NULL
-		&& !tv_check_lock(l->lv_lock,
-					 (char_u *)N_("add() argument"), TRUE)
-		&& list_append_tv(l, &argvars[1]) == OK)
-	    copy_tv(&argvars[0], rettv);
-    }
-    else
-	EMSG(_(e_listreq));
-}
-
-/*
- * "and(expr, expr)" function
- */
-    static void
-f_and(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
-					& get_tv_number_chk(&argvars[1], NULL);
-}
-
-/*
- * "append(lnum, string/list)" function
- */
-    static void
-f_append(typval_T *argvars, typval_T *rettv)
-{
-    long	lnum;
-    char_u	*line;
-    list_T	*l = NULL;
-    listitem_T	*li = NULL;
-    typval_T	*tv;
-    long	added = 0;
-
-    /* When coming here from Insert mode, sync undo, so that this can be
-     * undone separately from what was previously inserted. */
-    if (u_sync_once == 2)
-    {
-	u_sync_once = 1; /* notify that u_sync() was called */
-	u_sync(TRUE);
-    }
-
-    lnum = get_tv_lnum(argvars);
-    if (lnum >= 0
-	    && lnum <= curbuf->b_ml.ml_line_count
-	    && u_save(lnum, lnum + 1) == OK)
-    {
-	if (argvars[1].v_type == VAR_LIST)
-	{
-	    l = argvars[1].vval.v_list;
-	    if (l == NULL)
-		return;
-	    li = l->lv_first;
-	}
-	for (;;)
-	{
-	    if (l == NULL)
-		tv = &argvars[1];	/* append a string */
-	    else if (li == NULL)
-		break;			/* end of list */
-	    else
-		tv = &li->li_tv;	/* append item from list */
-	    line = get_tv_string_chk(tv);
-	    if (line == NULL)		/* type error */
-	    {
-		rettv->vval.v_number = 1;	/* Failed */
-		break;
-	    }
-	    ml_append(lnum + added, line, (colnr_T)0, FALSE);
-	    ++added;
-	    if (l == NULL)
-		break;
-	    li = li->li_next;
-	}
-
-	appended_lines_mark(lnum, added);
-	if (curwin->w_cursor.lnum > lnum)
-	    curwin->w_cursor.lnum += added;
-    }
-    else
-	rettv->vval.v_number = 1;	/* Failed */
-}
-
-/*
- * "argc()" function
- */
-    static void
-f_argc(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = ARGCOUNT;
-}
-
-/*
- * "argidx()" function
- */
-    static void
-f_argidx(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = curwin->w_arg_idx;
-}
-
-/*
- * "arglistid()" function
- */
-    static void
-f_arglistid(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*wp;
-
-    rettv->vval.v_number = -1;
-    wp = find_tabwin(&argvars[0], &argvars[1]);
-    if (wp != NULL)
-	rettv->vval.v_number = wp->w_alist->id;
-}
-
-/*
- * "argv(nr)" function
- */
-    static void
-f_argv(typval_T *argvars, typval_T *rettv)
-{
-    int		idx;
-
-    if (argvars[0].v_type != VAR_UNKNOWN)
-    {
-	idx = (int)get_tv_number_chk(&argvars[0], NULL);
-	if (idx >= 0 && idx < ARGCOUNT)
-	    rettv->vval.v_string = vim_strsave(alist_name(&ARGLIST[idx]));
-	else
-	    rettv->vval.v_string = NULL;
-	rettv->v_type = VAR_STRING;
-    }
-    else if (rettv_list_alloc(rettv) == OK)
-	for (idx = 0; idx < ARGCOUNT; ++idx)
-	    list_append_string(rettv->vval.v_list,
-					       alist_name(&ARGLIST[idx]), -1);
-}
-
-typedef enum
-{
-    ASSERT_EQUAL,
-    ASSERT_NOTEQUAL,
-    ASSERT_MATCH,
-    ASSERT_NOTMATCH,
-    ASSERT_OTHER
-} assert_type_T;
-
-static void prepare_assert_error(garray_T*gap);
-static void fill_assert_error(garray_T *gap, typval_T *opt_msg_tv, char_u *exp_str, typval_T *exp_tv, typval_T *got_tv, assert_type_T is_match);
-static void assert_error(garray_T *gap);
-static void assert_bool(typval_T *argvars, int isTrue);
-
-/*
- * Prepare "gap" for an assert error and add the sourcing position.
- */
-    static void
-prepare_assert_error(garray_T *gap)
-{
-    char buf[NUMBUFLEN];
-
-    ga_init2(gap, 1, 100);
-    if (sourcing_name != NULL)
-    {
-	ga_concat(gap, sourcing_name);
-	if (sourcing_lnum > 0)
-	    ga_concat(gap, (char_u *)" ");
-    }
-    if (sourcing_lnum > 0)
-    {
-	sprintf(buf, "line %ld", (long)sourcing_lnum);
-	ga_concat(gap, (char_u *)buf);
-    }
-    if (sourcing_name != NULL || sourcing_lnum > 0)
-	ga_concat(gap, (char_u *)": ");
-}
-
-/*
- * Append "str" to "gap", escaping unprintable characters.
- * Changes NL to \n, CR to \r, etc.
- */
-    static void
-ga_concat_esc(garray_T *gap, char_u *str)
-{
-    char_u  *p;
-    char_u  buf[NUMBUFLEN];
-
-    if (str == NULL)
-    {
-	ga_concat(gap, (char_u *)"NULL");
-	return;
-    }
-
-    for (p = str; *p != NUL; ++p)
-	switch (*p)
-	{
-	    case BS: ga_concat(gap, (char_u *)"\\b"); break;
-	    case ESC: ga_concat(gap, (char_u *)"\\e"); break;
-	    case FF: ga_concat(gap, (char_u *)"\\f"); break;
-	    case NL: ga_concat(gap, (char_u *)"\\n"); break;
-	    case TAB: ga_concat(gap, (char_u *)"\\t"); break;
-	    case CAR: ga_concat(gap, (char_u *)"\\r"); break;
-	    case '\\': ga_concat(gap, (char_u *)"\\\\"); break;
-	    default:
-		if (*p < ' ')
-		{
-		    vim_snprintf((char *)buf, NUMBUFLEN, "\\x%02x", *p);
-		    ga_concat(gap, buf);
-		}
-		else
-		    ga_append(gap, *p);
-		break;
-	}
-}
-
-/*
- * Fill "gap" with information about an assert error.
- */
-    static void
-fill_assert_error(
-    garray_T	*gap,
-    typval_T	*opt_msg_tv,
-    char_u      *exp_str,
-    typval_T	*exp_tv,
-    typval_T	*got_tv,
-    assert_type_T atype)
-{
-    char_u	numbuf[NUMBUFLEN];
-    char_u	*tofree;
-
-    if (opt_msg_tv->v_type != VAR_UNKNOWN)
-    {
-	ga_concat(gap, tv2string(opt_msg_tv, &tofree, numbuf, 0));
-	vim_free(tofree);
-    }
-    else
-    {
-	if (atype == ASSERT_MATCH || atype == ASSERT_NOTMATCH)
-	    ga_concat(gap, (char_u *)"Pattern ");
-	else
-	    ga_concat(gap, (char_u *)"Expected ");
-	if (exp_str == NULL)
-	{
-	    ga_concat_esc(gap, tv2string(exp_tv, &tofree, numbuf, 0));
-	    vim_free(tofree);
-	}
-	else
-	    ga_concat_esc(gap, exp_str);
-	if (atype == ASSERT_MATCH)
-	    ga_concat(gap, (char_u *)" does not match ");
-	else if (atype == ASSERT_NOTMATCH)
-	    ga_concat(gap, (char_u *)" does match ");
-	else if (atype == ASSERT_NOTEQUAL)
-	    ga_concat(gap, (char_u *)" differs from ");
-	else
-	    ga_concat(gap, (char_u *)" but got ");
-	ga_concat_esc(gap, tv2string(got_tv, &tofree, numbuf, 0));
-	vim_free(tofree);
-    }
-}
-
-/*
- * Add an assert error to v:errors.
- */
-    static void
-assert_error(garray_T *gap)
-{
-    struct vimvar   *vp = &vimvars[VV_ERRORS];
-
-    if (vp->vv_type != VAR_LIST || vimvars[VV_ERRORS].vv_list == NULL)
-	/* Make sure v:errors is a list. */
-	set_vim_var_list(VV_ERRORS, list_alloc());
-    list_append_string(vimvars[VV_ERRORS].vv_list, gap->ga_data, gap->ga_len);
-}
-
-    static void
-assert_equal_common(typval_T *argvars, assert_type_T atype)
-{
-    garray_T	ga;
-
-    if (tv_equal(&argvars[0], &argvars[1], FALSE, FALSE)
-						   != (atype == ASSERT_EQUAL))
-    {
-	prepare_assert_error(&ga);
-	fill_assert_error(&ga, &argvars[2], NULL, &argvars[0], &argvars[1],
-								       atype);
-	assert_error(&ga);
-	ga_clear(&ga);
-    }
-}
-
-/*
- * "assert_equal(expected, actual[, msg])" function
- */
-    static void
-f_assert_equal(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    assert_equal_common(argvars, ASSERT_EQUAL);
-}
-
-/*
- * "assert_notequal(expected, actual[, msg])" function
- */
-    static void
-f_assert_notequal(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    assert_equal_common(argvars, ASSERT_NOTEQUAL);
-}
-
-/*
- * "assert_exception(string[, msg])" function
- */
-    static void
-f_assert_exception(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    garray_T	ga;
-    char	*error;
-
-    error = (char *)get_tv_string_chk(&argvars[0]);
-    if (vimvars[VV_EXCEPTION].vv_str == NULL)
-    {
-	prepare_assert_error(&ga);
-	ga_concat(&ga, (char_u *)"v:exception is not set");
-	assert_error(&ga);
-	ga_clear(&ga);
-    }
-    else if (error != NULL
-	    && strstr((char *)vimvars[VV_EXCEPTION].vv_str, error) == NULL)
-    {
-	prepare_assert_error(&ga);
-	fill_assert_error(&ga, &argvars[1], NULL, &argvars[0],
-				  &vimvars[VV_EXCEPTION].vv_tv, ASSERT_OTHER);
-	assert_error(&ga);
-	ga_clear(&ga);
-    }
-}
-
-/*
- * "assert_fails(cmd [, error])" function
- */
-    static void
-f_assert_fails(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    char_u	*cmd = get_tv_string_chk(&argvars[0]);
-    garray_T	ga;
-
-    called_emsg = FALSE;
-    suppress_errthrow = TRUE;
-    emsg_silent = TRUE;
-    do_cmdline_cmd(cmd);
-    if (!called_emsg)
-    {
-	prepare_assert_error(&ga);
-	ga_concat(&ga, (char_u *)"command did not fail: ");
-	ga_concat(&ga, cmd);
-	assert_error(&ga);
-	ga_clear(&ga);
-    }
-    else if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	char_u	buf[NUMBUFLEN];
-	char	*error = (char *)get_tv_string_buf_chk(&argvars[1], buf);
-
-	if (error == NULL
-		  || strstr((char *)vimvars[VV_ERRMSG].vv_str, error) == NULL)
-	{
-	    prepare_assert_error(&ga);
-	    fill_assert_error(&ga, &argvars[2], NULL, &argvars[1],
-				     &vimvars[VV_ERRMSG].vv_tv, ASSERT_OTHER);
-	    assert_error(&ga);
-	    ga_clear(&ga);
-	}
-    }
-
-    called_emsg = FALSE;
-    suppress_errthrow = FALSE;
-    emsg_silent = FALSE;
-    emsg_on_display = FALSE;
-    set_vim_var_string(VV_ERRMSG, NULL, 0);
-}
-
-/*
- * Common for assert_true() and assert_false().
- */
-    static void
-assert_bool(typval_T *argvars, int isTrue)
-{
-    int		error = FALSE;
-    garray_T	ga;
-
-    if (argvars[0].v_type == VAR_SPECIAL
-	    && argvars[0].vval.v_number == (isTrue ? VVAL_TRUE : VVAL_FALSE))
-	return;
-    if (argvars[0].v_type != VAR_NUMBER
-	    || (get_tv_number_chk(&argvars[0], &error) == 0) == isTrue
-	    || error)
-    {
-	prepare_assert_error(&ga);
-	fill_assert_error(&ga, &argvars[1],
-		(char_u *)(isTrue ? "True" : "False"),
-		NULL, &argvars[0], ASSERT_OTHER);
-	assert_error(&ga);
-	ga_clear(&ga);
-    }
-}
-
-/*
- * "assert_false(actual[, msg])" function
- */
-    static void
-f_assert_false(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    assert_bool(argvars, FALSE);
-}
-
-    static void
-assert_match_common(typval_T *argvars, assert_type_T atype)
-{
-    garray_T	ga;
-    char_u	buf1[NUMBUFLEN];
-    char_u	buf2[NUMBUFLEN];
-    char_u	*pat = get_tv_string_buf_chk(&argvars[0], buf1);
-    char_u	*text = get_tv_string_buf_chk(&argvars[1], buf2);
-
-    if (pat == NULL || text == NULL)
-	EMSG(_(e_invarg));
-    else if (pattern_match(pat, text, FALSE) != (atype == ASSERT_MATCH))
-    {
-	prepare_assert_error(&ga);
-	fill_assert_error(&ga, &argvars[2], NULL, &argvars[0], &argvars[1],
-									atype);
-	assert_error(&ga);
-	ga_clear(&ga);
-    }
-}
-
-/*
- * "assert_match(pattern, actual[, msg])" function
- */
-    static void
-f_assert_match(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    assert_match_common(argvars, ASSERT_MATCH);
-}
-
-/*
- * "assert_notmatch(pattern, actual[, msg])" function
- */
-    static void
-f_assert_notmatch(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    assert_match_common(argvars, ASSERT_NOTMATCH);
-}
-
-/*
- * "assert_true(actual[, msg])" function
- */
-    static void
-f_assert_true(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    assert_bool(argvars, TRUE);
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "asin()" function
- */
-    static void
-f_asin(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = asin(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "atan()" function
- */
-    static void
-f_atan(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = atan(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "atan2()" function
- */
-    static void
-f_atan2(typval_T *argvars, typval_T *rettv)
-{
-    float_T	fx = 0.0, fy = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &fx) == OK
-				     && get_float_arg(&argvars[1], &fy) == OK)
-	rettv->vval.v_float = atan2(fx, fy);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "browse(save, title, initdir, default)" function
- */
-    static void
-f_browse(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_BROWSE
-    int		save;
-    char_u	*title;
-    char_u	*initdir;
-    char_u	*defname;
-    char_u	buf[NUMBUFLEN];
-    char_u	buf2[NUMBUFLEN];
-    int		error = FALSE;
-
-    save = (int)get_tv_number_chk(&argvars[0], &error);
-    title = get_tv_string_chk(&argvars[1]);
-    initdir = get_tv_string_buf_chk(&argvars[2], buf);
-    defname = get_tv_string_buf_chk(&argvars[3], buf2);
-
-    if (error || title == NULL || initdir == NULL || defname == NULL)
-	rettv->vval.v_string = NULL;
-    else
-	rettv->vval.v_string =
-		 do_browse(save ? BROWSE_SAVE : 0,
-				 title, defname, NULL, initdir, NULL, curbuf);
-#else
-    rettv->vval.v_string = NULL;
-#endif
-    rettv->v_type = VAR_STRING;
-}
-
-/*
- * "browsedir(title, initdir)" function
- */
-    static void
-f_browsedir(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_BROWSE
-    char_u	*title;
-    char_u	*initdir;
-    char_u	buf[NUMBUFLEN];
-
-    title = get_tv_string_chk(&argvars[0]);
-    initdir = get_tv_string_buf_chk(&argvars[1], buf);
-
-    if (title == NULL || initdir == NULL)
-	rettv->vval.v_string = NULL;
-    else
-	rettv->vval.v_string = do_browse(BROWSE_DIR,
-				    title, NULL, NULL, initdir, NULL, curbuf);
-#else
-    rettv->vval.v_string = NULL;
-#endif
-    rettv->v_type = VAR_STRING;
-}
-
-static buf_T *find_buffer(typval_T *avar);
-
-/*
- * Find a buffer by number or exact name.
- */
-    static buf_T *
-find_buffer(typval_T *avar)
-{
-    buf_T	*buf = NULL;
-
-    if (avar->v_type == VAR_NUMBER)
-	buf = buflist_findnr((int)avar->vval.v_number);
-    else if (avar->v_type == VAR_STRING && avar->vval.v_string != NULL)
-    {
-	buf = buflist_findname_exp(avar->vval.v_string);
-	if (buf == NULL)
-	{
-	    /* No full path name match, try a match with a URL or a "nofile"
-	     * buffer, these don't use the full path. */
-	    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
-		if (buf->b_fname != NULL
-			&& (path_with_url(buf->b_fname)
-#ifdef FEAT_QUICKFIX
-			    || bt_nofile(buf)
-#endif
-			   )
-			&& STRCMP(buf->b_fname, avar->vval.v_string) == 0)
-		    break;
-	}
-    }
-    return buf;
-}
-
-/*
- * "bufexists(expr)" function
- */
-    static void
-f_bufexists(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = (find_buffer(&argvars[0]) != NULL);
-}
-
-/*
- * "buflisted(expr)" function
- */
-    static void
-f_buflisted(typval_T *argvars, typval_T *rettv)
-{
-    buf_T	*buf;
-
-    buf = find_buffer(&argvars[0]);
-    rettv->vval.v_number = (buf != NULL && buf->b_p_bl);
-}
-
-/*
- * "bufloaded(expr)" function
- */
-    static void
-f_bufloaded(typval_T *argvars, typval_T *rettv)
-{
-    buf_T	*buf;
-
-    buf = find_buffer(&argvars[0]);
-    rettv->vval.v_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
-}
-
-    buf_T *
-buflist_find_by_name(char_u *name, int curtab_only)
-{
-    int		save_magic;
-    char_u	*save_cpo;
-    buf_T	*buf;
-
-    /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
-    save_magic = p_magic;
-    p_magic = TRUE;
-    save_cpo = p_cpo;
-    p_cpo = (char_u *)"";
-
-    buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
-						    TRUE, FALSE, curtab_only));
-
-    p_magic = save_magic;
-    p_cpo = save_cpo;
-    return buf;
-}
-
-/*
- * Get buffer by number or pattern.
- */
-    static buf_T *
-get_buf_tv(typval_T *tv, int curtab_only)
-{
-    char_u	*name = tv->vval.v_string;
-    buf_T	*buf;
-
-    if (tv->v_type == VAR_NUMBER)
-	return buflist_findnr((int)tv->vval.v_number);
-    if (tv->v_type != VAR_STRING)
-	return NULL;
-    if (name == NULL || *name == NUL)
-	return curbuf;
-    if (name[0] == '$' && name[1] == NUL)
-	return lastbuf;
-
-    buf = buflist_find_by_name(name, curtab_only);
-
-    /* If not found, try expanding the name, like done for bufexists(). */
-    if (buf == NULL)
-	buf = find_buffer(tv);
-
-    return buf;
-}
-
-/*
- * "bufname(expr)" function
- */
-    static void
-f_bufname(typval_T *argvars, typval_T *rettv)
-{
-    buf_T	*buf;
-
-    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
-    ++emsg_off;
-    buf = get_buf_tv(&argvars[0], FALSE);
-    rettv->v_type = VAR_STRING;
-    if (buf != NULL && buf->b_fname != NULL)
-	rettv->vval.v_string = vim_strsave(buf->b_fname);
-    else
-	rettv->vval.v_string = NULL;
-    --emsg_off;
-}
-
-/*
- * "bufnr(expr)" function
- */
-    static void
-f_bufnr(typval_T *argvars, typval_T *rettv)
-{
-    buf_T	*buf;
-    int		error = FALSE;
-    char_u	*name;
-
-    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
-    ++emsg_off;
-    buf = get_buf_tv(&argvars[0], FALSE);
-    --emsg_off;
-
-    /* If the buffer isn't found and the second argument is not zero create a
-     * new buffer. */
-    if (buf == NULL
-	    && argvars[1].v_type != VAR_UNKNOWN
-	    && get_tv_number_chk(&argvars[1], &error) != 0
-	    && !error
-	    && (name = get_tv_string_chk(&argvars[0])) != NULL
-	    && !error)
-	buf = buflist_new(name, NULL, (linenr_T)1, 0);
-
-    if (buf != NULL)
-	rettv->vval.v_number = buf->b_fnum;
-    else
-	rettv->vval.v_number = -1;
-}
-
-    static void
-buf_win_common(typval_T *argvars, typval_T *rettv, int get_nr)
-{
-#ifdef FEAT_WINDOWS
-    win_T	*wp;
-    int		winnr = 0;
-#endif
-    buf_T	*buf;
-
-    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
-    ++emsg_off;
-    buf = get_buf_tv(&argvars[0], TRUE);
-#ifdef FEAT_WINDOWS
-    for (wp = firstwin; wp; wp = wp->w_next)
-    {
-	++winnr;
-	if (wp->w_buffer == buf)
-	    break;
-    }
-    rettv->vval.v_number = (wp != NULL ? (get_nr ? winnr : wp->w_id) : -1);
-#else
-    rettv->vval.v_number = (curwin->w_buffer == buf
-					  ? (get_nr ? 1 : curwin->w_id) : -1);
-#endif
-    --emsg_off;
-}
-
-/*
- * "bufwinid(nr)" function
- */
-    static void
-f_bufwinid(typval_T *argvars, typval_T *rettv)
-{
-    buf_win_common(argvars, rettv, FALSE);
-}
-
-/*
- * "bufwinnr(nr)" function
- */
-    static void
-f_bufwinnr(typval_T *argvars, typval_T *rettv)
-{
-    buf_win_common(argvars, rettv, TRUE);
-}
-
-/*
- * "byte2line(byte)" function
- */
-    static void
-f_byte2line(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifndef FEAT_BYTEOFF
-    rettv->vval.v_number = -1;
-#else
-    long	boff = 0;
-
-    boff = get_tv_number(&argvars[0]) - 1;  /* boff gets -1 on type error */
-    if (boff < 0)
-	rettv->vval.v_number = -1;
-    else
-	rettv->vval.v_number = ml_find_line_or_offset(curbuf,
-							  (linenr_T)0, &boff);
-#endif
-}
-
-    static void
-byteidx(typval_T *argvars, typval_T *rettv, int comp UNUSED)
-{
-#ifdef FEAT_MBYTE
-    char_u	*t;
-#endif
-    char_u	*str;
-    varnumber_T	idx;
-
-    str = get_tv_string_chk(&argvars[0]);
-    idx = get_tv_number_chk(&argvars[1], NULL);
-    rettv->vval.v_number = -1;
-    if (str == NULL || idx < 0)
-	return;
-
-#ifdef FEAT_MBYTE
-    t = str;
-    for ( ; idx > 0; idx--)
-    {
-	if (*t == NUL)		/* EOL reached */
-	    return;
-	if (enc_utf8 && comp)
-	    t += utf_ptr2len(t);
-	else
-	    t += (*mb_ptr2len)(t);
-    }
-    rettv->vval.v_number = (varnumber_T)(t - str);
-#else
-    if ((size_t)idx <= STRLEN(str))
-	rettv->vval.v_number = idx;
-#endif
-}
-
-/*
- * "byteidx()" function
- */
-    static void
-f_byteidx(typval_T *argvars, typval_T *rettv)
-{
-    byteidx(argvars, rettv, FALSE);
-}
-
-/*
- * "byteidxcomp()" function
- */
-    static void
-f_byteidxcomp(typval_T *argvars, typval_T *rettv)
-{
-    byteidx(argvars, rettv, TRUE);
-}
-
-/*
- * "call(func, arglist [, dict])" function
- */
-    static void
-f_call(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*func;
-    partial_T   *partial = NULL;
-    dict_T	*selfdict = NULL;
-
-    if (argvars[1].v_type != VAR_LIST)
-    {
-	EMSG(_(e_listreq));
-	return;
-    }
-    if (argvars[1].vval.v_list == NULL)
-	return;
-
-    if (argvars[0].v_type == VAR_FUNC)
-	func = argvars[0].vval.v_string;
-    else if (argvars[0].v_type == VAR_PARTIAL)
-    {
-	partial = argvars[0].vval.v_partial;
-	func = partial->pt_name;
-    }
-    else
-	func = get_tv_string(&argvars[0]);
-    if (*func == NUL)
-	return;		/* type error or empty name */
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	if (argvars[2].v_type != VAR_DICT)
-	{
-	    EMSG(_(e_dictreq));
-	    return;
-	}
-	selfdict = argvars[2].vval.v_dict;
-    }
-
-    (void)func_call(func, &argvars[1], partial, selfdict, rettv);
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "ceil({float})" function
- */
-    static void
-f_ceil(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = ceil(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-#ifdef FEAT_JOB_CHANNEL
-/*
- * "ch_close()" function
- */
-    static void
-f_ch_close(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    channel_T *channel = get_channel_arg(&argvars[0], TRUE, FALSE, 0);
-
-    if (channel != NULL)
-    {
-	channel_close(channel, FALSE);
-	channel_clear(channel);
-    }
-}
-
-/*
- * "ch_getbufnr()" function
- */
-    static void
-f_ch_getbufnr(typval_T *argvars, typval_T *rettv)
-{
-    channel_T *channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
-
-    rettv->vval.v_number = -1;
-    if (channel != NULL)
-    {
-	char_u	*what = get_tv_string(&argvars[1]);
-	int	part;
-
-	if (STRCMP(what, "err") == 0)
-	    part = PART_ERR;
-	else if (STRCMP(what, "out") == 0)
-	    part = PART_OUT;
-	else if (STRCMP(what, "in") == 0)
-	    part = PART_IN;
-	else
-	    part = PART_SOCK;
-	if (channel->ch_part[part].ch_bufref.br_buf != NULL)
-	    rettv->vval.v_number =
-			      channel->ch_part[part].ch_bufref.br_buf->b_fnum;
-    }
-}
-
-/*
- * "ch_getjob()" function
- */
-    static void
-f_ch_getjob(typval_T *argvars, typval_T *rettv)
-{
-    channel_T *channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
-
-    if (channel != NULL)
-    {
-	rettv->v_type = VAR_JOB;
-	rettv->vval.v_job = channel->ch_job;
-	if (channel->ch_job != NULL)
-	    ++channel->ch_job->jv_refcount;
-    }
-}
-
-/*
- * "ch_info()" function
- */
-    static void
-f_ch_info(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    channel_T *channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
-
-    if (channel != NULL && rettv_dict_alloc(rettv) != FAIL)
-	channel_info(channel, rettv->vval.v_dict);
-}
-
-/*
- * "ch_log()" function
- */
-    static void
-f_ch_log(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    char_u	*msg = get_tv_string(&argvars[0]);
-    channel_T	*channel = NULL;
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-	channel = get_channel_arg(&argvars[1], FALSE, FALSE, 0);
-
-    ch_log(channel, (char *)msg);
-}
-
-/*
- * "ch_logfile()" function
- */
-    static void
-f_ch_logfile(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    char_u *fname;
-    char_u *opt = (char_u *)"";
-    char_u buf[NUMBUFLEN];
-
-    fname = get_tv_string(&argvars[0]);
-    if (argvars[1].v_type == VAR_STRING)
-	opt = get_tv_string_buf(&argvars[1], buf);
-    ch_logfile(fname, opt);
-}
-
-/*
- * "ch_open()" function
- */
-    static void
-f_ch_open(typval_T *argvars, typval_T *rettv)
-{
-    rettv->v_type = VAR_CHANNEL;
-    if (check_restricted() || check_secure())
-	return;
-    rettv->vval.v_channel = channel_open_func(argvars);
-}
-
-/*
- * "ch_read()" function
- */
-    static void
-f_ch_read(typval_T *argvars, typval_T *rettv)
-{
-    common_channel_read(argvars, rettv, FALSE);
-}
-
-/*
- * "ch_readraw()" function
- */
-    static void
-f_ch_readraw(typval_T *argvars, typval_T *rettv)
-{
-    common_channel_read(argvars, rettv, TRUE);
-}
-
-/*
- * "ch_evalexpr()" function
- */
-    static void
-f_ch_evalexpr(typval_T *argvars, typval_T *rettv)
-{
-    ch_expr_common(argvars, rettv, TRUE);
-}
-
-/*
- * "ch_sendexpr()" function
- */
-    static void
-f_ch_sendexpr(typval_T *argvars, typval_T *rettv)
-{
-    ch_expr_common(argvars, rettv, FALSE);
-}
-
-/*
- * "ch_evalraw()" function
- */
-    static void
-f_ch_evalraw(typval_T *argvars, typval_T *rettv)
-{
-    ch_raw_common(argvars, rettv, TRUE);
-}
-
-/*
- * "ch_sendraw()" function
- */
-    static void
-f_ch_sendraw(typval_T *argvars, typval_T *rettv)
-{
-    ch_raw_common(argvars, rettv, FALSE);
-}
-
-/*
- * "ch_setoptions()" function
- */
-    static void
-f_ch_setoptions(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    channel_T	*channel;
-    jobopt_T	opt;
-
-    channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
-    if (channel == NULL)
-	return;
-    clear_job_options(&opt);
-    if (get_job_options(&argvars[1], &opt,
-			      JO_CB_ALL + JO_TIMEOUT_ALL + JO_MODE_ALL) == OK)
-	channel_set_options(channel, &opt);
-    free_job_options(&opt);
-}
-
-/*
- * "ch_status()" function
- */
-    static void
-f_ch_status(typval_T *argvars, typval_T *rettv)
-{
-    channel_T	*channel;
-
-    /* return an empty string by default */
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-    channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
-    rettv->vval.v_string = vim_strsave((char_u *)channel_status(channel));
-}
-#endif
-
-/*
- * "changenr()" function
- */
-    static void
-f_changenr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = curbuf->b_u_seq_cur;
-}
-
-/*
- * "char2nr(string)" function
- */
-    static void
-f_char2nr(typval_T *argvars, typval_T *rettv)
-{
-#ifdef FEAT_MBYTE
-    if (has_mbyte)
-    {
-	int	utf8 = 0;
-
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	    utf8 = (int)get_tv_number_chk(&argvars[1], NULL);
-
-	if (utf8)
-	    rettv->vval.v_number = (*utf_ptr2char)(get_tv_string(&argvars[0]));
-	else
-	    rettv->vval.v_number = (*mb_ptr2char)(get_tv_string(&argvars[0]));
-    }
-    else
-#endif
-    rettv->vval.v_number = get_tv_string(&argvars[0])[0];
-}
-
-/*
- * "cindent(lnum)" function
- */
-    static void
-f_cindent(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_CINDENT
-    pos_T	pos;
-    linenr_T	lnum;
-
-    pos = curwin->w_cursor;
-    lnum = get_tv_lnum(argvars);
-    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
-    {
-	curwin->w_cursor.lnum = lnum;
-	rettv->vval.v_number = get_c_indent();
-	curwin->w_cursor = pos;
-    }
-    else
-#endif
-	rettv->vval.v_number = -1;
-}
-
-/*
- * "clearmatches()" function
- */
-    static void
-f_clearmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_SEARCH_EXTRA
-    clear_matches(curwin);
-#endif
-}
-
-/*
- * "col(string)" function
- */
-    static void
-f_col(typval_T *argvars, typval_T *rettv)
-{
-    colnr_T	col = 0;
-    pos_T	*fp;
-    int		fnum = curbuf->b_fnum;
-
-    fp = var2fpos(&argvars[0], FALSE, &fnum);
-    if (fp != NULL && fnum == curbuf->b_fnum)
-    {
-	if (fp->col == MAXCOL)
-	{
-	    /* '> can be MAXCOL, get the length of the line then */
-	    if (fp->lnum <= curbuf->b_ml.ml_line_count)
-		col = (colnr_T)STRLEN(ml_get(fp->lnum)) + 1;
-	    else
-		col = MAXCOL;
-	}
-	else
-	{
-	    col = fp->col + 1;
-#ifdef FEAT_VIRTUALEDIT
-	    /* col(".") when the cursor is on the NUL at the end of the line
-	     * because of "coladd" can be seen as an extra column. */
-	    if (virtual_active() && fp == &curwin->w_cursor)
-	    {
-		char_u	*p = ml_get_cursor();
-
-		if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
-				 curwin->w_virtcol - curwin->w_cursor.coladd))
-		{
-# ifdef FEAT_MBYTE
-		    int		l;
-
-		    if (*p != NUL && p[(l = (*mb_ptr2len)(p))] == NUL)
-			col += l;
-# else
-		    if (*p != NUL && p[1] == NUL)
-			++col;
-# endif
-		}
-	    }
-#endif
-	}
-    }
-    rettv->vval.v_number = col;
-}
-
-#if defined(FEAT_INS_EXPAND)
-/*
- * "complete()" function
- */
-    static void
-f_complete(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    int	    startcol;
-
-    if ((State & INSERT) == 0)
-    {
-	EMSG(_("E785: complete() can only be used in Insert mode"));
-	return;
-    }
-
-    /* Check for undo allowed here, because if something was already inserted
-     * the line was already saved for undo and this check isn't done. */
-    if (!undo_allowed())
-	return;
-
-    if (argvars[1].v_type != VAR_LIST || argvars[1].vval.v_list == NULL)
-    {
-	EMSG(_(e_invarg));
-	return;
-    }
-
-    startcol = (int)get_tv_number_chk(&argvars[0], NULL);
-    if (startcol <= 0)
-	return;
-
-    set_completion(startcol - 1, argvars[1].vval.v_list);
-}
-
-/*
- * "complete_add()" function
- */
-    static void
-f_complete_add(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = ins_compl_add_tv(&argvars[0], 0);
-}
-
-/*
- * "complete_check()" function
- */
-    static void
-f_complete_check(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		saved = RedrawingDisabled;
-
-    RedrawingDisabled = 0;
-    ins_compl_check_keys(0);
-    rettv->vval.v_number = compl_interrupted;
-    RedrawingDisabled = saved;
-}
-#endif
-
-/*
- * "confirm(message, buttons[, default [, type]])" function
- */
-    static void
-f_confirm(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
-    char_u	*message;
-    char_u	*buttons = NULL;
-    char_u	buf[NUMBUFLEN];
-    char_u	buf2[NUMBUFLEN];
-    int		def = 1;
-    int		type = VIM_GENERIC;
-    char_u	*typestr;
-    int		error = FALSE;
-
-    message = get_tv_string_chk(&argvars[0]);
-    if (message == NULL)
-	error = TRUE;
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	buttons = get_tv_string_buf_chk(&argvars[1], buf);
-	if (buttons == NULL)
-	    error = TRUE;
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	{
-	    def = (int)get_tv_number_chk(&argvars[2], &error);
-	    if (argvars[3].v_type != VAR_UNKNOWN)
-	    {
-		typestr = get_tv_string_buf_chk(&argvars[3], buf2);
-		if (typestr == NULL)
-		    error = TRUE;
-		else
-		{
-		    switch (TOUPPER_ASC(*typestr))
-		    {
-			case 'E': type = VIM_ERROR; break;
-			case 'Q': type = VIM_QUESTION; break;
-			case 'I': type = VIM_INFO; break;
-			case 'W': type = VIM_WARNING; break;
-			case 'G': type = VIM_GENERIC; break;
-		    }
-		}
-	    }
-	}
-    }
-
-    if (buttons == NULL || *buttons == NUL)
-	buttons = (char_u *)_("&Ok");
-
-    if (!error)
-	rettv->vval.v_number = do_dialog(type, NULL, message, buttons,
-							    def, NULL, FALSE);
-#endif
-}
-
-/*
- * "copy()" function
- */
-    static void
-f_copy(typval_T *argvars, typval_T *rettv)
-{
-    item_copy(&argvars[0], rettv, FALSE, 0);
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "cos()" function
- */
-    static void
-f_cos(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = cos(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "cosh()" function
- */
-    static void
-f_cosh(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = cosh(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "count()" function
- */
-    static void
-f_count(typval_T *argvars, typval_T *rettv)
-{
-    long	n = 0;
-    int		ic = FALSE;
-
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	listitem_T	*li;
-	list_T		*l;
-	long		idx;
-
-	if ((l = argvars[0].vval.v_list) != NULL)
-	{
-	    li = l->lv_first;
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		int error = FALSE;
-
-		ic = (int)get_tv_number_chk(&argvars[2], &error);
-		if (argvars[3].v_type != VAR_UNKNOWN)
-		{
-		    idx = (long)get_tv_number_chk(&argvars[3], &error);
-		    if (!error)
-		    {
-			li = list_find(l, idx);
-			if (li == NULL)
-			    EMSGN(_(e_listidx), idx);
-		    }
-		}
-		if (error)
-		    li = NULL;
-	    }
-
-	    for ( ; li != NULL; li = li->li_next)
-		if (tv_equal(&li->li_tv, &argvars[1], ic, FALSE))
-		    ++n;
-	}
-    }
-    else if (argvars[0].v_type == VAR_DICT)
-    {
-	int		todo;
-	dict_T		*d;
-	hashitem_T	*hi;
-
-	if ((d = argvars[0].vval.v_dict) != NULL)
-	{
-	    int error = FALSE;
-
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		ic = (int)get_tv_number_chk(&argvars[2], &error);
-		if (argvars[3].v_type != VAR_UNKNOWN)
-		    EMSG(_(e_invarg));
-	    }
-
-	    todo = error ? 0 : (int)d->dv_hashtab.ht_used;
-	    for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi)
-	    {
-		if (!HASHITEM_EMPTY(hi))
-		{
-		    --todo;
-		    if (tv_equal(&HI2DI(hi)->di_tv, &argvars[1], ic, FALSE))
-			++n;
-		}
-	    }
-	}
-    }
-    else
-	EMSG2(_(e_listdictarg), "count()");
-    rettv->vval.v_number = n;
-}
-
-/*
- * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
- *
- * Checks the existence of a cscope connection.
- */
-    static void
-f_cscope_connection(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_CSCOPE
-    int		num = 0;
-    char_u	*dbpath = NULL;
-    char_u	*prepend = NULL;
-    char_u	buf[NUMBUFLEN];
-
-    if (argvars[0].v_type != VAR_UNKNOWN
-	    && argvars[1].v_type != VAR_UNKNOWN)
-    {
-	num = (int)get_tv_number(&argvars[0]);
-	dbpath = get_tv_string(&argvars[1]);
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    prepend = get_tv_string_buf(&argvars[2], buf);
-    }
-
-    rettv->vval.v_number = cs_connection(num, dbpath, prepend);
-#endif
-}
-
-/*
- * "cursor(lnum, col)" function, or
- * "cursor(list)"
- *
- * Moves the cursor to the specified line and column.
- * Returns 0 when the position could be set, -1 otherwise.
- */
-    static void
-f_cursor(typval_T *argvars, typval_T *rettv)
-{
-    long	line, col;
-#ifdef FEAT_VIRTUALEDIT
-    long	coladd = 0;
-#endif
-    int		set_curswant = TRUE;
-
-    rettv->vval.v_number = -1;
-    if (argvars[1].v_type == VAR_UNKNOWN)
-    {
-	pos_T	    pos;
-	colnr_T	    curswant = -1;
-
-	if (list2fpos(argvars, &pos, NULL, &curswant) == FAIL)
-	{
-	    EMSG(_(e_invarg));
-	    return;
-	}
-	line = pos.lnum;
-	col = pos.col;
-#ifdef FEAT_VIRTUALEDIT
-	coladd = pos.coladd;
-#endif
-	if (curswant >= 0)
-	{
-	    curwin->w_curswant = curswant - 1;
-	    set_curswant = FALSE;
-	}
-    }
-    else
-    {
-	line = get_tv_lnum(argvars);
-	col = (long)get_tv_number_chk(&argvars[1], NULL);
-#ifdef FEAT_VIRTUALEDIT
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    coladd = (long)get_tv_number_chk(&argvars[2], NULL);
-#endif
-    }
-    if (line < 0 || col < 0
-#ifdef FEAT_VIRTUALEDIT
-			    || coladd < 0
-#endif
-	    )
-	return;		/* type error; errmsg already given */
-    if (line > 0)
-	curwin->w_cursor.lnum = line;
-    if (col > 0)
-	curwin->w_cursor.col = col - 1;
-#ifdef FEAT_VIRTUALEDIT
-    curwin->w_cursor.coladd = coladd;
-#endif
-
-    /* Make sure the cursor is in a valid position. */
-    check_cursor();
-#ifdef FEAT_MBYTE
-    /* Correct cursor for multi-byte character. */
-    if (has_mbyte)
-	mb_adjust_cursor();
-#endif
-
-    curwin->w_set_curswant = set_curswant;
-    rettv->vval.v_number = 0;
-}
-
-/*
- * "deepcopy()" function
- */
-    static void
-f_deepcopy(typval_T *argvars, typval_T *rettv)
-{
-    int		noref = 0;
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-	noref = (int)get_tv_number_chk(&argvars[1], NULL);
-    if (noref < 0 || noref > 1)
-	EMSG(_(e_invarg));
-    else
-    {
-	current_copyID += COPYID_INC;
-	item_copy(&argvars[0], rettv, TRUE, noref == 0 ? current_copyID : 0);
-    }
-}
-
-/*
- * "delete()" function
- */
-    static void
-f_delete(typval_T *argvars, typval_T *rettv)
-{
-    char_u	nbuf[NUMBUFLEN];
-    char_u	*name;
-    char_u	*flags;
-
-    rettv->vval.v_number = -1;
-    if (check_restricted() || check_secure())
-	return;
-
-    name = get_tv_string(&argvars[0]);
-    if (name == NULL || *name == NUL)
-    {
-	EMSG(_(e_invarg));
-	return;
-    }
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-	flags = get_tv_string_buf(&argvars[1], nbuf);
-    else
-	flags = (char_u *)"";
-
-    if (*flags == NUL)
-	/* delete a file */
-	rettv->vval.v_number = mch_remove(name) == 0 ? 0 : -1;
-    else if (STRCMP(flags, "d") == 0)
-	/* delete an empty directory */
-	rettv->vval.v_number = mch_rmdir(name) == 0 ? 0 : -1;
-    else if (STRCMP(flags, "rf") == 0)
-	/* delete a directory recursively */
-	rettv->vval.v_number = delete_recursive(name);
-    else
-	EMSG2(_(e_invexpr2), flags);
-}
-
-/*
- * "did_filetype()" function
- */
-    static void
-f_did_filetype(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_AUTOCMD
-    rettv->vval.v_number = did_filetype;
-#endif
-}
-
-/*
- * "diff_filler()" function
- */
-    static void
-f_diff_filler(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_DIFF
-    rettv->vval.v_number = diff_check_fill(curwin, get_tv_lnum(argvars));
-#endif
-}
-
-/*
- * "diff_hlID()" function
- */
-    static void
-f_diff_hlID(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_DIFF
-    linenr_T		lnum = get_tv_lnum(argvars);
-    static linenr_T	prev_lnum = 0;
-    static int		changedtick = 0;
-    static int		fnum = 0;
-    static int		change_start = 0;
-    static int		change_end = 0;
-    static hlf_T	hlID = (hlf_T)0;
-    int			filler_lines;
-    int			col;
-
-    if (lnum < 0)	/* ignore type error in {lnum} arg */
-	lnum = 0;
-    if (lnum != prev_lnum
-	    || changedtick != curbuf->b_changedtick
-	    || fnum != curbuf->b_fnum)
-    {
-	/* New line, buffer, change: need to get the values. */
-	filler_lines = diff_check(curwin, lnum);
-	if (filler_lines < 0)
-	{
-	    if (filler_lines == -1)
-	    {
-		change_start = MAXCOL;
-		change_end = -1;
-		if (diff_find_change(curwin, lnum, &change_start, &change_end))
-		    hlID = HLF_ADD;	/* added line */
-		else
-		    hlID = HLF_CHD;	/* changed line */
-	    }
-	    else
-		hlID = HLF_ADD;	/* added line */
-	}
-	else
-	    hlID = (hlf_T)0;
-	prev_lnum = lnum;
-	changedtick = curbuf->b_changedtick;
-	fnum = curbuf->b_fnum;
-    }
-
-    if (hlID == HLF_CHD || hlID == HLF_TXD)
-    {
-	col = get_tv_number(&argvars[1]) - 1; /* ignore type error in {col} */
-	if (col >= change_start && col <= change_end)
-	    hlID = HLF_TXD;			/* changed text */
-	else
-	    hlID = HLF_CHD;			/* changed line */
-    }
-    rettv->vval.v_number = hlID == (hlf_T)0 ? 0 : (int)hlID;
-#endif
-}
-
-/*
- * "empty({expr})" function
- */
-    static void
-f_empty(typval_T *argvars, typval_T *rettv)
-{
-    int		n = FALSE;
-
-    switch (argvars[0].v_type)
-    {
-	case VAR_STRING:
-	case VAR_FUNC:
-	    n = argvars[0].vval.v_string == NULL
-					  || *argvars[0].vval.v_string == NUL;
-	    break;
-	case VAR_PARTIAL:
-	    n = FALSE;
-	    break;
-	case VAR_NUMBER:
-	    n = argvars[0].vval.v_number == 0;
-	    break;
-	case VAR_FLOAT:
-#ifdef FEAT_FLOAT
-	    n = argvars[0].vval.v_float == 0.0;
-	    break;
-#endif
-	case VAR_LIST:
-	    n = argvars[0].vval.v_list == NULL
-				  || argvars[0].vval.v_list->lv_first == NULL;
-	    break;
-	case VAR_DICT:
-	    n = argvars[0].vval.v_dict == NULL
-			|| argvars[0].vval.v_dict->dv_hashtab.ht_used == 0;
-	    break;
-	case VAR_SPECIAL:
-	    n = argvars[0].vval.v_number != VVAL_TRUE;
-	    break;
-
-	case VAR_JOB:
-#ifdef FEAT_JOB_CHANNEL
-	    n = argvars[0].vval.v_job == NULL
-			   || argvars[0].vval.v_job->jv_status != JOB_STARTED;
-	    break;
-#endif
-	case VAR_CHANNEL:
-#ifdef FEAT_JOB_CHANNEL
-	    n = argvars[0].vval.v_channel == NULL
-			       || !channel_is_open(argvars[0].vval.v_channel);
-	    break;
-#endif
-	case VAR_UNKNOWN:
-	    EMSG2(_(e_intern2), "f_empty(UNKNOWN)");
-	    n = TRUE;
-	    break;
-    }
-
-    rettv->vval.v_number = n;
-}
-
-/*
- * "escape({string}, {chars})" function
- */
-    static void
-f_escape(typval_T *argvars, typval_T *rettv)
-{
-    char_u	buf[NUMBUFLEN];
-
-    rettv->vval.v_string = vim_strsave_escaped(get_tv_string(&argvars[0]),
-					 get_tv_string_buf(&argvars[1], buf));
-    rettv->v_type = VAR_STRING;
-}
-
-/*
- * "eval()" function
- */
-    static void
-f_eval(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*s, *p;
-
-    s = get_tv_string_chk(&argvars[0]);
-    if (s != NULL)
-	s = skipwhite(s);
-
-    p = s;
-    if (s == NULL || eval1(&s, rettv, TRUE) == FAIL)
-    {
-	if (p != NULL && !aborting())
-	    EMSG2(_(e_invexpr2), p);
-	need_clr_eos = FALSE;
-	rettv->v_type = VAR_NUMBER;
-	rettv->vval.v_number = 0;
-    }
-    else if (*s != NUL)
-	EMSG(_(e_trailing));
-}
-
-/*
- * "eventhandler()" function
- */
-    static void
-f_eventhandler(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = vgetc_busy;
-}
-
-/*
- * "executable()" function
- */
-    static void
-f_executable(typval_T *argvars, typval_T *rettv)
-{
-    char_u *name = get_tv_string(&argvars[0]);
-
-    /* Check in $PATH and also check directly if there is a directory name. */
-    rettv->vval.v_number = mch_can_exe(name, NULL, TRUE)
-		 || (gettail(name) != name && mch_can_exe(name, NULL, FALSE));
-}
-
-static garray_T	redir_execute_ga;
-
-/*
- * Append "value[value_len]" to the execute() output.
- */
-    void
-execute_redir_str(char_u *value, int value_len)
-{
-    int		len;
-
-    if (value_len == -1)
-	len = (int)STRLEN(value);	/* Append the entire string */
-    else
-	len = value_len;		/* Append only "value_len" characters */
-    if (ga_grow(&redir_execute_ga, len) == OK)
-    {
-	mch_memmove((char *)redir_execute_ga.ga_data
-				       + redir_execute_ga.ga_len, value, len);
-	redir_execute_ga.ga_len += len;
-    }
-}
-
-/*
- * Get next line from a list.
- * Called by do_cmdline() to get the next line.
- * Returns allocated string, or NULL for end of function.
- */
-
-    static char_u *
-get_list_line(
-    int	    c UNUSED,
-    void    *cookie,
-    int	    indent UNUSED)
-{
-    listitem_T **p = (listitem_T **)cookie;
-    listitem_T *item = *p;
-    char_u	buf[NUMBUFLEN];
-    char_u	*s;
-
-    if (item == NULL)
-	return NULL;
-    s = get_tv_string_buf_chk(&item->li_tv, buf);
-    *p = item->li_next;
-    return s == NULL ? NULL : vim_strsave(s);
-}
-
-/*
- * "execute()" function
- */
-    static void
-f_execute(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*cmd = NULL;
-    list_T	*list = NULL;
-    int		save_msg_silent = msg_silent;
-    int		save_emsg_silent = emsg_silent;
-    int		save_emsg_noredir = emsg_noredir;
-    int		save_redir_execute = redir_execute;
-    garray_T	save_ga;
-
-    rettv->vval.v_string = NULL;
-    rettv->v_type = VAR_STRING;
-
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	list = argvars[0].vval.v_list;
-	if (list == NULL || list->lv_first == NULL)
-	    /* empty list, no commands, empty output */
-	    return;
-	++list->lv_refcount;
-    }
-    else
-    {
-	cmd = get_tv_string_chk(&argvars[0]);
-	if (cmd == NULL)
-	    return;
-    }
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	char_u	buf[NUMBUFLEN];
-	char_u  *s = get_tv_string_buf_chk(&argvars[1], buf);
-
-	if (s == NULL)
-	    return;
-	if (STRNCMP(s, "silent", 6) == 0)
-	    ++msg_silent;
-	if (STRCMP(s, "silent!") == 0)
-	{
-	    emsg_silent = TRUE;
-	    emsg_noredir = TRUE;
-	}
-    }
-    else
-	++msg_silent;
-
-    if (redir_execute)
-	save_ga = redir_execute_ga;
-    ga_init2(&redir_execute_ga, (int)sizeof(char), 500);
-    redir_execute = TRUE;
-
-    if (cmd != NULL)
-	do_cmdline_cmd(cmd);
-    else
-    {
-	listitem_T	*item = list->lv_first;
-
-	do_cmdline(NULL, get_list_line, (void *)&item,
-		      DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT|DOCMD_KEYTYPED);
-	--list->lv_refcount;
-    }
-
-    rettv->vval.v_string = redir_execute_ga.ga_data;
-    msg_silent = save_msg_silent;
-    emsg_silent = save_emsg_silent;
-    emsg_noredir = save_emsg_noredir;
-
-    redir_execute = save_redir_execute;
-    if (redir_execute)
-	redir_execute_ga = save_ga;
-
-    /* "silent reg" or "silent echo x" leaves msg_col somewhere in the
-     * line.  Put it back in the first column. */
-    msg_col = 0;
-}
-
-/*
- * "exepath()" function
- */
-    static void
-f_exepath(typval_T *argvars, typval_T *rettv)
-{
-    char_u *p = NULL;
-
-    (void)mch_can_exe(get_tv_string(&argvars[0]), &p, TRUE);
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = p;
-}
-
-/*
- * "exists()" function
- */
-    static void
-f_exists(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-    char_u	*name;
-    int		n = FALSE;
-    int		len = 0;
-
-    p = get_tv_string(&argvars[0]);
-    if (*p == '$')			/* environment variable */
-    {
-	/* first try "normal" environment variables (fast) */
-	if (mch_getenv(p + 1) != NULL)
-	    n = TRUE;
-	else
-	{
-	    /* try expanding things like $VIM and ${HOME} */
-	    p = expand_env_save(p);
-	    if (p != NULL && *p != '$')
-		n = TRUE;
-	    vim_free(p);
-	}
-    }
-    else if (*p == '&' || *p == '+')			/* option */
-    {
-	n = (get_option_tv(&p, NULL, TRUE) == OK);
-	if (*skipwhite(p) != NUL)
-	    n = FALSE;			/* trailing garbage */
-    }
-    else if (*p == '*')			/* internal or user defined function */
-    {
-	n = function_exists(p + 1);
-    }
-    else if (*p == ':')
-    {
-	n = cmd_exists(p + 1);
-    }
-    else if (*p == '#')
-    {
-#ifdef FEAT_AUTOCMD
-	if (p[1] == '#')
-	    n = autocmd_supported(p + 2);
-	else
-	    n = au_exists(p + 1);
-#endif
-    }
-    else				/* internal variable */
-    {
-	char_u	    *tofree;
-	typval_T    tv;
-
-	/* get_name_len() takes care of expanding curly braces */
-	name = p;
-	len = get_name_len(&p, &tofree, TRUE, FALSE);
-	if (len > 0)
-	{
-	    if (tofree != NULL)
-		name = tofree;
-	    n = (get_var_tv(name, len, &tv, NULL, FALSE, TRUE) == OK);
-	    if (n)
-	    {
-		/* handle d.key, l[idx], f(expr) */
-		n = (handle_subscript(&p, &tv, TRUE, FALSE) == OK);
-		if (n)
-		    clear_tv(&tv);
-	    }
-	}
-	if (*p != NUL)
-	    n = FALSE;
-
-	vim_free(tofree);
-    }
-
-    rettv->vval.v_number = n;
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "exp()" function
- */
-    static void
-f_exp(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = exp(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "expand()" function
- */
-    static void
-f_expand(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*s;
-    int		len;
-    char_u	*errormsg;
-    int		options = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
-    expand_T	xpc;
-    int		error = FALSE;
-    char_u	*result;
-
-    rettv->v_type = VAR_STRING;
-    if (argvars[1].v_type != VAR_UNKNOWN
-	    && argvars[2].v_type != VAR_UNKNOWN
-	    && get_tv_number_chk(&argvars[2], &error)
-	    && !error)
-    {
-	rettv->v_type = VAR_LIST;
-	rettv->vval.v_list = NULL;
-    }
-
-    s = get_tv_string(&argvars[0]);
-    if (*s == '%' || *s == '#' || *s == '<')
-    {
-	++emsg_off;
-	result = eval_vars(s, s, &len, NULL, &errormsg, NULL);
-	--emsg_off;
-	if (rettv->v_type == VAR_LIST)
-	{
-	    if (rettv_list_alloc(rettv) != FAIL && result != NULL)
-		list_append_string(rettv->vval.v_list, result, -1);
-	    else
-		vim_free(result);
-	}
-	else
-	    rettv->vval.v_string = result;
-    }
-    else
-    {
-	/* When the optional second argument is non-zero, don't remove matches
-	 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
-	if (argvars[1].v_type != VAR_UNKNOWN
-				    && get_tv_number_chk(&argvars[1], &error))
-	    options |= WILD_KEEP_ALL;
-	if (!error)
-	{
-	    ExpandInit(&xpc);
-	    xpc.xp_context = EXPAND_FILES;
-	    if (p_wic)
-		options += WILD_ICASE;
-	    if (rettv->v_type == VAR_STRING)
-		rettv->vval.v_string = ExpandOne(&xpc, s, NULL,
-							   options, WILD_ALL);
-	    else if (rettv_list_alloc(rettv) != FAIL)
-	    {
-		int i;
-
-		ExpandOne(&xpc, s, NULL, options, WILD_ALL_KEEP);
-		for (i = 0; i < xpc.xp_numfiles; i++)
-		    list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
-		ExpandCleanup(&xpc);
-	    }
-	}
-	else
-	    rettv->vval.v_string = NULL;
-    }
-}
-
-/*
- * "extend(list, list [, idx])" function
- * "extend(dict, dict [, action])" function
- */
-    static void
-f_extend(typval_T *argvars, typval_T *rettv)
-{
-    char_u      *arg_errmsg = (char_u *)N_("extend() argument");
-
-    if (argvars[0].v_type == VAR_LIST && argvars[1].v_type == VAR_LIST)
-    {
-	list_T		*l1, *l2;
-	listitem_T	*item;
-	long		before;
-	int		error = FALSE;
-
-	l1 = argvars[0].vval.v_list;
-	l2 = argvars[1].vval.v_list;
-	if (l1 != NULL && !tv_check_lock(l1->lv_lock, arg_errmsg, TRUE)
-		&& l2 != NULL)
-	{
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		before = (long)get_tv_number_chk(&argvars[2], &error);
-		if (error)
-		    return;		/* type error; errmsg already given */
-
-		if (before == l1->lv_len)
-		    item = NULL;
-		else
-		{
-		    item = list_find(l1, before);
-		    if (item == NULL)
-		    {
-			EMSGN(_(e_listidx), before);
-			return;
-		    }
-		}
-	    }
-	    else
-		item = NULL;
-	    list_extend(l1, l2, item);
-
-	    copy_tv(&argvars[0], rettv);
-	}
-    }
-    else if (argvars[0].v_type == VAR_DICT && argvars[1].v_type == VAR_DICT)
-    {
-	dict_T	*d1, *d2;
-	char_u	*action;
-	int	i;
-
-	d1 = argvars[0].vval.v_dict;
-	d2 = argvars[1].vval.v_dict;
-	if (d1 != NULL && !tv_check_lock(d1->dv_lock, arg_errmsg, TRUE)
-		&& d2 != NULL)
-	{
-	    /* Check the third argument. */
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		static char *(av[]) = {"keep", "force", "error"};
-
-		action = get_tv_string_chk(&argvars[2]);
-		if (action == NULL)
-		    return;		/* type error; errmsg already given */
-		for (i = 0; i < 3; ++i)
-		    if (STRCMP(action, av[i]) == 0)
-			break;
-		if (i == 3)
-		{
-		    EMSG2(_(e_invarg2), action);
-		    return;
-		}
-	    }
-	    else
-		action = (char_u *)"force";
-
-	    dict_extend(d1, d2, action);
-
-	    copy_tv(&argvars[0], rettv);
-	}
-    }
-    else
-	EMSG2(_(e_listdictarg), "extend()");
-}
-
-/*
- * "feedkeys()" function
- */
-    static void
-f_feedkeys(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    int		remap = TRUE;
-    int		insert = FALSE;
-    char_u	*keys, *flags;
-    char_u	nbuf[NUMBUFLEN];
-    int		typed = FALSE;
-    int		execute = FALSE;
-    int		dangerous = FALSE;
-    char_u	*keys_esc;
-
-    /* This is not allowed in the sandbox.  If the commands would still be
-     * executed in the sandbox it would be OK, but it probably happens later,
-     * when "sandbox" is no longer set. */
-    if (check_secure())
-	return;
-
-    keys = get_tv_string(&argvars[0]);
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	flags = get_tv_string_buf(&argvars[1], nbuf);
-	for ( ; *flags != NUL; ++flags)
-	{
-	    switch (*flags)
-	    {
-		case 'n': remap = FALSE; break;
-		case 'm': remap = TRUE; break;
-		case 't': typed = TRUE; break;
-		case 'i': insert = TRUE; break;
-		case 'x': execute = TRUE; break;
-		case '!': dangerous = TRUE; break;
-	    }
-	}
-    }
-
-    if (*keys != NUL || execute)
-    {
-	/* Need to escape K_SPECIAL and CSI before putting the string in the
-	 * typeahead buffer. */
-	keys_esc = vim_strsave_escape_csi(keys);
-	if (keys_esc != NULL)
-	{
-	    ins_typebuf(keys_esc, (remap ? REMAP_YES : REMAP_NONE),
-				  insert ? 0 : typebuf.tb_len, !typed, FALSE);
-	    vim_free(keys_esc);
-	    if (vgetc_busy)
-		typebuf_was_filled = TRUE;
-	    if (execute)
-	    {
-		int save_msg_scroll = msg_scroll;
-
-		/* Avoid a 1 second delay when the keys start Insert mode. */
-		msg_scroll = FALSE;
-
-		if (!dangerous)
-		    ++ex_normal_busy;
-		exec_normal(TRUE);
-		if (!dangerous)
-		    --ex_normal_busy;
-		msg_scroll |= save_msg_scroll;
-	    }
-	}
-    }
-}
-
-/*
- * "filereadable()" function
- */
-    static void
-f_filereadable(typval_T *argvars, typval_T *rettv)
-{
-    int		fd;
-    char_u	*p;
-    int		n;
-
-#ifndef O_NONBLOCK
-# define O_NONBLOCK 0
-#endif
-    p = get_tv_string(&argvars[0]);
-    if (*p && !mch_isdir(p) && (fd = mch_open((char *)p,
-					      O_RDONLY | O_NONBLOCK, 0)) >= 0)
-    {
-	n = TRUE;
-	close(fd);
-    }
-    else
-	n = FALSE;
-
-    rettv->vval.v_number = n;
-}
-
-/*
- * Return 0 for not writable, 1 for writable file, 2 for a dir which we have
- * rights to write into.
- */
-    static void
-f_filewritable(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = filewritable(get_tv_string(&argvars[0]));
-}
-
-    static void
-findfilendir(
-    typval_T	*argvars UNUSED,
-    typval_T	*rettv,
-    int		find_what UNUSED)
-{
-#ifdef FEAT_SEARCHPATH
-    char_u	*fname;
-    char_u	*fresult = NULL;
-    char_u	*path = *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path;
-    char_u	*p;
-    char_u	pathbuf[NUMBUFLEN];
-    int		count = 1;
-    int		first = TRUE;
-    int		error = FALSE;
-#endif
-
-    rettv->vval.v_string = NULL;
-    rettv->v_type = VAR_STRING;
-
-#ifdef FEAT_SEARCHPATH
-    fname = get_tv_string(&argvars[0]);
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	p = get_tv_string_buf_chk(&argvars[1], pathbuf);
-	if (p == NULL)
-	    error = TRUE;
-	else
-	{
-	    if (*p != NUL)
-		path = p;
-
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-		count = (int)get_tv_number_chk(&argvars[2], &error);
-	}
-    }
-
-    if (count < 0 && rettv_list_alloc(rettv) == FAIL)
-	error = TRUE;
-
-    if (*fname != NUL && !error)
-    {
-	do
-	{
-	    if (rettv->v_type == VAR_STRING || rettv->v_type == VAR_LIST)
-		vim_free(fresult);
-	    fresult = find_file_in_path_option(first ? fname : NULL,
-					       first ? (int)STRLEN(fname) : 0,
-					0, first, path,
-					find_what,
-					curbuf->b_ffname,
-					find_what == FINDFILE_DIR
-					    ? (char_u *)"" : curbuf->b_p_sua);
-	    first = FALSE;
-
-	    if (fresult != NULL && rettv->v_type == VAR_LIST)
-		list_append_string(rettv->vval.v_list, fresult, -1);
-
-	} while ((rettv->v_type == VAR_LIST || --count > 0) && fresult != NULL);
-    }
-
-    if (rettv->v_type == VAR_STRING)
-	rettv->vval.v_string = fresult;
-#endif
-}
-
-static void filter_map(typval_T *argvars, typval_T *rettv, int map);
-static int filter_map_one(typval_T *tv, typval_T *expr, int map, int *remp);
-
-/*
- * Implementation of map() and filter().
- */
-    static void
-filter_map(typval_T *argvars, typval_T *rettv, int map)
-{
-    typval_T	*expr;
-    listitem_T	*li, *nli;
-    list_T	*l = NULL;
-    dictitem_T	*di;
-    hashtab_T	*ht;
-    hashitem_T	*hi;
-    dict_T	*d = NULL;
-    typval_T	save_val;
-    typval_T	save_key;
-    int		rem;
-    int		todo;
-    char_u	*ermsg = (char_u *)(map ? "map()" : "filter()");
-    char_u	*arg_errmsg = (char_u *)(map ? N_("map() argument")
-				   : N_("filter() argument"));
-    int		save_did_emsg;
-    int		idx = 0;
-
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	if ((l = argvars[0].vval.v_list) == NULL
-	      || (!map && tv_check_lock(l->lv_lock, arg_errmsg, TRUE)))
-	    return;
-    }
-    else if (argvars[0].v_type == VAR_DICT)
-    {
-	if ((d = argvars[0].vval.v_dict) == NULL
-	      || (!map && tv_check_lock(d->dv_lock, arg_errmsg, TRUE)))
-	    return;
-    }
-    else
-    {
-	EMSG2(_(e_listdictarg), ermsg);
-	return;
-    }
-
-    expr = &argvars[1];
-    /* On type errors, the preceding call has already displayed an error
-     * message.  Avoid a misleading error message for an empty string that
-     * was not passed as argument. */
-    if (expr->v_type != VAR_UNKNOWN)
-    {
-	prepare_vimvar(VV_VAL, &save_val);
-
-	/* We reset "did_emsg" to be able to detect whether an error
-	 * occurred during evaluation of the expression. */
-	save_did_emsg = did_emsg;
-	did_emsg = FALSE;
-
-	prepare_vimvar(VV_KEY, &save_key);
-	if (argvars[0].v_type == VAR_DICT)
-	{
-	    vimvars[VV_KEY].vv_type = VAR_STRING;
-
-	    ht = &d->dv_hashtab;
-	    hash_lock(ht);
-	    todo = (int)ht->ht_used;
-	    for (hi = ht->ht_array; todo > 0; ++hi)
-	    {
-		if (!HASHITEM_EMPTY(hi))
-		{
-		    int r;
-
-		    --todo;
-		    di = HI2DI(hi);
-		    if (map &&
-			    (tv_check_lock(di->di_tv.v_lock, arg_errmsg, TRUE)
-			    || var_check_ro(di->di_flags, arg_errmsg, TRUE)))
-			break;
-		    vimvars[VV_KEY].vv_str = vim_strsave(di->di_key);
-		    r = filter_map_one(&di->di_tv, expr, map, &rem);
-		    clear_tv(&vimvars[VV_KEY].vv_tv);
-		    if (r == FAIL || did_emsg)
-			break;
-		    if (!map && rem)
-		    {
-			if (var_check_fixed(di->di_flags, arg_errmsg, TRUE)
-			    || var_check_ro(di->di_flags, arg_errmsg, TRUE))
-			    break;
-			dictitem_remove(d, di);
-		    }
-		}
-	    }
-	    hash_unlock(ht);
-	}
-	else
-	{
-	    vimvars[VV_KEY].vv_type = VAR_NUMBER;
-
-	    for (li = l->lv_first; li != NULL; li = nli)
-	    {
-		if (map && tv_check_lock(li->li_tv.v_lock, arg_errmsg, TRUE))
-		    break;
-		nli = li->li_next;
-		vimvars[VV_KEY].vv_nr = idx;
-		if (filter_map_one(&li->li_tv, expr, map, &rem) == FAIL
-								  || did_emsg)
-		    break;
-		if (!map && rem)
-		    listitem_remove(l, li);
-		++idx;
-	    }
-	}
-
-	restore_vimvar(VV_KEY, &save_key);
-	restore_vimvar(VV_VAL, &save_val);
-
-	did_emsg |= save_did_emsg;
-    }
-
-    copy_tv(&argvars[0], rettv);
-}
-
-    static int
-filter_map_one(typval_T *tv, typval_T *expr, int map, int *remp)
-{
-    typval_T	rettv;
-    typval_T	argv[3];
-    char_u	buf[NUMBUFLEN];
-    char_u	*s;
-    int		retval = FAIL;
-    int		dummy;
-
-    copy_tv(tv, &vimvars[VV_VAL].vv_tv);
-    argv[0] = vimvars[VV_KEY].vv_tv;
-    argv[1] = vimvars[VV_VAL].vv_tv;
-    if (expr->v_type == VAR_FUNC)
-    {
-	s = expr->vval.v_string;
-	if (call_func(s, (int)STRLEN(s),
-		    &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL, NULL) == FAIL)
-	    goto theend;
-    }
-    else if (expr->v_type == VAR_PARTIAL)
-    {
-	partial_T   *partial = expr->vval.v_partial;
-
-	s = partial->pt_name;
-	if (call_func(s, (int)STRLEN(s),
-		    &rettv, 2, argv, 0L, 0L, &dummy, TRUE, partial, NULL)
-								      == FAIL)
-	    goto theend;
-    }
-    else
-    {
-	s = get_tv_string_buf_chk(expr, buf);
-	if (s == NULL)
-	    goto theend;
-	s = skipwhite(s);
-	if (eval1(&s, &rettv, TRUE) == FAIL)
-	    goto theend;
-	if (*s != NUL)  /* check for trailing chars after expr */
-	{
-	    EMSG2(_(e_invexpr2), s);
-	    goto theend;
-	}
-    }
-    if (map)
-    {
-	/* map(): replace the list item value */
-	clear_tv(tv);
-	rettv.v_lock = 0;
-	*tv = rettv;
-    }
-    else
-    {
-	int	    error = FALSE;
-
-	/* filter(): when expr is zero remove the item */
-	*remp = (get_tv_number_chk(&rettv, &error) == 0);
-	clear_tv(&rettv);
-	/* On type error, nothing has been removed; return FAIL to stop the
-	 * loop.  The error message was given by get_tv_number_chk(). */
-	if (error)
-	    goto theend;
-    }
-    retval = OK;
-theend:
-    clear_tv(&vimvars[VV_VAL].vv_tv);
-    return retval;
-}
-
-/*
- * "filter()" function
- */
-    static void
-f_filter(typval_T *argvars, typval_T *rettv)
-{
-    filter_map(argvars, rettv, FALSE);
-}
-
-/*
- * "finddir({fname}[, {path}[, {count}]])" function
- */
-    static void
-f_finddir(typval_T *argvars, typval_T *rettv)
-{
-    findfilendir(argvars, rettv, FINDFILE_DIR);
-}
-
-/*
- * "findfile({fname}[, {path}[, {count}]])" function
- */
-    static void
-f_findfile(typval_T *argvars, typval_T *rettv)
-{
-    findfilendir(argvars, rettv, FINDFILE_FILE);
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "float2nr({float})" function
- */
-    static void
-f_float2nr(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    if (get_float_arg(argvars, &f) == OK)
-    {
-# ifdef FEAT_NUM64
-	if (f < -0x7fffffffffffffff)
-	    rettv->vval.v_number = -0x7fffffffffffffff;
-	else if (f > 0x7fffffffffffffff)
-	    rettv->vval.v_number = 0x7fffffffffffffff;
-	else
-	    rettv->vval.v_number = (varnumber_T)f;
-# else
-	if (f < -0x7fffffff)
-	    rettv->vval.v_number = -0x7fffffff;
-	else if (f > 0x7fffffff)
-	    rettv->vval.v_number = 0x7fffffff;
-	else
-	    rettv->vval.v_number = (varnumber_T)f;
-# endif
-    }
-}
-
-/*
- * "floor({float})" function
- */
-    static void
-f_floor(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = floor(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "fmod()" function
- */
-    static void
-f_fmod(typval_T *argvars, typval_T *rettv)
-{
-    float_T	fx = 0.0, fy = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &fx) == OK
-				     && get_float_arg(&argvars[1], &fy) == OK)
-	rettv->vval.v_float = fmod(fx, fy);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "fnameescape({string})" function
- */
-    static void
-f_fnameescape(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_string = vim_strsave_fnameescape(
-					   get_tv_string(&argvars[0]), FALSE);
-    rettv->v_type = VAR_STRING;
-}
-
-/*
- * "fnamemodify({fname}, {mods})" function
- */
-    static void
-f_fnamemodify(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*fname;
-    char_u	*mods;
-    int		usedlen = 0;
-    int		len;
-    char_u	*fbuf = NULL;
-    char_u	buf[NUMBUFLEN];
-
-    fname = get_tv_string_chk(&argvars[0]);
-    mods = get_tv_string_buf_chk(&argvars[1], buf);
-    if (fname == NULL || mods == NULL)
-	fname = NULL;
-    else
-    {
-	len = (int)STRLEN(fname);
-	(void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
-    }
-
-    rettv->v_type = VAR_STRING;
-    if (fname == NULL)
-	rettv->vval.v_string = NULL;
-    else
-	rettv->vval.v_string = vim_strnsave(fname, len);
-    vim_free(fbuf);
-}
-
-static void foldclosed_both(typval_T *argvars, typval_T *rettv, int end);
-
-/*
- * "foldclosed()" function
- */
-    static void
-foldclosed_both(
-    typval_T	*argvars UNUSED,
-    typval_T	*rettv,
-    int		end UNUSED)
-{
-#ifdef FEAT_FOLDING
-    linenr_T	lnum;
-    linenr_T	first, last;
-
-    lnum = get_tv_lnum(argvars);
-    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
-    {
-	if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
-	{
-	    if (end)
-		rettv->vval.v_number = (varnumber_T)last;
-	    else
-		rettv->vval.v_number = (varnumber_T)first;
-	    return;
-	}
-    }
-#endif
-    rettv->vval.v_number = -1;
-}
-
-/*
- * "foldclosed()" function
- */
-    static void
-f_foldclosed(typval_T *argvars, typval_T *rettv)
-{
-    foldclosed_both(argvars, rettv, FALSE);
-}
-
-/*
- * "foldclosedend()" function
- */
-    static void
-f_foldclosedend(typval_T *argvars, typval_T *rettv)
-{
-    foldclosed_both(argvars, rettv, TRUE);
-}
-
-/*
- * "foldlevel()" function
- */
-    static void
-f_foldlevel(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_FOLDING
-    linenr_T	lnum;
-
-    lnum = get_tv_lnum(argvars);
-    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
-	rettv->vval.v_number = foldLevel(lnum);
-#endif
-}
-
-/*
- * "foldtext()" function
- */
-    static void
-f_foldtext(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_FOLDING
-    linenr_T	lnum;
-    char_u	*s;
-    char_u	*r;
-    int		len;
-    char	*txt;
-#endif
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-#ifdef FEAT_FOLDING
-    if ((linenr_T)vimvars[VV_FOLDSTART].vv_nr > 0
-	    && (linenr_T)vimvars[VV_FOLDEND].vv_nr
-						 <= curbuf->b_ml.ml_line_count
-	    && vimvars[VV_FOLDDASHES].vv_str != NULL)
-    {
-	/* Find first non-empty line in the fold. */
-	lnum = (linenr_T)vimvars[VV_FOLDSTART].vv_nr;
-	while (lnum < (linenr_T)vimvars[VV_FOLDEND].vv_nr)
-	{
-	    if (!linewhite(lnum))
-		break;
-	    ++lnum;
-	}
-
-	/* Find interesting text in this line. */
-	s = skipwhite(ml_get(lnum));
-	/* skip C comment-start */
-	if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
-	{
-	    s = skipwhite(s + 2);
-	    if (*skipwhite(s) == NUL
-			    && lnum + 1 < (linenr_T)vimvars[VV_FOLDEND].vv_nr)
-	    {
-		s = skipwhite(ml_get(lnum + 1));
-		if (*s == '*')
-		    s = skipwhite(s + 1);
-	    }
-	}
-	txt = _("+-%s%3ld lines: ");
-	r = alloc((unsigned)(STRLEN(txt)
-		    + STRLEN(vimvars[VV_FOLDDASHES].vv_str)    /* for %s */
-		    + 20				    /* for %3ld */
-		    + STRLEN(s)));			    /* concatenated */
-	if (r != NULL)
-	{
-	    sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].vv_str,
-		    (long)((linenr_T)vimvars[VV_FOLDEND].vv_nr
-				- (linenr_T)vimvars[VV_FOLDSTART].vv_nr + 1));
-	    len = (int)STRLEN(r);
-	    STRCAT(r, s);
-	    /* remove 'foldmarker' and 'commentstring' */
-	    foldtext_cleanup(r + len);
-	    rettv->vval.v_string = r;
-	}
-    }
-#endif
-}
-
-/*
- * "foldtextresult(lnum)" function
- */
-    static void
-f_foldtextresult(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_FOLDING
-    linenr_T	lnum;
-    char_u	*text;
-    char_u	buf[51];
-    foldinfo_T  foldinfo;
-    int		fold_count;
-#endif
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-#ifdef FEAT_FOLDING
-    lnum = get_tv_lnum(argvars);
-    /* treat illegal types and illegal string values for {lnum} the same */
-    if (lnum < 0)
-	lnum = 0;
-    fold_count = foldedCount(curwin, lnum, &foldinfo);
-    if (fold_count > 0)
-    {
-	text = get_foldtext(curwin, lnum, lnum + fold_count - 1,
-							      &foldinfo, buf);
-	if (text == buf)
-	    text = vim_strsave(text);
-	rettv->vval.v_string = text;
-    }
-#endif
-}
-
-/*
- * "foreground()" function
- */
-    static void
-f_foreground(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_GUI
-    if (gui.in_use)
-	gui_mch_set_foreground();
-#else
-# ifdef WIN32
-    win32_set_foreground();
-# endif
-#endif
-}
-
-/*
- * "function()" function
- */
-    static void
-f_function(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*s;
-    char_u	*name;
-    int		use_string = FALSE;
-    partial_T   *arg_pt = NULL;
-
-    if (argvars[0].v_type == VAR_FUNC)
-    {
-	/* function(MyFunc, [arg], dict) */
-	s = argvars[0].vval.v_string;
-    }
-    else if (argvars[0].v_type == VAR_PARTIAL
-					 && argvars[0].vval.v_partial != NULL)
-    {
-	/* function(dict.MyFunc, [arg]) */
-	arg_pt = argvars[0].vval.v_partial;
-	s = arg_pt->pt_name;
-    }
-    else
-    {
-	/* function('MyFunc', [arg], dict) */
-	s = get_tv_string(&argvars[0]);
-	use_string = TRUE;
-    }
-
-    if (s == NULL || *s == NUL || (use_string && VIM_ISDIGIT(*s)))
-	EMSG2(_(e_invarg2), s);
-    /* Don't check an autoload name for existence here. */
-    else if (use_string && vim_strchr(s, AUTOLOAD_CHAR) == NULL
-						       && !function_exists(s))
-	EMSG2(_("E700: Unknown function: %s"), s);
-    else
-    {
-	int	dict_idx = 0;
-	int	arg_idx = 0;
-	list_T	*list = NULL;
-
-	if (STRNCMP(s, "s:", 2) == 0 || STRNCMP(s, "<SID>", 5) == 0)
-	{
-	    char	sid_buf[25];
-	    int		off = *s == 's' ? 2 : 5;
-
-	    /* Expand s: and <SID> into <SNR>nr_, so that the function can
-	     * also be called from another script. Using trans_function_name()
-	     * would also work, but some plugins depend on the name being
-	     * printable text. */
-	    sprintf(sid_buf, "<SNR>%ld_", (long)current_SID);
-	    name = alloc((int)(STRLEN(sid_buf) + STRLEN(s + off) + 1));
-	    if (name != NULL)
-	    {
-		STRCPY(name, sid_buf);
-		STRCAT(name, s + off);
-	    }
-	}
-	else
-	    name = vim_strsave(s);
-
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	{
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		/* function(name, [args], dict) */
-		arg_idx = 1;
-		dict_idx = 2;
-	    }
-	    else if (argvars[1].v_type == VAR_DICT)
-		/* function(name, dict) */
-		dict_idx = 1;
-	    else
-		/* function(name, [args]) */
-		arg_idx = 1;
-	    if (dict_idx > 0)
-	    {
-		if (argvars[dict_idx].v_type != VAR_DICT)
-		{
-		    EMSG(_("E922: expected a dict"));
-		    vim_free(name);
-		    return;
-		}
-		if (argvars[dict_idx].vval.v_dict == NULL)
-		    dict_idx = 0;
-	    }
-	    if (arg_idx > 0)
-	    {
-		if (argvars[arg_idx].v_type != VAR_LIST)
-		{
-		    EMSG(_("E923: Second argument of function() must be a list or a dict"));
-		    vim_free(name);
-		    return;
-		}
-		list = argvars[arg_idx].vval.v_list;
-		if (list == NULL || list->lv_len == 0)
-		    arg_idx = 0;
-	    }
-	}
-	if (dict_idx > 0 || arg_idx > 0 || arg_pt != NULL)
-	{
-	    partial_T	*pt = (partial_T *)alloc_clear(sizeof(partial_T));
-
-	    /* result is a VAR_PARTIAL */
-	    if (pt == NULL)
-		vim_free(name);
-	    else
-	    {
-		if (arg_idx > 0 || (arg_pt != NULL && arg_pt->pt_argc > 0))
-		{
-		    listitem_T	*li;
-		    int		i = 0;
-		    int		arg_len = 0;
-		    int		lv_len = 0;
-
-		    if (arg_pt != NULL)
-			arg_len = arg_pt->pt_argc;
-		    if (list != NULL)
-			lv_len = list->lv_len;
-		    pt->pt_argc = arg_len + lv_len;
-		    pt->pt_argv = (typval_T *)alloc(
-					      sizeof(typval_T) * pt->pt_argc);
-		    if (pt->pt_argv == NULL)
-		    {
-			vim_free(pt);
-			vim_free(name);
-			return;
-		    }
-		    else
-		    {
-			for (i = 0; i < arg_len; i++)
-			    copy_tv(&arg_pt->pt_argv[i], &pt->pt_argv[i]);
-			if (lv_len > 0)
-			    for (li = list->lv_first; li != NULL;
-							     li = li->li_next)
-				copy_tv(&li->li_tv, &pt->pt_argv[i++]);
-		    }
-		}
-
-		/* For "function(dict.func, [], dict)" and "func" is a partial
-		 * use "dict".  That is backwards compatible. */
-		if (dict_idx > 0)
-		{
-		    /* The dict is bound explicitly, pt_auto is FALSE. */
-		    pt->pt_dict = argvars[dict_idx].vval.v_dict;
-		    ++pt->pt_dict->dv_refcount;
-		}
-		else if (arg_pt != NULL)
-		{
-		    /* If the dict was bound automatically the result is also
-		     * bound automatically. */
-		    pt->pt_dict = arg_pt->pt_dict;
-		    pt->pt_auto = arg_pt->pt_auto;
-		    if (pt->pt_dict != NULL)
-			++pt->pt_dict->dv_refcount;
-		}
-
-		pt->pt_refcount = 1;
-		pt->pt_name = name;
-		func_ref(pt->pt_name);
-	    }
-	    rettv->v_type = VAR_PARTIAL;
-	    rettv->vval.v_partial = pt;
-	}
-	else
-	{
-	    /* result is a VAR_FUNC */
-	    rettv->v_type = VAR_FUNC;
-	    rettv->vval.v_string = name;
-	    func_ref(name);
-	}
-    }
-}
-
-/*
- * "garbagecollect()" function
- */
-    static void
-f_garbagecollect(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    /* This is postponed until we are back at the toplevel, because we may be
-     * using Lists and Dicts internally.  E.g.: ":echo [garbagecollect()]". */
-    want_garbage_collect = TRUE;
-
-    if (argvars[0].v_type != VAR_UNKNOWN && get_tv_number(&argvars[0]) == 1)
-	garbage_collect_at_exit = TRUE;
-}
-
-/*
- * "get()" function
- */
-    static void
-f_get(typval_T *argvars, typval_T *rettv)
-{
-    listitem_T	*li;
-    list_T	*l;
-    dictitem_T	*di;
-    dict_T	*d;
-    typval_T	*tv = NULL;
-
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	if ((l = argvars[0].vval.v_list) != NULL)
-	{
-	    int		error = FALSE;
-
-	    li = list_find(l, (long)get_tv_number_chk(&argvars[1], &error));
-	    if (!error && li != NULL)
-		tv = &li->li_tv;
-	}
-    }
-    else if (argvars[0].v_type == VAR_DICT)
-    {
-	if ((d = argvars[0].vval.v_dict) != NULL)
-	{
-	    di = dict_find(d, get_tv_string(&argvars[1]), -1);
-	    if (di != NULL)
-		tv = &di->di_tv;
-	}
-    }
-    else if (argvars[0].v_type == VAR_PARTIAL || argvars[0].v_type == VAR_FUNC)
-    {
-	partial_T	*pt;
-	partial_T	fref_pt;
-
-	if (argvars[0].v_type == VAR_PARTIAL)
-	    pt = argvars[0].vval.v_partial;
-	else
-	{
-	    vim_memset(&fref_pt, 0, sizeof(fref_pt));
-	    fref_pt.pt_name = argvars[0].vval.v_string;
-	    pt = &fref_pt;
-	}
-
-	if (pt != NULL)
-	{
-	    char_u *what = get_tv_string(&argvars[1]);
-
-	    if (STRCMP(what, "func") == 0 || STRCMP(what, "name") == 0)
-	    {
-		rettv->v_type = (*what == 'f' ? VAR_FUNC : VAR_STRING);
-		if (pt->pt_name == NULL)
-		    rettv->vval.v_string = NULL;
-		else
-		    rettv->vval.v_string = vim_strsave(pt->pt_name);
-	    }
-	    else if (STRCMP(what, "dict") == 0)
-	    {
-		rettv->v_type = VAR_DICT;
-		rettv->vval.v_dict = pt->pt_dict;
-		if (pt->pt_dict != NULL)
-		    ++pt->pt_dict->dv_refcount;
-	    }
-	    else if (STRCMP(what, "args") == 0)
-	    {
-		rettv->v_type = VAR_LIST;
-		if (rettv_list_alloc(rettv) == OK)
-		{
-		    int i;
-
-		    for (i = 0; i < pt->pt_argc; ++i)
-			list_append_tv(rettv->vval.v_list, &pt->pt_argv[i]);
-		}
-	    }
-	    else
-		EMSG2(_(e_invarg2), what);
-	    return;
-	}
-    }
-    else
-	EMSG2(_(e_listdictarg), "get()");
-
-    if (tv == NULL)
-    {
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    copy_tv(&argvars[2], rettv);
-    }
-    else
-	copy_tv(tv, rettv);
-}
-
-static void get_buffer_lines(buf_T *buf, linenr_T start, linenr_T end, int retlist, typval_T *rettv);
-
-/*
- * Get line or list of lines from buffer "buf" into "rettv".
- * Return a range (from start to end) of lines in rettv from the specified
- * buffer.
- * If 'retlist' is TRUE, then the lines are returned as a Vim List.
- */
-    static void
-get_buffer_lines(
-    buf_T	*buf,
-    linenr_T	start,
-    linenr_T	end,
-    int		retlist,
-    typval_T	*rettv)
-{
-    char_u	*p;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-    if (retlist && rettv_list_alloc(rettv) == FAIL)
-	return;
-
-    if (buf == NULL || buf->b_ml.ml_mfp == NULL || start < 0)
-	return;
-
-    if (!retlist)
-    {
-	if (start >= 1 && start <= buf->b_ml.ml_line_count)
-	    p = ml_get_buf(buf, start, FALSE);
-	else
-	    p = (char_u *)"";
-	rettv->vval.v_string = vim_strsave(p);
-    }
-    else
-    {
-	if (end < start)
-	    return;
-
-	if (start < 1)
-	    start = 1;
-	if (end > buf->b_ml.ml_line_count)
-	    end = buf->b_ml.ml_line_count;
-	while (start <= end)
-	    if (list_append_string(rettv->vval.v_list,
-				 ml_get_buf(buf, start++, FALSE), -1) == FAIL)
-		break;
-    }
-}
-
-/*
- * "getbufline()" function
- */
-    static void
-f_getbufline(typval_T *argvars, typval_T *rettv)
-{
-    linenr_T	lnum;
-    linenr_T	end;
-    buf_T	*buf;
-
-    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
-    ++emsg_off;
-    buf = get_buf_tv(&argvars[0], FALSE);
-    --emsg_off;
-
-    lnum = get_tv_lnum_buf(&argvars[1], buf);
-    if (argvars[2].v_type == VAR_UNKNOWN)
-	end = lnum;
-    else
-	end = get_tv_lnum_buf(&argvars[2], buf);
-
-    get_buffer_lines(buf, lnum, end, TRUE, rettv);
-}
-
-/*
- * "getbufvar()" function
- */
-    static void
-f_getbufvar(typval_T *argvars, typval_T *rettv)
-{
-    buf_T	*buf;
-    buf_T	*save_curbuf;
-    char_u	*varname;
-    dictitem_T	*v;
-    int		done = FALSE;
-
-    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
-    varname = get_tv_string_chk(&argvars[1]);
-    ++emsg_off;
-    buf = get_buf_tv(&argvars[0], FALSE);
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-    if (buf != NULL && varname != NULL)
-    {
-	/* set curbuf to be our buf, temporarily */
-	save_curbuf = curbuf;
-	curbuf = buf;
-
-	if (*varname == '&')	/* buffer-local-option */
-	{
-	    if (get_option_tv(&varname, rettv, TRUE) == OK)
-		done = TRUE;
-	}
-	else if (STRCMP(varname, "changedtick") == 0)
-	{
-	    rettv->v_type = VAR_NUMBER;
-	    rettv->vval.v_number = curbuf->b_changedtick;
-	    done = TRUE;
-	}
-	else
-	{
-	    /* Look up the variable. */
-	    /* Let getbufvar({nr}, "") return the "b:" dictionary. */
-	    v = find_var_in_ht(&curbuf->b_vars->dv_hashtab,
-							 'b', varname, FALSE);
-	    if (v != NULL)
-	    {
-		copy_tv(&v->di_tv, rettv);
-		done = TRUE;
-	    }
-	}
-
-	/* restore previous notion of curbuf */
-	curbuf = save_curbuf;
-    }
-
-    if (!done && argvars[2].v_type != VAR_UNKNOWN)
-	/* use the default value */
-	copy_tv(&argvars[2], rettv);
-
-    --emsg_off;
-}
-
-/*
- * "getchar()" function
- */
-    static void
-f_getchar(typval_T *argvars, typval_T *rettv)
-{
-    varnumber_T		n;
-    int			error = FALSE;
-
-    /* Position the cursor.  Needed after a message that ends in a space. */
-    windgoto(msg_row, msg_col);
-
-    ++no_mapping;
-    ++allow_keys;
-    for (;;)
-    {
-	if (argvars[0].v_type == VAR_UNKNOWN)
-	    /* getchar(): blocking wait. */
-	    n = safe_vgetc();
-	else if (get_tv_number_chk(&argvars[0], &error) == 1)
-	    /* getchar(1): only check if char avail */
-	    n = vpeekc_any();
-	else if (error || vpeekc_any() == NUL)
-	    /* illegal argument or getchar(0) and no char avail: return zero */
-	    n = 0;
-	else
-	    /* getchar(0) and char avail: return char */
-	    n = safe_vgetc();
-
-	if (n == K_IGNORE)
-	    continue;
-	break;
-    }
-    --no_mapping;
-    --allow_keys;
-
-    vimvars[VV_MOUSE_WIN].vv_nr = 0;
-    vimvars[VV_MOUSE_WINID].vv_nr = 0;
-    vimvars[VV_MOUSE_LNUM].vv_nr = 0;
-    vimvars[VV_MOUSE_COL].vv_nr = 0;
-
-    rettv->vval.v_number = n;
-    if (IS_SPECIAL(n) || mod_mask != 0)
-    {
-	char_u		temp[10];   /* modifier: 3, mbyte-char: 6, NUL: 1 */
-	int		i = 0;
-
-	/* Turn a special key into three bytes, plus modifier. */
-	if (mod_mask != 0)
-	{
-	    temp[i++] = K_SPECIAL;
-	    temp[i++] = KS_MODIFIER;
-	    temp[i++] = mod_mask;
-	}
-	if (IS_SPECIAL(n))
-	{
-	    temp[i++] = K_SPECIAL;
-	    temp[i++] = K_SECOND(n);
-	    temp[i++] = K_THIRD(n);
-	}
-#ifdef FEAT_MBYTE
-	else if (has_mbyte)
-	    i += (*mb_char2bytes)(n, temp + i);
-#endif
-	else
-	    temp[i++] = n;
-	temp[i++] = NUL;
-	rettv->v_type = VAR_STRING;
-	rettv->vval.v_string = vim_strsave(temp);
-
-#ifdef FEAT_MOUSE
-	if (is_mouse_key(n))
-	{
-	    int		row = mouse_row;
-	    int		col = mouse_col;
-	    win_T	*win;
-	    linenr_T	lnum;
-# ifdef FEAT_WINDOWS
-	    win_T	*wp;
-# endif
-	    int		winnr = 1;
-
-	    if (row >= 0 && col >= 0)
-	    {
-		/* Find the window at the mouse coordinates and compute the
-		 * text position. */
-		win = mouse_find_win(&row, &col);
-		(void)mouse_comp_pos(win, &row, &col, &lnum);
-# ifdef FEAT_WINDOWS
-		for (wp = firstwin; wp != win; wp = wp->w_next)
-		    ++winnr;
-# endif
-		vimvars[VV_MOUSE_WIN].vv_nr = winnr;
-		vimvars[VV_MOUSE_WINID].vv_nr = win->w_id;
-		vimvars[VV_MOUSE_LNUM].vv_nr = lnum;
-		vimvars[VV_MOUSE_COL].vv_nr = col + 1;
-	    }
-	}
-#endif
-    }
-}
-
-/*
- * "getcharmod()" function
- */
-    static void
-f_getcharmod(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = mod_mask;
-}
-
-/*
- * "getcharsearch()" function
- */
-    static void
-f_getcharsearch(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    if (rettv_dict_alloc(rettv) != FAIL)
-    {
-	dict_T *dict = rettv->vval.v_dict;
-
-	dict_add_nr_str(dict, "char", 0L, last_csearch());
-	dict_add_nr_str(dict, "forward", last_csearch_forward(), NULL);
-	dict_add_nr_str(dict, "until", last_csearch_until(), NULL);
-    }
-}
-
-/*
- * "getcmdline()" function
- */
-    static void
-f_getcmdline(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = get_cmdline_str();
-}
-
-/*
- * "getcmdpos()" function
- */
-    static void
-f_getcmdpos(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = get_cmdline_pos() + 1;
-}
-
-/*
- * "getcmdtype()" function
- */
-    static void
-f_getcmdtype(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = alloc(2);
-    if (rettv->vval.v_string != NULL)
-    {
-	rettv->vval.v_string[0] = get_cmdline_type();
-	rettv->vval.v_string[1] = NUL;
-    }
-}
-
-/*
- * "getcmdwintype()" function
- */
-    static void
-f_getcmdwintype(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-#ifdef FEAT_CMDWIN
-    rettv->vval.v_string = alloc(2);
-    if (rettv->vval.v_string != NULL)
-    {
-	rettv->vval.v_string[0] = cmdwin_type;
-	rettv->vval.v_string[1] = NUL;
-    }
-#endif
-}
-
-#if defined(FEAT_CMDL_COMPL)
-/*
- * "getcompletion()" function
- */
-    static void
-f_getcompletion(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*pat;
-    expand_T	xpc;
-    int		options = WILD_KEEP_ALL | WILD_SILENT | WILD_USE_NL
-					  | WILD_LIST_NOTFOUND | WILD_NO_BEEP;
-
-    if (p_wic)
-	options |= WILD_ICASE;
-
-    ExpandInit(&xpc);
-    xpc.xp_pattern = get_tv_string(&argvars[0]);
-    xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
-    xpc.xp_context = cmdcomplete_str_to_type(get_tv_string(&argvars[1]));
-    if (xpc.xp_context == EXPAND_NOTHING)
-    {
-	if (argvars[1].v_type == VAR_STRING)
-	    EMSG2(_(e_invarg2), argvars[1].vval.v_string);
-	else
-	    EMSG(_(e_invarg));
-	return;
-    }
-
-# if defined(FEAT_MENU)
-    if (xpc.xp_context == EXPAND_MENUS)
-    {
-	set_context_in_menu_cmd(&xpc, (char_u *)"menu", xpc.xp_pattern, FALSE);
-	xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
-    }
-# endif
-
-    pat = addstar(xpc.xp_pattern, xpc.xp_pattern_len, xpc.xp_context);
-    if ((rettv_list_alloc(rettv) != FAIL) && (pat != NULL))
-    {
-	int i;
-
-	ExpandOne(&xpc, pat, NULL, options, WILD_ALL_KEEP);
-
-	for (i = 0; i < xpc.xp_numfiles; i++)
-	    list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
-    }
-    vim_free(pat);
-    ExpandCleanup(&xpc);
-}
-#endif
-
-/*
- * "getcwd()" function
- */
-    static void
-f_getcwd(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*wp = NULL;
-    char_u	*cwd;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-    wp = find_tabwin(&argvars[0], &argvars[1]);
-    if (wp != NULL)
-    {
-	if (wp->w_localdir != NULL)
-	    rettv->vval.v_string = vim_strsave(wp->w_localdir);
-	else if (globaldir != NULL)
-	    rettv->vval.v_string = vim_strsave(globaldir);
-	else
-	{
-	    cwd = alloc(MAXPATHL);
-	    if (cwd != NULL)
-	    {
-		if (mch_dirname(cwd, MAXPATHL) != FAIL)
-		    rettv->vval.v_string = vim_strsave(cwd);
-		vim_free(cwd);
-	    }
-	}
-#ifdef BACKSLASH_IN_FILENAME
-	if (rettv->vval.v_string != NULL)
-	    slash_adjust(rettv->vval.v_string);
-#endif
-    }
-}
-
-/*
- * "getfontname()" function
- */
-    static void
-f_getfontname(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-#ifdef FEAT_GUI
-    if (gui.in_use)
-    {
-	GuiFont font;
-	char_u	*name = NULL;
-
-	if (argvars[0].v_type == VAR_UNKNOWN)
-	{
-	    /* Get the "Normal" font.  Either the name saved by
-	     * hl_set_font_name() or from the font ID. */
-	    font = gui.norm_font;
-	    name = hl_get_font_name();
-	}
-	else
-	{
-	    name = get_tv_string(&argvars[0]);
-	    if (STRCMP(name, "*") == 0)	    /* don't use font dialog */
-		return;
-	    font = gui_mch_get_font(name, FALSE);
-	    if (font == NOFONT)
-		return;	    /* Invalid font name, return empty string. */
-	}
-	rettv->vval.v_string = gui_mch_get_fontname(font, name);
-	if (argvars[0].v_type != VAR_UNKNOWN)
-	    gui_mch_free_font(font);
-    }
-#endif
-}
-
-/*
- * "getfperm({fname})" function
- */
-    static void
-f_getfperm(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*fname;
-    stat_T	st;
-    char_u	*perm = NULL;
-    char_u	flags[] = "rwx";
-    int		i;
-
-    fname = get_tv_string(&argvars[0]);
-
-    rettv->v_type = VAR_STRING;
-    if (mch_stat((char *)fname, &st) >= 0)
-    {
-	perm = vim_strsave((char_u *)"---------");
-	if (perm != NULL)
-	{
-	    for (i = 0; i < 9; i++)
-	    {
-		if (st.st_mode & (1 << (8 - i)))
-		    perm[i] = flags[i % 3];
-	    }
-	}
-    }
-    rettv->vval.v_string = perm;
-}
-
-/*
- * "getfsize({fname})" function
- */
-    static void
-f_getfsize(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*fname;
-    stat_T	st;
-
-    fname = get_tv_string(&argvars[0]);
-
-    rettv->v_type = VAR_NUMBER;
-
-    if (mch_stat((char *)fname, &st) >= 0)
-    {
-	if (mch_isdir(fname))
-	    rettv->vval.v_number = 0;
-	else
-	{
-	    rettv->vval.v_number = (varnumber_T)st.st_size;
-
-	    /* non-perfect check for overflow */
-	    if ((off_T)rettv->vval.v_number != (off_T)st.st_size)
-		rettv->vval.v_number = -2;
-	}
-    }
-    else
-	  rettv->vval.v_number = -1;
-}
-
-/*
- * "getftime({fname})" function
- */
-    static void
-f_getftime(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*fname;
-    stat_T	st;
-
-    fname = get_tv_string(&argvars[0]);
-
-    if (mch_stat((char *)fname, &st) >= 0)
-	rettv->vval.v_number = (varnumber_T)st.st_mtime;
-    else
-	rettv->vval.v_number = -1;
-}
-
-/*
- * "getftype({fname})" function
- */
-    static void
-f_getftype(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*fname;
-    stat_T	st;
-    char_u	*type = NULL;
-    char	*t;
-
-    fname = get_tv_string(&argvars[0]);
-
-    rettv->v_type = VAR_STRING;
-    if (mch_lstat((char *)fname, &st) >= 0)
-    {
-#ifdef S_ISREG
-	if (S_ISREG(st.st_mode))
-	    t = "file";
-	else if (S_ISDIR(st.st_mode))
-	    t = "dir";
-# ifdef S_ISLNK
-	else if (S_ISLNK(st.st_mode))
-	    t = "link";
-# endif
-# ifdef S_ISBLK
-	else if (S_ISBLK(st.st_mode))
-	    t = "bdev";
-# endif
-# ifdef S_ISCHR
-	else if (S_ISCHR(st.st_mode))
-	    t = "cdev";
-# endif
-# ifdef S_ISFIFO
-	else if (S_ISFIFO(st.st_mode))
-	    t = "fifo";
-# endif
-# ifdef S_ISSOCK
-	else if (S_ISSOCK(st.st_mode))
-	    t = "fifo";
-# endif
-	else
-	    t = "other";
-#else
-# ifdef S_IFMT
-	switch (st.st_mode & S_IFMT)
-	{
-	    case S_IFREG: t = "file"; break;
-	    case S_IFDIR: t = "dir"; break;
-#  ifdef S_IFLNK
-	    case S_IFLNK: t = "link"; break;
-#  endif
-#  ifdef S_IFBLK
-	    case S_IFBLK: t = "bdev"; break;
-#  endif
-#  ifdef S_IFCHR
-	    case S_IFCHR: t = "cdev"; break;
-#  endif
-#  ifdef S_IFIFO
-	    case S_IFIFO: t = "fifo"; break;
-#  endif
-#  ifdef S_IFSOCK
-	    case S_IFSOCK: t = "socket"; break;
-#  endif
-	    default: t = "other";
-	}
-# else
-	if (mch_isdir(fname))
-	    t = "dir";
-	else
-	    t = "file";
-# endif
-#endif
-	type = vim_strsave((char_u *)t);
-    }
-    rettv->vval.v_string = type;
-}
-
-/*
- * "getline(lnum, [end])" function
- */
-    static void
-f_getline(typval_T *argvars, typval_T *rettv)
-{
-    linenr_T	lnum;
-    linenr_T	end;
-    int		retlist;
-
-    lnum = get_tv_lnum(argvars);
-    if (argvars[1].v_type == VAR_UNKNOWN)
-    {
-	end = 0;
-	retlist = FALSE;
-    }
-    else
-    {
-	end = get_tv_lnum(&argvars[1]);
-	retlist = TRUE;
-    }
-
-    get_buffer_lines(curbuf, lnum, end, retlist, rettv);
-}
-
-/*
- * "getmatches()" function
- */
-    static void
-f_getmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_SEARCH_EXTRA
-    dict_T	*dict;
-    matchitem_T	*cur = curwin->w_match_head;
-    int		i;
-
-    if (rettv_list_alloc(rettv) == OK)
-    {
-	while (cur != NULL)
-	{
-	    dict = dict_alloc();
-	    if (dict == NULL)
-		return;
-	    if (cur->match.regprog == NULL)
-	    {
-		/* match added with matchaddpos() */
-		for (i = 0; i < MAXPOSMATCH; ++i)
-		{
-		    llpos_T	*llpos;
-		    char	buf[6];
-		    list_T	*l;
-
-		    llpos = &cur->pos.pos[i];
-		    if (llpos->lnum == 0)
-			break;
-		    l = list_alloc();
-		    if (l == NULL)
-			break;
-		    list_append_number(l, (varnumber_T)llpos->lnum);
-		    if (llpos->col > 0)
-		    {
-			list_append_number(l, (varnumber_T)llpos->col);
-			list_append_number(l, (varnumber_T)llpos->len);
-		    }
-		    sprintf(buf, "pos%d", i + 1);
-		    dict_add_list(dict, buf, l);
-		}
-	    }
-	    else
-	    {
-		dict_add_nr_str(dict, "pattern", 0L, cur->pattern);
-	    }
-	    dict_add_nr_str(dict, "group", 0L, syn_id2name(cur->hlg_id));
-	    dict_add_nr_str(dict, "priority", (long)cur->priority, NULL);
-	    dict_add_nr_str(dict, "id", (long)cur->id, NULL);
-# if defined(FEAT_CONCEAL) && defined(FEAT_MBYTE)
-	    if (cur->conceal_char)
-	    {
-		char_u buf[MB_MAXBYTES + 1];
-
-		buf[(*mb_char2bytes)((int)cur->conceal_char, buf)] = NUL;
-		dict_add_nr_str(dict, "conceal", 0L, (char_u *)&buf);
-	    }
-# endif
-	    list_append_dict(rettv->vval.v_list, dict);
-	    cur = cur->next;
-	}
-    }
-#endif
-}
-
-/*
- * "getpid()" function
- */
-    static void
-f_getpid(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = mch_get_pid();
-}
-
-    static void
-getpos_both(
-    typval_T	*argvars,
-    typval_T	*rettv,
-    int		getcurpos)
-{
-    pos_T	*fp;
-    list_T	*l;
-    int		fnum = -1;
-
-    if (rettv_list_alloc(rettv) == OK)
-    {
-	l = rettv->vval.v_list;
-	if (getcurpos)
-	    fp = &curwin->w_cursor;
-	else
-	    fp = var2fpos(&argvars[0], TRUE, &fnum);
-	if (fnum != -1)
-	    list_append_number(l, (varnumber_T)fnum);
-	else
-	    list_append_number(l, (varnumber_T)0);
-	list_append_number(l, (fp != NULL) ? (varnumber_T)fp->lnum
-							    : (varnumber_T)0);
-	list_append_number(l, (fp != NULL)
-		     ? (varnumber_T)(fp->col == MAXCOL ? MAXCOL : fp->col + 1)
-							    : (varnumber_T)0);
-	list_append_number(l,
-#ifdef FEAT_VIRTUALEDIT
-				(fp != NULL) ? (varnumber_T)fp->coladd :
-#endif
-							      (varnumber_T)0);
-	if (getcurpos)
-	{
-	    update_curswant();
-	    list_append_number(l, curwin->w_curswant == MAXCOL ?
-		    (varnumber_T)MAXCOL : (varnumber_T)curwin->w_curswant + 1);
-	}
-    }
-    else
-	rettv->vval.v_number = FALSE;
-}
-
-
-/*
- * "getcurpos()" function
- */
-    static void
-f_getcurpos(typval_T *argvars, typval_T *rettv)
-{
-    getpos_both(argvars, rettv, TRUE);
-}
-
-/*
- * "getpos(string)" function
- */
-    static void
-f_getpos(typval_T *argvars, typval_T *rettv)
-{
-    getpos_both(argvars, rettv, FALSE);
-}
-
-/*
- * "getqflist()" and "getloclist()" functions
- */
-    static void
-f_getqflist(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_QUICKFIX
-    win_T	*wp;
-#endif
-
-#ifdef FEAT_QUICKFIX
-    if (rettv_list_alloc(rettv) == OK)
-    {
-	wp = NULL;
-	if (argvars[0].v_type != VAR_UNKNOWN)	/* getloclist() */
-	{
-	    wp = find_win_by_nr(&argvars[0], NULL);
-	    if (wp == NULL)
-		return;
-	}
-
-	(void)get_errorlist(wp, rettv->vval.v_list);
-    }
-#endif
-}
-
-/*
- * "getreg()" function
- */
-    static void
-f_getreg(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*strregname;
-    int		regname;
-    int		arg2 = FALSE;
-    int		return_list = FALSE;
-    int		error = FALSE;
-
-    if (argvars[0].v_type != VAR_UNKNOWN)
-    {
-	strregname = get_tv_string_chk(&argvars[0]);
-	error = strregname == NULL;
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	{
-	    arg2 = (int)get_tv_number_chk(&argvars[1], &error);
-	    if (!error && argvars[2].v_type != VAR_UNKNOWN)
-		return_list = (int)get_tv_number_chk(&argvars[2], &error);
-	}
-    }
-    else
-	strregname = vimvars[VV_REG].vv_str;
-
-    if (error)
-	return;
-
-    regname = (strregname == NULL ? '"' : *strregname);
-    if (regname == 0)
-	regname = '"';
-
-    if (return_list)
-    {
-	rettv->v_type = VAR_LIST;
-	rettv->vval.v_list = (list_T *)get_reg_contents(regname,
-				      (arg2 ? GREG_EXPR_SRC : 0) | GREG_LIST);
-	if (rettv->vval.v_list == NULL)
-	    (void)rettv_list_alloc(rettv);
-	else
-	    ++rettv->vval.v_list->lv_refcount;
-    }
-    else
-    {
-	rettv->v_type = VAR_STRING;
-	rettv->vval.v_string = get_reg_contents(regname,
-						    arg2 ? GREG_EXPR_SRC : 0);
-    }
-}
-
-/*
- * "getregtype()" function
- */
-    static void
-f_getregtype(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*strregname;
-    int		regname;
-    char_u	buf[NUMBUFLEN + 2];
-    long	reglen = 0;
-
-    if (argvars[0].v_type != VAR_UNKNOWN)
-    {
-	strregname = get_tv_string_chk(&argvars[0]);
-	if (strregname == NULL)	    /* type error; errmsg already given */
-	{
-	    rettv->v_type = VAR_STRING;
-	    rettv->vval.v_string = NULL;
-	    return;
-	}
-    }
-    else
-	/* Default to v:register */
-	strregname = vimvars[VV_REG].vv_str;
-
-    regname = (strregname == NULL ? '"' : *strregname);
-    if (regname == 0)
-	regname = '"';
-
-    buf[0] = NUL;
-    buf[1] = NUL;
-    switch (get_reg_type(regname, &reglen))
-    {
-	case MLINE: buf[0] = 'V'; break;
-	case MCHAR: buf[0] = 'v'; break;
-	case MBLOCK:
-		buf[0] = Ctrl_V;
-		sprintf((char *)buf + 1, "%ld", reglen + 1);
-		break;
-    }
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = vim_strsave(buf);
-}
-
-/*
- * "gettabvar()" function
- */
-    static void
-f_gettabvar(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*oldcurwin;
-    tabpage_T	*tp, *oldtabpage;
-    dictitem_T	*v;
-    char_u	*varname;
-    int		done = FALSE;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-    varname = get_tv_string_chk(&argvars[1]);
-    tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
-    if (tp != NULL && varname != NULL)
-    {
-	/* Set tp to be our tabpage, temporarily.  Also set the window to the
-	 * first window in the tabpage, otherwise the window is not valid. */
-	if (switch_win(&oldcurwin, &oldtabpage,
-		    tp->tp_firstwin == NULL ? firstwin : tp->tp_firstwin, tp, TRUE)
-									== OK)
-	{
-	    /* look up the variable */
-	    /* Let gettabvar({nr}, "") return the "t:" dictionary. */
-	    v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 't', varname, FALSE);
-	    if (v != NULL)
-	    {
-		copy_tv(&v->di_tv, rettv);
-		done = TRUE;
-	    }
-	}
-
-	/* restore previous notion of curwin */
-	restore_win(oldcurwin, oldtabpage, TRUE);
-    }
-
-    if (!done && argvars[2].v_type != VAR_UNKNOWN)
-	copy_tv(&argvars[2], rettv);
-}
-
-/*
- * "gettabwinvar()" function
- */
-    static void
-f_gettabwinvar(typval_T *argvars, typval_T *rettv)
-{
-    getwinvar(argvars, rettv, 1);
-}
-
-/*
- * "getwinposx()" function
- */
-    static void
-f_getwinposx(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = -1;
-#ifdef FEAT_GUI
-    if (gui.in_use)
-    {
-	int	    x, y;
-
-	if (gui_mch_get_winpos(&x, &y) == OK)
-	    rettv->vval.v_number = x;
-    }
-#endif
-}
-
-/*
- * "win_findbuf()" function
- */
-    static void
-f_win_findbuf(typval_T *argvars, typval_T *rettv)
-{
-    if (rettv_list_alloc(rettv) != FAIL)
-	win_findbuf(argvars, rettv->vval.v_list);
-}
-
-/*
- * "win_getid()" function
- */
-    static void
-f_win_getid(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = win_getid(argvars);
-}
-
-/*
- * "win_gotoid()" function
- */
-    static void
-f_win_gotoid(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = win_gotoid(argvars);
-}
-
-/*
- * "win_id2tabwin()" function
- */
-    static void
-f_win_id2tabwin(typval_T *argvars, typval_T *rettv)
-{
-    if (rettv_list_alloc(rettv) != FAIL)
-	win_id2tabwin(argvars, rettv->vval.v_list);
-}
-
-/*
- * "win_id2win()" function
- */
-    static void
-f_win_id2win(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = win_id2win(argvars);
-}
-
-/*
- * "getwinposy()" function
- */
-    static void
-f_getwinposy(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = -1;
-#ifdef FEAT_GUI
-    if (gui.in_use)
-    {
-	int	    x, y;
-
-	if (gui_mch_get_winpos(&x, &y) == OK)
-	    rettv->vval.v_number = y;
-    }
-#endif
-}
-
-/*
- * Find window specified by "vp" in tabpage "tp".
- */
-    static win_T *
-find_win_by_nr(
-    typval_T	*vp,
-    tabpage_T	*tp UNUSED)	/* NULL for current tab page */
-{
-#ifdef FEAT_WINDOWS
-    win_T	*wp;
-#endif
-    int		nr;
-
-    nr = (int)get_tv_number_chk(vp, NULL);
-
-#ifdef FEAT_WINDOWS
-    if (nr < 0)
-	return NULL;
-    if (nr == 0)
-	return curwin;
-
-    for (wp = (tp == NULL || tp == curtab) ? firstwin : tp->tp_firstwin;
-						  wp != NULL; wp = wp->w_next)
-	if (nr >= LOWEST_WIN_ID)
-	{
-	    if (wp->w_id == nr)
-		return wp;
-	}
-	else if (--nr <= 0)
-	    break;
-    if (nr >= LOWEST_WIN_ID)
-	return NULL;
-    return wp;
-#else
-    if (nr == 0 || nr == 1 || nr == curwin->w_id)
-	return curwin;
-    return NULL;
-#endif
-}
-
-/*
- * Find window specified by "wvp" in tabpage "tvp".
- */
-    static win_T *
-find_tabwin(
-    typval_T	*wvp,	/* VAR_UNKNOWN for current window */
-    typval_T	*tvp)	/* VAR_UNKNOWN for current tab page */
-{
-    win_T	*wp = NULL;
-    tabpage_T	*tp = NULL;
-    long	n;
-
-    if (wvp->v_type != VAR_UNKNOWN)
-    {
-	if (tvp->v_type != VAR_UNKNOWN)
-	{
-	    n = (long)get_tv_number(tvp);
-	    if (n >= 0)
-		tp = find_tabpage(n);
-	}
-	else
-	    tp = curtab;
-
-	if (tp != NULL)
-	    wp = find_win_by_nr(wvp, tp);
-    }
-    else
-	wp = curwin;
-
-    return wp;
-}
-
-/*
- * "getwinvar()" function
- */
-    static void
-f_getwinvar(typval_T *argvars, typval_T *rettv)
-{
-    getwinvar(argvars, rettv, 0);
-}
-
-/*
- * getwinvar() and gettabwinvar()
- */
-    static void
-getwinvar(
-    typval_T	*argvars,
-    typval_T	*rettv,
-    int		off)	    /* 1 for gettabwinvar() */
-{
-    win_T	*win;
-    char_u	*varname;
-    dictitem_T	*v;
-    tabpage_T	*tp = NULL;
-    int		done = FALSE;
-#ifdef FEAT_WINDOWS
-    win_T	*oldcurwin;
-    tabpage_T	*oldtabpage;
-    int		need_switch_win;
-#endif
-
-#ifdef FEAT_WINDOWS
-    if (off == 1)
-	tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
-    else
-	tp = curtab;
-#endif
-    win = find_win_by_nr(&argvars[off], tp);
-    varname = get_tv_string_chk(&argvars[off + 1]);
-    ++emsg_off;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-    if (win != NULL && varname != NULL)
-    {
-#ifdef FEAT_WINDOWS
-	/* Set curwin to be our win, temporarily.  Also set the tabpage,
-	 * otherwise the window is not valid. Only do this when needed,
-	 * autocommands get blocked. */
-	need_switch_win = !(tp == curtab && win == curwin);
-	if (!need_switch_win
-		  || switch_win(&oldcurwin, &oldtabpage, win, tp, TRUE) == OK)
-#endif
-	{
-	    if (*varname == '&')	/* window-local-option */
-	    {
-		if (get_option_tv(&varname, rettv, 1) == OK)
-		    done = TRUE;
-	    }
-	    else
-	    {
-		/* Look up the variable. */
-		/* Let getwinvar({nr}, "") return the "w:" dictionary. */
-		v = find_var_in_ht(&win->w_vars->dv_hashtab, 'w',
-							      varname, FALSE);
-		if (v != NULL)
-		{
-		    copy_tv(&v->di_tv, rettv);
-		    done = TRUE;
-		}
-	    }
-	}
-
-#ifdef FEAT_WINDOWS
-	if (need_switch_win)
-	    /* restore previous notion of curwin */
-	    restore_win(oldcurwin, oldtabpage, TRUE);
-#endif
-    }
-
-    if (!done && argvars[off + 2].v_type != VAR_UNKNOWN)
-	/* use the default return value */
-	copy_tv(&argvars[off + 2], rettv);
-
-    --emsg_off;
-}
-
-/*
- * "glob()" function
- */
-    static void
-f_glob(typval_T *argvars, typval_T *rettv)
-{
-    int		options = WILD_SILENT|WILD_USE_NL;
-    expand_T	xpc;
-    int		error = FALSE;
-
-    /* When the optional second argument is non-zero, don't remove matches
-     * for 'wildignore' and don't put matches for 'suffixes' at the end. */
-    rettv->v_type = VAR_STRING;
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	if (get_tv_number_chk(&argvars[1], &error))
-	    options |= WILD_KEEP_ALL;
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	{
-	    if (get_tv_number_chk(&argvars[2], &error))
-	    {
-		rettv->v_type = VAR_LIST;
-		rettv->vval.v_list = NULL;
-	    }
-	    if (argvars[3].v_type != VAR_UNKNOWN
-				    && get_tv_number_chk(&argvars[3], &error))
-		options |= WILD_ALLLINKS;
-	}
-    }
-    if (!error)
-    {
-	ExpandInit(&xpc);
-	xpc.xp_context = EXPAND_FILES;
-	if (p_wic)
-	    options += WILD_ICASE;
-	if (rettv->v_type == VAR_STRING)
-	    rettv->vval.v_string = ExpandOne(&xpc, get_tv_string(&argvars[0]),
-						     NULL, options, WILD_ALL);
-	else if (rettv_list_alloc(rettv) != FAIL)
-	{
-	  int i;
-
-	  ExpandOne(&xpc, get_tv_string(&argvars[0]),
-						NULL, options, WILD_ALL_KEEP);
-	  for (i = 0; i < xpc.xp_numfiles; i++)
-	      list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
-
-	  ExpandCleanup(&xpc);
-	}
-    }
-    else
-	rettv->vval.v_string = NULL;
-}
-
-/*
- * "globpath()" function
- */
-    static void
-f_globpath(typval_T *argvars, typval_T *rettv)
-{
-    int		flags = 0;
-    char_u	buf1[NUMBUFLEN];
-    char_u	*file = get_tv_string_buf_chk(&argvars[1], buf1);
-    int		error = FALSE;
-    garray_T	ga;
-    int		i;
-
-    /* When the optional second argument is non-zero, don't remove matches
-    * for 'wildignore' and don't put matches for 'suffixes' at the end. */
-    rettv->v_type = VAR_STRING;
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	if (get_tv_number_chk(&argvars[2], &error))
-	    flags |= WILD_KEEP_ALL;
-	if (argvars[3].v_type != VAR_UNKNOWN)
-	{
-	    if (get_tv_number_chk(&argvars[3], &error))
-	    {
-		rettv->v_type = VAR_LIST;
-		rettv->vval.v_list = NULL;
-	    }
-	    if (argvars[4].v_type != VAR_UNKNOWN
-				    && get_tv_number_chk(&argvars[4], &error))
-		flags |= WILD_ALLLINKS;
-	}
-    }
-    if (file != NULL && !error)
-    {
-	ga_init2(&ga, (int)sizeof(char_u *), 10);
-	globpath(get_tv_string(&argvars[0]), file, &ga, flags);
-	if (rettv->v_type == VAR_STRING)
-	    rettv->vval.v_string = ga_concat_strings(&ga, "\n");
-	else if (rettv_list_alloc(rettv) != FAIL)
-	    for (i = 0; i < ga.ga_len; ++i)
-		list_append_string(rettv->vval.v_list,
-					    ((char_u **)(ga.ga_data))[i], -1);
-	ga_clear_strings(&ga);
-    }
-    else
-	rettv->vval.v_string = NULL;
-}
-
-/*
- * "glob2regpat()" function
- */
-    static void
-f_glob2regpat(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*pat = get_tv_string_chk(&argvars[0]);
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = (pat == NULL)
-			 ? NULL : file_pat_to_reg_pat(pat, NULL, NULL, FALSE);
-}
-
-/*
- * "has()" function
- */
-    static void
-f_has(typval_T *argvars, typval_T *rettv)
-{
-    int		i;
-    char_u	*name;
-    int		n = FALSE;
-    static char	*(has_list[]) =
-    {
-#ifdef AMIGA
-	"amiga",
-# ifdef FEAT_ARP
-	"arp",
-# endif
-#endif
-#ifdef __BEOS__
-	"beos",
-#endif
-#ifdef MACOS
-	"mac",
-#endif
-#if defined(MACOS_X_UNIX)
-	"macunix",  /* built with 'darwin' enabled */
-#endif
-#if defined(__APPLE__) && __APPLE__ == 1
-	"osx",	    /* built with or without 'darwin' enabled */
-#endif
-#ifdef __QNX__
-	"qnx",
-#endif
-#ifdef UNIX
-	"unix",
-#endif
-#ifdef VMS
-	"vms",
-#endif
-#ifdef WIN32
-	"win32",
-#endif
-#if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
-	"win32unix",
-#endif
-#if defined(WIN64) || defined(_WIN64)
-	"win64",
-#endif
-#ifdef EBCDIC
-	"ebcdic",
-#endif
-#ifndef CASE_INSENSITIVE_FILENAME
-	"fname_case",
-#endif
-#ifdef HAVE_ACL
-	"acl",
-#endif
-#ifdef FEAT_ARABIC
-	"arabic",
-#endif
-#ifdef FEAT_AUTOCMD
-	"autocmd",
-#endif
-#ifdef FEAT_BEVAL
-	"balloon_eval",
-# ifndef FEAT_GUI_W32 /* other GUIs always have multiline balloons */
-	"balloon_multiline",
-# endif
-#endif
-#if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
-	"builtin_terms",
-# ifdef ALL_BUILTIN_TCAPS
-	"all_builtin_terms",
-# endif
-#endif
-#if defined(FEAT_BROWSE) && (defined(USE_FILE_CHOOSER) \
-	|| defined(FEAT_GUI_W32) \
-	|| defined(FEAT_GUI_MOTIF))
-	"browsefilter",
-#endif
-#ifdef FEAT_BYTEOFF
-	"byte_offset",
-#endif
-#ifdef FEAT_JOB_CHANNEL
-	"channel",
-#endif
-#ifdef FEAT_CINDENT
-	"cindent",
-#endif
-#ifdef FEAT_CLIENTSERVER
-	"clientserver",
-#endif
-#ifdef FEAT_CLIPBOARD
-	"clipboard",
-#endif
-#ifdef FEAT_CMDL_COMPL
-	"cmdline_compl",
-#endif
-#ifdef FEAT_CMDHIST
-	"cmdline_hist",
-#endif
-#ifdef FEAT_COMMENTS
-	"comments",
-#endif
-#ifdef FEAT_CONCEAL
-	"conceal",
-#endif
-#ifdef FEAT_CRYPT
-	"cryptv",
-	"crypt-blowfish",
-	"crypt-blowfish2",
-#endif
-#ifdef FEAT_CSCOPE
-	"cscope",
-#endif
-#ifdef FEAT_CURSORBIND
-	"cursorbind",
-#endif
-#ifdef CURSOR_SHAPE
-	"cursorshape",
-#endif
-#ifdef DEBUG
-	"debug",
-#endif
-#ifdef FEAT_CON_DIALOG
-	"dialog_con",
-#endif
-#ifdef FEAT_GUI_DIALOG
-	"dialog_gui",
-#endif
-#ifdef FEAT_DIFF
-	"diff",
-#endif
-#ifdef FEAT_DIGRAPHS
-	"digraphs",
-#endif
-#ifdef FEAT_DIRECTX
-	"directx",
-#endif
-#ifdef FEAT_DND
-	"dnd",
-#endif
-#ifdef FEAT_EMACS_TAGS
-	"emacs_tags",
-#endif
-	"eval",	    /* always present, of course! */
-	"ex_extra", /* graduated feature */
-#ifdef FEAT_SEARCH_EXTRA
-	"extra_search",
-#endif
-#ifdef FEAT_FKMAP
-	"farsi",
-#endif
-#ifdef FEAT_SEARCHPATH
-	"file_in_path",
-#endif
-#ifdef FEAT_FILTERPIPE
-	"filterpipe",
-#endif
-#ifdef FEAT_FIND_ID
-	"find_in_path",
-#endif
-#ifdef FEAT_FLOAT
-	"float",
-#endif
-#ifdef FEAT_FOLDING
-	"folding",
-#endif
-#ifdef FEAT_FOOTER
-	"footer",
-#endif
-#if !defined(USE_SYSTEM) && defined(UNIX)
-	"fork",
-#endif
-#ifdef FEAT_GETTEXT
-	"gettext",
-#endif
-#ifdef FEAT_GUI
-	"gui",
-#endif
-#ifdef FEAT_GUI_ATHENA
-# ifdef FEAT_GUI_NEXTAW
-	"gui_neXtaw",
-# else
-	"gui_athena",
-# endif
-#endif
-#ifdef FEAT_GUI_GTK
-	"gui_gtk",
-# ifdef USE_GTK3
-	"gui_gtk3",
-# else
-	"gui_gtk2",
-# endif
-#endif
-#ifdef FEAT_GUI_GNOME
-	"gui_gnome",
-#endif
-#ifdef FEAT_GUI_MAC
-	"gui_mac",
-#endif
-#ifdef FEAT_GUI_MOTIF
-	"gui_motif",
-#endif
-#ifdef FEAT_GUI_PHOTON
-	"gui_photon",
-#endif
-#ifdef FEAT_GUI_W32
-	"gui_win32",
-#endif
-#ifdef FEAT_HANGULIN
-	"hangul_input",
-#endif
-#if defined(HAVE_ICONV_H) && defined(USE_ICONV)
-	"iconv",
-#endif
-#ifdef FEAT_INS_EXPAND
-	"insert_expand",
-#endif
-#ifdef FEAT_JOB_CHANNEL
-	"job",
-#endif
-#ifdef FEAT_JUMPLIST
-	"jumplist",
-#endif
-#ifdef FEAT_KEYMAP
-	"keymap",
-#endif
-#ifdef FEAT_LANGMAP
-	"langmap",
-#endif
-#ifdef FEAT_LIBCALL
-	"libcall",
-#endif
-#ifdef FEAT_LINEBREAK
-	"linebreak",
-#endif
-#ifdef FEAT_LISP
-	"lispindent",
-#endif
-#ifdef FEAT_LISTCMDS
-	"listcmds",
-#endif
-#ifdef FEAT_LOCALMAP
-	"localmap",
-#endif
-#ifdef FEAT_LUA
-# ifndef DYNAMIC_LUA
-	"lua",
-# endif
-#endif
-#ifdef FEAT_MENU
-	"menu",
-#endif
-#ifdef FEAT_SESSION
-	"mksession",
-#endif
-#ifdef FEAT_MODIFY_FNAME
-	"modify_fname",
-#endif
-#ifdef FEAT_MOUSE
-	"mouse",
-#endif
-#ifdef FEAT_MOUSESHAPE
-	"mouseshape",
-#endif
-#if defined(UNIX) || defined(VMS)
-# ifdef FEAT_MOUSE_DEC
-	"mouse_dec",
-# endif
-# ifdef FEAT_MOUSE_GPM
-	"mouse_gpm",
-# endif
-# ifdef FEAT_MOUSE_JSB
-	"mouse_jsbterm",
-# endif
-# ifdef FEAT_MOUSE_NET
-	"mouse_netterm",
-# endif
-# ifdef FEAT_MOUSE_PTERM
-	"mouse_pterm",
-# endif
-# ifdef FEAT_MOUSE_SGR
-	"mouse_sgr",
-# endif
-# ifdef FEAT_SYSMOUSE
-	"mouse_sysmouse",
-# endif
-# ifdef FEAT_MOUSE_URXVT
-	"mouse_urxvt",
-# endif
-# ifdef FEAT_MOUSE_XTERM
-	"mouse_xterm",
-# endif
-#endif
-#ifdef FEAT_MBYTE
-	"multi_byte",
-#endif
-#ifdef FEAT_MBYTE_IME
-	"multi_byte_ime",
-#endif
-#ifdef FEAT_MULTI_LANG
-	"multi_lang",
-#endif
-#ifdef FEAT_MZSCHEME
-#ifndef DYNAMIC_MZSCHEME
-	"mzscheme",
-#endif
-#endif
-#ifdef FEAT_NUM64
-	"num64",
-#endif
-#ifdef FEAT_OLE
-	"ole",
-#endif
-	"packages",
-#ifdef FEAT_PATH_EXTRA
-	"path_extra",
-#endif
-#ifdef FEAT_PERL
-#ifndef DYNAMIC_PERL
-	"perl",
-#endif
-#endif
-#ifdef FEAT_PERSISTENT_UNDO
-	"persistent_undo",
-#endif
-#ifdef FEAT_PYTHON
-#ifndef DYNAMIC_PYTHON
-	"python",
-#endif
-#endif
-#ifdef FEAT_PYTHON3
-#ifndef DYNAMIC_PYTHON3
-	"python3",
-#endif
-#endif
-#ifdef FEAT_POSTSCRIPT
-	"postscript",
-#endif
-#ifdef FEAT_PRINTER
-	"printer",
-#endif
-#ifdef FEAT_PROFILE
-	"profile",
-#endif
-#ifdef FEAT_RELTIME
-	"reltime",
-#endif
-#ifdef FEAT_QUICKFIX
-	"quickfix",
-#endif
-#ifdef FEAT_RIGHTLEFT
-	"rightleft",
-#endif
-#if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
-	"ruby",
-#endif
-#ifdef FEAT_SCROLLBIND
-	"scrollbind",
-#endif
-#ifdef FEAT_CMDL_INFO
-	"showcmd",
-	"cmdline_info",
-#endif
-#ifdef FEAT_SIGNS
-	"signs",
-#endif
-#ifdef FEAT_SMARTINDENT
-	"smartindent",
-#endif
-#ifdef STARTUPTIME
-	"startuptime",
-#endif
-#ifdef FEAT_STL_OPT
-	"statusline",
-#endif
-#ifdef FEAT_SUN_WORKSHOP
-	"sun_workshop",
-#endif
-#ifdef FEAT_NETBEANS_INTG
-	"netbeans_intg",
-#endif
-#ifdef FEAT_SPELL
-	"spell",
-#endif
-#ifdef FEAT_SYN_HL
-	"syntax",
-#endif
-#if defined(USE_SYSTEM) || !defined(UNIX)
-	"system",
-#endif
-#ifdef FEAT_TAG_BINS
-	"tag_binary",
-#endif
-#ifdef FEAT_TAG_OLDSTATIC
-	"tag_old_static",
-#endif
-#ifdef FEAT_TAG_ANYWHITE
-	"tag_any_white",
-#endif
-#ifdef FEAT_TCL
-# ifndef DYNAMIC_TCL
-	"tcl",
-# endif
-#endif
-#ifdef FEAT_TERMGUICOLORS
-	"termguicolors",
-#endif
-#ifdef TERMINFO
-	"terminfo",
-#endif
-#ifdef FEAT_TERMRESPONSE
-	"termresponse",
-#endif
-#ifdef FEAT_TEXTOBJ
-	"textobjects",
-#endif
-#ifdef HAVE_TGETENT
-	"tgetent",
-#endif
-#ifdef FEAT_TIMERS
-	"timers",
-#endif
-#ifdef FEAT_TITLE
-	"title",
-#endif
-#ifdef FEAT_TOOLBAR
-	"toolbar",
-#endif
-#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
-	"unnamedplus",
-#endif
-#ifdef FEAT_USR_CMDS
-	"user-commands",    /* was accidentally included in 5.4 */
-	"user_commands",
-#endif
-#ifdef FEAT_VIMINFO
-	"viminfo",
-#endif
-#ifdef FEAT_WINDOWS
-	"vertsplit",
-#endif
-#ifdef FEAT_VIRTUALEDIT
-	"virtualedit",
-#endif
-	"visual",
-#ifdef FEAT_VISUALEXTRA
-	"visualextra",
-#endif
-#ifdef FEAT_VREPLACE
-	"vreplace",
-#endif
-#ifdef FEAT_WILDIGN
-	"wildignore",
-#endif
-#ifdef FEAT_WILDMENU
-	"wildmenu",
-#endif
-#ifdef FEAT_WINDOWS
-	"windows",
-#endif
-#ifdef FEAT_WAK
-	"winaltkeys",
-#endif
-#ifdef FEAT_WRITEBACKUP
-	"writebackup",
-#endif
-#ifdef FEAT_XIM
-	"xim",
-#endif
-#ifdef FEAT_XFONTSET
-	"xfontset",
-#endif
-#ifdef FEAT_XPM_W32
-	"xpm",
-	"xpm_w32",	/* for backward compatibility */
-#else
-# if defined(HAVE_XPM)
-	"xpm",
-# endif
-#endif
-#ifdef USE_XSMP
-	"xsmp",
-#endif
-#ifdef USE_XSMP_INTERACT
-	"xsmp_interact",
-#endif
-#ifdef FEAT_XCLIPBOARD
-	"xterm_clipboard",
-#endif
-#ifdef FEAT_XTERM_SAVE
-	"xterm_save",
-#endif
-#if defined(UNIX) && defined(FEAT_X11)
-	"X11",
-#endif
-	NULL
-    };
-
-    name = get_tv_string(&argvars[0]);
-    for (i = 0; has_list[i] != NULL; ++i)
-	if (STRICMP(name, has_list[i]) == 0)
-	{
-	    n = TRUE;
-	    break;
-	}
-
-    if (n == FALSE)
-    {
-	if (STRNICMP(name, "patch", 5) == 0)
-	{
-	    if (name[5] == '-'
-		    && STRLEN(name) >= 11
-		    && vim_isdigit(name[6])
-		    && vim_isdigit(name[8])
-		    && vim_isdigit(name[10]))
-	    {
-		int major = atoi((char *)name + 6);
-		int minor = atoi((char *)name + 8);
-
-		/* Expect "patch-9.9.01234". */
-		n = (major < VIM_VERSION_MAJOR
-		     || (major == VIM_VERSION_MAJOR
-			 && (minor < VIM_VERSION_MINOR
-			     || (minor == VIM_VERSION_MINOR
-				 && has_patch(atoi((char *)name + 10))))));
-	    }
-	    else
-		n = has_patch(atoi((char *)name + 5));
-	}
-	else if (STRICMP(name, "vim_starting") == 0)
-	    n = (starting != 0);
-#ifdef FEAT_MBYTE
-	else if (STRICMP(name, "multi_byte_encoding") == 0)
-	    n = has_mbyte;
-#endif
-#if defined(FEAT_BEVAL) && defined(FEAT_GUI_W32)
-	else if (STRICMP(name, "balloon_multiline") == 0)
-	    n = multiline_balloon_available();
-#endif
-#ifdef DYNAMIC_TCL
-	else if (STRICMP(name, "tcl") == 0)
-	    n = tcl_enabled(FALSE);
-#endif
-#if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
-	else if (STRICMP(name, "iconv") == 0)
-	    n = iconv_enabled(FALSE);
-#endif
-#ifdef DYNAMIC_LUA
-	else if (STRICMP(name, "lua") == 0)
-	    n = lua_enabled(FALSE);
-#endif
-#ifdef DYNAMIC_MZSCHEME
-	else if (STRICMP(name, "mzscheme") == 0)
-	    n = mzscheme_enabled(FALSE);
-#endif
-#ifdef DYNAMIC_RUBY
-	else if (STRICMP(name, "ruby") == 0)
-	    n = ruby_enabled(FALSE);
-#endif
-#ifdef FEAT_PYTHON
-#ifdef DYNAMIC_PYTHON
-	else if (STRICMP(name, "python") == 0)
-	    n = python_enabled(FALSE);
-#endif
-#endif
-#ifdef FEAT_PYTHON3
-#ifdef DYNAMIC_PYTHON3
-	else if (STRICMP(name, "python3") == 0)
-	    n = python3_enabled(FALSE);
-#endif
-#endif
-#ifdef DYNAMIC_PERL
-	else if (STRICMP(name, "perl") == 0)
-	    n = perl_enabled(FALSE);
-#endif
-#ifdef FEAT_GUI
-	else if (STRICMP(name, "gui_running") == 0)
-	    n = (gui.in_use || gui.starting);
-# ifdef FEAT_GUI_W32
-	else if (STRICMP(name, "gui_win32s") == 0)
-	    n = gui_is_win32s();
-# endif
-# ifdef FEAT_BROWSE
-	else if (STRICMP(name, "browse") == 0)
-	    n = gui.in_use;	/* gui_mch_browse() works when GUI is running */
-# endif
-#endif
-#ifdef FEAT_SYN_HL
-	else if (STRICMP(name, "syntax_items") == 0)
-	    n = syntax_present(curwin);
-#endif
-#if defined(WIN3264)
-	else if (STRICMP(name, "win95") == 0)
-	    n = mch_windows95();
-#endif
-#ifdef FEAT_NETBEANS_INTG
-	else if (STRICMP(name, "netbeans_enabled") == 0)
-	    n = netbeans_active();
-#endif
-    }
-
-    rettv->vval.v_number = n;
-}
-
-/*
- * "has_key()" function
- */
-    static void
-f_has_key(typval_T *argvars, typval_T *rettv)
-{
-    if (argvars[0].v_type != VAR_DICT)
-    {
-	EMSG(_(e_dictreq));
-	return;
-    }
-    if (argvars[0].vval.v_dict == NULL)
-	return;
-
-    rettv->vval.v_number = dict_find(argvars[0].vval.v_dict,
-				      get_tv_string(&argvars[1]), -1) != NULL;
-}
-
-/*
- * "haslocaldir()" function
- */
-    static void
-f_haslocaldir(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*wp = NULL;
-
-    wp = find_tabwin(&argvars[0], &argvars[1]);
-    rettv->vval.v_number = (wp != NULL && wp->w_localdir != NULL);
-}
-
-/*
- * "hasmapto()" function
- */
-    static void
-f_hasmapto(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*name;
-    char_u	*mode;
-    char_u	buf[NUMBUFLEN];
-    int		abbr = FALSE;
-
-    name = get_tv_string(&argvars[0]);
-    if (argvars[1].v_type == VAR_UNKNOWN)
-	mode = (char_u *)"nvo";
-    else
-    {
-	mode = get_tv_string_buf(&argvars[1], buf);
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    abbr = (int)get_tv_number(&argvars[2]);
-    }
-
-    if (map_to_exists(name, mode, abbr))
-	rettv->vval.v_number = TRUE;
-    else
-	rettv->vval.v_number = FALSE;
-}
-
-/*
- * "histadd()" function
- */
-    static void
-f_histadd(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_CMDHIST
-    int		histype;
-    char_u	*str;
-    char_u	buf[NUMBUFLEN];
-#endif
-
-    rettv->vval.v_number = FALSE;
-    if (check_restricted() || check_secure())
-	return;
-#ifdef FEAT_CMDHIST
-    str = get_tv_string_chk(&argvars[0]);	/* NULL on type error */
-    histype = str != NULL ? get_histtype(str) : -1;
-    if (histype >= 0)
-    {
-	str = get_tv_string_buf(&argvars[1], buf);
-	if (*str != NUL)
-	{
-	    init_history();
-	    add_to_history(histype, str, FALSE, NUL);
-	    rettv->vval.v_number = TRUE;
-	    return;
-	}
-    }
-#endif
-}
-
-/*
- * "histdel()" function
- */
-    static void
-f_histdel(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_CMDHIST
-    int		n;
-    char_u	buf[NUMBUFLEN];
-    char_u	*str;
-
-    str = get_tv_string_chk(&argvars[0]);	/* NULL on type error */
-    if (str == NULL)
-	n = 0;
-    else if (argvars[1].v_type == VAR_UNKNOWN)
-	/* only one argument: clear entire history */
-	n = clr_history(get_histtype(str));
-    else if (argvars[1].v_type == VAR_NUMBER)
-	/* index given: remove that entry */
-	n = del_history_idx(get_histtype(str),
-					  (int)get_tv_number(&argvars[1]));
-    else
-	/* string given: remove all matching entries */
-	n = del_history_entry(get_histtype(str),
-				      get_tv_string_buf(&argvars[1], buf));
-    rettv->vval.v_number = n;
-#endif
-}
-
-/*
- * "histget()" function
- */
-    static void
-f_histget(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_CMDHIST
-    int		type;
-    int		idx;
-    char_u	*str;
-
-    str = get_tv_string_chk(&argvars[0]);	/* NULL on type error */
-    if (str == NULL)
-	rettv->vval.v_string = NULL;
-    else
-    {
-	type = get_histtype(str);
-	if (argvars[1].v_type == VAR_UNKNOWN)
-	    idx = get_history_idx(type);
-	else
-	    idx = (int)get_tv_number_chk(&argvars[1], NULL);
-						    /* -1 on type error */
-	rettv->vval.v_string = vim_strsave(get_history_entry(type, idx));
-    }
-#else
-    rettv->vval.v_string = NULL;
-#endif
-    rettv->v_type = VAR_STRING;
-}
-
-/*
- * "histnr()" function
- */
-    static void
-f_histnr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		i;
-
-#ifdef FEAT_CMDHIST
-    char_u	*history = get_tv_string_chk(&argvars[0]);
-
-    i = history == NULL ? HIST_CMD - 1 : get_histtype(history);
-    if (i >= HIST_CMD && i < HIST_COUNT)
-	i = get_history_idx(i);
-    else
-#endif
-	i = -1;
-    rettv->vval.v_number = i;
-}
-
-/*
- * "highlightID(name)" function
- */
-    static void
-f_hlID(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = syn_name2id(get_tv_string(&argvars[0]));
-}
-
-/*
- * "highlight_exists()" function
- */
-    static void
-f_hlexists(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = highlight_exists(get_tv_string(&argvars[0]));
-}
-
-/*
- * "hostname()" function
- */
-    static void
-f_hostname(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    char_u hostname[256];
-
-    mch_get_host_name(hostname, 256);
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = vim_strsave(hostname);
-}
-
-/*
- * iconv() function
- */
-    static void
-f_iconv(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_MBYTE
-    char_u	buf1[NUMBUFLEN];
-    char_u	buf2[NUMBUFLEN];
-    char_u	*from, *to, *str;
-    vimconv_T	vimconv;
-#endif
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-#ifdef FEAT_MBYTE
-    str = get_tv_string(&argvars[0]);
-    from = enc_canonize(enc_skip(get_tv_string_buf(&argvars[1], buf1)));
-    to = enc_canonize(enc_skip(get_tv_string_buf(&argvars[2], buf2)));
-    vimconv.vc_type = CONV_NONE;
-    convert_setup(&vimconv, from, to);
-
-    /* If the encodings are equal, no conversion needed. */
-    if (vimconv.vc_type == CONV_NONE)
-	rettv->vval.v_string = vim_strsave(str);
-    else
-	rettv->vval.v_string = string_convert(&vimconv, str, NULL);
-
-    convert_setup(&vimconv, NULL, NULL);
-    vim_free(from);
-    vim_free(to);
-#endif
-}
-
-/*
- * "indent()" function
- */
-    static void
-f_indent(typval_T *argvars, typval_T *rettv)
-{
-    linenr_T	lnum;
-
-    lnum = get_tv_lnum(argvars);
-    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
-	rettv->vval.v_number = get_indent_lnum(lnum);
-    else
-	rettv->vval.v_number = -1;
-}
-
-/*
- * "index()" function
- */
-    static void
-f_index(typval_T *argvars, typval_T *rettv)
-{
-    list_T	*l;
-    listitem_T	*item;
-    long	idx = 0;
-    int		ic = FALSE;
-
-    rettv->vval.v_number = -1;
-    if (argvars[0].v_type != VAR_LIST)
-    {
-	EMSG(_(e_listreq));
-	return;
-    }
-    l = argvars[0].vval.v_list;
-    if (l != NULL)
-    {
-	item = l->lv_first;
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	{
-	    int		error = FALSE;
-
-	    /* Start at specified item.  Use the cached index that list_find()
-	     * sets, so that a negative number also works. */
-	    item = list_find(l, (long)get_tv_number_chk(&argvars[2], &error));
-	    idx = l->lv_idx;
-	    if (argvars[3].v_type != VAR_UNKNOWN)
-		ic = (int)get_tv_number_chk(&argvars[3], &error);
-	    if (error)
-		item = NULL;
-	}
-
-	for ( ; item != NULL; item = item->li_next, ++idx)
-	    if (tv_equal(&item->li_tv, &argvars[1], ic, FALSE))
-	    {
-		rettv->vval.v_number = idx;
-		break;
-	    }
-    }
-}
-
-static int inputsecret_flag = 0;
-
-static void get_user_input(typval_T *argvars, typval_T *rettv, int inputdialog);
-
-/*
- * This function is used by f_input() and f_inputdialog() functions. The third
- * argument to f_input() specifies the type of completion to use at the
- * prompt. The third argument to f_inputdialog() specifies the value to return
- * when the user cancels the prompt.
- */
-    static void
-get_user_input(
-    typval_T	*argvars,
-    typval_T	*rettv,
-    int		inputdialog)
-{
-    char_u	*prompt = get_tv_string_chk(&argvars[0]);
-    char_u	*p = NULL;
-    int		c;
-    char_u	buf[NUMBUFLEN];
-    int		cmd_silent_save = cmd_silent;
-    char_u	*defstr = (char_u *)"";
-    int		xp_type = EXPAND_NOTHING;
-    char_u	*xp_arg = NULL;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-#ifdef NO_CONSOLE_INPUT
-    /* While starting up, there is no place to enter text. */
-    if (no_console_input())
-	return;
-#endif
-
-    cmd_silent = FALSE;		/* Want to see the prompt. */
-    if (prompt != NULL)
-    {
-	/* Only the part of the message after the last NL is considered as
-	 * prompt for the command line */
-	p = vim_strrchr(prompt, '\n');
-	if (p == NULL)
-	    p = prompt;
-	else
-	{
-	    ++p;
-	    c = *p;
-	    *p = NUL;
-	    msg_start();
-	    msg_clr_eos();
-	    msg_puts_attr(prompt, echo_attr);
-	    msg_didout = FALSE;
-	    msg_starthere();
-	    *p = c;
-	}
-	cmdline_row = msg_row;
-
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	{
-	    defstr = get_tv_string_buf_chk(&argvars[1], buf);
-	    if (defstr != NULL)
-		stuffReadbuffSpec(defstr);
-
-	    if (!inputdialog && argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		char_u	*xp_name;
-		int	xp_namelen;
-		long	argt;
-
-		/* input() with a third argument: completion */
-		rettv->vval.v_string = NULL;
-
-		xp_name = get_tv_string_buf_chk(&argvars[2], buf);
-		if (xp_name == NULL)
-		    return;
-
-		xp_namelen = (int)STRLEN(xp_name);
-
-		if (parse_compl_arg(xp_name, xp_namelen, &xp_type, &argt,
-							     &xp_arg) == FAIL)
-		    return;
-	    }
-	}
-
-	if (defstr != NULL)
-	{
-	    int save_ex_normal_busy = ex_normal_busy;
-	    ex_normal_busy = 0;
-	    rettv->vval.v_string =
-		getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr,
-				  xp_type, xp_arg);
-	    ex_normal_busy = save_ex_normal_busy;
-	}
-	if (inputdialog && rettv->vval.v_string == NULL
-		&& argvars[1].v_type != VAR_UNKNOWN
-		&& argvars[2].v_type != VAR_UNKNOWN)
-	    rettv->vval.v_string = vim_strsave(get_tv_string_buf(
-							   &argvars[2], buf));
-
-	vim_free(xp_arg);
-
-	/* since the user typed this, no need to wait for return */
-	need_wait_return = FALSE;
-	msg_didout = FALSE;
-    }
-    cmd_silent = cmd_silent_save;
-}
-
-/*
- * "input()" function
- *     Also handles inputsecret() when inputsecret is set.
- */
-    static void
-f_input(typval_T *argvars, typval_T *rettv)
-{
-    get_user_input(argvars, rettv, FALSE);
-}
-
-/*
- * "inputdialog()" function
- */
-    static void
-f_inputdialog(typval_T *argvars, typval_T *rettv)
-{
-#if defined(FEAT_GUI_TEXTDIALOG)
-    /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
-    if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
-    {
-	char_u	*message;
-	char_u	buf[NUMBUFLEN];
-	char_u	*defstr = (char_u *)"";
-
-	message = get_tv_string_chk(&argvars[0]);
-	if (argvars[1].v_type != VAR_UNKNOWN
-		&& (defstr = get_tv_string_buf_chk(&argvars[1], buf)) != NULL)
-	    vim_strncpy(IObuff, defstr, IOSIZE - 1);
-	else
-	    IObuff[0] = NUL;
-	if (message != NULL && defstr != NULL
-		&& do_dialog(VIM_QUESTION, NULL, message,
-			  (char_u *)_("&OK\n&Cancel"), 1, IObuff, FALSE) == 1)
-	    rettv->vval.v_string = vim_strsave(IObuff);
-	else
-	{
-	    if (message != NULL && defstr != NULL
-					&& argvars[1].v_type != VAR_UNKNOWN
-					&& argvars[2].v_type != VAR_UNKNOWN)
-		rettv->vval.v_string = vim_strsave(
-				      get_tv_string_buf(&argvars[2], buf));
-	    else
-		rettv->vval.v_string = NULL;
-	}
-	rettv->v_type = VAR_STRING;
-    }
-    else
-#endif
-	get_user_input(argvars, rettv, TRUE);
-}
-
-/*
- * "inputlist()" function
- */
-    static void
-f_inputlist(typval_T *argvars, typval_T *rettv)
-{
-    listitem_T	*li;
-    int		selected;
-    int		mouse_used;
-
-#ifdef NO_CONSOLE_INPUT
-    /* While starting up, there is no place to enter text. */
-    if (no_console_input())
-	return;
-#endif
-    if (argvars[0].v_type != VAR_LIST || argvars[0].vval.v_list == NULL)
-    {
-	EMSG2(_(e_listarg), "inputlist()");
-	return;
-    }
-
-    msg_start();
-    msg_row = Rows - 1;	/* for when 'cmdheight' > 1 */
-    lines_left = Rows;	/* avoid more prompt */
-    msg_scroll = TRUE;
-    msg_clr_eos();
-
-    for (li = argvars[0].vval.v_list->lv_first; li != NULL; li = li->li_next)
-    {
-	msg_puts(get_tv_string(&li->li_tv));
-	msg_putchar('\n');
-    }
-
-    /* Ask for choice. */
-    selected = prompt_for_number(&mouse_used);
-    if (mouse_used)
-	selected -= lines_left;
-
-    rettv->vval.v_number = selected;
-}
-
-
-static garray_T	    ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
-
-/*
- * "inputrestore()" function
- */
-    static void
-f_inputrestore(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    if (ga_userinput.ga_len > 0)
-    {
-	--ga_userinput.ga_len;
-	restore_typeahead((tasave_T *)(ga_userinput.ga_data)
-						       + ga_userinput.ga_len);
-	/* default return is zero == OK */
-    }
-    else if (p_verbose > 1)
-    {
-	verb_msg((char_u *)_("called inputrestore() more often than inputsave()"));
-	rettv->vval.v_number = 1; /* Failed */
-    }
-}
-
-/*
- * "inputsave()" function
- */
-    static void
-f_inputsave(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    /* Add an entry to the stack of typeahead storage. */
-    if (ga_grow(&ga_userinput, 1) == OK)
-    {
-	save_typeahead((tasave_T *)(ga_userinput.ga_data)
-						       + ga_userinput.ga_len);
-	++ga_userinput.ga_len;
-	/* default return is zero == OK */
-    }
-    else
-	rettv->vval.v_number = 1; /* Failed */
-}
-
-/*
- * "inputsecret()" function
- */
-    static void
-f_inputsecret(typval_T *argvars, typval_T *rettv)
-{
-    ++cmdline_star;
-    ++inputsecret_flag;
-    f_input(argvars, rettv);
-    --cmdline_star;
-    --inputsecret_flag;
-}
-
-/*
- * "insert()" function
- */
-    static void
-f_insert(typval_T *argvars, typval_T *rettv)
-{
-    long	before = 0;
-    listitem_T	*item;
-    list_T	*l;
-    int		error = FALSE;
-
-    if (argvars[0].v_type != VAR_LIST)
-	EMSG2(_(e_listarg), "insert()");
-    else if ((l = argvars[0].vval.v_list) != NULL
-	    && !tv_check_lock(l->lv_lock, (char_u *)N_("insert() argument"), TRUE))
-    {
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    before = (long)get_tv_number_chk(&argvars[2], &error);
-	if (error)
-	    return;		/* type error; errmsg already given */
-
-	if (before == l->lv_len)
-	    item = NULL;
-	else
-	{
-	    item = list_find(l, before);
-	    if (item == NULL)
-	    {
-		EMSGN(_(e_listidx), before);
-		l = NULL;
-	    }
-	}
-	if (l != NULL)
-	{
-	    list_insert_tv(l, &argvars[1], item);
-	    copy_tv(&argvars[0], rettv);
-	}
-    }
-}
-
-/*
- * "invert(expr)" function
- */
-    static void
-f_invert(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = ~get_tv_number_chk(&argvars[0], NULL);
-}
-
-/*
- * "isdirectory()" function
- */
-    static void
-f_isdirectory(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = mch_isdir(get_tv_string(&argvars[0]));
-}
-
-/*
- * "islocked()" function
- */
-    static void
-f_islocked(typval_T *argvars, typval_T *rettv)
-{
-    lval_T	lv;
-    char_u	*end;
-    dictitem_T	*di;
-
-    rettv->vval.v_number = -1;
-    end = get_lval(get_tv_string(&argvars[0]), NULL, &lv, FALSE, FALSE,
-					GLV_NO_AUTOLOAD, FNE_CHECK_START);
-    if (end != NULL && lv.ll_name != NULL)
-    {
-	if (*end != NUL)
-	    EMSG(_(e_trailing));
-	else
-	{
-	    if (lv.ll_tv == NULL)
-	    {
-		if (check_changedtick(lv.ll_name))
-		    rettv->vval.v_number = 1;	    /* always locked */
-		else
-		{
-		    di = find_var(lv.ll_name, NULL, TRUE);
-		    if (di != NULL)
-		    {
-			/* Consider a variable locked when:
-			 * 1. the variable itself is locked
-			 * 2. the value of the variable is locked.
-			 * 3. the List or Dict value is locked.
-			 */
-			rettv->vval.v_number = ((di->di_flags & DI_FLAGS_LOCK)
-						  || tv_islocked(&di->di_tv));
-		    }
-		}
-	    }
-	    else if (lv.ll_range)
-		EMSG(_("E786: Range not allowed"));
-	    else if (lv.ll_newkey != NULL)
-		EMSG2(_(e_dictkey), lv.ll_newkey);
-	    else if (lv.ll_list != NULL)
-		/* List item. */
-		rettv->vval.v_number = tv_islocked(&lv.ll_li->li_tv);
-	    else
-		/* Dictionary item. */
-		rettv->vval.v_number = tv_islocked(&lv.ll_di->di_tv);
-	}
-    }
-
-    clear_lval(&lv);
-}
-
-#if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
-/*
- * "isnan()" function
- */
-    static void
-f_isnan(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = argvars[0].v_type == VAR_FLOAT
-					    && isnan(argvars[0].vval.v_float);
-}
-#endif
-
-/*
- * "items(dict)" function
- */
-    static void
-f_items(typval_T *argvars, typval_T *rettv)
-{
-    dict_list(argvars, rettv, 2);
-}
-
-#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
-/*
- * Get the job from the argument.
- * Returns NULL if the job is invalid.
- */
-    static job_T *
-get_job_arg(typval_T *tv)
-{
-    job_T *job;
-
-    if (tv->v_type != VAR_JOB)
-    {
-	EMSG2(_(e_invarg2), get_tv_string(tv));
-	return NULL;
-    }
-    job = tv->vval.v_job;
-
-    if (job == NULL)
-	EMSG(_("E916: not a valid job"));
-    return job;
-}
-
-/*
- * "job_getchannel()" function
- */
-    static void
-f_job_getchannel(typval_T *argvars, typval_T *rettv)
-{
-    job_T	*job = get_job_arg(&argvars[0]);
-
-    if (job != NULL)
-    {
-	rettv->v_type = VAR_CHANNEL;
-	rettv->vval.v_channel = job->jv_channel;
-	if (job->jv_channel != NULL)
-	    ++job->jv_channel->ch_refcount;
-    }
-}
-
-/*
- * "job_info()" function
- */
-    static void
-f_job_info(typval_T *argvars, typval_T *rettv)
-{
-    job_T	*job = get_job_arg(&argvars[0]);
-
-    if (job != NULL && rettv_dict_alloc(rettv) != FAIL)
-	job_info(job, rettv->vval.v_dict);
-}
-
-/*
- * "job_setoptions()" function
- */
-    static void
-f_job_setoptions(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    job_T	*job = get_job_arg(&argvars[0]);
-    jobopt_T	opt;
-
-    if (job == NULL)
-	return;
-    clear_job_options(&opt);
-    if (get_job_options(&argvars[1], &opt, JO_STOPONEXIT + JO_EXIT_CB) == OK)
-	job_set_options(job, &opt);
-    free_job_options(&opt);
-}
-
-/*
- * "job_start()" function
- */
-    static void
-f_job_start(typval_T *argvars, typval_T *rettv)
-{
-    rettv->v_type = VAR_JOB;
-    if (check_restricted() || check_secure())
-	return;
-    rettv->vval.v_job = job_start(argvars);
-}
-
-/*
- * "job_status()" function
- */
-    static void
-f_job_status(typval_T *argvars, typval_T *rettv)
-{
-    job_T	*job = get_job_arg(&argvars[0]);
-
-    if (job != NULL)
-    {
-	rettv->v_type = VAR_STRING;
-	rettv->vval.v_string = vim_strsave((char_u *)job_status(job));
-    }
-}
-
-/*
- * "job_stop()" function
- */
-    static void
-f_job_stop(typval_T *argvars, typval_T *rettv)
-{
-    job_T	*job = get_job_arg(&argvars[0]);
-
-    if (job != NULL)
-	rettv->vval.v_number = job_stop(job, argvars);
-}
-#endif
-
-/*
- * "join()" function
- */
-    static void
-f_join(typval_T *argvars, typval_T *rettv)
-{
-    garray_T	ga;
-    char_u	*sep;
-
-    if (argvars[0].v_type != VAR_LIST)
-    {
-	EMSG(_(e_listreq));
-	return;
-    }
-    if (argvars[0].vval.v_list == NULL)
-	return;
-    if (argvars[1].v_type == VAR_UNKNOWN)
-	sep = (char_u *)" ";
-    else
-	sep = get_tv_string_chk(&argvars[1]);
-
-    rettv->v_type = VAR_STRING;
-
-    if (sep != NULL)
-    {
-	ga_init2(&ga, (int)sizeof(char), 80);
-	list_join(&ga, argvars[0].vval.v_list, sep, TRUE, FALSE, 0);
-	ga_append(&ga, NUL);
-	rettv->vval.v_string = (char_u *)ga.ga_data;
-    }
-    else
-	rettv->vval.v_string = NULL;
-}
-
-/*
- * "js_decode()" function
- */
-    static void
-f_js_decode(typval_T *argvars, typval_T *rettv)
-{
-    js_read_T	reader;
-
-    reader.js_buf = get_tv_string(&argvars[0]);
-    reader.js_fill = NULL;
-    reader.js_used = 0;
-    if (json_decode_all(&reader, rettv, JSON_JS) != OK)
-	EMSG(_(e_invarg));
-}
-
-/*
- * "js_encode()" function
- */
-    static void
-f_js_encode(typval_T *argvars, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = json_encode(&argvars[0], JSON_JS);
-}
-
-/*
- * "json_decode()" function
- */
-    static void
-f_json_decode(typval_T *argvars, typval_T *rettv)
-{
-    js_read_T	reader;
-
-    reader.js_buf = get_tv_string(&argvars[0]);
-    reader.js_fill = NULL;
-    reader.js_used = 0;
-    if (json_decode_all(&reader, rettv, 0) != OK)
-	EMSG(_(e_invarg));
-}
-
-/*
- * "json_encode()" function
- */
-    static void
-f_json_encode(typval_T *argvars, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = json_encode(&argvars[0], 0);
-}
-
-/*
- * "keys()" function
- */
-    static void
-f_keys(typval_T *argvars, typval_T *rettv)
-{
-    dict_list(argvars, rettv, 0);
-}
-
-/*
- * "last_buffer_nr()" function.
- */
-    static void
-f_last_buffer_nr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		n = 0;
-    buf_T	*buf;
-
-    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
-	if (n < buf->b_fnum)
-	    n = buf->b_fnum;
-
-    rettv->vval.v_number = n;
-}
-
-/*
- * "len()" function
- */
-    static void
-f_len(typval_T *argvars, typval_T *rettv)
-{
-    switch (argvars[0].v_type)
-    {
-	case VAR_STRING:
-	case VAR_NUMBER:
-	    rettv->vval.v_number = (varnumber_T)STRLEN(
-					       get_tv_string(&argvars[0]));
-	    break;
-	case VAR_LIST:
-	    rettv->vval.v_number = list_len(argvars[0].vval.v_list);
-	    break;
-	case VAR_DICT:
-	    rettv->vval.v_number = dict_len(argvars[0].vval.v_dict);
-	    break;
-	case VAR_UNKNOWN:
-	case VAR_SPECIAL:
-	case VAR_FLOAT:
-	case VAR_FUNC:
-	case VAR_PARTIAL:
-	case VAR_JOB:
-	case VAR_CHANNEL:
-	    EMSG(_("E701: Invalid type for len()"));
-	    break;
-    }
-}
-
-static void libcall_common(typval_T *argvars, typval_T *rettv, int type);
-
-    static void
-libcall_common(typval_T *argvars, typval_T *rettv, int type)
-{
-#ifdef FEAT_LIBCALL
-    char_u		*string_in;
-    char_u		**string_result;
-    int			nr_result;
-#endif
-
-    rettv->v_type = type;
-    if (type != VAR_NUMBER)
-	rettv->vval.v_string = NULL;
-
-    if (check_restricted() || check_secure())
-	return;
-
-#ifdef FEAT_LIBCALL
-    /* The first two args must be strings, otherwise its meaningless */
-    if (argvars[0].v_type == VAR_STRING && argvars[1].v_type == VAR_STRING)
-    {
-	string_in = NULL;
-	if (argvars[2].v_type == VAR_STRING)
-	    string_in = argvars[2].vval.v_string;
-	if (type == VAR_NUMBER)
-	    string_result = NULL;
-	else
-	    string_result = &rettv->vval.v_string;
-	if (mch_libcall(argvars[0].vval.v_string,
-			     argvars[1].vval.v_string,
-			     string_in,
-			     argvars[2].vval.v_number,
-			     string_result,
-			     &nr_result) == OK
-		&& type == VAR_NUMBER)
-	    rettv->vval.v_number = nr_result;
-    }
-#endif
-}
-
-/*
- * "libcall()" function
- */
-    static void
-f_libcall(typval_T *argvars, typval_T *rettv)
-{
-    libcall_common(argvars, rettv, VAR_STRING);
-}
-
-/*
- * "libcallnr()" function
- */
-    static void
-f_libcallnr(typval_T *argvars, typval_T *rettv)
-{
-    libcall_common(argvars, rettv, VAR_NUMBER);
-}
-
-/*
- * "line(string)" function
- */
-    static void
-f_line(typval_T *argvars, typval_T *rettv)
-{
-    linenr_T	lnum = 0;
-    pos_T	*fp;
-    int		fnum;
-
-    fp = var2fpos(&argvars[0], TRUE, &fnum);
-    if (fp != NULL)
-	lnum = fp->lnum;
-    rettv->vval.v_number = lnum;
-}
-
-/*
- * "line2byte(lnum)" function
- */
-    static void
-f_line2byte(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifndef FEAT_BYTEOFF
-    rettv->vval.v_number = -1;
-#else
-    linenr_T	lnum;
-
-    lnum = get_tv_lnum(argvars);
-    if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
-	rettv->vval.v_number = -1;
-    else
-	rettv->vval.v_number = ml_find_line_or_offset(curbuf, lnum, NULL);
-    if (rettv->vval.v_number >= 0)
-	++rettv->vval.v_number;
-#endif
-}
-
-/*
- * "lispindent(lnum)" function
- */
-    static void
-f_lispindent(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_LISP
-    pos_T	pos;
-    linenr_T	lnum;
-
-    pos = curwin->w_cursor;
-    lnum = get_tv_lnum(argvars);
-    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
-    {
-	curwin->w_cursor.lnum = lnum;
-	rettv->vval.v_number = get_lisp_indent();
-	curwin->w_cursor = pos;
-    }
-    else
-#endif
-	rettv->vval.v_number = -1;
-}
-
-/*
- * "localtime()" function
- */
-    static void
-f_localtime(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = (varnumber_T)time(NULL);
-}
-
-static void get_maparg(typval_T *argvars, typval_T *rettv, int exact);
-
-    static void
-get_maparg(typval_T *argvars, typval_T *rettv, int exact)
-{
-    char_u	*keys;
-    char_u	*which;
-    char_u	buf[NUMBUFLEN];
-    char_u	*keys_buf = NULL;
-    char_u	*rhs;
-    int		mode;
-    int		abbr = FALSE;
-    int		get_dict = FALSE;
-    mapblock_T	*mp;
-    int		buffer_local;
-
-    /* return empty string for failure */
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-    keys = get_tv_string(&argvars[0]);
-    if (*keys == NUL)
-	return;
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	which = get_tv_string_buf_chk(&argvars[1], buf);
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	{
-	    abbr = (int)get_tv_number(&argvars[2]);
-	    if (argvars[3].v_type != VAR_UNKNOWN)
-		get_dict = (int)get_tv_number(&argvars[3]);
-	}
-    }
-    else
-	which = (char_u *)"";
-    if (which == NULL)
-	return;
-
-    mode = get_map_mode(&which, 0);
-
-    keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE, FALSE);
-    rhs = check_map(keys, mode, exact, FALSE, abbr, &mp, &buffer_local);
-    vim_free(keys_buf);
-
-    if (!get_dict)
-    {
-	/* Return a string. */
-	if (rhs != NULL)
-	    rettv->vval.v_string = str2special_save(rhs, FALSE);
-
-    }
-    else if (rettv_dict_alloc(rettv) != FAIL && rhs != NULL)
-    {
-	/* Return a dictionary. */
-	char_u	    *lhs = str2special_save(mp->m_keys, TRUE);
-	char_u	    *mapmode = map_mode_to_chars(mp->m_mode);
-	dict_T	    *dict = rettv->vval.v_dict;
-
-	dict_add_nr_str(dict, "lhs",	 0L, lhs);
-	dict_add_nr_str(dict, "rhs",     0L, mp->m_orig_str);
-	dict_add_nr_str(dict, "noremap", mp->m_noremap ? 1L : 0L , NULL);
-	dict_add_nr_str(dict, "expr",    mp->m_expr    ? 1L : 0L, NULL);
-	dict_add_nr_str(dict, "silent",  mp->m_silent  ? 1L : 0L, NULL);
-	dict_add_nr_str(dict, "sid",     (long)mp->m_script_ID, NULL);
-	dict_add_nr_str(dict, "buffer",  (long)buffer_local, NULL);
-	dict_add_nr_str(dict, "nowait",  mp->m_nowait  ? 1L : 0L, NULL);
-	dict_add_nr_str(dict, "mode",    0L, mapmode);
-
-	vim_free(lhs);
-	vim_free(mapmode);
-    }
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "log()" function
- */
-    static void
-f_log(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = log(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "log10()" function
- */
-    static void
-f_log10(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = log10(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-#ifdef FEAT_LUA
-/*
- * "luaeval()" function
- */
-    static void
-f_luaeval(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*str;
-    char_u	buf[NUMBUFLEN];
-
-    str = get_tv_string_buf(&argvars[0], buf);
-    do_luaeval(str, argvars + 1, rettv);
-}
-#endif
-
-/*
- * "map()" function
- */
-    static void
-f_map(typval_T *argvars, typval_T *rettv)
-{
-    filter_map(argvars, rettv, TRUE);
-}
-
-/*
- * "maparg()" function
- */
-    static void
-f_maparg(typval_T *argvars, typval_T *rettv)
-{
-    get_maparg(argvars, rettv, TRUE);
-}
-
-/*
- * "mapcheck()" function
- */
-    static void
-f_mapcheck(typval_T *argvars, typval_T *rettv)
-{
-    get_maparg(argvars, rettv, FALSE);
-}
-
-static void find_some_match(typval_T *argvars, typval_T *rettv, int start);
-
-    static void
-find_some_match(typval_T *argvars, typval_T *rettv, int type)
-{
-    char_u	*str = NULL;
-    long	len = 0;
-    char_u	*expr = NULL;
-    char_u	*pat;
-    regmatch_T	regmatch;
-    char_u	patbuf[NUMBUFLEN];
-    char_u	strbuf[NUMBUFLEN];
-    char_u	*save_cpo;
-    long	start = 0;
-    long	nth = 1;
-    colnr_T	startcol = 0;
-    int		match = 0;
-    list_T	*l = NULL;
-    listitem_T	*li = NULL;
-    long	idx = 0;
-    char_u	*tofree = NULL;
-
-    /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
-    save_cpo = p_cpo;
-    p_cpo = (char_u *)"";
-
-    rettv->vval.v_number = -1;
-    if (type == 3 || type == 4)
-    {
-	/* type 3: return empty list when there are no matches.
-	 * type 4: return ["", -1, -1, -1] */
-	if (rettv_list_alloc(rettv) == FAIL)
-	    goto theend;
-	if (type == 4
-		&& (list_append_string(rettv->vval.v_list,
-					    (char_u *)"", 0) == FAIL
-		    || list_append_number(rettv->vval.v_list,
-					    (varnumber_T)-1) == FAIL
-		    || list_append_number(rettv->vval.v_list,
-					    (varnumber_T)-1) == FAIL
-		    || list_append_number(rettv->vval.v_list,
-					    (varnumber_T)-1) == FAIL))
-	{
-		list_free(rettv->vval.v_list);
-		rettv->vval.v_list = NULL;
-		goto theend;
-	}
-    }
-    else if (type == 2)
-    {
-	rettv->v_type = VAR_STRING;
-	rettv->vval.v_string = NULL;
-    }
-
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	if ((l = argvars[0].vval.v_list) == NULL)
-	    goto theend;
-	li = l->lv_first;
-    }
-    else
-    {
-	expr = str = get_tv_string(&argvars[0]);
-	len = (long)STRLEN(str);
-    }
-
-    pat = get_tv_string_buf_chk(&argvars[1], patbuf);
-    if (pat == NULL)
-	goto theend;
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	int	    error = FALSE;
-
-	start = (long)get_tv_number_chk(&argvars[2], &error);
-	if (error)
-	    goto theend;
-	if (l != NULL)
-	{
-	    li = list_find(l, start);
-	    if (li == NULL)
-		goto theend;
-	    idx = l->lv_idx;	/* use the cached index */
-	}
-	else
-	{
-	    if (start < 0)
-		start = 0;
-	    if (start > len)
-		goto theend;
-	    /* When "count" argument is there ignore matches before "start",
-	     * otherwise skip part of the string.  Differs when pattern is "^"
-	     * or "\<". */
-	    if (argvars[3].v_type != VAR_UNKNOWN)
-		startcol = start;
-	    else
-	    {
-		str += start;
-		len -= start;
-	    }
-	}
-
-	if (argvars[3].v_type != VAR_UNKNOWN)
-	    nth = (long)get_tv_number_chk(&argvars[3], &error);
-	if (error)
-	    goto theend;
-    }
-
-    regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
-    if (regmatch.regprog != NULL)
-    {
-	regmatch.rm_ic = p_ic;
-
-	for (;;)
-	{
-	    if (l != NULL)
-	    {
-		if (li == NULL)
-		{
-		    match = FALSE;
-		    break;
-		}
-		vim_free(tofree);
-		expr = str = echo_string(&li->li_tv, &tofree, strbuf, 0);
-		if (str == NULL)
-		    break;
-	    }
-
-	    match = vim_regexec_nl(&regmatch, str, (colnr_T)startcol);
-
-	    if (match && --nth <= 0)
-		break;
-	    if (l == NULL && !match)
-		break;
-
-	    /* Advance to just after the match. */
-	    if (l != NULL)
-	    {
-		li = li->li_next;
-		++idx;
-	    }
-	    else
-	    {
-#ifdef FEAT_MBYTE
-		startcol = (colnr_T)(regmatch.startp[0]
-				    + (*mb_ptr2len)(regmatch.startp[0]) - str);
-#else
-		startcol = (colnr_T)(regmatch.startp[0] + 1 - str);
-#endif
-		if (startcol > (colnr_T)len
-				      || str + startcol <= regmatch.startp[0])
-		{
-		    match = FALSE;
-		    break;
-		}
-	    }
-	}
-
-	if (match)
-	{
-	    if (type == 4)
-	    {
-		listitem_T *li1 = rettv->vval.v_list->lv_first;
-		listitem_T *li2 = li1->li_next;
-		listitem_T *li3 = li2->li_next;
-		listitem_T *li4 = li3->li_next;
-
-		vim_free(li1->li_tv.vval.v_string);
-		li1->li_tv.vval.v_string = vim_strnsave(regmatch.startp[0],
-				(int)(regmatch.endp[0] - regmatch.startp[0]));
-		li3->li_tv.vval.v_number =
-				      (varnumber_T)(regmatch.startp[0] - expr);
-		li4->li_tv.vval.v_number =
-					(varnumber_T)(regmatch.endp[0] - expr);
-		if (l != NULL)
-		    li2->li_tv.vval.v_number = (varnumber_T)idx;
-	    }
-	    else if (type == 3)
-	    {
-		int i;
-
-		/* return list with matched string and submatches */
-		for (i = 0; i < NSUBEXP; ++i)
-		{
-		    if (regmatch.endp[i] == NULL)
-		    {
-			if (list_append_string(rettv->vval.v_list,
-						     (char_u *)"", 0) == FAIL)
-			    break;
-		    }
-		    else if (list_append_string(rettv->vval.v_list,
-				regmatch.startp[i],
-				(int)(regmatch.endp[i] - regmatch.startp[i]))
-			    == FAIL)
-			break;
-		}
-	    }
-	    else if (type == 2)
-	    {
-		/* return matched string */
-		if (l != NULL)
-		    copy_tv(&li->li_tv, rettv);
-		else
-		    rettv->vval.v_string = vim_strnsave(regmatch.startp[0],
-				(int)(regmatch.endp[0] - regmatch.startp[0]));
-	    }
-	    else if (l != NULL)
-		rettv->vval.v_number = idx;
-	    else
-	    {
-		if (type != 0)
-		    rettv->vval.v_number =
-				      (varnumber_T)(regmatch.startp[0] - str);
-		else
-		    rettv->vval.v_number =
-					(varnumber_T)(regmatch.endp[0] - str);
-		rettv->vval.v_number += (varnumber_T)(str - expr);
-	    }
-	}
-	vim_regfree(regmatch.regprog);
-    }
-
-    if (type == 4 && l == NULL)
-	/* matchstrpos() without a list: drop the second item. */
-	listitem_remove(rettv->vval.v_list,
-				       rettv->vval.v_list->lv_first->li_next);
-
-theend:
-    vim_free(tofree);
-    p_cpo = save_cpo;
-}
-
-/*
- * "match()" function
- */
-    static void
-f_match(typval_T *argvars, typval_T *rettv)
-{
-    find_some_match(argvars, rettv, 1);
-}
-
-/*
- * "matchadd()" function
- */
-    static void
-f_matchadd(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_SEARCH_EXTRA
-    char_u	buf[NUMBUFLEN];
-    char_u	*grp = get_tv_string_buf_chk(&argvars[0], buf);	/* group */
-    char_u	*pat = get_tv_string_buf_chk(&argvars[1], buf);	/* pattern */
-    int		prio = 10;	/* default priority */
-    int		id = -1;
-    int		error = FALSE;
-    char_u	*conceal_char = NULL;
-
-    rettv->vval.v_number = -1;
-
-    if (grp == NULL || pat == NULL)
-	return;
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	prio = (int)get_tv_number_chk(&argvars[2], &error);
-	if (argvars[3].v_type != VAR_UNKNOWN)
-	{
-	    id = (int)get_tv_number_chk(&argvars[3], &error);
-	    if (argvars[4].v_type != VAR_UNKNOWN)
-	    {
-		if (argvars[4].v_type != VAR_DICT)
-		{
-		    EMSG(_(e_dictreq));
-		    return;
-		}
-		if (dict_find(argvars[4].vval.v_dict,
-					     (char_u *)"conceal", -1) != NULL)
-		    conceal_char = get_dict_string(argvars[4].vval.v_dict,
-						  (char_u *)"conceal", FALSE);
-	    }
-	}
-    }
-    if (error == TRUE)
-	return;
-    if (id >= 1 && id <= 3)
-    {
-	EMSGN("E798: ID is reserved for \":match\": %ld", id);
-	return;
-    }
-
-    rettv->vval.v_number = match_add(curwin, grp, pat, prio, id, NULL,
-								conceal_char);
-#endif
-}
-
-/*
- * "matchaddpos()" function
- */
-    static void
-f_matchaddpos(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_SEARCH_EXTRA
-    char_u	buf[NUMBUFLEN];
-    char_u	*group;
-    int		prio = 10;
-    int		id = -1;
-    int		error = FALSE;
-    list_T	*l;
-    char_u	*conceal_char = NULL;
-
-    rettv->vval.v_number = -1;
-
-    group = get_tv_string_buf_chk(&argvars[0], buf);
-    if (group == NULL)
-	return;
-
-    if (argvars[1].v_type != VAR_LIST)
-    {
-	EMSG2(_(e_listarg), "matchaddpos()");
-	return;
-    }
-    l = argvars[1].vval.v_list;
-    if (l == NULL)
-	return;
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	prio = (int)get_tv_number_chk(&argvars[2], &error);
-	if (argvars[3].v_type != VAR_UNKNOWN)
-	{
-	    id = (int)get_tv_number_chk(&argvars[3], &error);
-	    if (argvars[4].v_type != VAR_UNKNOWN)
-	    {
-		if (argvars[4].v_type != VAR_DICT)
-		{
-		    EMSG(_(e_dictreq));
-		    return;
-		}
-		if (dict_find(argvars[4].vval.v_dict,
-					     (char_u *)"conceal", -1) != NULL)
-		    conceal_char = get_dict_string(argvars[4].vval.v_dict,
-						  (char_u *)"conceal", FALSE);
-	    }
-	}
-    }
-    if (error == TRUE)
-	return;
-
-    /* id == 3 is ok because matchaddpos() is supposed to substitute :3match */
-    if (id == 1 || id == 2)
-    {
-	EMSGN("E798: ID is reserved for \":match\": %ld", id);
-	return;
-    }
-
-    rettv->vval.v_number = match_add(curwin, group, NULL, prio, id, l,
-								conceal_char);
-#endif
-}
-
-/*
- * "matcharg()" function
- */
-    static void
-f_matcharg(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    if (rettv_list_alloc(rettv) == OK)
-    {
-#ifdef FEAT_SEARCH_EXTRA
-	int	    id = (int)get_tv_number(&argvars[0]);
-	matchitem_T *m;
-
-	if (id >= 1 && id <= 3)
-	{
-	    if ((m = (matchitem_T *)get_match(curwin, id)) != NULL)
-	    {
-		list_append_string(rettv->vval.v_list,
-						syn_id2name(m->hlg_id), -1);
-		list_append_string(rettv->vval.v_list, m->pattern, -1);
-	    }
-	    else
-	    {
-		list_append_string(rettv->vval.v_list, NULL, -1);
-		list_append_string(rettv->vval.v_list, NULL, -1);
-	    }
-	}
-#endif
-    }
-}
-
-/*
- * "matchdelete()" function
- */
-    static void
-f_matchdelete(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_SEARCH_EXTRA
-    rettv->vval.v_number = match_delete(curwin,
-				       (int)get_tv_number(&argvars[0]), TRUE);
-#endif
-}
-
-/*
- * "matchend()" function
- */
-    static void
-f_matchend(typval_T *argvars, typval_T *rettv)
-{
-    find_some_match(argvars, rettv, 0);
-}
-
-/*
- * "matchlist()" function
- */
-    static void
-f_matchlist(typval_T *argvars, typval_T *rettv)
-{
-    find_some_match(argvars, rettv, 3);
-}
-
-/*
- * "matchstr()" function
- */
-    static void
-f_matchstr(typval_T *argvars, typval_T *rettv)
-{
-    find_some_match(argvars, rettv, 2);
-}
-
-/*
- * "matchstrpos()" function
- */
-    static void
-f_matchstrpos(typval_T *argvars, typval_T *rettv)
-{
-    find_some_match(argvars, rettv, 4);
-}
-
-static void max_min(typval_T *argvars, typval_T *rettv, int domax);
-
-    static void
-max_min(typval_T *argvars, typval_T *rettv, int domax)
-{
-    varnumber_T	n = 0;
-    varnumber_T	i;
-    int		error = FALSE;
-
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	list_T		*l;
-	listitem_T	*li;
-
-	l = argvars[0].vval.v_list;
-	if (l != NULL)
-	{
-	    li = l->lv_first;
-	    if (li != NULL)
-	    {
-		n = get_tv_number_chk(&li->li_tv, &error);
-		for (;;)
-		{
-		    li = li->li_next;
-		    if (li == NULL)
-			break;
-		    i = get_tv_number_chk(&li->li_tv, &error);
-		    if (domax ? i > n : i < n)
-			n = i;
-		}
-	    }
-	}
-    }
-    else if (argvars[0].v_type == VAR_DICT)
-    {
-	dict_T		*d;
-	int		first = TRUE;
-	hashitem_T	*hi;
-	int		todo;
-
-	d = argvars[0].vval.v_dict;
-	if (d != NULL)
-	{
-	    todo = (int)d->dv_hashtab.ht_used;
-	    for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi)
-	    {
-		if (!HASHITEM_EMPTY(hi))
-		{
-		    --todo;
-		    i = get_tv_number_chk(&HI2DI(hi)->di_tv, &error);
-		    if (first)
-		    {
-			n = i;
-			first = FALSE;
-		    }
-		    else if (domax ? i > n : i < n)
-			n = i;
-		}
-	    }
-	}
-    }
-    else
-	EMSG(_(e_listdictarg));
-    rettv->vval.v_number = error ? 0 : n;
-}
-
-/*
- * "max()" function
- */
-    static void
-f_max(typval_T *argvars, typval_T *rettv)
-{
-    max_min(argvars, rettv, TRUE);
-}
-
-/*
- * "min()" function
- */
-    static void
-f_min(typval_T *argvars, typval_T *rettv)
-{
-    max_min(argvars, rettv, FALSE);
-}
-
-static int mkdir_recurse(char_u *dir, int prot);
-
-/*
- * Create the directory in which "dir" is located, and higher levels when
- * needed.
- */
-    static int
-mkdir_recurse(char_u *dir, int prot)
-{
-    char_u	*p;
-    char_u	*updir;
-    int		r = FAIL;
-
-    /* Get end of directory name in "dir".
-     * We're done when it's "/" or "c:/". */
-    p = gettail_sep(dir);
-    if (p <= get_past_head(dir))
-	return OK;
-
-    /* If the directory exists we're done.  Otherwise: create it.*/
-    updir = vim_strnsave(dir, (int)(p - dir));
-    if (updir == NULL)
-	return FAIL;
-    if (mch_isdir(updir))
-	r = OK;
-    else if (mkdir_recurse(updir, prot) == OK)
-	r = vim_mkdir_emsg(updir, prot);
-    vim_free(updir);
-    return r;
-}
-
-#ifdef vim_mkdir
-/*
- * "mkdir()" function
- */
-    static void
-f_mkdir(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*dir;
-    char_u	buf[NUMBUFLEN];
-    int		prot = 0755;
-
-    rettv->vval.v_number = FAIL;
-    if (check_restricted() || check_secure())
-	return;
-
-    dir = get_tv_string_buf(&argvars[0], buf);
-    if (*dir == NUL)
-	rettv->vval.v_number = FAIL;
-    else
-    {
-	if (*gettail(dir) == NUL)
-	    /* remove trailing slashes */
-	    *gettail_sep(dir) = NUL;
-
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	{
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-		prot = (int)get_tv_number_chk(&argvars[2], NULL);
-	    if (prot != -1 && STRCMP(get_tv_string(&argvars[1]), "p") == 0)
-		mkdir_recurse(dir, prot);
-	}
-	rettv->vval.v_number = prot == -1 ? FAIL : vim_mkdir_emsg(dir, prot);
-    }
-}
-#endif
-
-/*
- * "mode()" function
- */
-    static void
-f_mode(typval_T *argvars, typval_T *rettv)
-{
-    char_u	buf[3];
-
-    buf[1] = NUL;
-    buf[2] = NUL;
-
-    if (time_for_testing == 93784)
-    {
-	/* Testing the two-character code. */
-	buf[0] = 'x';
-	buf[1] = '!';
-    }
-    else if (VIsual_active)
-    {
-	if (VIsual_select)
-	    buf[0] = VIsual_mode + 's' - 'v';
-	else
-	    buf[0] = VIsual_mode;
-    }
-    else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE
-		|| State == CONFIRM)
-    {
-	buf[0] = 'r';
-	if (State == ASKMORE)
-	    buf[1] = 'm';
-	else if (State == CONFIRM)
-	    buf[1] = '?';
-    }
-    else if (State == EXTERNCMD)
-	buf[0] = '!';
-    else if (State & INSERT)
-    {
-#ifdef FEAT_VREPLACE
-	if (State & VREPLACE_FLAG)
-	{
-	    buf[0] = 'R';
-	    buf[1] = 'v';
-	}
-	else
-#endif
-	if (State & REPLACE_FLAG)
-	    buf[0] = 'R';
-	else
-	    buf[0] = 'i';
-    }
-    else if (State & CMDLINE)
-    {
-	buf[0] = 'c';
-	if (exmode_active)
-	    buf[1] = 'v';
-    }
-    else if (exmode_active)
-    {
-	buf[0] = 'c';
-	buf[1] = 'e';
-    }
-    else
-    {
-	buf[0] = 'n';
-	if (finish_op)
-	    buf[1] = 'o';
-    }
-
-    /* Clear out the minor mode when the argument is not a non-zero number or
-     * non-empty string.  */
-    if (!non_zero_arg(&argvars[0]))
-	buf[1] = NUL;
-
-    rettv->vval.v_string = vim_strsave(buf);
-    rettv->v_type = VAR_STRING;
-}
-
-#if defined(FEAT_MZSCHEME) || defined(PROTO)
-/*
- * "mzeval()" function
- */
-    static void
-f_mzeval(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*str;
-    char_u	buf[NUMBUFLEN];
-
-    str = get_tv_string_buf(&argvars[0], buf);
-    do_mzeval(str, rettv);
-}
-
-    void
-mzscheme_call_vim(char_u *name, typval_T *args, typval_T *rettv)
-{
-    typval_T argvars[3];
-
-    argvars[0].v_type = VAR_STRING;
-    argvars[0].vval.v_string = name;
-    copy_tv(args, &argvars[1]);
-    argvars[2].v_type = VAR_UNKNOWN;
-    f_call(argvars, rettv);
-    clear_tv(&argvars[1]);
-}
-#endif
-
-/*
- * "nextnonblank()" function
- */
-    static void
-f_nextnonblank(typval_T *argvars, typval_T *rettv)
-{
-    linenr_T	lnum;
-
-    for (lnum = get_tv_lnum(argvars); ; ++lnum)
-    {
-	if (lnum < 0 || lnum > curbuf->b_ml.ml_line_count)
-	{
-	    lnum = 0;
-	    break;
-	}
-	if (*skipwhite(ml_get(lnum)) != NUL)
-	    break;
-    }
-    rettv->vval.v_number = lnum;
-}
-
-/*
- * "nr2char()" function
- */
-    static void
-f_nr2char(typval_T *argvars, typval_T *rettv)
-{
-    char_u	buf[NUMBUFLEN];
-
-#ifdef FEAT_MBYTE
-    if (has_mbyte)
-    {
-	int	utf8 = 0;
-
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	    utf8 = (int)get_tv_number_chk(&argvars[1], NULL);
-	if (utf8)
-	    buf[(*utf_char2bytes)((int)get_tv_number(&argvars[0]), buf)] = NUL;
-	else
-	    buf[(*mb_char2bytes)((int)get_tv_number(&argvars[0]), buf)] = NUL;
-    }
-    else
-#endif
-    {
-	buf[0] = (char_u)get_tv_number(&argvars[0]);
-	buf[1] = NUL;
-    }
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = vim_strsave(buf);
-}
-
-/*
- * "or(expr, expr)" function
- */
-    static void
-f_or(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
-					| get_tv_number_chk(&argvars[1], NULL);
-}
-
-/*
- * "pathshorten()" function
- */
-    static void
-f_pathshorten(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-
-    rettv->v_type = VAR_STRING;
-    p = get_tv_string_chk(&argvars[0]);
-    if (p == NULL)
-	rettv->vval.v_string = NULL;
-    else
-    {
-	p = vim_strsave(p);
-	rettv->vval.v_string = p;
-	if (p != NULL)
-	    shorten_dir(p);
-    }
-}
-
-#ifdef FEAT_PERL
-/*
- * "perleval()" function
- */
-    static void
-f_perleval(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*str;
-    char_u	buf[NUMBUFLEN];
-
-    str = get_tv_string_buf(&argvars[0], buf);
-    do_perleval(str, rettv);
-}
-#endif
-
-#ifdef FEAT_FLOAT
-/*
- * "pow()" function
- */
-    static void
-f_pow(typval_T *argvars, typval_T *rettv)
-{
-    float_T	fx = 0.0, fy = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &fx) == OK
-				     && get_float_arg(&argvars[1], &fy) == OK)
-	rettv->vval.v_float = pow(fx, fy);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "prevnonblank()" function
- */
-    static void
-f_prevnonblank(typval_T *argvars, typval_T *rettv)
-{
-    linenr_T	lnum;
-
-    lnum = get_tv_lnum(argvars);
-    if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
-	lnum = 0;
-    else
-	while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
-	    --lnum;
-    rettv->vval.v_number = lnum;
-}
-
-/* This dummy va_list is here because:
- * - passing a NULL pointer doesn't work when va_list isn't a pointer
- * - locally in the function results in a "used before set" warning
- * - using va_start() to initialize it gives "function with fixed args" error */
-static va_list	ap;
-
-/*
- * "printf()" function
- */
-    static void
-f_printf(typval_T *argvars, typval_T *rettv)
-{
-    char_u	buf[NUMBUFLEN];
-    int		len;
-    char_u	*s;
-    int		saved_did_emsg = did_emsg;
-    char	*fmt;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-
-    /* Get the required length, allocate the buffer and do it for real. */
-    did_emsg = FALSE;
-    fmt = (char *)get_tv_string_buf(&argvars[0], buf);
-    len = vim_vsnprintf(NULL, 0, fmt, ap, argvars + 1);
-    if (!did_emsg)
-    {
-	s = alloc(len + 1);
-	if (s != NULL)
-	{
-	    rettv->vval.v_string = s;
-	    (void)vim_vsnprintf((char *)s, len + 1, fmt, ap, argvars + 1);
-	}
-    }
-    did_emsg |= saved_did_emsg;
-}
-
-/*
- * "pumvisible()" function
- */
-    static void
-f_pumvisible(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_INS_EXPAND
-    if (pum_visible())
-	rettv->vval.v_number = 1;
-#endif
-}
-
-#ifdef FEAT_PYTHON3
-/*
- * "py3eval()" function
- */
-    static void
-f_py3eval(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*str;
-    char_u	buf[NUMBUFLEN];
-
-    str = get_tv_string_buf(&argvars[0], buf);
-    do_py3eval(str, rettv);
-}
-#endif
-
-#ifdef FEAT_PYTHON
-/*
- * "pyeval()" function
- */
-    static void
-f_pyeval(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*str;
-    char_u	buf[NUMBUFLEN];
-
-    str = get_tv_string_buf(&argvars[0], buf);
-    do_pyeval(str, rettv);
-}
-#endif
-
-/*
- * "range()" function
- */
-    static void
-f_range(typval_T *argvars, typval_T *rettv)
-{
-    varnumber_T	start;
-    varnumber_T	end;
-    varnumber_T	stride = 1;
-    varnumber_T	i;
-    int		error = FALSE;
-
-    start = get_tv_number_chk(&argvars[0], &error);
-    if (argvars[1].v_type == VAR_UNKNOWN)
-    {
-	end = start - 1;
-	start = 0;
-    }
-    else
-    {
-	end = get_tv_number_chk(&argvars[1], &error);
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    stride = get_tv_number_chk(&argvars[2], &error);
-    }
-
-    if (error)
-	return;		/* type error; errmsg already given */
-    if (stride == 0)
-	EMSG(_("E726: Stride is zero"));
-    else if (stride > 0 ? end + 1 < start : end - 1 > start)
-	EMSG(_("E727: Start past end"));
-    else
-    {
-	if (rettv_list_alloc(rettv) == OK)
-	    for (i = start; stride > 0 ? i <= end : i >= end; i += stride)
-		if (list_append_number(rettv->vval.v_list,
-						      (varnumber_T)i) == FAIL)
-		    break;
-    }
-}
-
-/*
- * "readfile()" function
- */
-    static void
-f_readfile(typval_T *argvars, typval_T *rettv)
-{
-    int		binary = FALSE;
-    int		failed = FALSE;
-    char_u	*fname;
-    FILE	*fd;
-    char_u	buf[(IOSIZE/256)*256];	/* rounded to avoid odd + 1 */
-    int		io_size = sizeof(buf);
-    int		readlen;		/* size of last fread() */
-    char_u	*prev	 = NULL;	/* previously read bytes, if any */
-    long	prevlen  = 0;		/* length of data in prev */
-    long	prevsize = 0;		/* size of prev buffer */
-    long	maxline  = MAXLNUM;
-    long	cnt	 = 0;
-    char_u	*p;			/* position in buf */
-    char_u	*start;			/* start of current line */
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	if (STRCMP(get_tv_string(&argvars[1]), "b") == 0)
-	    binary = TRUE;
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    maxline = (long)get_tv_number(&argvars[2]);
-    }
-
-    if (rettv_list_alloc(rettv) == FAIL)
-	return;
-
-    /* Always open the file in binary mode, library functions have a mind of
-     * their own about CR-LF conversion. */
-    fname = get_tv_string(&argvars[0]);
-    if (*fname == NUL || (fd = mch_fopen((char *)fname, READBIN)) == NULL)
-    {
-	EMSG2(_(e_notopen), *fname == NUL ? (char_u *)_("<empty>") : fname);
-	return;
-    }
-
-    while (cnt < maxline || maxline < 0)
-    {
-	readlen = (int)fread(buf, 1, io_size, fd);
-
-	/* This for loop processes what was read, but is also entered at end
-	 * of file so that either:
-	 * - an incomplete line gets written
-	 * - a "binary" file gets an empty line at the end if it ends in a
-	 *   newline.  */
-	for (p = buf, start = buf;
-		p < buf + readlen || (readlen <= 0 && (prevlen > 0 || binary));
-		++p)
-	{
-	    if (*p == '\n' || readlen <= 0)
-	    {
-		listitem_T  *li;
-		char_u	    *s	= NULL;
-		long_u	    len = p - start;
-
-		/* Finished a line.  Remove CRs before NL. */
-		if (readlen > 0 && !binary)
-		{
-		    while (len > 0 && start[len - 1] == '\r')
-			--len;
-		    /* removal may cross back to the "prev" string */
-		    if (len == 0)
-			while (prevlen > 0 && prev[prevlen - 1] == '\r')
-			    --prevlen;
-		}
-		if (prevlen == 0)
-		    s = vim_strnsave(start, (int)len);
-		else
-		{
-		    /* Change "prev" buffer to be the right size.  This way
-		     * the bytes are only copied once, and very long lines are
-		     * allocated only once.  */
-		    if ((s = vim_realloc(prev, prevlen + len + 1)) != NULL)
-		    {
-			mch_memmove(s + prevlen, start, len);
-			s[prevlen + len] = NUL;
-			prev = NULL; /* the list will own the string */
-			prevlen = prevsize = 0;
-		    }
-		}
-		if (s == NULL)
-		{
-		    do_outofmem_msg((long_u) prevlen + len + 1);
-		    failed = TRUE;
-		    break;
-		}
-
-		if ((li = listitem_alloc()) == NULL)
-		{
-		    vim_free(s);
-		    failed = TRUE;
-		    break;
-		}
-		li->li_tv.v_type = VAR_STRING;
-		li->li_tv.v_lock = 0;
-		li->li_tv.vval.v_string = s;
-		list_append(rettv->vval.v_list, li);
-
-		start = p + 1; /* step over newline */
-		if ((++cnt >= maxline && maxline >= 0) || readlen <= 0)
-		    break;
-	    }
-	    else if (*p == NUL)
-		*p = '\n';
-#ifdef FEAT_MBYTE
-	    /* Check for utf8 "bom"; U+FEFF is encoded as EF BB BF.  Do this
-	     * when finding the BF and check the previous two bytes. */
-	    else if (*p == 0xbf && enc_utf8 && !binary)
-	    {
-		/* Find the two bytes before the 0xbf.	If p is at buf, or buf
-		 * + 1, these may be in the "prev" string. */
-		char_u back1 = p >= buf + 1 ? p[-1]
-				     : prevlen >= 1 ? prev[prevlen - 1] : NUL;
-		char_u back2 = p >= buf + 2 ? p[-2]
-			  : p == buf + 1 && prevlen >= 1 ? prev[prevlen - 1]
-			  : prevlen >= 2 ? prev[prevlen - 2] : NUL;
-
-		if (back2 == 0xef && back1 == 0xbb)
-		{
-		    char_u *dest = p - 2;
-
-		    /* Usually a BOM is at the beginning of a file, and so at
-		     * the beginning of a line; then we can just step over it.
-		     */
-		    if (start == dest)
-			start = p + 1;
-		    else
-		    {
-			/* have to shuffle buf to close gap */
-			int adjust_prevlen = 0;
-
-			if (dest < buf)
-			{
-			    adjust_prevlen = (int)(buf - dest); /* must be 1 or 2 */
-			    dest = buf;
-			}
-			if (readlen > p - buf + 1)
-			    mch_memmove(dest, p + 1, readlen - (p - buf) - 1);
-			readlen -= 3 - adjust_prevlen;
-			prevlen -= adjust_prevlen;
-			p = dest - 1;
-		    }
-		}
-	    }
-#endif
-	} /* for */
-
-	if (failed || (cnt >= maxline && maxline >= 0) || readlen <= 0)
-	    break;
-	if (start < p)
-	{
-	    /* There's part of a line in buf, store it in "prev". */
-	    if (p - start + prevlen >= prevsize)
-	    {
-		/* need bigger "prev" buffer */
-		char_u *newprev;
-
-		/* A common use case is ordinary text files and "prev" gets a
-		 * fragment of a line, so the first allocation is made
-		 * small, to avoid repeatedly 'allocing' large and
-		 * 'reallocing' small. */
-		if (prevsize == 0)
-		    prevsize = (long)(p - start);
-		else
-		{
-		    long grow50pc = (prevsize * 3) / 2;
-		    long growmin  = (long)((p - start) * 2 + prevlen);
-		    prevsize = grow50pc > growmin ? grow50pc : growmin;
-		}
-		newprev = prev == NULL ? alloc(prevsize)
-						: vim_realloc(prev, prevsize);
-		if (newprev == NULL)
-		{
-		    do_outofmem_msg((long_u)prevsize);
-		    failed = TRUE;
-		    break;
-		}
-		prev = newprev;
-	    }
-	    /* Add the line part to end of "prev". */
-	    mch_memmove(prev + prevlen, start, p - start);
-	    prevlen += (long)(p - start);
-	}
-    } /* while */
-
-    /*
-     * For a negative line count use only the lines at the end of the file,
-     * free the rest.
-     */
-    if (!failed && maxline < 0)
-	while (cnt > -maxline)
-	{
-	    listitem_remove(rettv->vval.v_list, rettv->vval.v_list->lv_first);
-	    --cnt;
-	}
-
-    if (failed)
-    {
-	list_free(rettv->vval.v_list);
-	/* readfile doc says an empty list is returned on error */
-	rettv->vval.v_list = list_alloc();
-    }
-
-    vim_free(prev);
-    fclose(fd);
-}
-
-#if defined(FEAT_RELTIME)
-static int list2proftime(typval_T *arg, proftime_T *tm);
-
-/*
- * Convert a List to proftime_T.
- * Return FAIL when there is something wrong.
- */
-    static int
-list2proftime(typval_T *arg, proftime_T *tm)
-{
-    long	n1, n2;
-    int	error = FALSE;
-
-    if (arg->v_type != VAR_LIST || arg->vval.v_list == NULL
-					     || arg->vval.v_list->lv_len != 2)
-	return FAIL;
-    n1 = list_find_nr(arg->vval.v_list, 0L, &error);
-    n2 = list_find_nr(arg->vval.v_list, 1L, &error);
-# ifdef WIN3264
-    tm->HighPart = n1;
-    tm->LowPart = n2;
-# else
-    tm->tv_sec = n1;
-    tm->tv_usec = n2;
-# endif
-    return error ? FAIL : OK;
-}
-#endif /* FEAT_RELTIME */
-
-/*
- * "reltime()" function
- */
-    static void
-f_reltime(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_RELTIME
-    proftime_T	res;
-    proftime_T	start;
-
-    if (argvars[0].v_type == VAR_UNKNOWN)
-    {
-	/* No arguments: get current time. */
-	profile_start(&res);
-    }
-    else if (argvars[1].v_type == VAR_UNKNOWN)
-    {
-	if (list2proftime(&argvars[0], &res) == FAIL)
-	    return;
-	profile_end(&res);
-    }
-    else
-    {
-	/* Two arguments: compute the difference. */
-	if (list2proftime(&argvars[0], &start) == FAIL
-		|| list2proftime(&argvars[1], &res) == FAIL)
-	    return;
-	profile_sub(&res, &start);
-    }
-
-    if (rettv_list_alloc(rettv) == OK)
-    {
-	long	n1, n2;
-
-# ifdef WIN3264
-	n1 = res.HighPart;
-	n2 = res.LowPart;
-# else
-	n1 = res.tv_sec;
-	n2 = res.tv_usec;
-# endif
-	list_append_number(rettv->vval.v_list, (varnumber_T)n1);
-	list_append_number(rettv->vval.v_list, (varnumber_T)n2);
-    }
-#endif
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "reltimefloat()" function
- */
-    static void
-f_reltimefloat(typval_T *argvars UNUSED, typval_T *rettv)
-{
-# ifdef FEAT_RELTIME
-    proftime_T	tm;
-# endif
-
-    rettv->v_type = VAR_FLOAT;
-    rettv->vval.v_float = 0;
-# ifdef FEAT_RELTIME
-    if (list2proftime(&argvars[0], &tm) == OK)
-	rettv->vval.v_float = profile_float(&tm);
-# endif
-}
-#endif
-
-/*
- * "reltimestr()" function
- */
-    static void
-f_reltimestr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_RELTIME
-    proftime_T	tm;
-#endif
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-#ifdef FEAT_RELTIME
-    if (list2proftime(&argvars[0], &tm) == OK)
-	rettv->vval.v_string = vim_strsave((char_u *)profile_msg(&tm));
-#endif
-}
-
-#if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
-static void make_connection(void);
-static int check_connection(void);
-
-    static void
-make_connection(void)
-{
-    if (X_DISPLAY == NULL
-# ifdef FEAT_GUI
-	    && !gui.in_use
-# endif
-	    )
-    {
-	x_force_connect = TRUE;
-	setup_term_clip();
-	x_force_connect = FALSE;
-    }
-}
-
-    static int
-check_connection(void)
-{
-    make_connection();
-    if (X_DISPLAY == NULL)
-    {
-	EMSG(_("E240: No connection to Vim server"));
-	return FAIL;
-    }
-    return OK;
-}
-#endif
-
-#ifdef FEAT_CLIENTSERVER
-    static void
-remote_common(typval_T *argvars, typval_T *rettv, int expr)
-{
-    char_u	*server_name;
-    char_u	*keys;
-    char_u	*r = NULL;
-    char_u	buf[NUMBUFLEN];
-# ifdef WIN32
-    HWND	w;
-# else
-    Window	w;
-# endif
-
-    if (check_restricted() || check_secure())
-	return;
-
-# ifdef FEAT_X11
-    if (check_connection() == FAIL)
-	return;
-# endif
-
-    server_name = get_tv_string_chk(&argvars[0]);
-    if (server_name == NULL)
-	return;		/* type error; errmsg already given */
-    keys = get_tv_string_buf(&argvars[1], buf);
-# ifdef WIN32
-    if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
-# else
-    if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
-									  < 0)
-# endif
-    {
-	if (r != NULL)
-	    EMSG(r);		/* sending worked but evaluation failed */
-	else
-	    EMSG2(_("E241: Unable to send to %s"), server_name);
-	return;
-    }
-
-    rettv->vval.v_string = r;
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	dictitem_T	v;
-	char_u		str[30];
-	char_u		*idvar;
-
-	sprintf((char *)str, PRINTF_HEX_LONG_U, (long_u)w);
-	v.di_tv.v_type = VAR_STRING;
-	v.di_tv.vval.v_string = vim_strsave(str);
-	idvar = get_tv_string_chk(&argvars[2]);
-	if (idvar != NULL)
-	    set_var(idvar, &v.di_tv, FALSE);
-	vim_free(v.di_tv.vval.v_string);
-    }
-}
-#endif
-
-/*
- * "remote_expr()" function
- */
-    static void
-f_remote_expr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-#ifdef FEAT_CLIENTSERVER
-    remote_common(argvars, rettv, TRUE);
-#endif
-}
-
-/*
- * "remote_foreground()" function
- */
-    static void
-f_remote_foreground(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_CLIENTSERVER
-# ifdef WIN32
-    /* On Win32 it's done in this application. */
-    {
-	char_u	*server_name = get_tv_string_chk(&argvars[0]);
-
-	if (server_name != NULL)
-	    serverForeground(server_name);
-    }
-# else
-    /* Send a foreground() expression to the server. */
-    argvars[1].v_type = VAR_STRING;
-    argvars[1].vval.v_string = vim_strsave((char_u *)"foreground()");
-    argvars[2].v_type = VAR_UNKNOWN;
-    remote_common(argvars, rettv, TRUE);
-    vim_free(argvars[1].vval.v_string);
-# endif
-#endif
-}
-
-    static void
-f_remote_peek(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_CLIENTSERVER
-    dictitem_T	v;
-    char_u	*s = NULL;
-# ifdef WIN32
-    long_u	n = 0;
-# endif
-    char_u	*serverid;
-
-    if (check_restricted() || check_secure())
-    {
-	rettv->vval.v_number = -1;
-	return;
-    }
-    serverid = get_tv_string_chk(&argvars[0]);
-    if (serverid == NULL)
-    {
-	rettv->vval.v_number = -1;
-	return;		/* type error; errmsg already given */
-    }
-# ifdef WIN32
-    sscanf((const char *)serverid, SCANF_HEX_LONG_U, &n);
-    if (n == 0)
-	rettv->vval.v_number = -1;
-    else
-    {
-	s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
-	rettv->vval.v_number = (s != NULL);
-    }
-# else
-    if (check_connection() == FAIL)
-	return;
-
-    rettv->vval.v_number = serverPeekReply(X_DISPLAY,
-						serverStrToWin(serverid), &s);
-# endif
-
-    if (argvars[1].v_type != VAR_UNKNOWN && rettv->vval.v_number > 0)
-    {
-	char_u		*retvar;
-
-	v.di_tv.v_type = VAR_STRING;
-	v.di_tv.vval.v_string = vim_strsave(s);
-	retvar = get_tv_string_chk(&argvars[1]);
-	if (retvar != NULL)
-	    set_var(retvar, &v.di_tv, FALSE);
-	vim_free(v.di_tv.vval.v_string);
-    }
-#else
-    rettv->vval.v_number = -1;
-#endif
-}
-
-    static void
-f_remote_read(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    char_u	*r = NULL;
-
-#ifdef FEAT_CLIENTSERVER
-    char_u	*serverid = get_tv_string_chk(&argvars[0]);
-
-    if (serverid != NULL && !check_restricted() && !check_secure())
-    {
-# ifdef WIN32
-	/* The server's HWND is encoded in the 'id' parameter */
-	long_u		n = 0;
-
-	sscanf((char *)serverid, SCANF_HEX_LONG_U, &n);
-	if (n != 0)
-	    r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
-	if (r == NULL)
-# else
-	if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
-		serverStrToWin(serverid), &r, FALSE) < 0)
-# endif
-	    EMSG(_("E277: Unable to read a server reply"));
-    }
-#endif
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = r;
-}
-
-/*
- * "remote_send()" function
- */
-    static void
-f_remote_send(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-#ifdef FEAT_CLIENTSERVER
-    remote_common(argvars, rettv, FALSE);
-#endif
-}
-
-/*
- * "remove()" function
- */
-    static void
-f_remove(typval_T *argvars, typval_T *rettv)
-{
-    list_T	*l;
-    listitem_T	*item, *item2;
-    listitem_T	*li;
-    long	idx;
-    long	end;
-    char_u	*key;
-    dict_T	*d;
-    dictitem_T	*di;
-    char_u	*arg_errmsg = (char_u *)N_("remove() argument");
-
-    if (argvars[0].v_type == VAR_DICT)
-    {
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    EMSG2(_(e_toomanyarg), "remove()");
-	else if ((d = argvars[0].vval.v_dict) != NULL
-		&& !tv_check_lock(d->dv_lock, arg_errmsg, TRUE))
-	{
-	    key = get_tv_string_chk(&argvars[1]);
-	    if (key != NULL)
-	    {
-		di = dict_find(d, key, -1);
-		if (di == NULL)
-		    EMSG2(_(e_dictkey), key);
-		else if (!var_check_fixed(di->di_flags, arg_errmsg, TRUE)
-			    && !var_check_ro(di->di_flags, arg_errmsg, TRUE))
-		{
-		    *rettv = di->di_tv;
-		    init_tv(&di->di_tv);
-		    dictitem_remove(d, di);
-		}
-	    }
-	}
-    }
-    else if (argvars[0].v_type != VAR_LIST)
-	EMSG2(_(e_listdictarg), "remove()");
-    else if ((l = argvars[0].vval.v_list) != NULL
-	    && !tv_check_lock(l->lv_lock, arg_errmsg, TRUE))
-    {
-	int	    error = FALSE;
-
-	idx = (long)get_tv_number_chk(&argvars[1], &error);
-	if (error)
-	    ;		/* type error: do nothing, errmsg already given */
-	else if ((item = list_find(l, idx)) == NULL)
-	    EMSGN(_(e_listidx), idx);
-	else
-	{
-	    if (argvars[2].v_type == VAR_UNKNOWN)
-	    {
-		/* Remove one item, return its value. */
-		vimlist_remove(l, item, item);
-		*rettv = item->li_tv;
-		vim_free(item);
-	    }
-	    else
-	    {
-		/* Remove range of items, return list with values. */
-		end = (long)get_tv_number_chk(&argvars[2], &error);
-		if (error)
-		    ;		/* type error: do nothing */
-		else if ((item2 = list_find(l, end)) == NULL)
-		    EMSGN(_(e_listidx), end);
-		else
-		{
-		    int	    cnt = 0;
-
-		    for (li = item; li != NULL; li = li->li_next)
-		    {
-			++cnt;
-			if (li == item2)
-			    break;
-		    }
-		    if (li == NULL)  /* didn't find "item2" after "item" */
-			EMSG(_(e_invrange));
-		    else
-		    {
-			vimlist_remove(l, item, item2);
-			if (rettv_list_alloc(rettv) == OK)
-			{
-			    l = rettv->vval.v_list;
-			    l->lv_first = item;
-			    l->lv_last = item2;
-			    item->li_prev = NULL;
-			    item2->li_next = NULL;
-			    l->lv_len = cnt;
-			}
-		    }
-		}
-	    }
-	}
-    }
-}
-
-/*
- * "rename({from}, {to})" function
- */
-    static void
-f_rename(typval_T *argvars, typval_T *rettv)
-{
-    char_u	buf[NUMBUFLEN];
-
-    if (check_restricted() || check_secure())
-	rettv->vval.v_number = -1;
-    else
-	rettv->vval.v_number = vim_rename(get_tv_string(&argvars[0]),
-				      get_tv_string_buf(&argvars[1], buf));
-}
-
-/*
- * "repeat()" function
- */
-    static void
-f_repeat(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-    int		n;
-    int		slen;
-    int		len;
-    char_u	*r;
-    int		i;
-
-    n = (int)get_tv_number(&argvars[1]);
-    if (argvars[0].v_type == VAR_LIST)
-    {
-	if (rettv_list_alloc(rettv) == OK && argvars[0].vval.v_list != NULL)
-	    while (n-- > 0)
-		if (list_extend(rettv->vval.v_list,
-					argvars[0].vval.v_list, NULL) == FAIL)
-		    break;
-    }
-    else
-    {
-	p = get_tv_string(&argvars[0]);
-	rettv->v_type = VAR_STRING;
-	rettv->vval.v_string = NULL;
-
-	slen = (int)STRLEN(p);
-	len = slen * n;
-	if (len <= 0)
-	    return;
-
-	r = alloc(len + 1);
-	if (r != NULL)
-	{
-	    for (i = 0; i < n; i++)
-		mch_memmove(r + i * slen, p, (size_t)slen);
-	    r[len] = NUL;
-	}
-
-	rettv->vval.v_string = r;
-    }
-}
-
-/*
- * "resolve()" function
- */
-    static void
-f_resolve(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-#ifdef HAVE_READLINK
-    char_u	*buf = NULL;
-#endif
-
-    p = get_tv_string(&argvars[0]);
-#ifdef FEAT_SHORTCUT
-    {
-	char_u	*v = NULL;
-
-	v = mch_resolve_shortcut(p);
-	if (v != NULL)
-	    rettv->vval.v_string = v;
-	else
-	    rettv->vval.v_string = vim_strsave(p);
-    }
-#else
-# ifdef HAVE_READLINK
-    {
-	char_u	*cpy;
-	int	len;
-	char_u	*remain = NULL;
-	char_u	*q;
-	int	is_relative_to_current = FALSE;
-	int	has_trailing_pathsep = FALSE;
-	int	limit = 100;
-
-	p = vim_strsave(p);
-
-	if (p[0] == '.' && (vim_ispathsep(p[1])
-				   || (p[1] == '.' && (vim_ispathsep(p[2])))))
-	    is_relative_to_current = TRUE;
-
-	len = STRLEN(p);
-	if (len > 0 && after_pathsep(p, p + len))
-	{
-	    has_trailing_pathsep = TRUE;
-	    p[len - 1] = NUL; /* the trailing slash breaks readlink() */
-	}
-
-	q = getnextcomp(p);
-	if (*q != NUL)
-	{
-	    /* Separate the first path component in "p", and keep the
-	     * remainder (beginning with the path separator). */
-	    remain = vim_strsave(q - 1);
-	    q[-1] = NUL;
-	}
-
-	buf = alloc(MAXPATHL + 1);
-	if (buf == NULL)
-	    goto fail;
-
-	for (;;)
-	{
-	    for (;;)
-	    {
-		len = readlink((char *)p, (char *)buf, MAXPATHL);
-		if (len <= 0)
-		    break;
-		buf[len] = NUL;
-
-		if (limit-- == 0)
-		{
-		    vim_free(p);
-		    vim_free(remain);
-		    EMSG(_("E655: Too many symbolic links (cycle?)"));
-		    rettv->vval.v_string = NULL;
-		    goto fail;
-		}
-
-		/* Ensure that the result will have a trailing path separator
-		 * if the argument has one. */
-		if (remain == NULL && has_trailing_pathsep)
-		    add_pathsep(buf);
-
-		/* Separate the first path component in the link value and
-		 * concatenate the remainders. */
-		q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
-		if (*q != NUL)
-		{
-		    if (remain == NULL)
-			remain = vim_strsave(q - 1);
-		    else
-		    {
-			cpy = concat_str(q - 1, remain);
-			if (cpy != NULL)
-			{
-			    vim_free(remain);
-			    remain = cpy;
-			}
-		    }
-		    q[-1] = NUL;
-		}
-
-		q = gettail(p);
-		if (q > p && *q == NUL)
-		{
-		    /* Ignore trailing path separator. */
-		    q[-1] = NUL;
-		    q = gettail(p);
-		}
-		if (q > p && !mch_isFullName(buf))
-		{
-		    /* symlink is relative to directory of argument */
-		    cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
-		    if (cpy != NULL)
-		    {
-			STRCPY(cpy, p);
-			STRCPY(gettail(cpy), buf);
-			vim_free(p);
-			p = cpy;
-		    }
-		}
-		else
-		{
-		    vim_free(p);
-		    p = vim_strsave(buf);
-		}
-	    }
-
-	    if (remain == NULL)
-		break;
-
-	    /* Append the first path component of "remain" to "p". */
-	    q = getnextcomp(remain + 1);
-	    len = q - remain - (*q != NUL);
-	    cpy = vim_strnsave(p, STRLEN(p) + len);
-	    if (cpy != NULL)
-	    {
-		STRNCAT(cpy, remain, len);
-		vim_free(p);
-		p = cpy;
-	    }
-	    /* Shorten "remain". */
-	    if (*q != NUL)
-		STRMOVE(remain, q - 1);
-	    else
-	    {
-		vim_free(remain);
-		remain = NULL;
-	    }
-	}
-
-	/* If the result is a relative path name, make it explicitly relative to
-	 * the current directory if and only if the argument had this form. */
-	if (!vim_ispathsep(*p))
-	{
-	    if (is_relative_to_current
-		    && *p != NUL
-		    && !(p[0] == '.'
-			&& (p[1] == NUL
-			    || vim_ispathsep(p[1])
-			    || (p[1] == '.'
-				&& (p[2] == NUL
-				    || vim_ispathsep(p[2]))))))
-	    {
-		/* Prepend "./". */
-		cpy = concat_str((char_u *)"./", p);
-		if (cpy != NULL)
-		{
-		    vim_free(p);
-		    p = cpy;
-		}
-	    }
-	    else if (!is_relative_to_current)
-	    {
-		/* Strip leading "./". */
-		q = p;
-		while (q[0] == '.' && vim_ispathsep(q[1]))
-		    q += 2;
-		if (q > p)
-		    STRMOVE(p, p + 2);
-	    }
-	}
-
-	/* Ensure that the result will have no trailing path separator
-	 * if the argument had none.  But keep "/" or "//". */
-	if (!has_trailing_pathsep)
-	{
-	    q = p + STRLEN(p);
-	    if (after_pathsep(p, q))
-		*gettail_sep(p) = NUL;
-	}
-
-	rettv->vval.v_string = p;
-    }
-# else
-    rettv->vval.v_string = vim_strsave(p);
-# endif
-#endif
-
-    simplify_filename(rettv->vval.v_string);
-
-#ifdef HAVE_READLINK
-fail:
-    vim_free(buf);
-#endif
-    rettv->v_type = VAR_STRING;
-}
-
-/*
- * "reverse({list})" function
- */
-    static void
-f_reverse(typval_T *argvars, typval_T *rettv)
-{
-    list_T	*l;
-    listitem_T	*li, *ni;
-
-    if (argvars[0].v_type != VAR_LIST)
-	EMSG2(_(e_listarg), "reverse()");
-    else if ((l = argvars[0].vval.v_list) != NULL
-	    && !tv_check_lock(l->lv_lock,
-				    (char_u *)N_("reverse() argument"), TRUE))
-    {
-	li = l->lv_last;
-	l->lv_first = l->lv_last = NULL;
-	l->lv_len = 0;
-	while (li != NULL)
-	{
-	    ni = li->li_prev;
-	    list_append(l, li);
-	    li = ni;
-	}
-	rettv->vval.v_list = l;
-	rettv->v_type = VAR_LIST;
-	++l->lv_refcount;
-	l->lv_idx = l->lv_len - l->lv_idx - 1;
-    }
-}
-
-#define SP_NOMOVE	0x01	    /* don't move cursor */
-#define SP_REPEAT	0x02	    /* repeat to find outer pair */
-#define SP_RETCOUNT	0x04	    /* return matchcount */
-#define SP_SETPCMARK	0x08	    /* set previous context mark */
-#define SP_START	0x10	    /* accept match at start position */
-#define SP_SUBPAT	0x20	    /* return nr of matching sub-pattern */
-#define SP_END		0x40	    /* leave cursor at end of match */
-#define SP_COLUMN	0x80	    /* start at cursor column */
-
-static int get_search_arg(typval_T *varp, int *flagsp);
-
-/*
- * Get flags for a search function.
- * Possibly sets "p_ws".
- * Returns BACKWARD, FORWARD or zero (for an error).
- */
-    static int
-get_search_arg(typval_T *varp, int *flagsp)
-{
-    int		dir = FORWARD;
-    char_u	*flags;
-    char_u	nbuf[NUMBUFLEN];
-    int		mask;
-
-    if (varp->v_type != VAR_UNKNOWN)
-    {
-	flags = get_tv_string_buf_chk(varp, nbuf);
-	if (flags == NULL)
-	    return 0;		/* type error; errmsg already given */
-	while (*flags != NUL)
-	{
-	    switch (*flags)
-	    {
-		case 'b': dir = BACKWARD; break;
-		case 'w': p_ws = TRUE; break;
-		case 'W': p_ws = FALSE; break;
-		default:  mask = 0;
-			  if (flagsp != NULL)
-			     switch (*flags)
-			     {
-				 case 'c': mask = SP_START; break;
-				 case 'e': mask = SP_END; break;
-				 case 'm': mask = SP_RETCOUNT; break;
-				 case 'n': mask = SP_NOMOVE; break;
-				 case 'p': mask = SP_SUBPAT; break;
-				 case 'r': mask = SP_REPEAT; break;
-				 case 's': mask = SP_SETPCMARK; break;
-				 case 'z': mask = SP_COLUMN; break;
-			     }
-			  if (mask == 0)
-			  {
-			      EMSG2(_(e_invarg2), flags);
-			      dir = 0;
-			  }
-			  else
-			      *flagsp |= mask;
-	    }
-	    if (dir == 0)
-		break;
-	    ++flags;
-	}
-    }
-    return dir;
-}
-
-/*
- * Shared by search() and searchpos() functions.
- */
-    static int
-search_cmn(typval_T *argvars, pos_T *match_pos, int *flagsp)
-{
-    int		flags;
-    char_u	*pat;
-    pos_T	pos;
-    pos_T	save_cursor;
-    int		save_p_ws = p_ws;
-    int		dir;
-    int		retval = 0;	/* default: FAIL */
-    long	lnum_stop = 0;
-    proftime_T	tm;
-#ifdef FEAT_RELTIME
-    long	time_limit = 0;
-#endif
-    int		options = SEARCH_KEEP;
-    int		subpatnum;
-
-    pat = get_tv_string(&argvars[0]);
-    dir = get_search_arg(&argvars[1], flagsp);	/* may set p_ws */
-    if (dir == 0)
-	goto theend;
-    flags = *flagsp;
-    if (flags & SP_START)
-	options |= SEARCH_START;
-    if (flags & SP_END)
-	options |= SEARCH_END;
-    if (flags & SP_COLUMN)
-	options |= SEARCH_COL;
-
-    /* Optional arguments: line number to stop searching and timeout. */
-    if (argvars[1].v_type != VAR_UNKNOWN && argvars[2].v_type != VAR_UNKNOWN)
-    {
-	lnum_stop = (long)get_tv_number_chk(&argvars[2], NULL);
-	if (lnum_stop < 0)
-	    goto theend;
-#ifdef FEAT_RELTIME
-	if (argvars[3].v_type != VAR_UNKNOWN)
-	{
-	    time_limit = (long)get_tv_number_chk(&argvars[3], NULL);
-	    if (time_limit < 0)
-		goto theend;
-	}
-#endif
-    }
-
-#ifdef FEAT_RELTIME
-    /* Set the time limit, if there is one. */
-    profile_setlimit(time_limit, &tm);
-#endif
-
-    /*
-     * This function does not accept SP_REPEAT and SP_RETCOUNT flags.
-     * Check to make sure only those flags are set.
-     * Also, Only the SP_NOMOVE or the SP_SETPCMARK flag can be set. Both
-     * flags cannot be set. Check for that condition also.
-     */
-    if (((flags & (SP_REPEAT | SP_RETCOUNT)) != 0)
-	    || ((flags & SP_NOMOVE) && (flags & SP_SETPCMARK)))
-    {
-	EMSG2(_(e_invarg2), get_tv_string(&argvars[1]));
-	goto theend;
-    }
-
-    pos = save_cursor = curwin->w_cursor;
-    subpatnum = searchit(curwin, curbuf, &pos, dir, pat, 1L,
-				options, RE_SEARCH, (linenr_T)lnum_stop, &tm);
-    if (subpatnum != FAIL)
-    {
-	if (flags & SP_SUBPAT)
-	    retval = subpatnum;
-	else
-	    retval = pos.lnum;
-	if (flags & SP_SETPCMARK)
-	    setpcmark();
-	curwin->w_cursor = pos;
-	if (match_pos != NULL)
-	{
-	    /* Store the match cursor position */
-	    match_pos->lnum = pos.lnum;
-	    match_pos->col = pos.col + 1;
-	}
-	/* "/$" will put the cursor after the end of the line, may need to
-	 * correct that here */
-	check_cursor();
-    }
-
-    /* If 'n' flag is used: restore cursor position. */
-    if (flags & SP_NOMOVE)
-	curwin->w_cursor = save_cursor;
-    else
-	curwin->w_set_curswant = TRUE;
-theend:
-    p_ws = save_p_ws;
-
-    return retval;
-}
-
-#ifdef FEAT_FLOAT
-
-/*
- * round() is not in C90, use ceil() or floor() instead.
- */
-    float_T
-vim_round(float_T f)
-{
-    return f > 0 ? floor(f + 0.5) : ceil(f - 0.5);
-}
-
-/*
- * "round({float})" function
- */
-    static void
-f_round(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = vim_round(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "screenattr()" function
- */
-    static void
-f_screenattr(typval_T *argvars, typval_T *rettv)
-{
-    int		row;
-    int		col;
-    int		c;
-
-    row = (int)get_tv_number_chk(&argvars[0], NULL) - 1;
-    col = (int)get_tv_number_chk(&argvars[1], NULL) - 1;
-    if (row < 0 || row >= screen_Rows
-	    || col < 0 || col >= screen_Columns)
-	c = -1;
-    else
-	c = ScreenAttrs[LineOffset[row] + col];
-    rettv->vval.v_number = c;
-}
-
-/*
- * "screenchar()" function
- */
-    static void
-f_screenchar(typval_T *argvars, typval_T *rettv)
-{
-    int		row;
-    int		col;
-    int		off;
-    int		c;
-
-    row = (int)get_tv_number_chk(&argvars[0], NULL) - 1;
-    col = (int)get_tv_number_chk(&argvars[1], NULL) - 1;
-    if (row < 0 || row >= screen_Rows
-	    || col < 0 || col >= screen_Columns)
-	c = -1;
-    else
-    {
-	off = LineOffset[row] + col;
-#ifdef FEAT_MBYTE
-	if (enc_utf8 && ScreenLinesUC[off] != 0)
-	    c = ScreenLinesUC[off];
-	else
-#endif
-	    c = ScreenLines[off];
-    }
-    rettv->vval.v_number = c;
-}
-
-/*
- * "screencol()" function
- *
- * First column is 1 to be consistent with virtcol().
- */
-    static void
-f_screencol(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = screen_screencol() + 1;
-}
-
-/*
- * "screenrow()" function
- */
-    static void
-f_screenrow(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = screen_screenrow() + 1;
-}
-
-/*
- * "search()" function
- */
-    static void
-f_search(typval_T *argvars, typval_T *rettv)
-{
-    int		flags = 0;
-
-    rettv->vval.v_number = search_cmn(argvars, NULL, &flags);
-}
-
-/*
- * "searchdecl()" function
- */
-    static void
-f_searchdecl(typval_T *argvars, typval_T *rettv)
-{
-    int		locally = 1;
-    int		thisblock = 0;
-    int		error = FALSE;
-    char_u	*name;
-
-    rettv->vval.v_number = 1;	/* default: FAIL */
-
-    name = get_tv_string_chk(&argvars[0]);
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	locally = (int)get_tv_number_chk(&argvars[1], &error) == 0;
-	if (!error && argvars[2].v_type != VAR_UNKNOWN)
-	    thisblock = (int)get_tv_number_chk(&argvars[2], &error) != 0;
-    }
-    if (!error && name != NULL)
-	rettv->vval.v_number = find_decl(name, (int)STRLEN(name),
-				     locally, thisblock, SEARCH_KEEP) == FAIL;
-}
-
-/*
- * Used by searchpair() and searchpairpos()
- */
-    static int
-searchpair_cmn(typval_T *argvars, pos_T *match_pos)
-{
-    char_u	*spat, *mpat, *epat;
-    char_u	*skip;
-    int		save_p_ws = p_ws;
-    int		dir;
-    int		flags = 0;
-    char_u	nbuf1[NUMBUFLEN];
-    char_u	nbuf2[NUMBUFLEN];
-    char_u	nbuf3[NUMBUFLEN];
-    int		retval = 0;		/* default: FAIL */
-    long	lnum_stop = 0;
-    long	time_limit = 0;
-
-    /* Get the three pattern arguments: start, middle, end. */
-    spat = get_tv_string_chk(&argvars[0]);
-    mpat = get_tv_string_buf_chk(&argvars[1], nbuf1);
-    epat = get_tv_string_buf_chk(&argvars[2], nbuf2);
-    if (spat == NULL || mpat == NULL || epat == NULL)
-	goto theend;	    /* type error */
-
-    /* Handle the optional fourth argument: flags */
-    dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
-    if (dir == 0)
-	goto theend;
-
-    /* Don't accept SP_END or SP_SUBPAT.
-     * Only one of the SP_NOMOVE or SP_SETPCMARK flags can be set.
-     */
-    if ((flags & (SP_END | SP_SUBPAT)) != 0
-	    || ((flags & SP_NOMOVE) && (flags & SP_SETPCMARK)))
-    {
-	EMSG2(_(e_invarg2), get_tv_string(&argvars[3]));
-	goto theend;
-    }
-
-    /* Using 'r' implies 'W', otherwise it doesn't work. */
-    if (flags & SP_REPEAT)
-	p_ws = FALSE;
-
-    /* Optional fifth argument: skip expression */
-    if (argvars[3].v_type == VAR_UNKNOWN
-	    || argvars[4].v_type == VAR_UNKNOWN)
-	skip = (char_u *)"";
-    else
-    {
-	skip = get_tv_string_buf_chk(&argvars[4], nbuf3);
-	if (argvars[5].v_type != VAR_UNKNOWN)
-	{
-	    lnum_stop = (long)get_tv_number_chk(&argvars[5], NULL);
-	    if (lnum_stop < 0)
-		goto theend;
-#ifdef FEAT_RELTIME
-	    if (argvars[6].v_type != VAR_UNKNOWN)
-	    {
-		time_limit = (long)get_tv_number_chk(&argvars[6], NULL);
-		if (time_limit < 0)
-		    goto theend;
-	    }
-#endif
-	}
-    }
-    if (skip == NULL)
-	goto theend;	    /* type error */
-
-    retval = do_searchpair(spat, mpat, epat, dir, skip, flags,
-					    match_pos, lnum_stop, time_limit);
-
-theend:
-    p_ws = save_p_ws;
-
-    return retval;
-}
-
-/*
- * "searchpair()" function
- */
-    static void
-f_searchpair(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = searchpair_cmn(argvars, NULL);
-}
-
-/*
- * "searchpairpos()" function
- */
-    static void
-f_searchpairpos(typval_T *argvars, typval_T *rettv)
-{
-    pos_T	match_pos;
-    int		lnum = 0;
-    int		col = 0;
-
-    if (rettv_list_alloc(rettv) == FAIL)
-	return;
-
-    if (searchpair_cmn(argvars, &match_pos) > 0)
-    {
-	lnum = match_pos.lnum;
-	col = match_pos.col;
-    }
-
-    list_append_number(rettv->vval.v_list, (varnumber_T)lnum);
-    list_append_number(rettv->vval.v_list, (varnumber_T)col);
-}
-
-/*
- * Search for a start/middle/end thing.
- * Used by searchpair(), see its documentation for the details.
- * Returns 0 or -1 for no match,
- */
-    long
-do_searchpair(
-    char_u	*spat,	    /* start pattern */
-    char_u	*mpat,	    /* middle pattern */
-    char_u	*epat,	    /* end pattern */
-    int		dir,	    /* BACKWARD or FORWARD */
-    char_u	*skip,	    /* skip expression */
-    int		flags,	    /* SP_SETPCMARK and other SP_ values */
-    pos_T	*match_pos,
-    linenr_T	lnum_stop,  /* stop at this line if not zero */
-    long	time_limit UNUSED) /* stop after this many msec */
-{
-    char_u	*save_cpo;
-    char_u	*pat, *pat2 = NULL, *pat3 = NULL;
-    long	retval = 0;
-    pos_T	pos;
-    pos_T	firstpos;
-    pos_T	foundpos;
-    pos_T	save_cursor;
-    pos_T	save_pos;
-    int		n;
-    int		r;
-    int		nest = 1;
-    int		err;
-    int		options = SEARCH_KEEP;
-    proftime_T	tm;
-
-    /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
-    save_cpo = p_cpo;
-    p_cpo = empty_option;
-
-#ifdef FEAT_RELTIME
-    /* Set the time limit, if there is one. */
-    profile_setlimit(time_limit, &tm);
-#endif
-
-    /* Make two search patterns: start/end (pat2, for in nested pairs) and
-     * start/middle/end (pat3, for the top pair). */
-    pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
-    pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
-    if (pat2 == NULL || pat3 == NULL)
-	goto theend;
-    sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
-    if (*mpat == NUL)
-	STRCPY(pat3, pat2);
-    else
-	sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
-							    spat, epat, mpat);
-    if (flags & SP_START)
-	options |= SEARCH_START;
-
-    save_cursor = curwin->w_cursor;
-    pos = curwin->w_cursor;
-    clearpos(&firstpos);
-    clearpos(&foundpos);
-    pat = pat3;
-    for (;;)
-    {
-	n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
-					   options, RE_SEARCH, lnum_stop, &tm);
-	if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
-	    /* didn't find it or found the first match again: FAIL */
-	    break;
-
-	if (firstpos.lnum == 0)
-	    firstpos = pos;
-	if (equalpos(pos, foundpos))
-	{
-	    /* Found the same position again.  Can happen with a pattern that
-	     * has "\zs" at the end and searching backwards.  Advance one
-	     * character and try again. */
-	    if (dir == BACKWARD)
-		decl(&pos);
-	    else
-		incl(&pos);
-	}
-	foundpos = pos;
-
-	/* clear the start flag to avoid getting stuck here */
-	options &= ~SEARCH_START;
-
-	/* If the skip pattern matches, ignore this match. */
-	if (*skip != NUL)
-	{
-	    save_pos = curwin->w_cursor;
-	    curwin->w_cursor = pos;
-	    r = eval_to_bool(skip, &err, NULL, FALSE);
-	    curwin->w_cursor = save_pos;
-	    if (err)
-	    {
-		/* Evaluating {skip} caused an error, break here. */
-		curwin->w_cursor = save_cursor;
-		retval = -1;
-		break;
-	    }
-	    if (r)
-		continue;
-	}
-
-	if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
-	{
-	    /* Found end when searching backwards or start when searching
-	     * forward: nested pair. */
-	    ++nest;
-	    pat = pat2;		/* nested, don't search for middle */
-	}
-	else
-	{
-	    /* Found end when searching forward or start when searching
-	     * backward: end of (nested) pair; or found middle in outer pair. */
-	    if (--nest == 1)
-		pat = pat3;	/* outer level, search for middle */
-	}
-
-	if (nest == 0)
-	{
-	    /* Found the match: return matchcount or line number. */
-	    if (flags & SP_RETCOUNT)
-		++retval;
-	    else
-		retval = pos.lnum;
-	    if (flags & SP_SETPCMARK)
-		setpcmark();
-	    curwin->w_cursor = pos;
-	    if (!(flags & SP_REPEAT))
-		break;
-	    nest = 1;	    /* search for next unmatched */
-	}
-    }
-
-    if (match_pos != NULL)
-    {
-	/* Store the match cursor position */
-	match_pos->lnum = curwin->w_cursor.lnum;
-	match_pos->col = curwin->w_cursor.col + 1;
-    }
-
-    /* If 'n' flag is used or search failed: restore cursor position. */
-    if ((flags & SP_NOMOVE) || retval == 0)
-	curwin->w_cursor = save_cursor;
-
-theend:
-    vim_free(pat2);
-    vim_free(pat3);
-    if (p_cpo == empty_option)
-	p_cpo = save_cpo;
-    else
-	/* Darn, evaluating the {skip} expression changed the value. */
-	free_string_option(save_cpo);
-
-    return retval;
-}
-
-/*
- * "searchpos()" function
- */
-    static void
-f_searchpos(typval_T *argvars, typval_T *rettv)
-{
-    pos_T	match_pos;
-    int		lnum = 0;
-    int		col = 0;
-    int		n;
-    int		flags = 0;
-
-    if (rettv_list_alloc(rettv) == FAIL)
-	return;
-
-    n = search_cmn(argvars, &match_pos, &flags);
-    if (n > 0)
-    {
-	lnum = match_pos.lnum;
-	col = match_pos.col;
-    }
-
-    list_append_number(rettv->vval.v_list, (varnumber_T)lnum);
-    list_append_number(rettv->vval.v_list, (varnumber_T)col);
-    if (flags & SP_SUBPAT)
-	list_append_number(rettv->vval.v_list, (varnumber_T)n);
-}
-
-    static void
-f_server2client(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_CLIENTSERVER
-    char_u	buf[NUMBUFLEN];
-    char_u	*server = get_tv_string_chk(&argvars[0]);
-    char_u	*reply = get_tv_string_buf_chk(&argvars[1], buf);
-
-    rettv->vval.v_number = -1;
-    if (server == NULL || reply == NULL)
-	return;
-    if (check_restricted() || check_secure())
-	return;
-# ifdef FEAT_X11
-    if (check_connection() == FAIL)
-	return;
-# endif
-
-    if (serverSendReply(server, reply) < 0)
-    {
-	EMSG(_("E258: Unable to send to client"));
-	return;
-    }
-    rettv->vval.v_number = 0;
-#else
-    rettv->vval.v_number = -1;
-#endif
-}
-
-    static void
-f_serverlist(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    char_u	*r = NULL;
-
-#ifdef FEAT_CLIENTSERVER
-# ifdef WIN32
-    r = serverGetVimNames();
-# else
-    make_connection();
-    if (X_DISPLAY != NULL)
-	r = serverGetVimNames(X_DISPLAY);
-# endif
-#endif
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = r;
-}
-
-/*
- * "setbufvar()" function
- */
-    static void
-f_setbufvar(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    buf_T	*buf;
-    char_u	*varname, *bufvarname;
-    typval_T	*varp;
-    char_u	nbuf[NUMBUFLEN];
-
-    if (check_restricted() || check_secure())
-	return;
-    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
-    varname = get_tv_string_chk(&argvars[1]);
-    buf = get_buf_tv(&argvars[0], FALSE);
-    varp = &argvars[2];
-
-    if (buf != NULL && varname != NULL && varp != NULL)
-    {
-	if (*varname == '&')
-	{
-	    long	numval;
-	    char_u	*strval;
-	    int		error = FALSE;
-	    aco_save_T	aco;
-
-	    /* set curbuf to be our buf, temporarily */
-	    aucmd_prepbuf(&aco, buf);
-
-	    ++varname;
-	    numval = (long)get_tv_number_chk(varp, &error);
-	    strval = get_tv_string_buf_chk(varp, nbuf);
-	    if (!error && strval != NULL)
-		set_option_value(varname, numval, strval, OPT_LOCAL);
-
-	    /* reset notion of buffer */
-	    aucmd_restbuf(&aco);
-	}
-	else
-	{
-	    buf_T *save_curbuf = curbuf;
-
-	    bufvarname = alloc((unsigned)STRLEN(varname) + 3);
-	    if (bufvarname != NULL)
-	    {
-		curbuf = buf;
-		STRCPY(bufvarname, "b:");
-		STRCPY(bufvarname + 2, varname);
-		set_var(bufvarname, varp, TRUE);
-		vim_free(bufvarname);
-		curbuf = save_curbuf;
-	    }
-	}
-    }
-}
-
-    static void
-f_setcharsearch(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    dict_T	*d;
-    dictitem_T	*di;
-    char_u	*csearch;
-
-    if (argvars[0].v_type != VAR_DICT)
-    {
-	EMSG(_(e_dictreq));
-	return;
-    }
-
-    if ((d = argvars[0].vval.v_dict) != NULL)
-    {
-	csearch = get_dict_string(d, (char_u *)"char", FALSE);
-	if (csearch != NULL)
-	{
-#ifdef FEAT_MBYTE
-	    if (enc_utf8)
-	    {
-		int pcc[MAX_MCO];
-		int c = utfc_ptr2char(csearch, pcc);
-
-		set_last_csearch(c, csearch, utfc_ptr2len(csearch));
-	    }
-	    else
-#endif
-		set_last_csearch(PTR2CHAR(csearch),
-						csearch, MB_PTR2LEN(csearch));
-	}
-
-	di = dict_find(d, (char_u *)"forward", -1);
-	if (di != NULL)
-	    set_csearch_direction((int)get_tv_number(&di->di_tv)
-							? FORWARD : BACKWARD);
-
-	di = dict_find(d, (char_u *)"until", -1);
-	if (di != NULL)
-	    set_csearch_until(!!get_tv_number(&di->di_tv));
-    }
-}
-
-/*
- * "setcmdpos()" function
- */
-    static void
-f_setcmdpos(typval_T *argvars, typval_T *rettv)
-{
-    int		pos = (int)get_tv_number(&argvars[0]) - 1;
-
-    if (pos >= 0)
-	rettv->vval.v_number = set_cmdline_pos(pos);
-}
-
-/*
- * "setfperm({fname}, {mode})" function
- */
-    static void
-f_setfperm(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*fname;
-    char_u	modebuf[NUMBUFLEN];
-    char_u	*mode_str;
-    int		i;
-    int		mask;
-    int		mode = 0;
-
-    rettv->vval.v_number = 0;
-    fname = get_tv_string_chk(&argvars[0]);
-    if (fname == NULL)
-	return;
-    mode_str = get_tv_string_buf_chk(&argvars[1], modebuf);
-    if (mode_str == NULL)
-	return;
-    if (STRLEN(mode_str) != 9)
-    {
-	EMSG2(_(e_invarg2), mode_str);
-	return;
-    }
-
-    mask = 1;
-    for (i = 8; i >= 0; --i)
-    {
-	if (mode_str[i] != '-')
-	    mode |= mask;
-	mask = mask << 1;
-    }
-    rettv->vval.v_number = mch_setperm(fname, mode) == OK;
-}
-
-/*
- * "setline()" function
- */
-    static void
-f_setline(typval_T *argvars, typval_T *rettv)
-{
-    linenr_T	lnum;
-    char_u	*line = NULL;
-    list_T	*l = NULL;
-    listitem_T	*li = NULL;
-    long	added = 0;
-    linenr_T	lcount = curbuf->b_ml.ml_line_count;
-
-    lnum = get_tv_lnum(&argvars[0]);
-    if (argvars[1].v_type == VAR_LIST)
-    {
-	l = argvars[1].vval.v_list;
-	li = l->lv_first;
-    }
-    else
-	line = get_tv_string_chk(&argvars[1]);
-
-    /* default result is zero == OK */
-    for (;;)
-    {
-	if (l != NULL)
-	{
-	    /* list argument, get next string */
-	    if (li == NULL)
-		break;
-	    line = get_tv_string_chk(&li->li_tv);
-	    li = li->li_next;
-	}
-
-	rettv->vval.v_number = 1;	/* FAIL */
-	if (line == NULL || lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
-	    break;
-
-	/* When coming here from Insert mode, sync undo, so that this can be
-	 * undone separately from what was previously inserted. */
-	if (u_sync_once == 2)
-	{
-	    u_sync_once = 1; /* notify that u_sync() was called */
-	    u_sync(TRUE);
-	}
-
-	if (lnum <= curbuf->b_ml.ml_line_count)
-	{
-	    /* existing line, replace it */
-	    if (u_savesub(lnum) == OK && ml_replace(lnum, line, TRUE) == OK)
-	    {
-		changed_bytes(lnum, 0);
-		if (lnum == curwin->w_cursor.lnum)
-		    check_cursor_col();
-		rettv->vval.v_number = 0;	/* OK */
-	    }
-	}
-	else if (added > 0 || u_save(lnum - 1, lnum) == OK)
-	{
-	    /* lnum is one past the last line, append the line */
-	    ++added;
-	    if (ml_append(lnum - 1, line, (colnr_T)0, FALSE) == OK)
-		rettv->vval.v_number = 0;	/* OK */
-	}
-
-	if (l == NULL)			/* only one string argument */
-	    break;
-	++lnum;
-    }
-
-    if (added > 0)
-	appended_lines_mark(lcount, added);
-}
-
-static void set_qf_ll_list(win_T *wp, typval_T *list_arg, typval_T *action_arg, typval_T *rettv);
-
-/*
- * Used by "setqflist()" and "setloclist()" functions
- */
-    static void
-set_qf_ll_list(
-    win_T	*wp UNUSED,
-    typval_T	*list_arg UNUSED,
-    typval_T	*action_arg UNUSED,
-    typval_T	*rettv)
-{
-#ifdef FEAT_QUICKFIX
-    static char *e_invact = N_("E927: Invalid action: '%s'");
-    char_u	*act;
-    int		action = 0;
-#endif
-
-    rettv->vval.v_number = -1;
-
-#ifdef FEAT_QUICKFIX
-    if (list_arg->v_type != VAR_LIST)
-	EMSG(_(e_listreq));
-    else
-    {
-	list_T  *l = list_arg->vval.v_list;
-
-	if (action_arg->v_type == VAR_STRING)
-	{
-	    act = get_tv_string_chk(action_arg);
-	    if (act == NULL)
-		return;		/* type error; errmsg already given */
-	    if ((*act == 'a' || *act == 'r' || *act == ' ') && act[1] == NUL)
-		action = *act;
-	    else
-		EMSG2(_(e_invact), act);
-	}
-	else if (action_arg->v_type == VAR_UNKNOWN)
-	    action = ' ';
-	else
-	    EMSG(_(e_stringreq));
-
-	if (l != NULL && action && set_errorlist(wp, l, action,
-	       (char_u *)(wp == NULL ? "setqflist()" : "setloclist()")) == OK)
-	    rettv->vval.v_number = 0;
-    }
-#endif
-}
-
-/*
- * "setloclist()" function
- */
-    static void
-f_setloclist(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*win;
-
-    rettv->vval.v_number = -1;
-
-    win = find_win_by_nr(&argvars[0], NULL);
-    if (win != NULL)
-	set_qf_ll_list(win, &argvars[1], &argvars[2], rettv);
-}
-
-/*
- * "setmatches()" function
- */
-    static void
-f_setmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_SEARCH_EXTRA
-    list_T	*l;
-    listitem_T	*li;
-    dict_T	*d;
-    list_T	*s = NULL;
-
-    rettv->vval.v_number = -1;
-    if (argvars[0].v_type != VAR_LIST)
-    {
-	EMSG(_(e_listreq));
-	return;
-    }
-    if ((l = argvars[0].vval.v_list) != NULL)
-    {
-
-	/* To some extent make sure that we are dealing with a list from
-	 * "getmatches()". */
-	li = l->lv_first;
-	while (li != NULL)
-	{
-	    if (li->li_tv.v_type != VAR_DICT
-		    || (d = li->li_tv.vval.v_dict) == NULL)
-	    {
-		EMSG(_(e_invarg));
-		return;
-	    }
-	    if (!(dict_find(d, (char_u *)"group", -1) != NULL
-			&& (dict_find(d, (char_u *)"pattern", -1) != NULL
-			    || dict_find(d, (char_u *)"pos1", -1) != NULL)
-			&& dict_find(d, (char_u *)"priority", -1) != NULL
-			&& dict_find(d, (char_u *)"id", -1) != NULL))
-	    {
-		EMSG(_(e_invarg));
-		return;
-	    }
-	    li = li->li_next;
-	}
-
-	clear_matches(curwin);
-	li = l->lv_first;
-	while (li != NULL)
-	{
-	    int		i = 0;
-	    char_u	buf[5];
-	    dictitem_T  *di;
-	    char_u	*group;
-	    int		priority;
-	    int		id;
-	    char_u	*conceal;
-
-	    d = li->li_tv.vval.v_dict;
-	    if (dict_find(d, (char_u *)"pattern", -1) == NULL)
-	    {
-		if (s == NULL)
-		{
-		    s = list_alloc();
-		    if (s == NULL)
-			return;
-		}
-
-		/* match from matchaddpos() */
-		for (i = 1; i < 9; i++)
-		{
-		    sprintf((char *)buf, (char *)"pos%d", i);
-		    if ((di = dict_find(d, (char_u *)buf, -1)) != NULL)
-		    {
-			if (di->di_tv.v_type != VAR_LIST)
-			    return;
-
-			list_append_tv(s, &di->di_tv);
-			s->lv_refcount++;
-		    }
-		    else
-			break;
-		}
-	    }
-
-	    group = get_dict_string(d, (char_u *)"group", FALSE);
-	    priority = (int)get_dict_number(d, (char_u *)"priority");
-	    id = (int)get_dict_number(d, (char_u *)"id");
-	    conceal = dict_find(d, (char_u *)"conceal", -1) != NULL
-			      ? get_dict_string(d, (char_u *)"conceal", FALSE)
-			      : NULL;
-	    if (i == 0)
-	    {
-		match_add(curwin, group,
-		    get_dict_string(d, (char_u *)"pattern", FALSE),
-		    priority, id, NULL, conceal);
-	    }
-	    else
-	    {
-		match_add(curwin, group, NULL, priority, id, s, conceal);
-		list_unref(s);
-		s = NULL;
-	    }
-
-	    li = li->li_next;
-	}
-	rettv->vval.v_number = 0;
-    }
-#endif
-}
-
-/*
- * "setpos()" function
- */
-    static void
-f_setpos(typval_T *argvars, typval_T *rettv)
-{
-    pos_T	pos;
-    int		fnum;
-    char_u	*name;
-    colnr_T	curswant = -1;
-
-    rettv->vval.v_number = -1;
-    name = get_tv_string_chk(argvars);
-    if (name != NULL)
-    {
-	if (list2fpos(&argvars[1], &pos, &fnum, &curswant) == OK)
-	{
-	    if (--pos.col < 0)
-		pos.col = 0;
-	    if (name[0] == '.' && name[1] == NUL)
-	    {
-		/* set cursor */
-		if (fnum == curbuf->b_fnum)
-		{
-		    curwin->w_cursor = pos;
-		    if (curswant >= 0)
-		    {
-			curwin->w_curswant = curswant - 1;
-			curwin->w_set_curswant = FALSE;
-		    }
-		    check_cursor();
-		    rettv->vval.v_number = 0;
-		}
-		else
-		    EMSG(_(e_invarg));
-	    }
-	    else if (name[0] == '\'' && name[1] != NUL && name[2] == NUL)
-	    {
-		/* set mark */
-		if (setmark_pos(name[1], &pos, fnum) == OK)
-		    rettv->vval.v_number = 0;
-	    }
-	    else
-		EMSG(_(e_invarg));
-	}
-    }
-}
-
-/*
- * "setqflist()" function
- */
-    static void
-f_setqflist(typval_T *argvars, typval_T *rettv)
-{
-    set_qf_ll_list(NULL, &argvars[0], &argvars[1], rettv);
-}
-
-/*
- * "setreg()" function
- */
-    static void
-f_setreg(typval_T *argvars, typval_T *rettv)
-{
-    int		regname;
-    char_u	*strregname;
-    char_u	*stropt;
-    char_u	*strval;
-    int		append;
-    char_u	yank_type;
-    long	block_len;
-
-    block_len = -1;
-    yank_type = MAUTO;
-    append = FALSE;
-
-    strregname = get_tv_string_chk(argvars);
-    rettv->vval.v_number = 1;		/* FAIL is default */
-
-    if (strregname == NULL)
-	return;		/* type error; errmsg already given */
-    regname = *strregname;
-    if (regname == 0 || regname == '@')
-	regname = '"';
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	stropt = get_tv_string_chk(&argvars[2]);
-	if (stropt == NULL)
-	    return;		/* type error */
-	for (; *stropt != NUL; ++stropt)
-	    switch (*stropt)
-	    {
-		case 'a': case 'A':	/* append */
-		    append = TRUE;
-		    break;
-		case 'v': case 'c':	/* character-wise selection */
-		    yank_type = MCHAR;
-		    break;
-		case 'V': case 'l':	/* line-wise selection */
-		    yank_type = MLINE;
-		    break;
-		case 'b': case Ctrl_V:	/* block-wise selection */
-		    yank_type = MBLOCK;
-		    if (VIM_ISDIGIT(stropt[1]))
-		    {
-			++stropt;
-			block_len = getdigits(&stropt) - 1;
-			--stropt;
-		    }
-		    break;
-	    }
-    }
-
-    if (argvars[1].v_type == VAR_LIST)
-    {
-	char_u		**lstval;
-	char_u		**allocval;
-	char_u		buf[NUMBUFLEN];
-	char_u		**curval;
-	char_u		**curallocval;
-	list_T		*ll = argvars[1].vval.v_list;
-	listitem_T	*li;
-	int		len;
-
-	/* If the list is NULL handle like an empty list. */
-	len = ll == NULL ? 0 : ll->lv_len;
-
-	/* First half: use for pointers to result lines; second half: use for
-	 * pointers to allocated copies. */
-	lstval = (char_u **)alloc(sizeof(char_u *) * ((len + 1) * 2));
-	if (lstval == NULL)
-	    return;
-	curval = lstval;
-	allocval = lstval + len + 2;
-	curallocval = allocval;
-
-	for (li = ll == NULL ? NULL : ll->lv_first; li != NULL;
-							     li = li->li_next)
-	{
-	    strval = get_tv_string_buf_chk(&li->li_tv, buf);
-	    if (strval == NULL)
-		goto free_lstval;
-	    if (strval == buf)
-	    {
-		/* Need to make a copy, next get_tv_string_buf_chk() will
-		 * overwrite the string. */
-		strval = vim_strsave(buf);
-		if (strval == NULL)
-		    goto free_lstval;
-		*curallocval++ = strval;
-	    }
-	    *curval++ = strval;
-	}
-	*curval++ = NULL;
-
-	write_reg_contents_lst(regname, lstval, -1,
-						append, yank_type, block_len);
-free_lstval:
-	while (curallocval > allocval)
-	    vim_free(*--curallocval);
-	vim_free(lstval);
-    }
-    else
-    {
-	strval = get_tv_string_chk(&argvars[1]);
-	if (strval == NULL)
-	    return;
-	write_reg_contents_ex(regname, strval, -1,
-						append, yank_type, block_len);
-    }
-    rettv->vval.v_number = 0;
-}
-
-/*
- * "settabvar()" function
- */
-    static void
-f_settabvar(typval_T *argvars, typval_T *rettv)
-{
-#ifdef FEAT_WINDOWS
-    tabpage_T	*save_curtab;
-    tabpage_T	*tp;
-#endif
-    char_u	*varname, *tabvarname;
-    typval_T	*varp;
-
-    rettv->vval.v_number = 0;
-
-    if (check_restricted() || check_secure())
-	return;
-
-#ifdef FEAT_WINDOWS
-    tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
-#endif
-    varname = get_tv_string_chk(&argvars[1]);
-    varp = &argvars[2];
-
-    if (varname != NULL && varp != NULL
-#ifdef FEAT_WINDOWS
-	    && tp != NULL
-#endif
-	    )
-    {
-#ifdef FEAT_WINDOWS
-	save_curtab = curtab;
-	goto_tabpage_tp(tp, FALSE, FALSE);
-#endif
-
-	tabvarname = alloc((unsigned)STRLEN(varname) + 3);
-	if (tabvarname != NULL)
-	{
-	    STRCPY(tabvarname, "t:");
-	    STRCPY(tabvarname + 2, varname);
-	    set_var(tabvarname, varp, TRUE);
-	    vim_free(tabvarname);
-	}
-
-#ifdef FEAT_WINDOWS
-	/* Restore current tabpage */
-	if (valid_tabpage(save_curtab))
-	    goto_tabpage_tp(save_curtab, FALSE, FALSE);
-#endif
-    }
-}
-
-/*
- * "settabwinvar()" function
- */
-    static void
-f_settabwinvar(typval_T *argvars, typval_T *rettv)
-{
-    setwinvar(argvars, rettv, 1);
-}
-
-/*
- * "setwinvar()" function
- */
-    static void
-f_setwinvar(typval_T *argvars, typval_T *rettv)
-{
-    setwinvar(argvars, rettv, 0);
-}
-
-/*
- * "setwinvar()" and "settabwinvar()" functions
- */
-
-    static void
-setwinvar(typval_T *argvars, typval_T *rettv UNUSED, int off)
-{
-    win_T	*win;
-#ifdef FEAT_WINDOWS
-    win_T	*save_curwin;
-    tabpage_T	*save_curtab;
-    int		need_switch_win;
-#endif
-    char_u	*varname, *winvarname;
-    typval_T	*varp;
-    char_u	nbuf[NUMBUFLEN];
-    tabpage_T	*tp = NULL;
-
-    if (check_restricted() || check_secure())
-	return;
-
-#ifdef FEAT_WINDOWS
-    if (off == 1)
-	tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
-    else
-	tp = curtab;
-#endif
-    win = find_win_by_nr(&argvars[off], tp);
-    varname = get_tv_string_chk(&argvars[off + 1]);
-    varp = &argvars[off + 2];
-
-    if (win != NULL && varname != NULL && varp != NULL)
-    {
-#ifdef FEAT_WINDOWS
-	need_switch_win = !(tp == curtab && win == curwin);
-	if (!need_switch_win
-	       || switch_win(&save_curwin, &save_curtab, win, tp, TRUE) == OK)
-#endif
-	{
-	    if (*varname == '&')
-	    {
-		long	numval;
-		char_u	*strval;
-		int		error = FALSE;
-
-		++varname;
-		numval = (long)get_tv_number_chk(varp, &error);
-		strval = get_tv_string_buf_chk(varp, nbuf);
-		if (!error && strval != NULL)
-		    set_option_value(varname, numval, strval, OPT_LOCAL);
-	    }
-	    else
-	    {
-		winvarname = alloc((unsigned)STRLEN(varname) + 3);
-		if (winvarname != NULL)
-		{
-		    STRCPY(winvarname, "w:");
-		    STRCPY(winvarname + 2, varname);
-		    set_var(winvarname, varp, TRUE);
-		    vim_free(winvarname);
-		}
-	    }
-	}
-#ifdef FEAT_WINDOWS
-	if (need_switch_win)
-	    restore_win(save_curwin, save_curtab, TRUE);
-#endif
-    }
-}
-
-#ifdef FEAT_CRYPT
-/*
- * "sha256({string})" function
- */
-    static void
-f_sha256(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-
-    p = get_tv_string(&argvars[0]);
-    rettv->vval.v_string = vim_strsave(
-				    sha256_bytes(p, (int)STRLEN(p), NULL, 0));
-    rettv->v_type = VAR_STRING;
-}
-#endif /* FEAT_CRYPT */
-
-/*
- * "shellescape({string})" function
- */
-    static void
-f_shellescape(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_string = vim_strsave_shellescape(
-		get_tv_string(&argvars[0]), non_zero_arg(&argvars[1]), TRUE);
-    rettv->v_type = VAR_STRING;
-}
-
-/*
- * shiftwidth() function
- */
-    static void
-f_shiftwidth(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->vval.v_number = get_sw_value(curbuf);
-}
-
-/*
- * "simplify()" function
- */
-    static void
-f_simplify(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-
-    p = get_tv_string(&argvars[0]);
-    rettv->vval.v_string = vim_strsave(p);
-    simplify_filename(rettv->vval.v_string);	/* simplify in place */
-    rettv->v_type = VAR_STRING;
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "sin()" function
- */
-    static void
-f_sin(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = sin(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "sinh()" function
- */
-    static void
-f_sinh(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = sinh(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-static int
-#ifdef __BORLANDC__
-    _RTLENTRYF
-#endif
-	item_compare(const void *s1, const void *s2);
-static int
-#ifdef __BORLANDC__
-    _RTLENTRYF
-#endif
-	item_compare2(const void *s1, const void *s2);
-
-/* struct used in the array that's given to qsort() */
-typedef struct
-{
-    listitem_T	*item;
-    int		idx;
-} sortItem_T;
-
-/* struct storing information about current sort */
-typedef struct
-{
-    int		item_compare_ic;
-    int		item_compare_numeric;
-    int		item_compare_numbers;
-#ifdef FEAT_FLOAT
-    int		item_compare_float;
-#endif
-    char_u	*item_compare_func;
-    partial_T	*item_compare_partial;
-    dict_T	*item_compare_selfdict;
-    int		item_compare_func_err;
-    int		item_compare_keep_zero;
-} sortinfo_T;
-static sortinfo_T	*sortinfo = NULL;
-static void	do_sort_uniq(typval_T *argvars, typval_T *rettv, int sort);
-#define ITEM_COMPARE_FAIL 999
-
-/*
- * Compare functions for f_sort() and f_uniq() below.
- */
-    static int
-#ifdef __BORLANDC__
-_RTLENTRYF
-#endif
-item_compare(const void *s1, const void *s2)
-{
-    sortItem_T  *si1, *si2;
-    typval_T	*tv1, *tv2;
-    char_u	*p1, *p2;
-    char_u	*tofree1 = NULL, *tofree2 = NULL;
-    int		res;
-    char_u	numbuf1[NUMBUFLEN];
-    char_u	numbuf2[NUMBUFLEN];
-
-    si1 = (sortItem_T *)s1;
-    si2 = (sortItem_T *)s2;
-    tv1 = &si1->item->li_tv;
-    tv2 = &si2->item->li_tv;
-
-    if (sortinfo->item_compare_numbers)
-    {
-	varnumber_T	v1 = get_tv_number(tv1);
-	varnumber_T	v2 = get_tv_number(tv2);
-
-	return v1 == v2 ? 0 : v1 > v2 ? 1 : -1;
-    }
-
-#ifdef FEAT_FLOAT
-    if (sortinfo->item_compare_float)
-    {
-	float_T	v1 = get_tv_float(tv1);
-	float_T	v2 = get_tv_float(tv2);
-
-	return v1 == v2 ? 0 : v1 > v2 ? 1 : -1;
-    }
-#endif
-
-    /* tv2string() puts quotes around a string and allocates memory.  Don't do
-     * that for string variables. Use a single quote when comparing with a
-     * non-string to do what the docs promise. */
-    if (tv1->v_type == VAR_STRING)
-    {
-	if (tv2->v_type != VAR_STRING || sortinfo->item_compare_numeric)
-	    p1 = (char_u *)"'";
-	else
-	    p1 = tv1->vval.v_string;
-    }
-    else
-	p1 = tv2string(tv1, &tofree1, numbuf1, 0);
-    if (tv2->v_type == VAR_STRING)
-    {
-	if (tv1->v_type != VAR_STRING || sortinfo->item_compare_numeric)
-	    p2 = (char_u *)"'";
-	else
-	    p2 = tv2->vval.v_string;
-    }
-    else
-	p2 = tv2string(tv2, &tofree2, numbuf2, 0);
-    if (p1 == NULL)
-	p1 = (char_u *)"";
-    if (p2 == NULL)
-	p2 = (char_u *)"";
-    if (!sortinfo->item_compare_numeric)
-    {
-	if (sortinfo->item_compare_ic)
-	    res = STRICMP(p1, p2);
-	else
-	    res = STRCMP(p1, p2);
-    }
-    else
-    {
-	double n1, n2;
-	n1 = strtod((char *)p1, (char **)&p1);
-	n2 = strtod((char *)p2, (char **)&p2);
-	res = n1 == n2 ? 0 : n1 > n2 ? 1 : -1;
-    }
-
-    /* When the result would be zero, compare the item indexes.  Makes the
-     * sort stable. */
-    if (res == 0 && !sortinfo->item_compare_keep_zero)
-	res = si1->idx > si2->idx ? 1 : -1;
-
-    vim_free(tofree1);
-    vim_free(tofree2);
-    return res;
-}
-
-    static int
-#ifdef __BORLANDC__
-_RTLENTRYF
-#endif
-item_compare2(const void *s1, const void *s2)
-{
-    sortItem_T  *si1, *si2;
-    int		res;
-    typval_T	rettv;
-    typval_T	argv[3];
-    int		dummy;
-    char_u	*func_name;
-    partial_T	*partial = sortinfo->item_compare_partial;
-
-    /* shortcut after failure in previous call; compare all items equal */
-    if (sortinfo->item_compare_func_err)
-	return 0;
-
-    si1 = (sortItem_T *)s1;
-    si2 = (sortItem_T *)s2;
-
-    if (partial == NULL)
-	func_name = sortinfo->item_compare_func;
-    else
-	func_name = partial->pt_name;
-
-    /* Copy the values.  This is needed to be able to set v_lock to VAR_FIXED
-     * in the copy without changing the original list items. */
-    copy_tv(&si1->item->li_tv, &argv[0]);
-    copy_tv(&si2->item->li_tv, &argv[1]);
-
-    rettv.v_type = VAR_UNKNOWN;		/* clear_tv() uses this */
-    res = call_func(func_name, (int)STRLEN(func_name),
-				 &rettv, 2, argv, 0L, 0L, &dummy, TRUE,
-				 partial, sortinfo->item_compare_selfdict);
-    clear_tv(&argv[0]);
-    clear_tv(&argv[1]);
-
-    if (res == FAIL)
-	res = ITEM_COMPARE_FAIL;
-    else
-	res = (int)get_tv_number_chk(&rettv, &sortinfo->item_compare_func_err);
-    if (sortinfo->item_compare_func_err)
-	res = ITEM_COMPARE_FAIL;  /* return value has wrong type */
-    clear_tv(&rettv);
-
-    /* When the result would be zero, compare the pointers themselves.  Makes
-     * the sort stable. */
-    if (res == 0 && !sortinfo->item_compare_keep_zero)
-	res = si1->idx > si2->idx ? 1 : -1;
-
-    return res;
-}
-
-/*
- * "sort({list})" function
- */
-    static void
-do_sort_uniq(typval_T *argvars, typval_T *rettv, int sort)
-{
-    list_T	*l;
-    listitem_T	*li;
-    sortItem_T	*ptrs;
-    sortinfo_T	*old_sortinfo;
-    sortinfo_T	info;
-    long	len;
-    long	i;
-
-    /* Pointer to current info struct used in compare function. Save and
-     * restore the current one for nested calls. */
-    old_sortinfo = sortinfo;
-    sortinfo = &info;
-
-    if (argvars[0].v_type != VAR_LIST)
-	EMSG2(_(e_listarg), sort ? "sort()" : "uniq()");
-    else
-    {
-	l = argvars[0].vval.v_list;
-	if (l == NULL || tv_check_lock(l->lv_lock,
-	     (char_u *)(sort ? N_("sort() argument") : N_("uniq() argument")),
-									TRUE))
-	    goto theend;
-	rettv->vval.v_list = l;
-	rettv->v_type = VAR_LIST;
-	++l->lv_refcount;
-
-	len = list_len(l);
-	if (len <= 1)
-	    goto theend;	/* short list sorts pretty quickly */
-
-	info.item_compare_ic = FALSE;
-	info.item_compare_numeric = FALSE;
-	info.item_compare_numbers = FALSE;
-#ifdef FEAT_FLOAT
-	info.item_compare_float = FALSE;
-#endif
-	info.item_compare_func = NULL;
-	info.item_compare_partial = NULL;
-	info.item_compare_selfdict = NULL;
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	{
-	    /* optional second argument: {func} */
-	    if (argvars[1].v_type == VAR_FUNC)
-		info.item_compare_func = argvars[1].vval.v_string;
-	    else if (argvars[1].v_type == VAR_PARTIAL)
-		info.item_compare_partial = argvars[1].vval.v_partial;
-	    else
-	    {
-		int	    error = FALSE;
-
-		i = (long)get_tv_number_chk(&argvars[1], &error);
-		if (error)
-		    goto theend;	/* type error; errmsg already given */
-		if (i == 1)
-		    info.item_compare_ic = TRUE;
-		else if (argvars[1].v_type != VAR_NUMBER)
-		    info.item_compare_func = get_tv_string(&argvars[1]);
-		else if (i != 0)
-		{
-		    EMSG(_(e_invarg));
-		    goto theend;
-		}
-		if (info.item_compare_func != NULL)
-		{
-		    if (*info.item_compare_func == NUL)
-		    {
-			/* empty string means default sort */
-			info.item_compare_func = NULL;
-		    }
-		    else if (STRCMP(info.item_compare_func, "n") == 0)
-		    {
-			info.item_compare_func = NULL;
-			info.item_compare_numeric = TRUE;
-		    }
-		    else if (STRCMP(info.item_compare_func, "N") == 0)
-		    {
-			info.item_compare_func = NULL;
-			info.item_compare_numbers = TRUE;
-		    }
-#ifdef FEAT_FLOAT
-		    else if (STRCMP(info.item_compare_func, "f") == 0)
-		    {
-			info.item_compare_func = NULL;
-			info.item_compare_float = TRUE;
-		    }
-#endif
-		    else if (STRCMP(info.item_compare_func, "i") == 0)
-		    {
-			info.item_compare_func = NULL;
-			info.item_compare_ic = TRUE;
-		    }
-		}
-	    }
-
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		/* optional third argument: {dict} */
-		if (argvars[2].v_type != VAR_DICT)
-		{
-		    EMSG(_(e_dictreq));
-		    goto theend;
-		}
-		info.item_compare_selfdict = argvars[2].vval.v_dict;
-	    }
-	}
-
-	/* Make an array with each entry pointing to an item in the List. */
-	ptrs = (sortItem_T *)alloc((int)(len * sizeof(sortItem_T)));
-	if (ptrs == NULL)
-	    goto theend;
-
-	i = 0;
-	if (sort)
-	{
-	    /* sort(): ptrs will be the list to sort */
-	    for (li = l->lv_first; li != NULL; li = li->li_next)
-	    {
-		ptrs[i].item = li;
-		ptrs[i].idx = i;
-		++i;
-	    }
-
-	    info.item_compare_func_err = FALSE;
-	    info.item_compare_keep_zero = FALSE;
-	    /* test the compare function */
-	    if ((info.item_compare_func != NULL
-					 || info.item_compare_partial != NULL)
-		    && item_compare2((void *)&ptrs[0], (void *)&ptrs[1])
-							 == ITEM_COMPARE_FAIL)
-		EMSG(_("E702: Sort compare function failed"));
-	    else
-	    {
-		/* Sort the array with item pointers. */
-		qsort((void *)ptrs, (size_t)len, sizeof(sortItem_T),
-		    info.item_compare_func == NULL
-					  && info.item_compare_partial == NULL
-					       ? item_compare : item_compare2);
-
-		if (!info.item_compare_func_err)
-		{
-		    /* Clear the List and append the items in sorted order. */
-		    l->lv_first = l->lv_last = l->lv_idx_item = NULL;
-		    l->lv_len = 0;
-		    for (i = 0; i < len; ++i)
-			list_append(l, ptrs[i].item);
-		}
-	    }
-	}
-	else
-	{
-	    int	(*item_compare_func_ptr)(const void *, const void *);
-
-	    /* f_uniq(): ptrs will be a stack of items to remove */
-	    info.item_compare_func_err = FALSE;
-	    info.item_compare_keep_zero = TRUE;
-	    item_compare_func_ptr = info.item_compare_func != NULL
-					  || info.item_compare_partial != NULL
-					       ? item_compare2 : item_compare;
-
-	    for (li = l->lv_first; li != NULL && li->li_next != NULL;
-							     li = li->li_next)
-	    {
-		if (item_compare_func_ptr((void *)&li, (void *)&li->li_next)
-									 == 0)
-		    ptrs[i++].item = li;
-		if (info.item_compare_func_err)
-		{
-		    EMSG(_("E882: Uniq compare function failed"));
-		    break;
-		}
-	    }
-
-	    if (!info.item_compare_func_err)
-	    {
-		while (--i >= 0)
-		{
-		    li = ptrs[i].item->li_next;
-		    ptrs[i].item->li_next = li->li_next;
-		    if (li->li_next != NULL)
-			li->li_next->li_prev = ptrs[i].item;
-		    else
-			l->lv_last = ptrs[i].item;
-		    list_fix_watch(l, li);
-		    listitem_free(li);
-		    l->lv_len--;
-		}
-	    }
-	}
-
-	vim_free(ptrs);
-    }
-theend:
-    sortinfo = old_sortinfo;
-}
-
-/*
- * "sort({list})" function
- */
-    static void
-f_sort(typval_T *argvars, typval_T *rettv)
-{
-    do_sort_uniq(argvars, rettv, TRUE);
-}
-
-/*
- * "uniq({list})" function
- */
-    static void
-f_uniq(typval_T *argvars, typval_T *rettv)
-{
-    do_sort_uniq(argvars, rettv, FALSE);
-}
-
-/*
- * "soundfold({word})" function
- */
-    static void
-f_soundfold(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*s;
-
-    rettv->v_type = VAR_STRING;
-    s = get_tv_string(&argvars[0]);
-#ifdef FEAT_SPELL
-    rettv->vval.v_string = eval_soundfold(s);
-#else
-    rettv->vval.v_string = vim_strsave(s);
-#endif
-}
-
-/*
- * "spellbadword()" function
- */
-    static void
-f_spellbadword(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    char_u	*word = (char_u *)"";
-    hlf_T	attr = HLF_COUNT;
-    int		len = 0;
-
-    if (rettv_list_alloc(rettv) == FAIL)
-	return;
-
-#ifdef FEAT_SPELL
-    if (argvars[0].v_type == VAR_UNKNOWN)
-    {
-	/* Find the start and length of the badly spelled word. */
-	len = spell_move_to(curwin, FORWARD, TRUE, TRUE, &attr);
-	if (len != 0)
-	    word = ml_get_cursor();
-    }
-    else if (curwin->w_p_spell && *curbuf->b_s.b_p_spl != NUL)
-    {
-	char_u	*str = get_tv_string_chk(&argvars[0]);
-	int	capcol = -1;
-
-	if (str != NULL)
-	{
-	    /* Check the argument for spelling. */
-	    while (*str != NUL)
-	    {
-		len = spell_check(curwin, str, &attr, &capcol, FALSE);
-		if (attr != HLF_COUNT)
-		{
-		    word = str;
-		    break;
-		}
-		str += len;
-	    }
-	}
-    }
-#endif
-
-    list_append_string(rettv->vval.v_list, word, len);
-    list_append_string(rettv->vval.v_list, (char_u *)(
-			attr == HLF_SPB ? "bad" :
-			attr == HLF_SPR ? "rare" :
-			attr == HLF_SPL ? "local" :
-			attr == HLF_SPC ? "caps" :
-			""), -1);
-}
-
-/*
- * "spellsuggest()" function
- */
-    static void
-f_spellsuggest(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_SPELL
-    char_u	*str;
-    int		typeerr = FALSE;
-    int		maxcount;
-    garray_T	ga;
-    int		i;
-    listitem_T	*li;
-    int		need_capital = FALSE;
-#endif
-
-    if (rettv_list_alloc(rettv) == FAIL)
-	return;
-
-#ifdef FEAT_SPELL
-    if (curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL)
-    {
-	str = get_tv_string(&argvars[0]);
-	if (argvars[1].v_type != VAR_UNKNOWN)
-	{
-	    maxcount = (int)get_tv_number_chk(&argvars[1], &typeerr);
-	    if (maxcount <= 0)
-		return;
-	    if (argvars[2].v_type != VAR_UNKNOWN)
-	    {
-		need_capital = (int)get_tv_number_chk(&argvars[2], &typeerr);
-		if (typeerr)
-		    return;
-	    }
-	}
-	else
-	    maxcount = 25;
-
-	spell_suggest_list(&ga, str, maxcount, need_capital, FALSE);
-
-	for (i = 0; i < ga.ga_len; ++i)
-	{
-	    str = ((char_u **)ga.ga_data)[i];
-
-	    li = listitem_alloc();
-	    if (li == NULL)
-		vim_free(str);
-	    else
-	    {
-		li->li_tv.v_type = VAR_STRING;
-		li->li_tv.v_lock = 0;
-		li->li_tv.vval.v_string = str;
-		list_append(rettv->vval.v_list, li);
-	    }
-	}
-	ga_clear(&ga);
-    }
-#endif
-}
-
-    static void
-f_split(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*str;
-    char_u	*end;
-    char_u	*pat = NULL;
-    regmatch_T	regmatch;
-    char_u	patbuf[NUMBUFLEN];
-    char_u	*save_cpo;
-    int		match;
-    colnr_T	col = 0;
-    int		keepempty = FALSE;
-    int		typeerr = FALSE;
-
-    /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
-    save_cpo = p_cpo;
-    p_cpo = (char_u *)"";
-
-    str = get_tv_string(&argvars[0]);
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	pat = get_tv_string_buf_chk(&argvars[1], patbuf);
-	if (pat == NULL)
-	    typeerr = TRUE;
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	    keepempty = (int)get_tv_number_chk(&argvars[2], &typeerr);
-    }
-    if (pat == NULL || *pat == NUL)
-	pat = (char_u *)"[\\x01- ]\\+";
-
-    if (rettv_list_alloc(rettv) == FAIL)
-	return;
-    if (typeerr)
-	return;
-
-    regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
-    if (regmatch.regprog != NULL)
-    {
-	regmatch.rm_ic = FALSE;
-	while (*str != NUL || keepempty)
-	{
-	    if (*str == NUL)
-		match = FALSE;	/* empty item at the end */
-	    else
-		match = vim_regexec_nl(&regmatch, str, col);
-	    if (match)
-		end = regmatch.startp[0];
-	    else
-		end = str + STRLEN(str);
-	    if (keepempty || end > str || (rettv->vval.v_list->lv_len > 0
-			   && *str != NUL && match && end < regmatch.endp[0]))
-	    {
-		if (list_append_string(rettv->vval.v_list, str,
-						    (int)(end - str)) == FAIL)
-		    break;
-	    }
-	    if (!match)
-		break;
-	    /* Advance to just after the match. */
-	    if (regmatch.endp[0] > str)
-		col = 0;
-	    else
-	    {
-		/* Don't get stuck at the same match. */
-#ifdef FEAT_MBYTE
-		col = (*mb_ptr2len)(regmatch.endp[0]);
-#else
-		col = 1;
-#endif
-	    }
-	    str = regmatch.endp[0];
-	}
-
-	vim_regfree(regmatch.regprog);
-    }
-
-    p_cpo = save_cpo;
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "sqrt()" function
- */
-    static void
-f_sqrt(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = sqrt(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "str2float()" function
- */
-    static void
-f_str2float(typval_T *argvars, typval_T *rettv)
-{
-    char_u *p = skipwhite(get_tv_string(&argvars[0]));
-
-    if (*p == '+')
-	p = skipwhite(p + 1);
-    (void)string2float(p, &rettv->vval.v_float);
-    rettv->v_type = VAR_FLOAT;
-}
-#endif
-
-/*
- * "str2nr()" function
- */
-    static void
-f_str2nr(typval_T *argvars, typval_T *rettv)
-{
-    int		base = 10;
-    char_u	*p;
-    varnumber_T	n;
-    int		what;
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	base = (int)get_tv_number(&argvars[1]);
-	if (base != 2 && base != 8 && base != 10 && base != 16)
-	{
-	    EMSG(_(e_invarg));
-	    return;
-	}
-    }
-
-    p = skipwhite(get_tv_string(&argvars[0]));
-    if (*p == '+')
-	p = skipwhite(p + 1);
-    switch (base)
-    {
-	case 2: what = STR2NR_BIN + STR2NR_FORCE; break;
-	case 8: what = STR2NR_OCT + STR2NR_FORCE; break;
-	case 16: what = STR2NR_HEX + STR2NR_FORCE; break;
-	default: what = 0;
-    }
-    vim_str2nr(p, NULL, NULL, what, &n, NULL, 0);
-    rettv->vval.v_number = n;
-}
-
-#ifdef HAVE_STRFTIME
-/*
- * "strftime({format}[, {time}])" function
- */
-    static void
-f_strftime(typval_T *argvars, typval_T *rettv)
-{
-    char_u	result_buf[256];
-    struct tm	*curtime;
-    time_t	seconds;
-    char_u	*p;
-
-    rettv->v_type = VAR_STRING;
-
-    p = get_tv_string(&argvars[0]);
-    if (argvars[1].v_type == VAR_UNKNOWN)
-	seconds = time(NULL);
-    else
-	seconds = (time_t)get_tv_number(&argvars[1]);
-    curtime = localtime(&seconds);
-    /* MSVC returns NULL for an invalid value of seconds. */
-    if (curtime == NULL)
-	rettv->vval.v_string = vim_strsave((char_u *)_("(Invalid)"));
-    else
-    {
-# ifdef FEAT_MBYTE
-	vimconv_T   conv;
-	char_u	    *enc;
-
-	conv.vc_type = CONV_NONE;
-	enc = enc_locale();
-	convert_setup(&conv, p_enc, enc);
-	if (conv.vc_type != CONV_NONE)
-	    p = string_convert(&conv, p, NULL);
-# endif
-	if (p != NULL)
-	    (void)strftime((char *)result_buf, sizeof(result_buf),
-							  (char *)p, curtime);
-	else
-	    result_buf[0] = NUL;
-
-# ifdef FEAT_MBYTE
-	if (conv.vc_type != CONV_NONE)
-	    vim_free(p);
-	convert_setup(&conv, enc, p_enc);
-	if (conv.vc_type != CONV_NONE)
-	    rettv->vval.v_string = string_convert(&conv, result_buf, NULL);
-	else
-# endif
-	    rettv->vval.v_string = vim_strsave(result_buf);
-
-# ifdef FEAT_MBYTE
-	/* Release conversion descriptors */
-	convert_setup(&conv, NULL, NULL);
-	vim_free(enc);
-# endif
-    }
-}
-#endif
-
-/*
- * "strgetchar()" function
- */
-    static void
-f_strgetchar(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*str;
-    int		len;
-    int		error = FALSE;
-    int		charidx;
-
-    rettv->vval.v_number = -1;
-    str = get_tv_string_chk(&argvars[0]);
-    if (str == NULL)
-	return;
-    len = (int)STRLEN(str);
-    charidx = (int)get_tv_number_chk(&argvars[1], &error);
-    if (error)
-	return;
-#ifdef FEAT_MBYTE
-    {
-	int	byteidx = 0;
-
-	while (charidx >= 0 && byteidx < len)
-	{
-	    if (charidx == 0)
-	    {
-		rettv->vval.v_number = mb_ptr2char(str + byteidx);
-		break;
-	    }
-	    --charidx;
-	    byteidx += mb_cptr2len(str + byteidx);
-	}
-    }
-#else
-    if (charidx < len)
-	rettv->vval.v_number = str[charidx];
-#endif
-}
-
-/*
- * "stridx()" function
- */
-    static void
-f_stridx(typval_T *argvars, typval_T *rettv)
-{
-    char_u	buf[NUMBUFLEN];
-    char_u	*needle;
-    char_u	*haystack;
-    char_u	*save_haystack;
-    char_u	*pos;
-    int		start_idx;
-
-    needle = get_tv_string_chk(&argvars[1]);
-    save_haystack = haystack = get_tv_string_buf_chk(&argvars[0], buf);
-    rettv->vval.v_number = -1;
-    if (needle == NULL || haystack == NULL)
-	return;		/* type error; errmsg already given */
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	int	    error = FALSE;
-
-	start_idx = (int)get_tv_number_chk(&argvars[2], &error);
-	if (error || start_idx >= (int)STRLEN(haystack))
-	    return;
-	if (start_idx >= 0)
-	    haystack += start_idx;
-    }
-
-    pos	= (char_u *)strstr((char *)haystack, (char *)needle);
-    if (pos != NULL)
-	rettv->vval.v_number = (varnumber_T)(pos - save_haystack);
-}
-
-/*
- * "string()" function
- */
-    static void
-f_string(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*tofree;
-    char_u	numbuf[NUMBUFLEN];
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = tv2string(&argvars[0], &tofree, numbuf,
-								get_copyID());
-    /* Make a copy if we have a value but it's not in allocated memory. */
-    if (rettv->vval.v_string != NULL && tofree == NULL)
-	rettv->vval.v_string = vim_strsave(rettv->vval.v_string);
-}
-
-/*
- * "strlen()" function
- */
-    static void
-f_strlen(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = (varnumber_T)(STRLEN(
-					      get_tv_string(&argvars[0])));
-}
-
-/*
- * "strchars()" function
- */
-    static void
-f_strchars(typval_T *argvars, typval_T *rettv)
-{
-    char_u		*s = get_tv_string(&argvars[0]);
-    int			skipcc = 0;
-#ifdef FEAT_MBYTE
-    varnumber_T		len = 0;
-    int			(*func_mb_ptr2char_adv)(char_u **pp);
-#endif
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-	skipcc = (int)get_tv_number_chk(&argvars[1], NULL);
-    if (skipcc < 0 || skipcc > 1)
-	EMSG(_(e_invarg));
-    else
-    {
-#ifdef FEAT_MBYTE
-	func_mb_ptr2char_adv = skipcc ? mb_ptr2char_adv : mb_cptr2char_adv;
-	while (*s != NUL)
-	{
-	    func_mb_ptr2char_adv(&s);
-	    ++len;
-	}
-	rettv->vval.v_number = len;
-#else
-	rettv->vval.v_number = (varnumber_T)(STRLEN(s));
-#endif
-    }
-}
-
-/*
- * "strdisplaywidth()" function
- */
-    static void
-f_strdisplaywidth(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*s = get_tv_string(&argvars[0]);
-    int		col = 0;
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-	col = (int)get_tv_number(&argvars[1]);
-
-    rettv->vval.v_number = (varnumber_T)(linetabsize_col(col, s) - col);
-}
-
-/*
- * "strwidth()" function
- */
-    static void
-f_strwidth(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*s = get_tv_string(&argvars[0]);
-
-    rettv->vval.v_number = (varnumber_T)(
-#ifdef FEAT_MBYTE
-	    mb_string2cells(s, -1)
-#else
-	    STRLEN(s)
-#endif
-	    );
-}
-
-/*
- * "strcharpart()" function
- */
-    static void
-f_strcharpart(typval_T *argvars, typval_T *rettv)
-{
-#ifdef FEAT_MBYTE
-    char_u	*p;
-    int		nchar;
-    int		nbyte = 0;
-    int		charlen;
-    int		len = 0;
-    int		slen;
-    int		error = FALSE;
-
-    p = get_tv_string(&argvars[0]);
-    slen = (int)STRLEN(p);
-
-    nchar = (int)get_tv_number_chk(&argvars[1], &error);
-    if (!error)
-    {
-	if (nchar > 0)
-	    while (nchar > 0 && nbyte < slen)
-	    {
-		nbyte += mb_cptr2len(p + nbyte);
-		--nchar;
-	    }
-	else
-	    nbyte = nchar;
-	if (argvars[2].v_type != VAR_UNKNOWN)
-	{
-	    charlen = (int)get_tv_number(&argvars[2]);
-	    while (charlen > 0 && nbyte + len < slen)
-	    {
-		int off = nbyte + len;
-
-		if (off < 0)
-		    len += 1;
-		else
-		    len += mb_cptr2len(p + off);
-		--charlen;
-	    }
-	}
-	else
-	    len = slen - nbyte;    /* default: all bytes that are available. */
-    }
-
-    /*
-     * Only return the overlap between the specified part and the actual
-     * string.
-     */
-    if (nbyte < 0)
-    {
-	len += nbyte;
-	nbyte = 0;
-    }
-    else if (nbyte > slen)
-	nbyte = slen;
-    if (len < 0)
-	len = 0;
-    else if (nbyte + len > slen)
-	len = slen - nbyte;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = vim_strnsave(p + nbyte, len);
-#else
-    f_strpart(argvars, rettv);
-#endif
-}
-
-/*
- * "strpart()" function
- */
-    static void
-f_strpart(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-    int		n;
-    int		len;
-    int		slen;
-    int		error = FALSE;
-
-    p = get_tv_string(&argvars[0]);
-    slen = (int)STRLEN(p);
-
-    n = (int)get_tv_number_chk(&argvars[1], &error);
-    if (error)
-	len = 0;
-    else if (argvars[2].v_type != VAR_UNKNOWN)
-	len = (int)get_tv_number(&argvars[2]);
-    else
-	len = slen - n;	    /* default len: all bytes that are available. */
-
-    /*
-     * Only return the overlap between the specified part and the actual
-     * string.
-     */
-    if (n < 0)
-    {
-	len += n;
-	n = 0;
-    }
-    else if (n > slen)
-	n = slen;
-    if (len < 0)
-	len = 0;
-    else if (n + len > slen)
-	len = slen - n;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = vim_strnsave(p + n, len);
-}
-
-/*
- * "strridx()" function
- */
-    static void
-f_strridx(typval_T *argvars, typval_T *rettv)
-{
-    char_u	buf[NUMBUFLEN];
-    char_u	*needle;
-    char_u	*haystack;
-    char_u	*rest;
-    char_u	*lastmatch = NULL;
-    int		haystack_len, end_idx;
-
-    needle = get_tv_string_chk(&argvars[1]);
-    haystack = get_tv_string_buf_chk(&argvars[0], buf);
-
-    rettv->vval.v_number = -1;
-    if (needle == NULL || haystack == NULL)
-	return;		/* type error; errmsg already given */
-
-    haystack_len = (int)STRLEN(haystack);
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	/* Third argument: upper limit for index */
-	end_idx = (int)get_tv_number_chk(&argvars[2], NULL);
-	if (end_idx < 0)
-	    return;	/* can never find a match */
-    }
-    else
-	end_idx = haystack_len;
-
-    if (*needle == NUL)
-    {
-	/* Empty string matches past the end. */
-	lastmatch = haystack + end_idx;
-    }
-    else
-    {
-	for (rest = haystack; *rest != '\0'; ++rest)
-	{
-	    rest = (char_u *)strstr((char *)rest, (char *)needle);
-	    if (rest == NULL || rest > haystack + end_idx)
-		break;
-	    lastmatch = rest;
-	}
-    }
-
-    if (lastmatch == NULL)
-	rettv->vval.v_number = -1;
-    else
-	rettv->vval.v_number = (varnumber_T)(lastmatch - haystack);
-}
-
-/*
- * "strtrans()" function
- */
-    static void
-f_strtrans(typval_T *argvars, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = transstr(get_tv_string(&argvars[0]));
-}
-
-/*
- * "submatch()" function
- */
-    static void
-f_submatch(typval_T *argvars, typval_T *rettv)
-{
-    int		error = FALSE;
-    int		no;
-    int		retList = 0;
-
-    no = (int)get_tv_number_chk(&argvars[0], &error);
-    if (error)
-	return;
-    error = FALSE;
-    if (argvars[1].v_type != VAR_UNKNOWN)
-	retList = (int)get_tv_number_chk(&argvars[1], &error);
-    if (error)
-	return;
-
-    if (retList == 0)
-    {
-	rettv->v_type = VAR_STRING;
-	rettv->vval.v_string = reg_submatch(no);
-    }
-    else
-    {
-	rettv->v_type = VAR_LIST;
-	rettv->vval.v_list = reg_submatch_list(no);
-    }
-}
-
-/*
- * "substitute()" function
- */
-    static void
-f_substitute(typval_T *argvars, typval_T *rettv)
-{
-    char_u	patbuf[NUMBUFLEN];
-    char_u	subbuf[NUMBUFLEN];
-    char_u	flagsbuf[NUMBUFLEN];
-
-    char_u	*str = get_tv_string_chk(&argvars[0]);
-    char_u	*pat = get_tv_string_buf_chk(&argvars[1], patbuf);
-    char_u	*sub = get_tv_string_buf_chk(&argvars[2], subbuf);
-    char_u	*flg = get_tv_string_buf_chk(&argvars[3], flagsbuf);
-
-    rettv->v_type = VAR_STRING;
-    if (str == NULL || pat == NULL || sub == NULL || flg == NULL)
-	rettv->vval.v_string = NULL;
-    else
-	rettv->vval.v_string = do_string_sub(str, pat, sub, flg);
-}
-
-/*
- * "synID(lnum, col, trans)" function
- */
-    static void
-f_synID(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		id = 0;
-#ifdef FEAT_SYN_HL
-    linenr_T	lnum;
-    colnr_T	col;
-    int		trans;
-    int		transerr = FALSE;
-
-    lnum = get_tv_lnum(argvars);		/* -1 on type error */
-    col = (linenr_T)get_tv_number(&argvars[1]) - 1;	/* -1 on type error */
-    trans = (int)get_tv_number_chk(&argvars[2], &transerr);
-
-    if (!transerr && lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
-	    && col >= 0 && col < (long)STRLEN(ml_get(lnum)))
-	id = syn_get_id(curwin, lnum, (colnr_T)col, trans, NULL, FALSE);
-#endif
-
-    rettv->vval.v_number = id;
-}
-
-/*
- * "synIDattr(id, what [, mode])" function
- */
-    static void
-f_synIDattr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    char_u	*p = NULL;
-#ifdef FEAT_SYN_HL
-    int		id;
-    char_u	*what;
-    char_u	*mode;
-    char_u	modebuf[NUMBUFLEN];
-    int		modec;
-
-    id = (int)get_tv_number(&argvars[0]);
-    what = get_tv_string(&argvars[1]);
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	mode = get_tv_string_buf(&argvars[2], modebuf);
-	modec = TOLOWER_ASC(mode[0]);
-	if (modec != 't' && modec != 'c' && modec != 'g')
-	    modec = 0;	/* replace invalid with current */
-    }
-    else
-    {
-#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
-	if (USE_24BIT)
-	    modec = 'g';
-	else
-#endif
-	    if (t_colors > 1)
-	    modec = 'c';
-	else
-	    modec = 't';
-    }
-
-
-    switch (TOLOWER_ASC(what[0]))
-    {
-	case 'b':
-		if (TOLOWER_ASC(what[1]) == 'g')	/* bg[#] */
-		    p = highlight_color(id, what, modec);
-		else					/* bold */
-		    p = highlight_has_attr(id, HL_BOLD, modec);
-		break;
-
-	case 'f':					/* fg[#] or font */
-		p = highlight_color(id, what, modec);
-		break;
-
-	case 'i':
-		if (TOLOWER_ASC(what[1]) == 'n')	/* inverse */
-		    p = highlight_has_attr(id, HL_INVERSE, modec);
-		else					/* italic */
-		    p = highlight_has_attr(id, HL_ITALIC, modec);
-		break;
-
-	case 'n':					/* name */
-		p = get_highlight_name(NULL, id - 1);
-		break;
-
-	case 'r':					/* reverse */
-		p = highlight_has_attr(id, HL_INVERSE, modec);
-		break;
-
-	case 's':
-		if (TOLOWER_ASC(what[1]) == 'p')	/* sp[#] */
-		    p = highlight_color(id, what, modec);
-		else					/* standout */
-		    p = highlight_has_attr(id, HL_STANDOUT, modec);
-		break;
-
-	case 'u':
-		if (STRLEN(what) <= 5 || TOLOWER_ASC(what[5]) != 'c')
-							/* underline */
-		    p = highlight_has_attr(id, HL_UNDERLINE, modec);
-		else
-							/* undercurl */
-		    p = highlight_has_attr(id, HL_UNDERCURL, modec);
-		break;
-    }
-
-    if (p != NULL)
-	p = vim_strsave(p);
-#endif
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = p;
-}
-
-/*
- * "synIDtrans(id)" function
- */
-    static void
-f_synIDtrans(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		id;
-
-#ifdef FEAT_SYN_HL
-    id = (int)get_tv_number(&argvars[0]);
-
-    if (id > 0)
-	id = syn_get_final_id(id);
-    else
-#endif
-	id = 0;
-
-    rettv->vval.v_number = id;
-}
-
-/*
- * "synconcealed(lnum, col)" function
- */
-    static void
-f_synconcealed(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#if defined(FEAT_SYN_HL) && defined(FEAT_CONCEAL)
-    linenr_T	lnum;
-    colnr_T	col;
-    int		syntax_flags = 0;
-    int		cchar;
-    int		matchid = 0;
-    char_u	str[NUMBUFLEN];
-#endif
-
-    rettv->v_type = VAR_LIST;
-    rettv->vval.v_list = NULL;
-
-#if defined(FEAT_SYN_HL) && defined(FEAT_CONCEAL)
-    lnum = get_tv_lnum(argvars);		/* -1 on type error */
-    col = (colnr_T)get_tv_number(&argvars[1]) - 1;	/* -1 on type error */
-
-    vim_memset(str, NUL, sizeof(str));
-
-    if (rettv_list_alloc(rettv) != FAIL)
-    {
-	if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
-	    && col >= 0 && col <= (long)STRLEN(ml_get(lnum))
-	    && curwin->w_p_cole > 0)
-	{
-	    (void)syn_get_id(curwin, lnum, col, FALSE, NULL, FALSE);
-	    syntax_flags = get_syntax_info(&matchid);
-
-	    /* get the conceal character */
-	    if ((syntax_flags & HL_CONCEAL) && curwin->w_p_cole < 3)
-	    {
-		cchar = syn_get_sub_char();
-		if (cchar == NUL && curwin->w_p_cole == 1 && lcs_conceal != NUL)
-		    cchar = lcs_conceal;
-		if (cchar != NUL)
-		{
-# ifdef FEAT_MBYTE
-		    if (has_mbyte)
-			(*mb_char2bytes)(cchar, str);
-		    else
-# endif
-			str[0] = cchar;
-		}
-	    }
-	}
-
-	list_append_number(rettv->vval.v_list,
-					    (syntax_flags & HL_CONCEAL) != 0);
-	/* -1 to auto-determine strlen */
-	list_append_string(rettv->vval.v_list, str, -1);
-	list_append_number(rettv->vval.v_list, matchid);
-    }
-#endif
-}
-
-/*
- * "synstack(lnum, col)" function
- */
-    static void
-f_synstack(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_SYN_HL
-    linenr_T	lnum;
-    colnr_T	col;
-    int		i;
-    int		id;
-#endif
-
-    rettv->v_type = VAR_LIST;
-    rettv->vval.v_list = NULL;
-
-#ifdef FEAT_SYN_HL
-    lnum = get_tv_lnum(argvars);		/* -1 on type error */
-    col = (colnr_T)get_tv_number(&argvars[1]) - 1;	/* -1 on type error */
-
-    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
-	    && col >= 0 && col <= (long)STRLEN(ml_get(lnum))
-	    && rettv_list_alloc(rettv) != FAIL)
-    {
-	(void)syn_get_id(curwin, lnum, (colnr_T)col, FALSE, NULL, TRUE);
-	for (i = 0; ; ++i)
-	{
-	    id = syn_get_stack_item(i);
-	    if (id < 0)
-		break;
-	    if (list_append_number(rettv->vval.v_list, id) == FAIL)
-		break;
-	}
-    }
-#endif
-}
-
-    static void
-get_cmd_output_as_rettv(
-    typval_T	*argvars,
-    typval_T	*rettv,
-    int		retlist)
-{
-    char_u	*res = NULL;
-    char_u	*p;
-    char_u	*infile = NULL;
-    char_u	buf[NUMBUFLEN];
-    int		err = FALSE;
-    FILE	*fd;
-    list_T	*list = NULL;
-    int		flags = SHELL_SILENT;
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-    if (check_restricted() || check_secure())
-	goto errret;
-
-    if (argvars[1].v_type != VAR_UNKNOWN)
-    {
-	/*
-	 * Write the string to a temp file, to be used for input of the shell
-	 * command.
-	 */
-	if ((infile = vim_tempname('i', TRUE)) == NULL)
-	{
-	    EMSG(_(e_notmp));
-	    goto errret;
-	}
-
-	fd = mch_fopen((char *)infile, WRITEBIN);
-	if (fd == NULL)
-	{
-	    EMSG2(_(e_notopen), infile);
-	    goto errret;
-	}
-	if (argvars[1].v_type == VAR_LIST)
-	{
-	    if (write_list(fd, argvars[1].vval.v_list, TRUE) == FAIL)
-		err = TRUE;
-	}
-	else
-	{
-	    size_t len;
-
-	    p = get_tv_string_buf_chk(&argvars[1], buf);
-	    if (p == NULL)
-	    {
-		fclose(fd);
-		goto errret;		/* type error; errmsg already given */
-	    }
-	    len = STRLEN(p);
-	    if (len > 0 && fwrite(p, len, 1, fd) != 1)
-		err = TRUE;
-	}
-	if (fclose(fd) != 0)
-	    err = TRUE;
-	if (err)
-	{
-	    EMSG(_("E677: Error writing temp file"));
-	    goto errret;
-	}
-    }
-
-    /* Omit SHELL_COOKED when invoked with ":silent".  Avoids that the shell
-     * echoes typeahead, that messes up the display. */
-    if (!msg_silent)
-	flags += SHELL_COOKED;
-
-    if (retlist)
-    {
-	int		len;
-	listitem_T	*li;
-	char_u		*s = NULL;
-	char_u		*start;
-	char_u		*end;
-	int		i;
-
-	res = get_cmd_output(get_tv_string(&argvars[0]), infile, flags, &len);
-	if (res == NULL)
-	    goto errret;
-
-	list = list_alloc();
-	if (list == NULL)
-	    goto errret;
-
-	for (i = 0; i < len; ++i)
-	{
-	    start = res + i;
-	    while (i < len && res[i] != NL)
-		++i;
-	    end = res + i;
-
-	    s = alloc((unsigned)(end - start + 1));
-	    if (s == NULL)
-		goto errret;
-
-	    for (p = s; start < end; ++p, ++start)
-		*p = *start == NUL ? NL : *start;
-	    *p = NUL;
-
-	    li = listitem_alloc();
-	    if (li == NULL)
-	    {
-		vim_free(s);
-		goto errret;
-	    }
-	    li->li_tv.v_type = VAR_STRING;
-	    li->li_tv.v_lock = 0;
-	    li->li_tv.vval.v_string = s;
-	    list_append(list, li);
-	}
-
-	++list->lv_refcount;
-	rettv->v_type = VAR_LIST;
-	rettv->vval.v_list = list;
-	list = NULL;
-    }
-    else
-    {
-	res = get_cmd_output(get_tv_string(&argvars[0]), infile, flags, NULL);
-#ifdef USE_CR
-	/* translate <CR> into <NL> */
-	if (res != NULL)
-	{
-	    char_u	*s;
-
-	    for (s = res; *s; ++s)
-	    {
-		if (*s == CAR)
-		    *s = NL;
-	    }
-	}
-#else
-# ifdef USE_CRNL
-	/* translate <CR><NL> into <NL> */
-	if (res != NULL)
-	{
-	    char_u	*s, *d;
-
-	    d = res;
-	    for (s = res; *s; ++s)
-	    {
-		if (s[0] == CAR && s[1] == NL)
-		    ++s;
-		*d++ = *s;
-	    }
-	    *d = NUL;
-	}
-# endif
-#endif
-	rettv->vval.v_string = res;
-	res = NULL;
-    }
-
-errret:
-    if (infile != NULL)
-    {
-	mch_remove(infile);
-	vim_free(infile);
-    }
-    if (res != NULL)
-	vim_free(res);
-    if (list != NULL)
-	list_free(list);
-}
-
-/*
- * "system()" function
- */
-    static void
-f_system(typval_T *argvars, typval_T *rettv)
-{
-    get_cmd_output_as_rettv(argvars, rettv, FALSE);
-}
-
-/*
- * "systemlist()" function
- */
-    static void
-f_systemlist(typval_T *argvars, typval_T *rettv)
-{
-    get_cmd_output_as_rettv(argvars, rettv, TRUE);
-}
-
-/*
- * "tabpagebuflist()" function
- */
-    static void
-f_tabpagebuflist(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_WINDOWS
-    tabpage_T	*tp;
-    win_T	*wp = NULL;
-
-    if (argvars[0].v_type == VAR_UNKNOWN)
-	wp = firstwin;
-    else
-    {
-	tp = find_tabpage((int)get_tv_number(&argvars[0]));
-	if (tp != NULL)
-	    wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
-    }
-    if (wp != NULL && rettv_list_alloc(rettv) != FAIL)
-    {
-	for (; wp != NULL; wp = wp->w_next)
-	    if (list_append_number(rettv->vval.v_list,
-						wp->w_buffer->b_fnum) == FAIL)
-		break;
-    }
-#endif
-}
-
-
-/*
- * "tabpagenr()" function
- */
-    static void
-f_tabpagenr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		nr = 1;
-#ifdef FEAT_WINDOWS
-    char_u	*arg;
-
-    if (argvars[0].v_type != VAR_UNKNOWN)
-    {
-	arg = get_tv_string_chk(&argvars[0]);
-	nr = 0;
-	if (arg != NULL)
-	{
-	    if (STRCMP(arg, "$") == 0)
-		nr = tabpage_index(NULL) - 1;
-	    else
-		EMSG2(_(e_invexpr2), arg);
-	}
-    }
-    else
-	nr = tabpage_index(curtab);
-#endif
-    rettv->vval.v_number = nr;
-}
-
-
-#ifdef FEAT_WINDOWS
-static int get_winnr(tabpage_T *tp, typval_T *argvar);
-
-/*
- * Common code for tabpagewinnr() and winnr().
- */
-    static int
-get_winnr(tabpage_T *tp, typval_T *argvar)
-{
-    win_T	*twin;
-    int		nr = 1;
-    win_T	*wp;
-    char_u	*arg;
-
-    twin = (tp == curtab) ? curwin : tp->tp_curwin;
-    if (argvar->v_type != VAR_UNKNOWN)
-    {
-	arg = get_tv_string_chk(argvar);
-	if (arg == NULL)
-	    nr = 0;		/* type error; errmsg already given */
-	else if (STRCMP(arg, "$") == 0)
-	    twin = (tp == curtab) ? lastwin : tp->tp_lastwin;
-	else if (STRCMP(arg, "#") == 0)
-	{
-	    twin = (tp == curtab) ? prevwin : tp->tp_prevwin;
-	    if (twin == NULL)
-		nr = 0;
-	}
-	else
-	{
-	    EMSG2(_(e_invexpr2), arg);
-	    nr = 0;
-	}
-    }
-
-    if (nr > 0)
-	for (wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
-					      wp != twin; wp = wp->w_next)
-	{
-	    if (wp == NULL)
-	    {
-		/* didn't find it in this tabpage */
-		nr = 0;
-		break;
-	    }
-	    ++nr;
-	}
-    return nr;
-}
-#endif
-
-/*
- * "tabpagewinnr()" function
- */
-    static void
-f_tabpagewinnr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		nr = 1;
-#ifdef FEAT_WINDOWS
-    tabpage_T	*tp;
-
-    tp = find_tabpage((int)get_tv_number(&argvars[0]));
-    if (tp == NULL)
-	nr = 0;
-    else
-	nr = get_winnr(tp, &argvars[1]);
-#endif
-    rettv->vval.v_number = nr;
-}
-
-
-/*
- * "tagfiles()" function
- */
-    static void
-f_tagfiles(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    char_u	*fname;
-    tagname_T	tn;
-    int		first;
-
-    if (rettv_list_alloc(rettv) == FAIL)
-	return;
-    fname = alloc(MAXPATHL);
-    if (fname == NULL)
-	return;
-
-    for (first = TRUE; ; first = FALSE)
-	if (get_tagfname(&tn, first, fname) == FAIL
-		|| list_append_string(rettv->vval.v_list, fname, -1) == FAIL)
-	    break;
-    tagname_free(&tn);
-    vim_free(fname);
-}
-
-/*
- * "taglist()" function
- */
-    static void
-f_taglist(typval_T *argvars, typval_T *rettv)
-{
-    char_u  *tag_pattern;
-
-    tag_pattern = get_tv_string(&argvars[0]);
-
-    rettv->vval.v_number = FALSE;
-    if (*tag_pattern == NUL)
-	return;
-
-    if (rettv_list_alloc(rettv) == OK)
-	(void)get_tags(rettv->vval.v_list, tag_pattern);
-}
-
-/*
- * "tempname()" function
- */
-    static void
-f_tempname(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    static int	x = 'A';
-
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = vim_tempname(x, FALSE);
-
-    /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
-     * names.  Skip 'I' and 'O', they are used for shell redirection. */
-    do
-    {
-	if (x == 'Z')
-	    x = '0';
-	else if (x == '9')
-	    x = 'A';
-	else
-	{
-#ifdef EBCDIC
-	    if (x == 'I')
-		x = 'J';
-	    else if (x == 'R')
-		x = 'S';
-	    else
-#endif
-		++x;
-	}
-    } while (x == 'I' || x == 'O');
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "tan()" function
- */
-    static void
-f_tan(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = tan(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-
-/*
- * "tanh()" function
- */
-    static void
-f_tanh(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	rettv->vval.v_float = tanh(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "test_alloc_fail(id, countdown, repeat)" function
- */
-    static void
-f_test_alloc_fail(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    if (argvars[0].v_type != VAR_NUMBER
-	    || argvars[0].vval.v_number <= 0
-	    || argvars[1].v_type != VAR_NUMBER
-	    || argvars[1].vval.v_number < 0
-	    || argvars[2].v_type != VAR_NUMBER)
-	EMSG(_(e_invarg));
-    else
-    {
-	alloc_fail_id = argvars[0].vval.v_number;
-	if (alloc_fail_id >= aid_last)
-	    EMSG(_(e_invarg));
-	alloc_fail_countdown = argvars[1].vval.v_number;
-	alloc_fail_repeat = argvars[2].vval.v_number;
-	did_outofmem_msg = FALSE;
-    }
-}
-
-/*
- * "test_autochdir()"
- */
-    static void
-f_test_autochdir(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#if defined(FEAT_AUTOCHDIR)
-    test_autochdir = TRUE;
-#endif
-}
-
-/*
- * "test_disable_char_avail({expr})" function
- */
-    static void
-f_test_disable_char_avail(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    disable_char_avail_for_testing = (int)get_tv_number(&argvars[0]);
-}
-
-/*
- * "test_garbagecollect_now()" function
- */
-    static void
-f_test_garbagecollect_now(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-    /* This is dangerous, any Lists and Dicts used internally may be freed
-     * while still in use. */
-    garbage_collect(TRUE);
-}
-
-#ifdef FEAT_JOB_CHANNEL
-    static void
-f_test_null_channel(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_CHANNEL;
-    rettv->vval.v_channel = NULL;
-}
-#endif
-
-    static void
-f_test_null_dict(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_DICT;
-    rettv->vval.v_dict = NULL;
-}
-
-#ifdef FEAT_JOB_CHANNEL
-    static void
-f_test_null_job(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_JOB;
-    rettv->vval.v_job = NULL;
-}
-#endif
-
-    static void
-f_test_null_list(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_LIST;
-    rettv->vval.v_list = NULL;
-}
-
-    static void
-f_test_null_partial(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_PARTIAL;
-    rettv->vval.v_partial = NULL;
-}
-
-    static void
-f_test_null_string(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-}
-
-    static void
-f_test_settime(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    time_for_testing = (time_t)get_tv_number(&argvars[0]);
-}
-
-#if defined(FEAT_JOB_CHANNEL) || defined(FEAT_TIMERS) || defined(PROTO)
-/*
- * Get a callback from "arg".  It can be a Funcref or a function name.
- * When "arg" is zero return an empty string.
- * Return NULL for an invalid argument.
- */
-    char_u *
-get_callback(typval_T *arg, partial_T **pp)
-{
-    if (arg->v_type == VAR_PARTIAL && arg->vval.v_partial != NULL)
-    {
-	*pp = arg->vval.v_partial;
-	++(*pp)->pt_refcount;
-	return (*pp)->pt_name;
-    }
-    *pp = NULL;
-    if (arg->v_type == VAR_FUNC)
-    {
-	func_ref(arg->vval.v_string);
-	return arg->vval.v_string;
-    }
-    if (arg->v_type == VAR_STRING)
-	return arg->vval.v_string;
-    if (arg->v_type == VAR_NUMBER && arg->vval.v_number == 0)
-	return (char_u *)"";
-    EMSG(_("E921: Invalid callback argument"));
-    return NULL;
-}
-
-/*
- * Unref/free "callback" and "partial" retured by get_callback().
- */
-    void
-free_callback(char_u *callback, partial_T *partial)
-{
-    if (partial != NULL)
-	partial_unref(partial);
-    else if (callback != NULL)
-    {
-	func_unref(callback);
-	vim_free(callback);
-    }
-}
-#endif
-
-#ifdef FEAT_TIMERS
-/*
- * "timer_start(time, callback [, options])" function
- */
-    static void
-f_timer_start(typval_T *argvars, typval_T *rettv)
-{
-    long    msec = (long)get_tv_number(&argvars[0]);
-    timer_T *timer;
-    int	    repeat = 0;
-    char_u  *callback;
-    dict_T  *dict;
-
-    if (check_secure())
-	return;
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	if (argvars[2].v_type != VAR_DICT
-				   || (dict = argvars[2].vval.v_dict) == NULL)
-	{
-	    EMSG2(_(e_invarg2), get_tv_string(&argvars[2]));
-	    return;
-	}
-	if (dict_find(dict, (char_u *)"repeat", -1) != NULL)
-	    repeat = get_dict_number(dict, (char_u *)"repeat");
-    }
-
-    timer = create_timer(msec, repeat);
-    callback = get_callback(&argvars[1], &timer->tr_partial);
-    if (callback == NULL)
-    {
-	stop_timer(timer);
-	rettv->vval.v_number = -1;
-    }
-    else
-    {
-	timer->tr_callback = vim_strsave(callback);
-	rettv->vval.v_number = timer->tr_id;
-    }
-}
-
-/*
- * "timer_stop(timer)" function
- */
-    static void
-f_timer_stop(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    timer_T *timer;
-
-    if (argvars[0].v_type != VAR_NUMBER)
-    {
-	EMSG(_(e_number_exp));
-	return;
-    }
-    timer = find_timer((int)get_tv_number(&argvars[0]));
-    if (timer != NULL)
-	stop_timer(timer);
-}
-#endif
-
-/*
- * "tolower(string)" function
- */
-    static void
-f_tolower(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*p;
-
-    p = vim_strsave(get_tv_string(&argvars[0]));
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = p;
-
-    if (p != NULL)
-	while (*p != NUL)
-	{
-#ifdef FEAT_MBYTE
-	    int		l;
-
-	    if (enc_utf8)
-	    {
-		int c, lc;
-
-		c = utf_ptr2char(p);
-		lc = utf_tolower(c);
-		l = utf_ptr2len(p);
-		/* TODO: reallocate string when byte count changes. */
-		if (utf_char2len(lc) == l)
-		    utf_char2bytes(lc, p);
-		p += l;
-	    }
-	    else if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
-		p += l;		/* skip multi-byte character */
-	    else
-#endif
-	    {
-		*p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
-		++p;
-	    }
-	}
-}
-
-/*
- * "toupper(string)" function
- */
-    static void
-f_toupper(typval_T *argvars, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = strup_save(get_tv_string(&argvars[0]));
-}
-
-/*
- * "tr(string, fromstr, tostr)" function
- */
-    static void
-f_tr(typval_T *argvars, typval_T *rettv)
-{
-    char_u	*in_str;
-    char_u	*fromstr;
-    char_u	*tostr;
-    char_u	*p;
-#ifdef FEAT_MBYTE
-    int		inlen;
-    int		fromlen;
-    int		tolen;
-    int		idx;
-    char_u	*cpstr;
-    int		cplen;
-    int		first = TRUE;
-#endif
-    char_u	buf[NUMBUFLEN];
-    char_u	buf2[NUMBUFLEN];
-    garray_T	ga;
-
-    in_str = get_tv_string(&argvars[0]);
-    fromstr = get_tv_string_buf_chk(&argvars[1], buf);
-    tostr = get_tv_string_buf_chk(&argvars[2], buf2);
-
-    /* Default return value: empty string. */
-    rettv->v_type = VAR_STRING;
-    rettv->vval.v_string = NULL;
-    if (fromstr == NULL || tostr == NULL)
-	    return;		/* type error; errmsg already given */
-    ga_init2(&ga, (int)sizeof(char), 80);
-
-#ifdef FEAT_MBYTE
-    if (!has_mbyte)
-#endif
-	/* not multi-byte: fromstr and tostr must be the same length */
-	if (STRLEN(fromstr) != STRLEN(tostr))
-	{
-#ifdef FEAT_MBYTE
-error:
-#endif
-	    EMSG2(_(e_invarg2), fromstr);
-	    ga_clear(&ga);
-	    return;
-	}
-
-    /* fromstr and tostr have to contain the same number of chars */
-    while (*in_str != NUL)
-    {
-#ifdef FEAT_MBYTE
-	if (has_mbyte)
-	{
-	    inlen = (*mb_ptr2len)(in_str);
-	    cpstr = in_str;
-	    cplen = inlen;
-	    idx = 0;
-	    for (p = fromstr; *p != NUL; p += fromlen)
-	    {
-		fromlen = (*mb_ptr2len)(p);
-		if (fromlen == inlen && STRNCMP(in_str, p, inlen) == 0)
-		{
-		    for (p = tostr; *p != NUL; p += tolen)
-		    {
-			tolen = (*mb_ptr2len)(p);
-			if (idx-- == 0)
-			{
-			    cplen = tolen;
-			    cpstr = p;
-			    break;
-			}
-		    }
-		    if (*p == NUL)	/* tostr is shorter than fromstr */
-			goto error;
-		    break;
-		}
-		++idx;
-	    }
-
-	    if (first && cpstr == in_str)
-	    {
-		/* Check that fromstr and tostr have the same number of
-		 * (multi-byte) characters.  Done only once when a character
-		 * of in_str doesn't appear in fromstr. */
-		first = FALSE;
-		for (p = tostr; *p != NUL; p += tolen)
-		{
-		    tolen = (*mb_ptr2len)(p);
-		    --idx;
-		}
-		if (idx != 0)
-		    goto error;
-	    }
-
-	    (void)ga_grow(&ga, cplen);
-	    mch_memmove((char *)ga.ga_data + ga.ga_len, cpstr, (size_t)cplen);
-	    ga.ga_len += cplen;
-
-	    in_str += inlen;
-	}
-	else
-#endif
-	{
-	    /* When not using multi-byte chars we can do it faster. */
-	    p = vim_strchr(fromstr, *in_str);
-	    if (p != NULL)
-		ga_append(&ga, tostr[p - fromstr]);
-	    else
-		ga_append(&ga, *in_str);
-	    ++in_str;
-	}
-    }
-
-    /* add a terminating NUL */
-    (void)ga_grow(&ga, 1);
-    ga_append(&ga, NUL);
-
-    rettv->vval.v_string = ga.ga_data;
-}
-
-#ifdef FEAT_FLOAT
-/*
- * "trunc({float})" function
- */
-    static void
-f_trunc(typval_T *argvars, typval_T *rettv)
-{
-    float_T	f = 0.0;
-
-    rettv->v_type = VAR_FLOAT;
-    if (get_float_arg(argvars, &f) == OK)
-	/* trunc() is not in C90, use floor() or ceil() instead. */
-	rettv->vval.v_float = f > 0 ? floor(f) : ceil(f);
-    else
-	rettv->vval.v_float = 0.0;
-}
-#endif
-
-/*
- * "type(expr)" function
- */
-    static void
-f_type(typval_T *argvars, typval_T *rettv)
-{
-    int n = -1;
-
-    switch (argvars[0].v_type)
-    {
-	case VAR_NUMBER: n = 0; break;
-	case VAR_STRING: n = 1; break;
-	case VAR_PARTIAL:
-	case VAR_FUNC:   n = 2; break;
-	case VAR_LIST:   n = 3; break;
-	case VAR_DICT:   n = 4; break;
-	case VAR_FLOAT:  n = 5; break;
-	case VAR_SPECIAL:
-	     if (argvars[0].vval.v_number == VVAL_FALSE
-		     || argvars[0].vval.v_number == VVAL_TRUE)
-		 n = 6;
-	     else
-		 n = 7;
-	     break;
-	case VAR_JOB:     n = 8; break;
-	case VAR_CHANNEL: n = 9; break;
-	case VAR_UNKNOWN:
-	     EMSG2(_(e_intern2), "f_type(UNKNOWN)");
-	     n = -1;
-	     break;
-    }
-    rettv->vval.v_number = n;
-}
-
-/*
- * "undofile(name)" function
- */
-    static void
-f_undofile(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    rettv->v_type = VAR_STRING;
-#ifdef FEAT_PERSISTENT_UNDO
-    {
-	char_u *fname = get_tv_string(&argvars[0]);
-
-	if (*fname == NUL)
-	{
-	    /* If there is no file name there will be no undo file. */
-	    rettv->vval.v_string = NULL;
-	}
-	else
-	{
-	    char_u *ffname = FullName_save(fname, FALSE);
-
-	    if (ffname != NULL)
-		rettv->vval.v_string = u_get_undo_file_name(ffname, FALSE);
-	    vim_free(ffname);
-	}
-    }
-#else
-    rettv->vval.v_string = NULL;
-#endif
-}
-
-/*
- * "undotree()" function
- */
-    static void
-f_undotree(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    if (rettv_dict_alloc(rettv) == OK)
-    {
-	dict_T *dict = rettv->vval.v_dict;
-	list_T *list;
-
-	dict_add_nr_str(dict, "synced", (long)curbuf->b_u_synced, NULL);
-	dict_add_nr_str(dict, "seq_last", curbuf->b_u_seq_last, NULL);
-	dict_add_nr_str(dict, "save_last",
-					(long)curbuf->b_u_save_nr_last, NULL);
-	dict_add_nr_str(dict, "seq_cur", curbuf->b_u_seq_cur, NULL);
-	dict_add_nr_str(dict, "time_cur", (long)curbuf->b_u_time_cur, NULL);
-	dict_add_nr_str(dict, "save_cur", (long)curbuf->b_u_save_nr_cur, NULL);
-
-	list = list_alloc();
-	if (list != NULL)
-	{
-	    u_eval_tree(curbuf->b_u_oldhead, list);
-	    dict_add_list(dict, "entries", list);
-	}
-    }
-}
-
-/*
- * "values(dict)" function
- */
-    static void
-f_values(typval_T *argvars, typval_T *rettv)
-{
-    dict_list(argvars, rettv, 1);
-}
-
-/*
- * "virtcol(string)" function
- */
-    static void
-f_virtcol(typval_T *argvars, typval_T *rettv)
-{
-    colnr_T	vcol = 0;
-    pos_T	*fp;
-    int		fnum = curbuf->b_fnum;
-
-    fp = var2fpos(&argvars[0], FALSE, &fnum);
-    if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count
-						    && fnum == curbuf->b_fnum)
-    {
-	getvvcol(curwin, fp, NULL, NULL, &vcol);
-	++vcol;
-    }
-
-    rettv->vval.v_number = vcol;
-}
-
-/*
- * "visualmode()" function
- */
-    static void
-f_visualmode(typval_T *argvars, typval_T *rettv)
-{
-    char_u	str[2];
-
-    rettv->v_type = VAR_STRING;
-    str[0] = curbuf->b_visual_mode_eval;
-    str[1] = NUL;
-    rettv->vval.v_string = vim_strsave(str);
-
-    /* A non-zero number or non-empty string argument: reset mode. */
-    if (non_zero_arg(&argvars[0]))
-	curbuf->b_visual_mode_eval = NUL;
-}
-
-/*
- * "wildmenumode()" function
- */
-    static void
-f_wildmenumode(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
-{
-#ifdef FEAT_WILDMENU
-    if (wild_menu_showing)
-	rettv->vval.v_number = 1;
-#endif
-}
-
-/*
- * "winbufnr(nr)" function
- */
-    static void
-f_winbufnr(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*wp;
-
-    wp = find_win_by_nr(&argvars[0], NULL);
-    if (wp == NULL)
-	rettv->vval.v_number = -1;
-    else
-	rettv->vval.v_number = wp->w_buffer->b_fnum;
-}
-
-/*
- * "wincol()" function
- */
-    static void
-f_wincol(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    validate_cursor();
-    rettv->vval.v_number = curwin->w_wcol + 1;
-}
-
-/*
- * "winheight(nr)" function
- */
-    static void
-f_winheight(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*wp;
-
-    wp = find_win_by_nr(&argvars[0], NULL);
-    if (wp == NULL)
-	rettv->vval.v_number = -1;
-    else
-	rettv->vval.v_number = wp->w_height;
-}
-
-/*
- * "winline()" function
- */
-    static void
-f_winline(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    validate_cursor();
-    rettv->vval.v_number = curwin->w_wrow + 1;
-}
-
-/*
- * "winnr()" function
- */
-    static void
-f_winnr(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    int		nr = 1;
-
-#ifdef FEAT_WINDOWS
-    nr = get_winnr(curtab, &argvars[0]);
-#endif
-    rettv->vval.v_number = nr;
-}
-
-/*
- * "winrestcmd()" function
- */
-    static void
-f_winrestcmd(typval_T *argvars UNUSED, typval_T *rettv)
-{
-#ifdef FEAT_WINDOWS
-    win_T	*wp;
-    int		winnr = 1;
-    garray_T	ga;
-    char_u	buf[50];
-
-    ga_init2(&ga, (int)sizeof(char), 70);
-    for (wp = firstwin; wp != NULL; wp = wp->w_next)
-    {
-	sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
-	ga_concat(&ga, buf);
-	sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
-	ga_concat(&ga, buf);
-	++winnr;
-    }
-    ga_append(&ga, NUL);
-
-    rettv->vval.v_string = ga.ga_data;
-#else
-    rettv->vval.v_string = NULL;
-#endif
-    rettv->v_type = VAR_STRING;
-}
-
-/*
- * "winrestview()" function
- */
-    static void
-f_winrestview(typval_T *argvars, typval_T *rettv UNUSED)
-{
-    dict_T	*dict;
-
-    if (argvars[0].v_type != VAR_DICT
-	    || (dict = argvars[0].vval.v_dict) == NULL)
-	EMSG(_(e_invarg));
-    else
-    {
-	if (dict_find(dict, (char_u *)"lnum", -1) != NULL)
-	    curwin->w_cursor.lnum = (linenr_T)get_dict_number(dict, (char_u *)"lnum");
-	if (dict_find(dict, (char_u *)"col", -1) != NULL)
-	    curwin->w_cursor.col = (colnr_T)get_dict_number(dict, (char_u *)"col");
-#ifdef FEAT_VIRTUALEDIT
-	if (dict_find(dict, (char_u *)"coladd", -1) != NULL)
-	    curwin->w_cursor.coladd = (colnr_T)get_dict_number(dict, (char_u *)"coladd");
-#endif
-	if (dict_find(dict, (char_u *)"curswant", -1) != NULL)
-	{
-	    curwin->w_curswant = (colnr_T)get_dict_number(dict, (char_u *)"curswant");
-	    curwin->w_set_curswant = FALSE;
-	}
-
-	if (dict_find(dict, (char_u *)"topline", -1) != NULL)
-	    set_topline(curwin, (linenr_T)get_dict_number(dict, (char_u *)"topline"));
-#ifdef FEAT_DIFF
-	if (dict_find(dict, (char_u *)"topfill", -1) != NULL)
-	    curwin->w_topfill = (int)get_dict_number(dict, (char_u *)"topfill");
-#endif
-	if (dict_find(dict, (char_u *)"leftcol", -1) != NULL)
-	    curwin->w_leftcol = (colnr_T)get_dict_number(dict, (char_u *)"leftcol");
-	if (dict_find(dict, (char_u *)"skipcol", -1) != NULL)
-	    curwin->w_skipcol = (colnr_T)get_dict_number(dict, (char_u *)"skipcol");
-
-	check_cursor();
-	win_new_height(curwin, curwin->w_height);
-# ifdef FEAT_WINDOWS
-	win_new_width(curwin, W_WIDTH(curwin));
-# endif
-	changed_window_setting();
-
-	if (curwin->w_topline <= 0)
-	    curwin->w_topline = 1;
-	if (curwin->w_topline > curbuf->b_ml.ml_line_count)
-	    curwin->w_topline = curbuf->b_ml.ml_line_count;
-#ifdef FEAT_DIFF
-	check_topfill(curwin, TRUE);
-#endif
-    }
-}
-
-/*
- * "winsaveview()" function
- */
-    static void
-f_winsaveview(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    dict_T	*dict;
-
-    if (rettv_dict_alloc(rettv) == FAIL)
-	return;
-    dict = rettv->vval.v_dict;
-
-    dict_add_nr_str(dict, "lnum", (long)curwin->w_cursor.lnum, NULL);
-    dict_add_nr_str(dict, "col", (long)curwin->w_cursor.col, NULL);
-#ifdef FEAT_VIRTUALEDIT
-    dict_add_nr_str(dict, "coladd", (long)curwin->w_cursor.coladd, NULL);
-#endif
-    update_curswant();
-    dict_add_nr_str(dict, "curswant", (long)curwin->w_curswant, NULL);
-
-    dict_add_nr_str(dict, "topline", (long)curwin->w_topline, NULL);
-#ifdef FEAT_DIFF
-    dict_add_nr_str(dict, "topfill", (long)curwin->w_topfill, NULL);
-#endif
-    dict_add_nr_str(dict, "leftcol", (long)curwin->w_leftcol, NULL);
-    dict_add_nr_str(dict, "skipcol", (long)curwin->w_skipcol, NULL);
-}
-
-/*
- * "winwidth(nr)" function
- */
-    static void
-f_winwidth(typval_T *argvars, typval_T *rettv)
-{
-    win_T	*wp;
-
-    wp = find_win_by_nr(&argvars[0], NULL);
-    if (wp == NULL)
-	rettv->vval.v_number = -1;
-    else
-#ifdef FEAT_WINDOWS
-	rettv->vval.v_number = wp->w_width;
-#else
-	rettv->vval.v_number = Columns;
-#endif
-}
-
-/*
- * "wordcount()" function
- */
-    static void
-f_wordcount(typval_T *argvars UNUSED, typval_T *rettv)
-{
-    if (rettv_dict_alloc(rettv) == FAIL)
-	return;
-    cursor_pos_info(rettv->vval.v_dict);
-}
-
-/*
- * Write list of strings to file
- */
-    static int
-write_list(FILE *fd, list_T *list, int binary)
-{
-    listitem_T	*li;
-    int		c;
-    int		ret = OK;
-    char_u	*s;
-
-    for (li = list->lv_first; li != NULL; li = li->li_next)
-    {
-	for (s = get_tv_string(&li->li_tv); *s != NUL; ++s)
-	{
-	    if (*s == '\n')
-		c = putc(NUL, fd);
-	    else
-		c = putc(*s, fd);
-	    if (c == EOF)
-	    {
-		ret = FAIL;
-		break;
-	    }
-	}
-	if (!binary || li->li_next != NULL)
-	    if (putc('\n', fd) == EOF)
-	    {
-		ret = FAIL;
-		break;
-	    }
-	if (ret == FAIL)
-	{
-	    EMSG(_(e_write));
-	    break;
-	}
-    }
-    return ret;
-}
-
-/*
- * "writefile()" function
- */
-    static void
-f_writefile(typval_T *argvars, typval_T *rettv)
-{
-    int		binary = FALSE;
-    int		append = FALSE;
-    char_u	*fname;
-    FILE	*fd;
-    int		ret = 0;
-
-    if (check_restricted() || check_secure())
-	return;
-
-    if (argvars[0].v_type != VAR_LIST)
-    {
-	EMSG2(_(e_listarg), "writefile()");
-	return;
-    }
-    if (argvars[0].vval.v_list == NULL)
-	return;
-
-    if (argvars[2].v_type != VAR_UNKNOWN)
-    {
-	if (vim_strchr(get_tv_string(&argvars[2]), 'b') != NULL)
-	    binary = TRUE;
-	if (vim_strchr(get_tv_string(&argvars[2]), 'a') != NULL)
-	    append = TRUE;
-    }
-
-    /* Always open the file in binary mode, library functions have a mind of
-     * their own about CR-LF conversion. */
-    fname = get_tv_string(&argvars[1]);
-    if (*fname == NUL || (fd = mch_fopen((char *)fname,
-				      append ? APPENDBIN : WRITEBIN)) == NULL)
-    {
-	EMSG2(_(e_notcreate), *fname == NUL ? (char_u *)_("<empty>") : fname);
-	ret = -1;
-    }
-    else
-    {
-	if (write_list(fd, argvars[0].vval.v_list, binary) == FAIL)
-	    ret = -1;
-	fclose(fd);
-    }
-
-    rettv->vval.v_number = ret;
-}
-
-/*
- * "xor(expr, expr)" function
- */
-    static void
-f_xor(typval_T *argvars, typval_T *rettv)
-{
-    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
-					^ get_tv_number_chk(&argvars[1], NULL);
-}
 
 
 /*
  * Translate a String variable into a position.
  * Returns NULL when there is an error.
  */
-    static pos_T *
+    pos_T *
 var2fpos(
     typval_T	*varp,
     int		dollar_lnum,	/* TRUE when $ is last line */
@@ -19415,7 +6095,7 @@ var2fpos(
  * Return FAIL when conversion is not possible, doesn't check the position for
  * validity.
  */
-    static int
+    int
 list2fpos(
     typval_T	*arg,
     pos_T	*posp,
@@ -19531,7 +6211,7 @@ get_id_len(char_u **arg)
  * If the name contains 'magic' {}'s, expand them and return the
  * expanded name in an allocated string via 'alias' - caller must free.
  */
-    static int
+    int
 get_name_len(
     char_u	**arg,
     char_u	**alias,
@@ -20032,7 +6712,7 @@ set_cmdarg(exarg_T *eap, char_u *oldarg)
  * Get the value of internal variable "name".
  * Return OK or FAIL.
  */
-    static int
+    int
 get_var_tv(
     char_u	*name,
     int		len,		/* length of "name" */
@@ -20324,7 +7004,7 @@ clear_tv(typval_T *varp)
 /*
  * Set the value of a variable to NULL without freeing items.
  */
-    static void
+    void
 init_tv(typval_T *varp)
 {
     if (varp != NULL)
@@ -20401,7 +7081,7 @@ get_tv_number_chk(typval_T *varp, int *denote)
 }
 
 #ifdef FEAT_FLOAT
-    static float_T
+    float_T
 get_tv_float(typval_T *varp)
 {
     switch (varp->v_type)
@@ -20445,44 +7125,6 @@ get_tv_float(typval_T *varp)
 #endif
 
 /*
- * Get the lnum from the first argument.
- * Also accepts ".", "$", etc., but that only works for the current buffer.
- * Returns -1 on error.
- */
-    static linenr_T
-get_tv_lnum(typval_T *argvars)
-{
-    typval_T	rettv;
-    linenr_T	lnum;
-
-    lnum = (linenr_T)get_tv_number_chk(&argvars[0], NULL);
-    if (lnum == 0)  /* no valid number, try using line() */
-    {
-	rettv.v_type = VAR_NUMBER;
-	f_line(argvars, &rettv);
-	lnum = (linenr_T)rettv.vval.v_number;
-	clear_tv(&rettv);
-    }
-    return lnum;
-}
-
-/*
- * Get the lnum from the first argument.
- * Also accepts "$", then "buf" is used.
- * Returns 0 on error.
- */
-    static linenr_T
-get_tv_lnum_buf(typval_T *argvars, buf_T *buf)
-{
-    if (argvars[0].v_type == VAR_STRING
-	    && argvars[0].vval.v_string != NULL
-	    && argvars[0].vval.v_string[0] == '$'
-	    && buf != NULL)
-	return buf->b_ml.ml_line_count;
-    return (linenr_T)get_tv_number_chk(&argvars[0], NULL);
-}
-
-/*
  * Get the string value of a variable.
  * If it is a Number variable, the number is converted into a string.
  * get_tv_string() uses a single, static buffer.  YOU CAN ONLY USE IT ONCE!
@@ -20624,7 +7266,7 @@ find_var(char_u *name, hashtab_T **htp, int no_autoload)
  * Find variable "varname" in hashtab "ht" with name "htname".
  * Returns NULL if not found.
  */
-    static dictitem_T *
+    dictitem_T *
 find_var_in_ht(
     hashtab_T	*ht,
     int		htname,
@@ -20936,7 +7578,7 @@ list_one_var_a(
  * If the variable already exists, the value is updated.
  * Otherwise the variable is created.
  */
-    static void
+    void
 set_var(
     char_u	*name,
     typval_T	*tv,
@@ -21064,7 +7706,7 @@ var_check_ro(int flags, char_u *name, int use_gettext)
  * Return TRUE if di_flags "flags" indicates variable "name" is fixed.
  * Also give an error message.
  */
-    static int
+    int
 var_check_fixed(int flags, char_u *name, int use_gettext)
 {
     if (flags & DI_FLAGS_FIX)
@@ -21310,6 +7952,110 @@ item_copy(
 }
 
 /*
+ * This function is used by f_input() and f_inputdialog() functions. The third
+ * argument to f_input() specifies the type of completion to use at the
+ * prompt. The third argument to f_inputdialog() specifies the value to return
+ * when the user cancels the prompt.
+ */
+    void
+get_user_input(
+    typval_T	*argvars,
+    typval_T	*rettv,
+    int		inputdialog,
+    int		secret)
+{
+    char_u	*prompt = get_tv_string_chk(&argvars[0]);
+    char_u	*p = NULL;
+    int		c;
+    char_u	buf[NUMBUFLEN];
+    int		cmd_silent_save = cmd_silent;
+    char_u	*defstr = (char_u *)"";
+    int		xp_type = EXPAND_NOTHING;
+    char_u	*xp_arg = NULL;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+#ifdef NO_CONSOLE_INPUT
+    /* While starting up, there is no place to enter text. */
+    if (no_console_input())
+	return;
+#endif
+
+    cmd_silent = FALSE;		/* Want to see the prompt. */
+    if (prompt != NULL)
+    {
+	/* Only the part of the message after the last NL is considered as
+	 * prompt for the command line */
+	p = vim_strrchr(prompt, '\n');
+	if (p == NULL)
+	    p = prompt;
+	else
+	{
+	    ++p;
+	    c = *p;
+	    *p = NUL;
+	    msg_start();
+	    msg_clr_eos();
+	    msg_puts_attr(prompt, echo_attr);
+	    msg_didout = FALSE;
+	    msg_starthere();
+	    *p = c;
+	}
+	cmdline_row = msg_row;
+
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	{
+	    defstr = get_tv_string_buf_chk(&argvars[1], buf);
+	    if (defstr != NULL)
+		stuffReadbuffSpec(defstr);
+
+	    if (!inputdialog && argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		char_u	*xp_name;
+		int	xp_namelen;
+		long	argt;
+
+		/* input() with a third argument: completion */
+		rettv->vval.v_string = NULL;
+
+		xp_name = get_tv_string_buf_chk(&argvars[2], buf);
+		if (xp_name == NULL)
+		    return;
+
+		xp_namelen = (int)STRLEN(xp_name);
+
+		if (parse_compl_arg(xp_name, xp_namelen, &xp_type, &argt,
+							     &xp_arg) == FAIL)
+		    return;
+	    }
+	}
+
+	if (defstr != NULL)
+	{
+	    int save_ex_normal_busy = ex_normal_busy;
+	    ex_normal_busy = 0;
+	    rettv->vval.v_string =
+		getcmdline_prompt(secret ? NUL : '@', p, echo_attr,
+							      xp_type, xp_arg);
+	    ex_normal_busy = save_ex_normal_busy;
+	}
+	if (inputdialog && rettv->vval.v_string == NULL
+		&& argvars[1].v_type != VAR_UNKNOWN
+		&& argvars[2].v_type != VAR_UNKNOWN)
+	    rettv->vval.v_string = vim_strsave(get_tv_string_buf(
+							   &argvars[2], buf));
+
+	vim_free(xp_arg);
+
+	/* since the user typed this, no need to wait for return */
+	need_wait_return = FALSE;
+	msg_didout = FALSE;
+    }
+    cmd_silent = cmd_silent_save;
+}
+
+/*
  * ":echo expr1 ..."	print each argument separated with a space, add a
  *			newline at the end.
  * ":echon expr1 ..."	print each argument plain.
@@ -21516,6 +8262,224 @@ ex_execute(exarg_T *eap)
 }
 
 /*
+ * Find window specified by "vp" in tabpage "tp".
+ */
+    win_T *
+find_win_by_nr(
+    typval_T	*vp,
+    tabpage_T	*tp UNUSED)	/* NULL for current tab page */
+{
+#ifdef FEAT_WINDOWS
+    win_T	*wp;
+#endif
+    int		nr;
+
+    nr = (int)get_tv_number_chk(vp, NULL);
+
+#ifdef FEAT_WINDOWS
+    if (nr < 0)
+	return NULL;
+    if (nr == 0)
+	return curwin;
+
+    for (wp = (tp == NULL || tp == curtab) ? firstwin : tp->tp_firstwin;
+						  wp != NULL; wp = wp->w_next)
+	if (nr >= LOWEST_WIN_ID)
+	{
+	    if (wp->w_id == nr)
+		return wp;
+	}
+	else if (--nr <= 0)
+	    break;
+    if (nr >= LOWEST_WIN_ID)
+	return NULL;
+    return wp;
+#else
+    if (nr == 0 || nr == 1 || nr == curwin->w_id)
+	return curwin;
+    return NULL;
+#endif
+}
+
+/*
+ * Find window specified by "wvp" in tabpage "tvp".
+ */
+    win_T *
+find_tabwin(
+    typval_T	*wvp,	/* VAR_UNKNOWN for current window */
+    typval_T	*tvp)	/* VAR_UNKNOWN for current tab page */
+{
+    win_T	*wp = NULL;
+    tabpage_T	*tp = NULL;
+    long	n;
+
+    if (wvp->v_type != VAR_UNKNOWN)
+    {
+	if (tvp->v_type != VAR_UNKNOWN)
+	{
+	    n = (long)get_tv_number(tvp);
+	    if (n >= 0)
+		tp = find_tabpage(n);
+	}
+	else
+	    tp = curtab;
+
+	if (tp != NULL)
+	    wp = find_win_by_nr(wvp, tp);
+    }
+    else
+	wp = curwin;
+
+    return wp;
+}
+
+/*
+ * getwinvar() and gettabwinvar()
+ */
+    void
+getwinvar(
+    typval_T	*argvars,
+    typval_T	*rettv,
+    int		off)	    /* 1 for gettabwinvar() */
+{
+    win_T	*win;
+    char_u	*varname;
+    dictitem_T	*v;
+    tabpage_T	*tp = NULL;
+    int		done = FALSE;
+#ifdef FEAT_WINDOWS
+    win_T	*oldcurwin;
+    tabpage_T	*oldtabpage;
+    int		need_switch_win;
+#endif
+
+#ifdef FEAT_WINDOWS
+    if (off == 1)
+	tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
+    else
+	tp = curtab;
+#endif
+    win = find_win_by_nr(&argvars[off], tp);
+    varname = get_tv_string_chk(&argvars[off + 1]);
+    ++emsg_off;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    if (win != NULL && varname != NULL)
+    {
+#ifdef FEAT_WINDOWS
+	/* Set curwin to be our win, temporarily.  Also set the tabpage,
+	 * otherwise the window is not valid. Only do this when needed,
+	 * autocommands get blocked. */
+	need_switch_win = !(tp == curtab && win == curwin);
+	if (!need_switch_win
+		  || switch_win(&oldcurwin, &oldtabpage, win, tp, TRUE) == OK)
+#endif
+	{
+	    if (*varname == '&')	/* window-local-option */
+	    {
+		if (get_option_tv(&varname, rettv, 1) == OK)
+		    done = TRUE;
+	    }
+	    else
+	    {
+		/* Look up the variable. */
+		/* Let getwinvar({nr}, "") return the "w:" dictionary. */
+		v = find_var_in_ht(&win->w_vars->dv_hashtab, 'w',
+							      varname, FALSE);
+		if (v != NULL)
+		{
+		    copy_tv(&v->di_tv, rettv);
+		    done = TRUE;
+		}
+	    }
+	}
+
+#ifdef FEAT_WINDOWS
+	if (need_switch_win)
+	    /* restore previous notion of curwin */
+	    restore_win(oldcurwin, oldtabpage, TRUE);
+#endif
+    }
+
+    if (!done && argvars[off + 2].v_type != VAR_UNKNOWN)
+	/* use the default return value */
+	copy_tv(&argvars[off + 2], rettv);
+
+    --emsg_off;
+}
+
+/*
+ * "setwinvar()" and "settabwinvar()" functions
+ */
+    void
+setwinvar(typval_T *argvars, typval_T *rettv UNUSED, int off)
+{
+    win_T	*win;
+#ifdef FEAT_WINDOWS
+    win_T	*save_curwin;
+    tabpage_T	*save_curtab;
+    int		need_switch_win;
+#endif
+    char_u	*varname, *winvarname;
+    typval_T	*varp;
+    char_u	nbuf[NUMBUFLEN];
+    tabpage_T	*tp = NULL;
+
+    if (check_restricted() || check_secure())
+	return;
+
+#ifdef FEAT_WINDOWS
+    if (off == 1)
+	tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
+    else
+	tp = curtab;
+#endif
+    win = find_win_by_nr(&argvars[off], tp);
+    varname = get_tv_string_chk(&argvars[off + 1]);
+    varp = &argvars[off + 2];
+
+    if (win != NULL && varname != NULL && varp != NULL)
+    {
+#ifdef FEAT_WINDOWS
+	need_switch_win = !(tp == curtab && win == curwin);
+	if (!need_switch_win
+	       || switch_win(&save_curwin, &save_curtab, win, tp, TRUE) == OK)
+#endif
+	{
+	    if (*varname == '&')
+	    {
+		long	numval;
+		char_u	*strval;
+		int		error = FALSE;
+
+		++varname;
+		numval = (long)get_tv_number_chk(varp, &error);
+		strval = get_tv_string_buf_chk(varp, nbuf);
+		if (!error && strval != NULL)
+		    set_option_value(varname, numval, strval, OPT_LOCAL);
+	    }
+	    else
+	    {
+		winvarname = alloc((unsigned)STRLEN(varname) + 3);
+		if (winvarname != NULL)
+		{
+		    STRCPY(winvarname, "w:");
+		    STRCPY(winvarname + 2, varname);
+		    set_var(winvarname, varp, TRUE);
+		    vim_free(winvarname);
+		}
+	    }
+	}
+#ifdef FEAT_WINDOWS
+	if (need_switch_win)
+	    restore_win(save_curwin, save_curtab, TRUE);
+#endif
+    }
+}
+
+/*
  * Skip over the name of an option: "&option", "&g:option" or "&l:option".
  * "arg" points to the "&" or '+' when called, to "option" when returning.
  * Returns NULL when no option name found.  Otherwise pointer to the char
@@ -21932,6 +8896,255 @@ reset_v_option_vars(void)
     set_vim_var_string(VV_OPTION_TYPE, NULL, -1);
 }
 
+/*
+ * Prepare "gap" for an assert error and add the sourcing position.
+ */
+    void
+prepare_assert_error(garray_T *gap)
+{
+    char buf[NUMBUFLEN];
+
+    ga_init2(gap, 1, 100);
+    if (sourcing_name != NULL)
+    {
+	ga_concat(gap, sourcing_name);
+	if (sourcing_lnum > 0)
+	    ga_concat(gap, (char_u *)" ");
+    }
+    if (sourcing_lnum > 0)
+    {
+	sprintf(buf, "line %ld", (long)sourcing_lnum);
+	ga_concat(gap, (char_u *)buf);
+    }
+    if (sourcing_name != NULL || sourcing_lnum > 0)
+	ga_concat(gap, (char_u *)": ");
+}
+
+/*
+ * Add an assert error to v:errors.
+ */
+    void
+assert_error(garray_T *gap)
+{
+    struct vimvar   *vp = &vimvars[VV_ERRORS];
+
+    if (vp->vv_type != VAR_LIST || vimvars[VV_ERRORS].vv_list == NULL)
+	/* Make sure v:errors is a list. */
+	set_vim_var_list(VV_ERRORS, list_alloc());
+    list_append_string(vimvars[VV_ERRORS].vv_list, gap->ga_data, gap->ga_len);
+}
+
+    void
+assert_equal_common(typval_T *argvars, assert_type_T atype)
+{
+    garray_T	ga;
+
+    if (tv_equal(&argvars[0], &argvars[1], FALSE, FALSE)
+						   != (atype == ASSERT_EQUAL))
+    {
+	prepare_assert_error(&ga);
+	fill_assert_error(&ga, &argvars[2], NULL, &argvars[0], &argvars[1],
+								       atype);
+	assert_error(&ga);
+	ga_clear(&ga);
+    }
+}
+
+    void
+assert_match_common(typval_T *argvars, assert_type_T atype)
+{
+    garray_T	ga;
+    char_u	buf1[NUMBUFLEN];
+    char_u	buf2[NUMBUFLEN];
+    char_u	*pat = get_tv_string_buf_chk(&argvars[0], buf1);
+    char_u	*text = get_tv_string_buf_chk(&argvars[1], buf2);
+
+    if (pat == NULL || text == NULL)
+	EMSG(_(e_invarg));
+    else if (pattern_match(pat, text, FALSE) != (atype == ASSERT_MATCH))
+    {
+	prepare_assert_error(&ga);
+	fill_assert_error(&ga, &argvars[2], NULL, &argvars[0], &argvars[1],
+									atype);
+	assert_error(&ga);
+	ga_clear(&ga);
+    }
+}
+
+/*
+ * Common for assert_true() and assert_false().
+ */
+    void
+assert_bool(typval_T *argvars, int isTrue)
+{
+    int		error = FALSE;
+    garray_T	ga;
+
+    if (argvars[0].v_type == VAR_SPECIAL
+	    && argvars[0].vval.v_number == (isTrue ? VVAL_TRUE : VVAL_FALSE))
+	return;
+    if (argvars[0].v_type != VAR_NUMBER
+	    || (get_tv_number_chk(&argvars[0], &error) == 0) == isTrue
+	    || error)
+    {
+	prepare_assert_error(&ga);
+	fill_assert_error(&ga, &argvars[1],
+		(char_u *)(isTrue ? "True" : "False"),
+		NULL, &argvars[0], ASSERT_OTHER);
+	assert_error(&ga);
+	ga_clear(&ga);
+    }
+}
+
+    void
+assert_exception(typval_T *argvars)
+{
+    garray_T	ga;
+    char_u	*error = get_tv_string_chk(&argvars[0]);
+
+    if (vimvars[VV_EXCEPTION].vv_str == NULL)
+    {
+	prepare_assert_error(&ga);
+	ga_concat(&ga, (char_u *)"v:exception is not set");
+	assert_error(&ga);
+	ga_clear(&ga);
+    }
+    else if (error != NULL
+	&& strstr((char *)vimvars[VV_EXCEPTION].vv_str, (char *)error) == NULL)
+    {
+	prepare_assert_error(&ga);
+	fill_assert_error(&ga, &argvars[1], NULL, &argvars[0],
+				  &vimvars[VV_EXCEPTION].vv_tv, ASSERT_OTHER);
+	assert_error(&ga);
+	ga_clear(&ga);
+    }
+}
+
+    void
+assert_fails(typval_T *argvars)
+{
+    char_u	*cmd = get_tv_string_chk(&argvars[0]);
+    garray_T	ga;
+
+    called_emsg = FALSE;
+    suppress_errthrow = TRUE;
+    emsg_silent = TRUE;
+    do_cmdline_cmd(cmd);
+    if (!called_emsg)
+    {
+	prepare_assert_error(&ga);
+	ga_concat(&ga, (char_u *)"command did not fail: ");
+	ga_concat(&ga, cmd);
+	assert_error(&ga);
+	ga_clear(&ga);
+    }
+    else if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	char_u	buf[NUMBUFLEN];
+	char	*error = (char *)get_tv_string_buf_chk(&argvars[1], buf);
+
+	if (error == NULL
+		  || strstr((char *)vimvars[VV_ERRMSG].vv_str, error) == NULL)
+	{
+	    prepare_assert_error(&ga);
+	    fill_assert_error(&ga, &argvars[2], NULL, &argvars[1],
+				     &vimvars[VV_ERRMSG].vv_tv, ASSERT_OTHER);
+	    assert_error(&ga);
+	    ga_clear(&ga);
+	}
+    }
+
+    called_emsg = FALSE;
+    suppress_errthrow = FALSE;
+    emsg_silent = FALSE;
+    emsg_on_display = FALSE;
+    set_vim_var_string(VV_ERRMSG, NULL, 0);
+}
+
+/*
+ * Append "str" to "gap", escaping unprintable characters.
+ * Changes NL to \n, CR to \r, etc.
+ */
+    static void
+ga_concat_esc(garray_T *gap, char_u *str)
+{
+    char_u  *p;
+    char_u  buf[NUMBUFLEN];
+
+    if (str == NULL)
+    {
+	ga_concat(gap, (char_u *)"NULL");
+	return;
+    }
+
+    for (p = str; *p != NUL; ++p)
+	switch (*p)
+	{
+	    case BS: ga_concat(gap, (char_u *)"\\b"); break;
+	    case ESC: ga_concat(gap, (char_u *)"\\e"); break;
+	    case FF: ga_concat(gap, (char_u *)"\\f"); break;
+	    case NL: ga_concat(gap, (char_u *)"\\n"); break;
+	    case TAB: ga_concat(gap, (char_u *)"\\t"); break;
+	    case CAR: ga_concat(gap, (char_u *)"\\r"); break;
+	    case '\\': ga_concat(gap, (char_u *)"\\\\"); break;
+	    default:
+		if (*p < ' ')
+		{
+		    vim_snprintf((char *)buf, NUMBUFLEN, "\\x%02x", *p);
+		    ga_concat(gap, buf);
+		}
+		else
+		    ga_append(gap, *p);
+		break;
+	}
+}
+
+/*
+ * Fill "gap" with information about an assert error.
+ */
+    void
+fill_assert_error(
+    garray_T	*gap,
+    typval_T	*opt_msg_tv,
+    char_u      *exp_str,
+    typval_T	*exp_tv,
+    typval_T	*got_tv,
+    assert_type_T atype)
+{
+    char_u	numbuf[NUMBUFLEN];
+    char_u	*tofree;
+
+    if (opt_msg_tv->v_type != VAR_UNKNOWN)
+    {
+	ga_concat(gap, tv2string(opt_msg_tv, &tofree, numbuf, 0));
+	vim_free(tofree);
+    }
+    else
+    {
+	if (atype == ASSERT_MATCH || atype == ASSERT_NOTMATCH)
+	    ga_concat(gap, (char_u *)"Pattern ");
+	else
+	    ga_concat(gap, (char_u *)"Expected ");
+	if (exp_str == NULL)
+	{
+	    ga_concat_esc(gap, tv2string(exp_tv, &tofree, numbuf, 0));
+	    vim_free(tofree);
+	}
+	else
+	    ga_concat_esc(gap, exp_str);
+	if (atype == ASSERT_MATCH)
+	    ga_concat(gap, (char_u *)" does not match ");
+	else if (atype == ASSERT_NOTMATCH)
+	    ga_concat(gap, (char_u *)" does match ");
+	else if (atype == ASSERT_NOTEQUAL)
+	    ga_concat(gap, (char_u *)" differs from ");
+	else
+	    ga_concat(gap, (char_u *)" but got ");
+	ga_concat_esc(gap, tv2string(got_tv, &tofree, numbuf, 0));
+	vim_free(tofree);
+    }
+}
+
 
 #endif /* FEAT_EVAL */
 
@@ -22678,4 +9891,192 @@ do_string_sub(
     return ret;
 }
 
+    static int
+filter_map_one(typval_T *tv, typval_T *expr, int map, int *remp)
+{
+    typval_T	rettv;
+    typval_T	argv[3];
+    char_u	buf[NUMBUFLEN];
+    char_u	*s;
+    int		retval = FAIL;
+    int		dummy;
+
+    copy_tv(tv, &vimvars[VV_VAL].vv_tv);
+    argv[0] = vimvars[VV_KEY].vv_tv;
+    argv[1] = vimvars[VV_VAL].vv_tv;
+    if (expr->v_type == VAR_FUNC)
+    {
+	s = expr->vval.v_string;
+	if (call_func(s, (int)STRLEN(s),
+		    &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL, NULL) == FAIL)
+	    goto theend;
+    }
+    else if (expr->v_type == VAR_PARTIAL)
+    {
+	partial_T   *partial = expr->vval.v_partial;
+
+	s = partial->pt_name;
+	if (call_func(s, (int)STRLEN(s),
+		    &rettv, 2, argv, 0L, 0L, &dummy, TRUE, partial, NULL)
+								      == FAIL)
+	    goto theend;
+    }
+    else
+    {
+	s = get_tv_string_buf_chk(expr, buf);
+	if (s == NULL)
+	    goto theend;
+	s = skipwhite(s);
+	if (eval1(&s, &rettv, TRUE) == FAIL)
+	    goto theend;
+	if (*s != NUL)  /* check for trailing chars after expr */
+	{
+	    EMSG2(_(e_invexpr2), s);
+	    goto theend;
+	}
+    }
+    if (map)
+    {
+	/* map(): replace the list item value */
+	clear_tv(tv);
+	rettv.v_lock = 0;
+	*tv = rettv;
+    }
+    else
+    {
+	int	    error = FALSE;
+
+	/* filter(): when expr is zero remove the item */
+	*remp = (get_tv_number_chk(&rettv, &error) == 0);
+	clear_tv(&rettv);
+	/* On type error, nothing has been removed; return FAIL to stop the
+	 * loop.  The error message was given by get_tv_number_chk(). */
+	if (error)
+	    goto theend;
+    }
+    retval = OK;
+theend:
+    clear_tv(&vimvars[VV_VAL].vv_tv);
+    return retval;
+}
+
+
+/*
+ * Implementation of map() and filter().
+ */
+    void
+filter_map(typval_T *argvars, typval_T *rettv, int map)
+{
+    typval_T	*expr;
+    listitem_T	*li, *nli;
+    list_T	*l = NULL;
+    dictitem_T	*di;
+    hashtab_T	*ht;
+    hashitem_T	*hi;
+    dict_T	*d = NULL;
+    typval_T	save_val;
+    typval_T	save_key;
+    int		rem;
+    int		todo;
+    char_u	*ermsg = (char_u *)(map ? "map()" : "filter()");
+    char_u	*arg_errmsg = (char_u *)(map ? N_("map() argument")
+				   : N_("filter() argument"));
+    int		save_did_emsg;
+    int		idx = 0;
+
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	if ((l = argvars[0].vval.v_list) == NULL
+	      || (!map && tv_check_lock(l->lv_lock, arg_errmsg, TRUE)))
+	    return;
+    }
+    else if (argvars[0].v_type == VAR_DICT)
+    {
+	if ((d = argvars[0].vval.v_dict) == NULL
+	      || (!map && tv_check_lock(d->dv_lock, arg_errmsg, TRUE)))
+	    return;
+    }
+    else
+    {
+	EMSG2(_(e_listdictarg), ermsg);
+	return;
+    }
+
+    expr = &argvars[1];
+    /* On type errors, the preceding call has already displayed an error
+     * message.  Avoid a misleading error message for an empty string that
+     * was not passed as argument. */
+    if (expr->v_type != VAR_UNKNOWN)
+    {
+	prepare_vimvar(VV_VAL, &save_val);
+
+	/* We reset "did_emsg" to be able to detect whether an error
+	 * occurred during evaluation of the expression. */
+	save_did_emsg = did_emsg;
+	did_emsg = FALSE;
+
+	prepare_vimvar(VV_KEY, &save_key);
+	if (argvars[0].v_type == VAR_DICT)
+	{
+	    vimvars[VV_KEY].vv_type = VAR_STRING;
+
+	    ht = &d->dv_hashtab;
+	    hash_lock(ht);
+	    todo = (int)ht->ht_used;
+	    for (hi = ht->ht_array; todo > 0; ++hi)
+	    {
+		if (!HASHITEM_EMPTY(hi))
+		{
+		    int r;
+
+		    --todo;
+		    di = HI2DI(hi);
+		    if (map &&
+			    (tv_check_lock(di->di_tv.v_lock, arg_errmsg, TRUE)
+			    || var_check_ro(di->di_flags, arg_errmsg, TRUE)))
+			break;
+		    vimvars[VV_KEY].vv_str = vim_strsave(di->di_key);
+		    r = filter_map_one(&di->di_tv, expr, map, &rem);
+		    clear_tv(&vimvars[VV_KEY].vv_tv);
+		    if (r == FAIL || did_emsg)
+			break;
+		    if (!map && rem)
+		    {
+			if (var_check_fixed(di->di_flags, arg_errmsg, TRUE)
+			    || var_check_ro(di->di_flags, arg_errmsg, TRUE))
+			    break;
+			dictitem_remove(d, di);
+		    }
+		}
+	    }
+	    hash_unlock(ht);
+	}
+	else
+	{
+	    vimvars[VV_KEY].vv_type = VAR_NUMBER;
+
+	    for (li = l->lv_first; li != NULL; li = nli)
+	    {
+		if (map && tv_check_lock(li->li_tv.v_lock, arg_errmsg, TRUE))
+		    break;
+		nli = li->li_next;
+		vimvars[VV_KEY].vv_nr = idx;
+		if (filter_map_one(&li->li_tv, expr, map, &rem) == FAIL
+								  || did_emsg)
+		    break;
+		if (!map && rem)
+		    listitem_remove(l, li);
+		++idx;
+	    }
+	}
+
+	restore_vimvar(VV_KEY, &save_key);
+	restore_vimvar(VV_VAL, &save_val);
+
+	did_emsg |= save_did_emsg;
+    }
+
+    copy_tv(&argvars[0], rettv);
+}
+
 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
diff --git a/src/evalfunc.c b/src/evalfunc.c
new file mode 100644
index 000000000..7d3f87521
--- /dev/null
+++ b/src/evalfunc.c
@@ -0,0 +1,12552 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved	by Bram Moolenaar
+ *
+ * Do ":help uganda"  in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * evalfunc.c: Builtin functions
+ */
+#define USING_FLOAT_STUFF
+
+#include "vim.h"
+
+#if defined(FEAT_EVAL) || defined(PROTO)
+
+#ifdef AMIGA
+# include <time.h>	/* for strftime() */
+#endif
+
+#ifdef VMS
+# include <float.h>
+#endif
+
+#ifdef MACOS
+# include <time.h>	/* for time_t */
+#endif
+
+static char *e_listarg = N_("E686: Argument of %s must be a List");
+#ifdef FEAT_QUICKFIX
+static char *e_stringreq = N_("E928: String required");
+#endif
+
+#ifdef FEAT_FLOAT
+static void f_abs(typval_T *argvars, typval_T *rettv);
+static void f_acos(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_add(typval_T *argvars, typval_T *rettv);
+static void f_and(typval_T *argvars, typval_T *rettv);
+static void f_append(typval_T *argvars, typval_T *rettv);
+static void f_argc(typval_T *argvars, typval_T *rettv);
+static void f_argidx(typval_T *argvars, typval_T *rettv);
+static void f_arglistid(typval_T *argvars, typval_T *rettv);
+static void f_argv(typval_T *argvars, typval_T *rettv);
+static void f_assert_equal(typval_T *argvars, typval_T *rettv);
+static void f_assert_exception(typval_T *argvars, typval_T *rettv);
+static void f_assert_fails(typval_T *argvars, typval_T *rettv);
+static void f_assert_false(typval_T *argvars, typval_T *rettv);
+static void f_assert_match(typval_T *argvars, typval_T *rettv);
+static void f_assert_notequal(typval_T *argvars, typval_T *rettv);
+static void f_assert_notmatch(typval_T *argvars, typval_T *rettv);
+static void f_assert_true(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_asin(typval_T *argvars, typval_T *rettv);
+static void f_atan(typval_T *argvars, typval_T *rettv);
+static void f_atan2(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_browse(typval_T *argvars, typval_T *rettv);
+static void f_browsedir(typval_T *argvars, typval_T *rettv);
+static void f_bufexists(typval_T *argvars, typval_T *rettv);
+static void f_buflisted(typval_T *argvars, typval_T *rettv);
+static void f_bufloaded(typval_T *argvars, typval_T *rettv);
+static void f_bufname(typval_T *argvars, typval_T *rettv);
+static void f_bufnr(typval_T *argvars, typval_T *rettv);
+static void f_bufwinid(typval_T *argvars, typval_T *rettv);
+static void f_bufwinnr(typval_T *argvars, typval_T *rettv);
+static void f_byte2line(typval_T *argvars, typval_T *rettv);
+static void byteidx(typval_T *argvars, typval_T *rettv, int comp);
+static void f_byteidx(typval_T *argvars, typval_T *rettv);
+static void f_byteidxcomp(typval_T *argvars, typval_T *rettv);
+static void f_call(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_ceil(typval_T *argvars, typval_T *rettv);
+#endif
+#ifdef FEAT_JOB_CHANNEL
+static void f_ch_close(typval_T *argvars, typval_T *rettv);
+static void f_ch_evalexpr(typval_T *argvars, typval_T *rettv);
+static void f_ch_evalraw(typval_T *argvars, typval_T *rettv);
+static void f_ch_getbufnr(typval_T *argvars, typval_T *rettv);
+static void f_ch_getjob(typval_T *argvars, typval_T *rettv);
+static void f_ch_info(typval_T *argvars, typval_T *rettv);
+static void f_ch_log(typval_T *argvars, typval_T *rettv);
+static void f_ch_logfile(typval_T *argvars, typval_T *rettv);
+static void f_ch_open(typval_T *argvars, typval_T *rettv);
+static void f_ch_read(typval_T *argvars, typval_T *rettv);
+static void f_ch_readraw(typval_T *argvars, typval_T *rettv);
+static void f_ch_sendexpr(typval_T *argvars, typval_T *rettv);
+static void f_ch_sendraw(typval_T *argvars, typval_T *rettv);
+static void f_ch_setoptions(typval_T *argvars, typval_T *rettv);
+static void f_ch_status(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_changenr(typval_T *argvars, typval_T *rettv);
+static void f_char2nr(typval_T *argvars, typval_T *rettv);
+static void f_cindent(typval_T *argvars, typval_T *rettv);
+static void f_clearmatches(typval_T *argvars, typval_T *rettv);
+static void f_col(typval_T *argvars, typval_T *rettv);
+#if defined(FEAT_INS_EXPAND)
+static void f_complete(typval_T *argvars, typval_T *rettv);
+static void f_complete_add(typval_T *argvars, typval_T *rettv);
+static void f_complete_check(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_confirm(typval_T *argvars, typval_T *rettv);
+static void f_copy(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_cos(typval_T *argvars, typval_T *rettv);
+static void f_cosh(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_count(typval_T *argvars, typval_T *rettv);
+static void f_cscope_connection(typval_T *argvars, typval_T *rettv);
+static void f_cursor(typval_T *argsvars, typval_T *rettv);
+static void f_deepcopy(typval_T *argvars, typval_T *rettv);
+static void f_delete(typval_T *argvars, typval_T *rettv);
+static void f_did_filetype(typval_T *argvars, typval_T *rettv);
+static void f_diff_filler(typval_T *argvars, typval_T *rettv);
+static void f_diff_hlID(typval_T *argvars, typval_T *rettv);
+static void f_empty(typval_T *argvars, typval_T *rettv);
+static void f_escape(typval_T *argvars, typval_T *rettv);
+static void f_eval(typval_T *argvars, typval_T *rettv);
+static void f_eventhandler(typval_T *argvars, typval_T *rettv);
+static void f_executable(typval_T *argvars, typval_T *rettv);
+static void f_execute(typval_T *argvars, typval_T *rettv);
+static void f_exepath(typval_T *argvars, typval_T *rettv);
+static void f_exists(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_exp(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_expand(typval_T *argvars, typval_T *rettv);
+static void f_extend(typval_T *argvars, typval_T *rettv);
+static void f_feedkeys(typval_T *argvars, typval_T *rettv);
+static void f_filereadable(typval_T *argvars, typval_T *rettv);
+static void f_filewritable(typval_T *argvars, typval_T *rettv);
+static void f_filter(typval_T *argvars, typval_T *rettv);
+static void f_finddir(typval_T *argvars, typval_T *rettv);
+static void f_findfile(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_float2nr(typval_T *argvars, typval_T *rettv);
+static void f_floor(typval_T *argvars, typval_T *rettv);
+static void f_fmod(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_fnameescape(typval_T *argvars, typval_T *rettv);
+static void f_fnamemodify(typval_T *argvars, typval_T *rettv);
+static void f_foldclosed(typval_T *argvars, typval_T *rettv);
+static void f_foldclosedend(typval_T *argvars, typval_T *rettv);
+static void f_foldlevel(typval_T *argvars, typval_T *rettv);
+static void f_foldtext(typval_T *argvars, typval_T *rettv);
+static void f_foldtextresult(typval_T *argvars, typval_T *rettv);
+static void f_foreground(typval_T *argvars, typval_T *rettv);
+static void f_function(typval_T *argvars, typval_T *rettv);
+static void f_garbagecollect(typval_T *argvars, typval_T *rettv);
+static void f_get(typval_T *argvars, typval_T *rettv);
+static void f_getbufline(typval_T *argvars, typval_T *rettv);
+static void f_getbufvar(typval_T *argvars, typval_T *rettv);
+static void f_getchar(typval_T *argvars, typval_T *rettv);
+static void f_getcharmod(typval_T *argvars, typval_T *rettv);
+static void f_getcharsearch(typval_T *argvars, typval_T *rettv);
+static void f_getcmdline(typval_T *argvars, typval_T *rettv);
+#if defined(FEAT_CMDL_COMPL)
+static void f_getcompletion(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_getcmdpos(typval_T *argvars, typval_T *rettv);
+static void f_getcmdtype(typval_T *argvars, typval_T *rettv);
+static void f_getcmdwintype(typval_T *argvars, typval_T *rettv);
+static void f_getcwd(typval_T *argvars, typval_T *rettv);
+static void f_getfontname(typval_T *argvars, typval_T *rettv);
+static void f_getfperm(typval_T *argvars, typval_T *rettv);
+static void f_getfsize(typval_T *argvars, typval_T *rettv);
+static void f_getftime(typval_T *argvars, typval_T *rettv);
+static void f_getftype(typval_T *argvars, typval_T *rettv);
+static void f_getline(typval_T *argvars, typval_T *rettv);
+static void f_getmatches(typval_T *argvars, typval_T *rettv);
+static void f_getpid(typval_T *argvars, typval_T *rettv);
+static void f_getcurpos(typval_T *argvars, typval_T *rettv);
+static void f_getpos(typval_T *argvars, typval_T *rettv);
+static void f_getqflist(typval_T *argvars, typval_T *rettv);
+static void f_getreg(typval_T *argvars, typval_T *rettv);
+static void f_getregtype(typval_T *argvars, typval_T *rettv);
+static void f_gettabvar(typval_T *argvars, typval_T *rettv);
+static void f_gettabwinvar(typval_T *argvars, typval_T *rettv);
+static void f_getwinposx(typval_T *argvars, typval_T *rettv);
+static void f_getwinposy(typval_T *argvars, typval_T *rettv);
+static void f_getwinvar(typval_T *argvars, typval_T *rettv);
+static void f_glob(typval_T *argvars, typval_T *rettv);
+static void f_globpath(typval_T *argvars, typval_T *rettv);
+static void f_glob2regpat(typval_T *argvars, typval_T *rettv);
+static void f_has(typval_T *argvars, typval_T *rettv);
+static void f_has_key(typval_T *argvars, typval_T *rettv);
+static void f_haslocaldir(typval_T *argvars, typval_T *rettv);
+static void f_hasmapto(typval_T *argvars, typval_T *rettv);
+static void f_histadd(typval_T *argvars, typval_T *rettv);
+static void f_histdel(typval_T *argvars, typval_T *rettv);
+static void f_histget(typval_T *argvars, typval_T *rettv);
+static void f_histnr(typval_T *argvars, typval_T *rettv);
+static void f_hlID(typval_T *argvars, typval_T *rettv);
+static void f_hlexists(typval_T *argvars, typval_T *rettv);
+static void f_hostname(typval_T *argvars, typval_T *rettv);
+static void f_iconv(typval_T *argvars, typval_T *rettv);
+static void f_indent(typval_T *argvars, typval_T *rettv);
+static void f_index(typval_T *argvars, typval_T *rettv);
+static void f_input(typval_T *argvars, typval_T *rettv);
+static void f_inputdialog(typval_T *argvars, typval_T *rettv);
+static void f_inputlist(typval_T *argvars, typval_T *rettv);
+static void f_inputrestore(typval_T *argvars, typval_T *rettv);
+static void f_inputsave(typval_T *argvars, typval_T *rettv);
+static void f_inputsecret(typval_T *argvars, typval_T *rettv);
+static void f_insert(typval_T *argvars, typval_T *rettv);
+static void f_invert(typval_T *argvars, typval_T *rettv);
+static void f_isdirectory(typval_T *argvars, typval_T *rettv);
+static void f_islocked(typval_T *argvars, typval_T *rettv);
+#if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
+static void f_isnan(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_items(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_JOB_CHANNEL
+static void f_job_getchannel(typval_T *argvars, typval_T *rettv);
+static void f_job_info(typval_T *argvars, typval_T *rettv);
+static void f_job_setoptions(typval_T *argvars, typval_T *rettv);
+static void f_job_start(typval_T *argvars, typval_T *rettv);
+static void f_job_stop(typval_T *argvars, typval_T *rettv);
+static void f_job_status(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_join(typval_T *argvars, typval_T *rettv);
+static void f_js_decode(typval_T *argvars, typval_T *rettv);
+static void f_js_encode(typval_T *argvars, typval_T *rettv);
+static void f_json_decode(typval_T *argvars, typval_T *rettv);
+static void f_json_encode(typval_T *argvars, typval_T *rettv);
+static void f_keys(typval_T *argvars, typval_T *rettv);
+static void f_last_buffer_nr(typval_T *argvars, typval_T *rettv);
+static void f_len(typval_T *argvars, typval_T *rettv);
+static void f_libcall(typval_T *argvars, typval_T *rettv);
+static void f_libcallnr(typval_T *argvars, typval_T *rettv);
+static void f_line(typval_T *argvars, typval_T *rettv);
+static void f_line2byte(typval_T *argvars, typval_T *rettv);
+static void f_lispindent(typval_T *argvars, typval_T *rettv);
+static void f_localtime(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_log(typval_T *argvars, typval_T *rettv);
+static void f_log10(typval_T *argvars, typval_T *rettv);
+#endif
+#ifdef FEAT_LUA
+static void f_luaeval(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_map(typval_T *argvars, typval_T *rettv);
+static void f_maparg(typval_T *argvars, typval_T *rettv);
+static void f_mapcheck(typval_T *argvars, typval_T *rettv);
+static void f_match(typval_T *argvars, typval_T *rettv);
+static void f_matchadd(typval_T *argvars, typval_T *rettv);
+static void f_matchaddpos(typval_T *argvars, typval_T *rettv);
+static void f_matcharg(typval_T *argvars, typval_T *rettv);
+static void f_matchdelete(typval_T *argvars, typval_T *rettv);
+static void f_matchend(typval_T *argvars, typval_T *rettv);
+static void f_matchlist(typval_T *argvars, typval_T *rettv);
+static void f_matchstr(typval_T *argvars, typval_T *rettv);
+static void f_matchstrpos(typval_T *argvars, typval_T *rettv);
+static void f_max(typval_T *argvars, typval_T *rettv);
+static void f_min(typval_T *argvars, typval_T *rettv);
+#ifdef vim_mkdir
+static void f_mkdir(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_mode(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_MZSCHEME
+static void f_mzeval(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_nextnonblank(typval_T *argvars, typval_T *rettv);
+static void f_nr2char(typval_T *argvars, typval_T *rettv);
+static void f_or(typval_T *argvars, typval_T *rettv);
+static void f_pathshorten(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_PERL
+static void f_perleval(typval_T *argvars, typval_T *rettv);
+#endif
+#ifdef FEAT_FLOAT
+static void f_pow(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_prevnonblank(typval_T *argvars, typval_T *rettv);
+static void f_printf(typval_T *argvars, typval_T *rettv);
+static void f_pumvisible(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_PYTHON3
+static void f_py3eval(typval_T *argvars, typval_T *rettv);
+#endif
+#ifdef FEAT_PYTHON
+static void f_pyeval(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_range(typval_T *argvars, typval_T *rettv);
+static void f_readfile(typval_T *argvars, typval_T *rettv);
+static void f_reltime(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_reltimefloat(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_reltimestr(typval_T *argvars, typval_T *rettv);
+static void f_remote_expr(typval_T *argvars, typval_T *rettv);
+static void f_remote_foreground(typval_T *argvars, typval_T *rettv);
+static void f_remote_peek(typval_T *argvars, typval_T *rettv);
+static void f_remote_read(typval_T *argvars, typval_T *rettv);
+static void f_remote_send(typval_T *argvars, typval_T *rettv);
+static void f_remove(typval_T *argvars, typval_T *rettv);
+static void f_rename(typval_T *argvars, typval_T *rettv);
+static void f_repeat(typval_T *argvars, typval_T *rettv);
+static void f_resolve(typval_T *argvars, typval_T *rettv);
+static void f_reverse(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_round(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_screenattr(typval_T *argvars, typval_T *rettv);
+static void f_screenchar(typval_T *argvars, typval_T *rettv);
+static void f_screencol(typval_T *argvars, typval_T *rettv);
+static void f_screenrow(typval_T *argvars, typval_T *rettv);
+static void f_search(typval_T *argvars, typval_T *rettv);
+static void f_searchdecl(typval_T *argvars, typval_T *rettv);
+static void f_searchpair(typval_T *argvars, typval_T *rettv);
+static void f_searchpairpos(typval_T *argvars, typval_T *rettv);
+static void f_searchpos(typval_T *argvars, typval_T *rettv);
+static void f_server2client(typval_T *argvars, typval_T *rettv);
+static void f_serverlist(typval_T *argvars, typval_T *rettv);
+static void f_setbufvar(typval_T *argvars, typval_T *rettv);
+static void f_setcharsearch(typval_T *argvars, typval_T *rettv);
+static void f_setcmdpos(typval_T *argvars, typval_T *rettv);
+static void f_setfperm(typval_T *argvars, typval_T *rettv);
+static void f_setline(typval_T *argvars, typval_T *rettv);
+static void f_setloclist(typval_T *argvars, typval_T *rettv);
+static void f_setmatches(typval_T *argvars, typval_T *rettv);
+static void f_setpos(typval_T *argvars, typval_T *rettv);
+static void f_setqflist(typval_T *argvars, typval_T *rettv);
+static void f_setreg(typval_T *argvars, typval_T *rettv);
+static void f_settabvar(typval_T *argvars, typval_T *rettv);
+static void f_settabwinvar(typval_T *argvars, typval_T *rettv);
+static void f_setwinvar(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_CRYPT
+static void f_sha256(typval_T *argvars, typval_T *rettv);
+#endif /* FEAT_CRYPT */
+static void f_shellescape(typval_T *argvars, typval_T *rettv);
+static void f_shiftwidth(typval_T *argvars, typval_T *rettv);
+static void f_simplify(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_sin(typval_T *argvars, typval_T *rettv);
+static void f_sinh(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_sort(typval_T *argvars, typval_T *rettv);
+static void f_soundfold(typval_T *argvars, typval_T *rettv);
+static void f_spellbadword(typval_T *argvars, typval_T *rettv);
+static void f_spellsuggest(typval_T *argvars, typval_T *rettv);
+static void f_split(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_sqrt(typval_T *argvars, typval_T *rettv);
+static void f_str2float(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_str2nr(typval_T *argvars, typval_T *rettv);
+static void f_strchars(typval_T *argvars, typval_T *rettv);
+#ifdef HAVE_STRFTIME
+static void f_strftime(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_strgetchar(typval_T *argvars, typval_T *rettv);
+static void f_stridx(typval_T *argvars, typval_T *rettv);
+static void f_string(typval_T *argvars, typval_T *rettv);
+static void f_strlen(typval_T *argvars, typval_T *rettv);
+static void f_strcharpart(typval_T *argvars, typval_T *rettv);
+static void f_strpart(typval_T *argvars, typval_T *rettv);
+static void f_strridx(typval_T *argvars, typval_T *rettv);
+static void f_strtrans(typval_T *argvars, typval_T *rettv);
+static void f_strdisplaywidth(typval_T *argvars, typval_T *rettv);
+static void f_strwidth(typval_T *argvars, typval_T *rettv);
+static void f_submatch(typval_T *argvars, typval_T *rettv);
+static void f_substitute(typval_T *argvars, typval_T *rettv);
+static void f_synID(typval_T *argvars, typval_T *rettv);
+static void f_synIDattr(typval_T *argvars, typval_T *rettv);
+static void f_synIDtrans(typval_T *argvars, typval_T *rettv);
+static void f_synstack(typval_T *argvars, typval_T *rettv);
+static void f_synconcealed(typval_T *argvars, typval_T *rettv);
+static void f_system(typval_T *argvars, typval_T *rettv);
+static void f_systemlist(typval_T *argvars, typval_T *rettv);
+static void f_tabpagebuflist(typval_T *argvars, typval_T *rettv);
+static void f_tabpagenr(typval_T *argvars, typval_T *rettv);
+static void f_tabpagewinnr(typval_T *argvars, typval_T *rettv);
+static void f_taglist(typval_T *argvars, typval_T *rettv);
+static void f_tagfiles(typval_T *argvars, typval_T *rettv);
+static void f_tempname(typval_T *argvars, typval_T *rettv);
+static void f_test_alloc_fail(typval_T *argvars, typval_T *rettv);
+static void f_test_autochdir(typval_T *argvars, typval_T *rettv);
+static void f_test_disable_char_avail(typval_T *argvars, typval_T *rettv);
+static void f_test_garbagecollect_now(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_JOB_CHANNEL
+static void f_test_null_channel(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_test_null_dict(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_JOB_CHANNEL
+static void f_test_null_job(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_test_null_list(typval_T *argvars, typval_T *rettv);
+static void f_test_null_partial(typval_T *argvars, typval_T *rettv);
+static void f_test_null_string(typval_T *argvars, typval_T *rettv);
+static void f_test_settime(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_tan(typval_T *argvars, typval_T *rettv);
+static void f_tanh(typval_T *argvars, typval_T *rettv);
+#endif
+#ifdef FEAT_TIMERS
+static void f_timer_start(typval_T *argvars, typval_T *rettv);
+static void f_timer_stop(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_tolower(typval_T *argvars, typval_T *rettv);
+static void f_toupper(typval_T *argvars, typval_T *rettv);
+static void f_tr(typval_T *argvars, typval_T *rettv);
+#ifdef FEAT_FLOAT
+static void f_trunc(typval_T *argvars, typval_T *rettv);
+#endif
+static void f_type(typval_T *argvars, typval_T *rettv);
+static void f_undofile(typval_T *argvars, typval_T *rettv);
+static void f_undotree(typval_T *argvars, typval_T *rettv);
+static void f_uniq(typval_T *argvars, typval_T *rettv);
+static void f_values(typval_T *argvars, typval_T *rettv);
+static void f_virtcol(typval_T *argvars, typval_T *rettv);
+static void f_visualmode(typval_T *argvars, typval_T *rettv);
+static void f_wildmenumode(typval_T *argvars, typval_T *rettv);
+static void f_win_findbuf(typval_T *argvars, typval_T *rettv);
+static void f_win_getid(typval_T *argvars, typval_T *rettv);
+static void f_win_gotoid(typval_T *argvars, typval_T *rettv);
+static void f_win_id2tabwin(typval_T *argvars, typval_T *rettv);
+static void f_win_id2win(typval_T *argvars, typval_T *rettv);
+static void f_winbufnr(typval_T *argvars, typval_T *rettv);
+static void f_wincol(typval_T *argvars, typval_T *rettv);
+static void f_winheight(typval_T *argvars, typval_T *rettv);
+static void f_winline(typval_T *argvars, typval_T *rettv);
+static void f_winnr(typval_T *argvars, typval_T *rettv);
+static void f_winrestcmd(typval_T *argvars, typval_T *rettv);
+static void f_winrestview(typval_T *argvars, typval_T *rettv);
+static void f_winsaveview(typval_T *argvars, typval_T *rettv);
+static void f_winwidth(typval_T *argvars, typval_T *rettv);
+static void f_writefile(typval_T *argvars, typval_T *rettv);
+static void f_wordcount(typval_T *argvars, typval_T *rettv);
+static void f_xor(typval_T *argvars, typval_T *rettv);
+
+/*
+ * Array with names and number of arguments of all internal functions
+ * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
+ */
+static struct fst
+{
+    char	*f_name;	/* function name */
+    char	f_min_argc;	/* minimal number of arguments */
+    char	f_max_argc;	/* maximal number of arguments */
+    void	(*f_func)(typval_T *args, typval_T *rvar);
+				/* implementation of function */
+} functions[] =
+{
+#ifdef FEAT_FLOAT
+    {"abs",		1, 1, f_abs},
+    {"acos",		1, 1, f_acos},	/* WJMc */
+#endif
+    {"add",		2, 2, f_add},
+    {"and",		2, 2, f_and},
+    {"append",		2, 2, f_append},
+    {"argc",		0, 0, f_argc},
+    {"argidx",		0, 0, f_argidx},
+    {"arglistid",	0, 2, f_arglistid},
+    {"argv",		0, 1, f_argv},
+#ifdef FEAT_FLOAT
+    {"asin",		1, 1, f_asin},	/* WJMc */
+#endif
+    {"assert_equal",	2, 3, f_assert_equal},
+    {"assert_exception", 1, 2, f_assert_exception},
+    {"assert_fails",	1, 2, f_assert_fails},
+    {"assert_false",	1, 2, f_assert_false},
+    {"assert_match",	2, 3, f_assert_match},
+    {"assert_notequal",	2, 3, f_assert_notequal},
+    {"assert_notmatch",	2, 3, f_assert_notmatch},
+    {"assert_true",	1, 2, f_assert_true},
+#ifdef FEAT_FLOAT
+    {"atan",		1, 1, f_atan},
+    {"atan2",		2, 2, f_atan2},
+#endif
+    {"browse",		4, 4, f_browse},
+    {"browsedir",	2, 2, f_browsedir},
+    {"bufexists",	1, 1, f_bufexists},
+    {"buffer_exists",	1, 1, f_bufexists},	/* obsolete */
+    {"buffer_name",	1, 1, f_bufname},	/* obsolete */
+    {"buffer_number",	1, 1, f_bufnr},		/* obsolete */
+    {"buflisted",	1, 1, f_buflisted},
+    {"bufloaded",	1, 1, f_bufloaded},
+    {"bufname",		1, 1, f_bufname},
+    {"bufnr",		1, 2, f_bufnr},
+    {"bufwinid",	1, 1, f_bufwinid},
+    {"bufwinnr",	1, 1, f_bufwinnr},
+    {"byte2line",	1, 1, f_byte2line},
+    {"byteidx",		2, 2, f_byteidx},
+    {"byteidxcomp",	2, 2, f_byteidxcomp},
+    {"call",		2, 3, f_call},
+#ifdef FEAT_FLOAT
+    {"ceil",		1, 1, f_ceil},
+#endif
+#ifdef FEAT_JOB_CHANNEL
+    {"ch_close",	1, 1, f_ch_close},
+    {"ch_evalexpr",	2, 3, f_ch_evalexpr},
+    {"ch_evalraw",	2, 3, f_ch_evalraw},
+    {"ch_getbufnr",	2, 2, f_ch_getbufnr},
+    {"ch_getjob",	1, 1, f_ch_getjob},
+    {"ch_info",		1, 1, f_ch_info},
+    {"ch_log",		1, 2, f_ch_log},
+    {"ch_logfile",	1, 2, f_ch_logfile},
+    {"ch_open",		1, 2, f_ch_open},
+    {"ch_read",		1, 2, f_ch_read},
+    {"ch_readraw",	1, 2, f_ch_readraw},
+    {"ch_sendexpr",	2, 3, f_ch_sendexpr},
+    {"ch_sendraw",	2, 3, f_ch_sendraw},
+    {"ch_setoptions",	2, 2, f_ch_setoptions},
+    {"ch_status",	1, 1, f_ch_status},
+#endif
+    {"changenr",	0, 0, f_changenr},
+    {"char2nr",		1, 2, f_char2nr},
+    {"cindent",		1, 1, f_cindent},
+    {"clearmatches",	0, 0, f_clearmatches},
+    {"col",		1, 1, f_col},
+#if defined(FEAT_INS_EXPAND)
+    {"complete",	2, 2, f_complete},
+    {"complete_add",	1, 1, f_complete_add},
+    {"complete_check",	0, 0, f_complete_check},
+#endif
+    {"confirm",		1, 4, f_confirm},
+    {"copy",		1, 1, f_copy},
+#ifdef FEAT_FLOAT
+    {"cos",		1, 1, f_cos},
+    {"cosh",		1, 1, f_cosh},
+#endif
+    {"count",		2, 4, f_count},
+    {"cscope_connection",0,3, f_cscope_connection},
+    {"cursor",		1, 3, f_cursor},
+    {"deepcopy",	1, 2, f_deepcopy},
+    {"delete",		1, 2, f_delete},
+    {"did_filetype",	0, 0, f_did_filetype},
+    {"diff_filler",	1, 1, f_diff_filler},
+    {"diff_hlID",	2, 2, f_diff_hlID},
+    {"empty",		1, 1, f_empty},
+    {"escape",		2, 2, f_escape},
+    {"eval",		1, 1, f_eval},
+    {"eventhandler",	0, 0, f_eventhandler},
+    {"executable",	1, 1, f_executable},
+    {"execute",		1, 2, f_execute},
+    {"exepath",		1, 1, f_exepath},
+    {"exists",		1, 1, f_exists},
+#ifdef FEAT_FLOAT
+    {"exp",		1, 1, f_exp},
+#endif
+    {"expand",		1, 3, f_expand},
+    {"extend",		2, 3, f_extend},
+    {"feedkeys",	1, 2, f_feedkeys},
+    {"file_readable",	1, 1, f_filereadable},	/* obsolete */
+    {"filereadable",	1, 1, f_filereadable},
+    {"filewritable",	1, 1, f_filewritable},
+    {"filter",		2, 2, f_filter},
+    {"finddir",		1, 3, f_finddir},
+    {"findfile",	1, 3, f_findfile},
+#ifdef FEAT_FLOAT
+    {"float2nr",	1, 1, f_float2nr},
+    {"floor",		1, 1, f_floor},
+    {"fmod",		2, 2, f_fmod},
+#endif
+    {"fnameescape",	1, 1, f_fnameescape},
+    {"fnamemodify",	2, 2, f_fnamemodify},
+    {"foldclosed",	1, 1, f_foldclosed},
+    {"foldclosedend",	1, 1, f_foldclosedend},
+    {"foldlevel",	1, 1, f_foldlevel},
+    {"foldtext",	0, 0, f_foldtext},
+    {"foldtextresult",	1, 1, f_foldtextresult},
+    {"foreground",	0, 0, f_foreground},
+    {"function",	1, 3, f_function},
+    {"garbagecollect",	0, 1, f_garbagecollect},
+    {"get",		2, 3, f_get},
+    {"getbufline",	2, 3, f_getbufline},
+    {"getbufvar",	2, 3, f_getbufvar},
+    {"getchar",		0, 1, f_getchar},
+    {"getcharmod",	0, 0, f_getcharmod},
+    {"getcharsearch",	0, 0, f_getcharsearch},
+    {"getcmdline",	0, 0, f_getcmdline},
+    {"getcmdpos",	0, 0, f_getcmdpos},
+    {"getcmdtype",	0, 0, f_getcmdtype},
+    {"getcmdwintype",	0, 0, f_getcmdwintype},
+#if defined(FEAT_CMDL_COMPL)
+    {"getcompletion",	2, 2, f_getcompletion},
+#endif
+    {"getcurpos",	0, 0, f_getcurpos},
+    {"getcwd",		0, 2, f_getcwd},
+    {"getfontname",	0, 1, f_getfontname},
+    {"getfperm",	1, 1, f_getfperm},
+    {"getfsize",	1, 1, f_getfsize},
+    {"getftime",	1, 1, f_getftime},
+    {"getftype",	1, 1, f_getftype},
+    {"getline",		1, 2, f_getline},
+    {"getloclist",	1, 1, f_getqflist},
+    {"getmatches",	0, 0, f_getmatches},
+    {"getpid",		0, 0, f_getpid},
+    {"getpos",		1, 1, f_getpos},
+    {"getqflist",	0, 0, f_getqflist},
+    {"getreg",		0, 3, f_getreg},
+    {"getregtype",	0, 1, f_getregtype},
+    {"gettabvar",	2, 3, f_gettabvar},
+    {"gettabwinvar",	3, 4, f_gettabwinvar},
+    {"getwinposx",	0, 0, f_getwinposx},
+    {"getwinposy",	0, 0, f_getwinposy},
+    {"getwinvar",	2, 3, f_getwinvar},
+    {"glob",		1, 4, f_glob},
+    {"glob2regpat",	1, 1, f_glob2regpat},
+    {"globpath",	2, 5, f_globpath},
+    {"has",		1, 1, f_has},
+    {"has_key",		2, 2, f_has_key},
+    {"haslocaldir",	0, 2, f_haslocaldir},
+    {"hasmapto",	1, 3, f_hasmapto},
+    {"highlightID",	1, 1, f_hlID},		/* obsolete */
+    {"highlight_exists",1, 1, f_hlexists},	/* obsolete */
+    {"histadd",		2, 2, f_histadd},
+    {"histdel",		1, 2, f_histdel},
+    {"histget",		1, 2, f_histget},
+    {"histnr",		1, 1, f_histnr},
+    {"hlID",		1, 1, f_hlID},
+    {"hlexists",	1, 1, f_hlexists},
+    {"hostname",	0, 0, f_hostname},
+    {"iconv",		3, 3, f_iconv},
+    {"indent",		1, 1, f_indent},
+    {"index",		2, 4, f_index},
+    {"input",		1, 3, f_input},
+    {"inputdialog",	1, 3, f_inputdialog},
+    {"inputlist",	1, 1, f_inputlist},
+    {"inputrestore",	0, 0, f_inputrestore},
+    {"inputsave",	0, 0, f_inputsave},
+    {"inputsecret",	1, 2, f_inputsecret},
+    {"insert",		2, 3, f_insert},
+    {"invert",		1, 1, f_invert},
+    {"isdirectory",	1, 1, f_isdirectory},
+    {"islocked",	1, 1, f_islocked},
+#if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
+    {"isnan",		1, 1, f_isnan},
+#endif
+    {"items",		1, 1, f_items},
+#ifdef FEAT_JOB_CHANNEL
+    {"job_getchannel",	1, 1, f_job_getchannel},
+    {"job_info",	1, 1, f_job_info},
+    {"job_setoptions",	2, 2, f_job_setoptions},
+    {"job_start",	1, 2, f_job_start},
+    {"job_status",	1, 1, f_job_status},
+    {"job_stop",	1, 2, f_job_stop},
+#endif
+    {"join",		1, 2, f_join},
+    {"js_decode",	1, 1, f_js_decode},
+    {"js_encode",	1, 1, f_js_encode},
+    {"json_decode",	1, 1, f_json_decode},
+    {"json_encode",	1, 1, f_json_encode},
+    {"keys",		1, 1, f_keys},
+    {"last_buffer_nr",	0, 0, f_last_buffer_nr},/* obsolete */
+    {"len",		1, 1, f_len},
+    {"libcall",		3, 3, f_libcall},
+    {"libcallnr",	3, 3, f_libcallnr},
+    {"line",		1, 1, f_line},
+    {"line2byte",	1, 1, f_line2byte},
+    {"lispindent",	1, 1, f_lispindent},
+    {"localtime",	0, 0, f_localtime},
+#ifdef FEAT_FLOAT
+    {"log",		1, 1, f_log},
+    {"log10",		1, 1, f_log10},
+#endif
+#ifdef FEAT_LUA
+    {"luaeval",		1, 2, f_luaeval},
+#endif
+    {"map",		2, 2, f_map},
+    {"maparg",		1, 4, f_maparg},
+    {"mapcheck",	1, 3, f_mapcheck},
+    {"match",		2, 4, f_match},
+    {"matchadd",	2, 5, f_matchadd},
+    {"matchaddpos",	2, 5, f_matchaddpos},
+    {"matcharg",	1, 1, f_matcharg},
+    {"matchdelete",	1, 1, f_matchdelete},
+    {"matchend",	2, 4, f_matchend},
+    {"matchlist",	2, 4, f_matchlist},
+    {"matchstr",	2, 4, f_matchstr},
+    {"matchstrpos",	2, 4, f_matchstrpos},
+    {"max",		1, 1, f_max},
+    {"min",		1, 1, f_min},
+#ifdef vim_mkdir
+    {"mkdir",		1, 3, f_mkdir},
+#endif
+    {"mode",		0, 1, f_mode},
+#ifdef FEAT_MZSCHEME
+    {"mzeval",		1, 1, f_mzeval},
+#endif
+    {"nextnonblank",	1, 1, f_nextnonblank},
+    {"nr2char",		1, 2, f_nr2char},
+    {"or",		2, 2, f_or},
+    {"pathshorten",	1, 1, f_pathshorten},
+#ifdef FEAT_PERL
+    {"perleval",	1, 1, f_perleval},
+#endif
+#ifdef FEAT_FLOAT
+    {"pow",		2, 2, f_pow},
+#endif
+    {"prevnonblank",	1, 1, f_prevnonblank},
+    {"printf",		2, 19, f_printf},
+    {"pumvisible",	0, 0, f_pumvisible},
+#ifdef FEAT_PYTHON3
+    {"py3eval",		1, 1, f_py3eval},
+#endif
+#ifdef FEAT_PYTHON
+    {"pyeval",		1, 1, f_pyeval},
+#endif
+    {"range",		1, 3, f_range},
+    {"readfile",	1, 3, f_readfile},
+    {"reltime",		0, 2, f_reltime},
+#ifdef FEAT_FLOAT
+    {"reltimefloat",	1, 1, f_reltimefloat},
+#endif
+    {"reltimestr",	1, 1, f_reltimestr},
+    {"remote_expr",	2, 3, f_remote_expr},
+    {"remote_foreground", 1, 1, f_remote_foreground},
+    {"remote_peek",	1, 2, f_remote_peek},
+    {"remote_read",	1, 1, f_remote_read},
+    {"remote_send",	2, 3, f_remote_send},
+    {"remove",		2, 3, f_remove},
+    {"rename",		2, 2, f_rename},
+    {"repeat",		2, 2, f_repeat},
+    {"resolve",		1, 1, f_resolve},
+    {"reverse",		1, 1, f_reverse},
+#ifdef FEAT_FLOAT
+    {"round",		1, 1, f_round},
+#endif
+    {"screenattr",	2, 2, f_screenattr},
+    {"screenchar",	2, 2, f_screenchar},
+    {"screencol",	0, 0, f_screencol},
+    {"screenrow",	0, 0, f_screenrow},
+    {"search",		1, 4, f_search},
+    {"searchdecl",	1, 3, f_searchdecl},
+    {"searchpair",	3, 7, f_searchpair},
+    {"searchpairpos",	3, 7, f_searchpairpos},
+    {"searchpos",	1, 4, f_searchpos},
+    {"server2client",	2, 2, f_server2client},
+    {"serverlist",	0, 0, f_serverlist},
+    {"setbufvar",	3, 3, f_setbufvar},
+    {"setcharsearch",	1, 1, f_setcharsearch},
+    {"setcmdpos",	1, 1, f_setcmdpos},
+    {"setfperm",	2, 2, f_setfperm},
+    {"setline",		2, 2, f_setline},
+    {"setloclist",	2, 3, f_setloclist},
+    {"setmatches",	1, 1, f_setmatches},
+    {"setpos",		2, 2, f_setpos},
+    {"setqflist",	1, 2, f_setqflist},
+    {"setreg",		2, 3, f_setreg},
+    {"settabvar",	3, 3, f_settabvar},
+    {"settabwinvar",	4, 4, f_settabwinvar},
+    {"setwinvar",	3, 3, f_setwinvar},
+#ifdef FEAT_CRYPT
+    {"sha256",		1, 1, f_sha256},
+#endif
+    {"shellescape",	1, 2, f_shellescape},
+    {"shiftwidth",	0, 0, f_shiftwidth},
+    {"simplify",	1, 1, f_simplify},
+#ifdef FEAT_FLOAT
+    {"sin",		1, 1, f_sin},
+    {"sinh",		1, 1, f_sinh},
+#endif
+    {"sort",		1, 3, f_sort},
+    {"soundfold",	1, 1, f_soundfold},
+    {"spellbadword",	0, 1, f_spellbadword},
+    {"spellsuggest",	1, 3, f_spellsuggest},
+    {"split",		1, 3, f_split},
+#ifdef FEAT_FLOAT
+    {"sqrt",		1, 1, f_sqrt},
+    {"str2float",	1, 1, f_str2float},
+#endif
+    {"str2nr",		1, 2, f_str2nr},
+    {"strcharpart",	2, 3, f_strcharpart},
+    {"strchars",	1, 2, f_strchars},
+    {"strdisplaywidth",	1, 2, f_strdisplaywidth},
+#ifdef HAVE_STRFTIME
+    {"strftime",	1, 2, f_strftime},
+#endif
+    {"strgetchar",	2, 2, f_strgetchar},
+    {"stridx",		2, 3, f_stridx},
+    {"string",		1, 1, f_string},
+    {"strlen",		1, 1, f_strlen},
+    {"strpart",		2, 3, f_strpart},
+    {"strridx",		2, 3, f_strridx},
+    {"strtrans",	1, 1, f_strtrans},
+    {"strwidth",	1, 1, f_strwidth},
+    {"submatch",	1, 2, f_submatch},
+    {"substitute",	4, 4, f_substitute},
+    {"synID",		3, 3, f_synID},
+    {"synIDattr",	2, 3, f_synIDattr},
+    {"synIDtrans",	1, 1, f_synIDtrans},
+    {"synconcealed",	2, 2, f_synconcealed},
+    {"synstack",	2, 2, f_synstack},
+    {"system",		1, 2, f_system},
+    {"systemlist",	1, 2, f_systemlist},
+    {"tabpagebuflist",	0, 1, f_tabpagebuflist},
+    {"tabpagenr",	0, 1, f_tabpagenr},
+    {"tabpagewinnr",	1, 2, f_tabpagewinnr},
+    {"tagfiles",	0, 0, f_tagfiles},
+    {"taglist",		1, 1, f_taglist},
+#ifdef FEAT_FLOAT
+    {"tan",		1, 1, f_tan},
+    {"tanh",		1, 1, f_tanh},
+#endif
+    {"tempname",	0, 0, f_tempname},
+    {"test_alloc_fail",	3, 3, f_test_alloc_fail},
+    {"test_autochdir",	0, 0, f_test_autochdir},
+    {"test_disable_char_avail", 1, 1, f_test_disable_char_avail},
+    {"test_garbagecollect_now",	0, 0, f_test_garbagecollect_now},
+#ifdef FEAT_JOB_CHANNEL
+    {"test_null_channel", 0, 0, f_test_null_channel},
+#endif
+    {"test_null_dict",	0, 0, f_test_null_dict},
+#ifdef FEAT_JOB_CHANNEL
+    {"test_null_job",	0, 0, f_test_null_job},
+#endif
+    {"test_null_list",	0, 0, f_test_null_list},
+    {"test_null_partial", 0, 0, f_test_null_partial},
+    {"test_null_string", 0, 0, f_test_null_string},
+    {"test_settime",	1, 1, f_test_settime},
+#ifdef FEAT_TIMERS
+    {"timer_start",	2, 3, f_timer_start},
+    {"timer_stop",	1, 1, f_timer_stop},
+#endif
+    {"tolower",		1, 1, f_tolower},
+    {"toupper",		1, 1, f_toupper},
+    {"tr",		3, 3, f_tr},
+#ifdef FEAT_FLOAT
+    {"trunc",		1, 1, f_trunc},
+#endif
+    {"type",		1, 1, f_type},
+    {"undofile",	1, 1, f_undofile},
+    {"undotree",	0, 0, f_undotree},
+    {"uniq",		1, 3, f_uniq},
+    {"values",		1, 1, f_values},
+    {"virtcol",		1, 1, f_virtcol},
+    {"visualmode",	0, 1, f_visualmode},
+    {"wildmenumode",	0, 0, f_wildmenumode},
+    {"win_findbuf",	1, 1, f_win_findbuf},
+    {"win_getid",	0, 2, f_win_getid},
+    {"win_gotoid",	1, 1, f_win_gotoid},
+    {"win_id2tabwin",	1, 1, f_win_id2tabwin},
+    {"win_id2win",	1, 1, f_win_id2win},
+    {"winbufnr",	1, 1, f_winbufnr},
+    {"wincol",		0, 0, f_wincol},
+    {"winheight",	1, 1, f_winheight},
+    {"winline",		0, 0, f_winline},
+    {"winnr",		0, 1, f_winnr},
+    {"winrestcmd",	0, 0, f_winrestcmd},
+    {"winrestview",	1, 1, f_winrestview},
+    {"winsaveview",	0, 0, f_winsaveview},
+    {"winwidth",	1, 1, f_winwidth},
+    {"wordcount",	0, 0, f_wordcount},
+    {"writefile",	2, 3, f_writefile},
+    {"xor",		2, 2, f_xor},
+};
+
+#if defined(FEAT_CMDL_COMPL) || defined(PROTO)
+
+/*
+ * Function given to ExpandGeneric() to obtain the list of internal
+ * or user defined function names.
+ */
+    char_u *
+get_function_name(expand_T *xp, int idx)
+{
+    static int	intidx = -1;
+    char_u	*name;
+
+    if (idx == 0)
+	intidx = -1;
+    if (intidx < 0)
+    {
+	name = get_user_func_name(xp, idx);
+	if (name != NULL)
+	    return name;
+    }
+    if (++intidx < (int)(sizeof(functions) / sizeof(struct fst)))
+    {
+	STRCPY(IObuff, functions[intidx].f_name);
+	STRCAT(IObuff, "(");
+	if (functions[intidx].f_max_argc == 0)
+	    STRCAT(IObuff, ")");
+	return IObuff;
+    }
+
+    return NULL;
+}
+
+/*
+ * Function given to ExpandGeneric() to obtain the list of internal or
+ * user defined variable or function names.
+ */
+    char_u *
+get_expr_name(expand_T *xp, int idx)
+{
+    static int	intidx = -1;
+    char_u	*name;
+
+    if (idx == 0)
+	intidx = -1;
+    if (intidx < 0)
+    {
+	name = get_function_name(xp, idx);
+	if (name != NULL)
+	    return name;
+    }
+    return get_user_var_name(xp, ++intidx);
+}
+
+#endif /* FEAT_CMDL_COMPL */
+
+#if defined(EBCDIC) || defined(PROTO)
+/*
+ * Compare struct fst by function name.
+ */
+    static int
+compare_func_name(const void *s1, const void *s2)
+{
+    struct fst *p1 = (struct fst *)s1;
+    struct fst *p2 = (struct fst *)s2;
+
+    return STRCMP(p1->f_name, p2->f_name);
+}
+
+/*
+ * Sort the function table by function name.
+ * The sorting of the table above is ASCII dependant.
+ * On machines using EBCDIC we have to sort it.
+ */
+    static void
+sortFunctions(void)
+{
+    int		funcCnt = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
+
+    qsort(functions, (size_t)funcCnt, sizeof(struct fst), compare_func_name);
+}
+#endif
+
+
+/*
+ * Find internal function in table above.
+ * Return index, or -1 if not found
+ */
+    int
+find_internal_func(
+    char_u	*name)		/* name of the function */
+{
+    int		first = 0;
+    int		last = (int)(sizeof(functions) / sizeof(struct fst)) - 1;
+    int		cmp;
+    int		x;
+
+    /*
+     * Find the function name in the table. Binary search.
+     */
+    while (first <= last)
+    {
+	x = first + ((unsigned)(last - first) >> 1);
+	cmp = STRCMP(name, functions[x].f_name);
+	if (cmp < 0)
+	    last = x - 1;
+	else if (cmp > 0)
+	    first = x + 1;
+	else
+	    return x;
+    }
+    return -1;
+}
+
+    int
+call_internal_func(
+	char_u	    *name,
+	int	    argcount,
+	typval_T    *argvars,
+	typval_T    *rettv)
+{
+    int i;
+
+    i = find_internal_func(name);
+    if (i < 0)
+	return ERROR_UNKNOWN;
+    if (argcount < functions[i].f_min_argc)
+	return ERROR_TOOFEW;
+    if (argcount > functions[i].f_max_argc)
+	return ERROR_TOOMANY;
+    argvars[argcount].v_type = VAR_UNKNOWN;
+    functions[i].f_func(argvars, rettv);
+    return ERROR_NONE;
+}
+
+/*
+ * Return TRUE for a non-zero Number and a non-empty String.
+ */
+    static int
+non_zero_arg(typval_T *argvars)
+{
+    return ((argvars[0].v_type == VAR_NUMBER
+		&& argvars[0].vval.v_number != 0)
+	    || (argvars[0].v_type == VAR_SPECIAL
+		&& argvars[0].vval.v_number == VVAL_TRUE)
+	    || (argvars[0].v_type == VAR_STRING
+		&& argvars[0].vval.v_string != NULL
+		&& *argvars[0].vval.v_string != NUL));
+}
+
+/*
+ * Get the lnum from the first argument.
+ * Also accepts ".", "$", etc., but that only works for the current buffer.
+ * Returns -1 on error.
+ */
+    static linenr_T
+get_tv_lnum(typval_T *argvars)
+{
+    typval_T	rettv;
+    linenr_T	lnum;
+
+    lnum = (linenr_T)get_tv_number_chk(&argvars[0], NULL);
+    if (lnum == 0)  /* no valid number, try using line() */
+    {
+	rettv.v_type = VAR_NUMBER;
+	f_line(argvars, &rettv);
+	lnum = (linenr_T)rettv.vval.v_number;
+	clear_tv(&rettv);
+    }
+    return lnum;
+}
+
+#ifdef FEAT_FLOAT
+static int get_float_arg(typval_T *argvars, float_T *f);
+
+/*
+ * Get the float value of "argvars[0]" into "f".
+ * Returns FAIL when the argument is not a Number or Float.
+ */
+    static int
+get_float_arg(typval_T *argvars, float_T *f)
+{
+    if (argvars[0].v_type == VAR_FLOAT)
+    {
+	*f = argvars[0].vval.v_float;
+	return OK;
+    }
+    if (argvars[0].v_type == VAR_NUMBER)
+    {
+	*f = (float_T)argvars[0].vval.v_number;
+	return OK;
+    }
+    EMSG(_("E808: Number or Float required"));
+    return FAIL;
+}
+
+/*
+ * "abs(expr)" function
+ */
+    static void
+f_abs(typval_T *argvars, typval_T *rettv)
+{
+    if (argvars[0].v_type == VAR_FLOAT)
+    {
+	rettv->v_type = VAR_FLOAT;
+	rettv->vval.v_float = fabs(argvars[0].vval.v_float);
+    }
+    else
+    {
+	varnumber_T	n;
+	int		error = FALSE;
+
+	n = get_tv_number_chk(&argvars[0], &error);
+	if (error)
+	    rettv->vval.v_number = -1;
+	else if (n > 0)
+	    rettv->vval.v_number = n;
+	else
+	    rettv->vval.v_number = -n;
+    }
+}
+
+/*
+ * "acos()" function
+ */
+    static void
+f_acos(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = acos(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "add(list, item)" function
+ */
+    static void
+f_add(typval_T *argvars, typval_T *rettv)
+{
+    list_T	*l;
+
+    rettv->vval.v_number = 1; /* Default: Failed */
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	if ((l = argvars[0].vval.v_list) != NULL
+		&& !tv_check_lock(l->lv_lock,
+					 (char_u *)N_("add() argument"), TRUE)
+		&& list_append_tv(l, &argvars[1]) == OK)
+	    copy_tv(&argvars[0], rettv);
+    }
+    else
+	EMSG(_(e_listreq));
+}
+
+/*
+ * "and(expr, expr)" function
+ */
+    static void
+f_and(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
+					& get_tv_number_chk(&argvars[1], NULL);
+}
+
+/*
+ * "append(lnum, string/list)" function
+ */
+    static void
+f_append(typval_T *argvars, typval_T *rettv)
+{
+    long	lnum;
+    char_u	*line;
+    list_T	*l = NULL;
+    listitem_T	*li = NULL;
+    typval_T	*tv;
+    long	added = 0;
+
+    /* When coming here from Insert mode, sync undo, so that this can be
+     * undone separately from what was previously inserted. */
+    if (u_sync_once == 2)
+    {
+	u_sync_once = 1; /* notify that u_sync() was called */
+	u_sync(TRUE);
+    }
+
+    lnum = get_tv_lnum(argvars);
+    if (lnum >= 0
+	    && lnum <= curbuf->b_ml.ml_line_count
+	    && u_save(lnum, lnum + 1) == OK)
+    {
+	if (argvars[1].v_type == VAR_LIST)
+	{
+	    l = argvars[1].vval.v_list;
+	    if (l == NULL)
+		return;
+	    li = l->lv_first;
+	}
+	for (;;)
+	{
+	    if (l == NULL)
+		tv = &argvars[1];	/* append a string */
+	    else if (li == NULL)
+		break;			/* end of list */
+	    else
+		tv = &li->li_tv;	/* append item from list */
+	    line = get_tv_string_chk(tv);
+	    if (line == NULL)		/* type error */
+	    {
+		rettv->vval.v_number = 1;	/* Failed */
+		break;
+	    }
+	    ml_append(lnum + added, line, (colnr_T)0, FALSE);
+	    ++added;
+	    if (l == NULL)
+		break;
+	    li = li->li_next;
+	}
+
+	appended_lines_mark(lnum, added);
+	if (curwin->w_cursor.lnum > lnum)
+	    curwin->w_cursor.lnum += added;
+    }
+    else
+	rettv->vval.v_number = 1;	/* Failed */
+}
+
+/*
+ * "argc()" function
+ */
+    static void
+f_argc(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = ARGCOUNT;
+}
+
+/*
+ * "argidx()" function
+ */
+    static void
+f_argidx(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = curwin->w_arg_idx;
+}
+
+/*
+ * "arglistid()" function
+ */
+    static void
+f_arglistid(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*wp;
+
+    rettv->vval.v_number = -1;
+    wp = find_tabwin(&argvars[0], &argvars[1]);
+    if (wp != NULL)
+	rettv->vval.v_number = wp->w_alist->id;
+}
+
+/*
+ * "argv(nr)" function
+ */
+    static void
+f_argv(typval_T *argvars, typval_T *rettv)
+{
+    int		idx;
+
+    if (argvars[0].v_type != VAR_UNKNOWN)
+    {
+	idx = (int)get_tv_number_chk(&argvars[0], NULL);
+	if (idx >= 0 && idx < ARGCOUNT)
+	    rettv->vval.v_string = vim_strsave(alist_name(&ARGLIST[idx]));
+	else
+	    rettv->vval.v_string = NULL;
+	rettv->v_type = VAR_STRING;
+    }
+    else if (rettv_list_alloc(rettv) == OK)
+	for (idx = 0; idx < ARGCOUNT; ++idx)
+	    list_append_string(rettv->vval.v_list,
+					       alist_name(&ARGLIST[idx]), -1);
+}
+
+/*
+ * "assert_equal(expected, actual[, msg])" function
+ */
+    static void
+f_assert_equal(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_equal_common(argvars, ASSERT_EQUAL);
+}
+
+/*
+ * "assert_notequal(expected, actual[, msg])" function
+ */
+    static void
+f_assert_notequal(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_equal_common(argvars, ASSERT_NOTEQUAL);
+}
+
+/*
+ * "assert_exception(string[, msg])" function
+ */
+    static void
+f_assert_exception(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_exception(argvars);
+}
+
+/*
+ * "assert_fails(cmd [, error])" function
+ */
+    static void
+f_assert_fails(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_fails(argvars);
+}
+
+/*
+ * "assert_false(actual[, msg])" function
+ */
+    static void
+f_assert_false(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_bool(argvars, FALSE);
+}
+
+/*
+ * "assert_match(pattern, actual[, msg])" function
+ */
+    static void
+f_assert_match(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_match_common(argvars, ASSERT_MATCH);
+}
+
+/*
+ * "assert_notmatch(pattern, actual[, msg])" function
+ */
+    static void
+f_assert_notmatch(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_match_common(argvars, ASSERT_NOTMATCH);
+}
+
+/*
+ * "assert_true(actual[, msg])" function
+ */
+    static void
+f_assert_true(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    assert_bool(argvars, TRUE);
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "asin()" function
+ */
+    static void
+f_asin(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = asin(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "atan()" function
+ */
+    static void
+f_atan(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = atan(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "atan2()" function
+ */
+    static void
+f_atan2(typval_T *argvars, typval_T *rettv)
+{
+    float_T	fx = 0.0, fy = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &fx) == OK
+				     && get_float_arg(&argvars[1], &fy) == OK)
+	rettv->vval.v_float = atan2(fx, fy);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "browse(save, title, initdir, default)" function
+ */
+    static void
+f_browse(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_BROWSE
+    int		save;
+    char_u	*title;
+    char_u	*initdir;
+    char_u	*defname;
+    char_u	buf[NUMBUFLEN];
+    char_u	buf2[NUMBUFLEN];
+    int		error = FALSE;
+
+    save = (int)get_tv_number_chk(&argvars[0], &error);
+    title = get_tv_string_chk(&argvars[1]);
+    initdir = get_tv_string_buf_chk(&argvars[2], buf);
+    defname = get_tv_string_buf_chk(&argvars[3], buf2);
+
+    if (error || title == NULL || initdir == NULL || defname == NULL)
+	rettv->vval.v_string = NULL;
+    else
+	rettv->vval.v_string =
+		 do_browse(save ? BROWSE_SAVE : 0,
+				 title, defname, NULL, initdir, NULL, curbuf);
+#else
+    rettv->vval.v_string = NULL;
+#endif
+    rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "browsedir(title, initdir)" function
+ */
+    static void
+f_browsedir(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_BROWSE
+    char_u	*title;
+    char_u	*initdir;
+    char_u	buf[NUMBUFLEN];
+
+    title = get_tv_string_chk(&argvars[0]);
+    initdir = get_tv_string_buf_chk(&argvars[1], buf);
+
+    if (title == NULL || initdir == NULL)
+	rettv->vval.v_string = NULL;
+    else
+	rettv->vval.v_string = do_browse(BROWSE_DIR,
+				    title, NULL, NULL, initdir, NULL, curbuf);
+#else
+    rettv->vval.v_string = NULL;
+#endif
+    rettv->v_type = VAR_STRING;
+}
+
+static buf_T *find_buffer(typval_T *avar);
+
+/*
+ * Find a buffer by number or exact name.
+ */
+    static buf_T *
+find_buffer(typval_T *avar)
+{
+    buf_T	*buf = NULL;
+
+    if (avar->v_type == VAR_NUMBER)
+	buf = buflist_findnr((int)avar->vval.v_number);
+    else if (avar->v_type == VAR_STRING && avar->vval.v_string != NULL)
+    {
+	buf = buflist_findname_exp(avar->vval.v_string);
+	if (buf == NULL)
+	{
+	    /* No full path name match, try a match with a URL or a "nofile"
+	     * buffer, these don't use the full path. */
+	    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
+		if (buf->b_fname != NULL
+			&& (path_with_url(buf->b_fname)
+#ifdef FEAT_QUICKFIX
+			    || bt_nofile(buf)
+#endif
+			   )
+			&& STRCMP(buf->b_fname, avar->vval.v_string) == 0)
+		    break;
+	}
+    }
+    return buf;
+}
+
+/*
+ * "bufexists(expr)" function
+ */
+    static void
+f_bufexists(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = (find_buffer(&argvars[0]) != NULL);
+}
+
+/*
+ * "buflisted(expr)" function
+ */
+    static void
+f_buflisted(typval_T *argvars, typval_T *rettv)
+{
+    buf_T	*buf;
+
+    buf = find_buffer(&argvars[0]);
+    rettv->vval.v_number = (buf != NULL && buf->b_p_bl);
+}
+
+/*
+ * "bufloaded(expr)" function
+ */
+    static void
+f_bufloaded(typval_T *argvars, typval_T *rettv)
+{
+    buf_T	*buf;
+
+    buf = find_buffer(&argvars[0]);
+    rettv->vval.v_number = (buf != NULL && buf->b_ml.ml_mfp != NULL);
+}
+
+    buf_T *
+buflist_find_by_name(char_u *name, int curtab_only)
+{
+    int		save_magic;
+    char_u	*save_cpo;
+    buf_T	*buf;
+
+    /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
+    save_magic = p_magic;
+    p_magic = TRUE;
+    save_cpo = p_cpo;
+    p_cpo = (char_u *)"";
+
+    buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name),
+						    TRUE, FALSE, curtab_only));
+
+    p_magic = save_magic;
+    p_cpo = save_cpo;
+    return buf;
+}
+
+/*
+ * Get buffer by number or pattern.
+ */
+    static buf_T *
+get_buf_tv(typval_T *tv, int curtab_only)
+{
+    char_u	*name = tv->vval.v_string;
+    buf_T	*buf;
+
+    if (tv->v_type == VAR_NUMBER)
+	return buflist_findnr((int)tv->vval.v_number);
+    if (tv->v_type != VAR_STRING)
+	return NULL;
+    if (name == NULL || *name == NUL)
+	return curbuf;
+    if (name[0] == '$' && name[1] == NUL)
+	return lastbuf;
+
+    buf = buflist_find_by_name(name, curtab_only);
+
+    /* If not found, try expanding the name, like done for bufexists(). */
+    if (buf == NULL)
+	buf = find_buffer(tv);
+
+    return buf;
+}
+
+/*
+ * "bufname(expr)" function
+ */
+    static void
+f_bufname(typval_T *argvars, typval_T *rettv)
+{
+    buf_T	*buf;
+
+    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
+    ++emsg_off;
+    buf = get_buf_tv(&argvars[0], FALSE);
+    rettv->v_type = VAR_STRING;
+    if (buf != NULL && buf->b_fname != NULL)
+	rettv->vval.v_string = vim_strsave(buf->b_fname);
+    else
+	rettv->vval.v_string = NULL;
+    --emsg_off;
+}
+
+/*
+ * "bufnr(expr)" function
+ */
+    static void
+f_bufnr(typval_T *argvars, typval_T *rettv)
+{
+    buf_T	*buf;
+    int		error = FALSE;
+    char_u	*name;
+
+    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
+    ++emsg_off;
+    buf = get_buf_tv(&argvars[0], FALSE);
+    --emsg_off;
+
+    /* If the buffer isn't found and the second argument is not zero create a
+     * new buffer. */
+    if (buf == NULL
+	    && argvars[1].v_type != VAR_UNKNOWN
+	    && get_tv_number_chk(&argvars[1], &error) != 0
+	    && !error
+	    && (name = get_tv_string_chk(&argvars[0])) != NULL
+	    && !error)
+	buf = buflist_new(name, NULL, (linenr_T)1, 0);
+
+    if (buf != NULL)
+	rettv->vval.v_number = buf->b_fnum;
+    else
+	rettv->vval.v_number = -1;
+}
+
+    static void
+buf_win_common(typval_T *argvars, typval_T *rettv, int get_nr)
+{
+#ifdef FEAT_WINDOWS
+    win_T	*wp;
+    int		winnr = 0;
+#endif
+    buf_T	*buf;
+
+    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
+    ++emsg_off;
+    buf = get_buf_tv(&argvars[0], TRUE);
+#ifdef FEAT_WINDOWS
+    for (wp = firstwin; wp; wp = wp->w_next)
+    {
+	++winnr;
+	if (wp->w_buffer == buf)
+	    break;
+    }
+    rettv->vval.v_number = (wp != NULL ? (get_nr ? winnr : wp->w_id) : -1);
+#else
+    rettv->vval.v_number = (curwin->w_buffer == buf
+					  ? (get_nr ? 1 : curwin->w_id) : -1);
+#endif
+    --emsg_off;
+}
+
+/*
+ * "bufwinid(nr)" function
+ */
+    static void
+f_bufwinid(typval_T *argvars, typval_T *rettv)
+{
+    buf_win_common(argvars, rettv, FALSE);
+}
+
+/*
+ * "bufwinnr(nr)" function
+ */
+    static void
+f_bufwinnr(typval_T *argvars, typval_T *rettv)
+{
+    buf_win_common(argvars, rettv, TRUE);
+}
+
+/*
+ * "byte2line(byte)" function
+ */
+    static void
+f_byte2line(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifndef FEAT_BYTEOFF
+    rettv->vval.v_number = -1;
+#else
+    long	boff = 0;
+
+    boff = get_tv_number(&argvars[0]) - 1;  /* boff gets -1 on type error */
+    if (boff < 0)
+	rettv->vval.v_number = -1;
+    else
+	rettv->vval.v_number = ml_find_line_or_offset(curbuf,
+							  (linenr_T)0, &boff);
+#endif
+}
+
+    static void
+byteidx(typval_T *argvars, typval_T *rettv, int comp UNUSED)
+{
+#ifdef FEAT_MBYTE
+    char_u	*t;
+#endif
+    char_u	*str;
+    varnumber_T	idx;
+
+    str = get_tv_string_chk(&argvars[0]);
+    idx = get_tv_number_chk(&argvars[1], NULL);
+    rettv->vval.v_number = -1;
+    if (str == NULL || idx < 0)
+	return;
+
+#ifdef FEAT_MBYTE
+    t = str;
+    for ( ; idx > 0; idx--)
+    {
+	if (*t == NUL)		/* EOL reached */
+	    return;
+	if (enc_utf8 && comp)
+	    t += utf_ptr2len(t);
+	else
+	    t += (*mb_ptr2len)(t);
+    }
+    rettv->vval.v_number = (varnumber_T)(t - str);
+#else
+    if ((size_t)idx <= STRLEN(str))
+	rettv->vval.v_number = idx;
+#endif
+}
+
+/*
+ * "byteidx()" function
+ */
+    static void
+f_byteidx(typval_T *argvars, typval_T *rettv)
+{
+    byteidx(argvars, rettv, FALSE);
+}
+
+/*
+ * "byteidxcomp()" function
+ */
+    static void
+f_byteidxcomp(typval_T *argvars, typval_T *rettv)
+{
+    byteidx(argvars, rettv, TRUE);
+}
+
+/*
+ * "call(func, arglist [, dict])" function
+ */
+    static void
+f_call(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*func;
+    partial_T   *partial = NULL;
+    dict_T	*selfdict = NULL;
+
+    if (argvars[1].v_type != VAR_LIST)
+    {
+	EMSG(_(e_listreq));
+	return;
+    }
+    if (argvars[1].vval.v_list == NULL)
+	return;
+
+    if (argvars[0].v_type == VAR_FUNC)
+	func = argvars[0].vval.v_string;
+    else if (argvars[0].v_type == VAR_PARTIAL)
+    {
+	partial = argvars[0].vval.v_partial;
+	func = partial->pt_name;
+    }
+    else
+	func = get_tv_string(&argvars[0]);
+    if (*func == NUL)
+	return;		/* type error or empty name */
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	if (argvars[2].v_type != VAR_DICT)
+	{
+	    EMSG(_(e_dictreq));
+	    return;
+	}
+	selfdict = argvars[2].vval.v_dict;
+    }
+
+    (void)func_call(func, &argvars[1], partial, selfdict, rettv);
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "ceil({float})" function
+ */
+    static void
+f_ceil(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = ceil(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+#ifdef FEAT_JOB_CHANNEL
+/*
+ * "ch_close()" function
+ */
+    static void
+f_ch_close(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    channel_T *channel = get_channel_arg(&argvars[0], TRUE, FALSE, 0);
+
+    if (channel != NULL)
+    {
+	channel_close(channel, FALSE);
+	channel_clear(channel);
+    }
+}
+
+/*
+ * "ch_getbufnr()" function
+ */
+    static void
+f_ch_getbufnr(typval_T *argvars, typval_T *rettv)
+{
+    channel_T *channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
+
+    rettv->vval.v_number = -1;
+    if (channel != NULL)
+    {
+	char_u	*what = get_tv_string(&argvars[1]);
+	int	part;
+
+	if (STRCMP(what, "err") == 0)
+	    part = PART_ERR;
+	else if (STRCMP(what, "out") == 0)
+	    part = PART_OUT;
+	else if (STRCMP(what, "in") == 0)
+	    part = PART_IN;
+	else
+	    part = PART_SOCK;
+	if (channel->ch_part[part].ch_bufref.br_buf != NULL)
+	    rettv->vval.v_number =
+			      channel->ch_part[part].ch_bufref.br_buf->b_fnum;
+    }
+}
+
+/*
+ * "ch_getjob()" function
+ */
+    static void
+f_ch_getjob(typval_T *argvars, typval_T *rettv)
+{
+    channel_T *channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
+
+    if (channel != NULL)
+    {
+	rettv->v_type = VAR_JOB;
+	rettv->vval.v_job = channel->ch_job;
+	if (channel->ch_job != NULL)
+	    ++channel->ch_job->jv_refcount;
+    }
+}
+
+/*
+ * "ch_info()" function
+ */
+    static void
+f_ch_info(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    channel_T *channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
+
+    if (channel != NULL && rettv_dict_alloc(rettv) != FAIL)
+	channel_info(channel, rettv->vval.v_dict);
+}
+
+/*
+ * "ch_log()" function
+ */
+    static void
+f_ch_log(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    char_u	*msg = get_tv_string(&argvars[0]);
+    channel_T	*channel = NULL;
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+	channel = get_channel_arg(&argvars[1], FALSE, FALSE, 0);
+
+    ch_log(channel, (char *)msg);
+}
+
+/*
+ * "ch_logfile()" function
+ */
+    static void
+f_ch_logfile(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    char_u *fname;
+    char_u *opt = (char_u *)"";
+    char_u buf[NUMBUFLEN];
+
+    fname = get_tv_string(&argvars[0]);
+    if (argvars[1].v_type == VAR_STRING)
+	opt = get_tv_string_buf(&argvars[1], buf);
+    ch_logfile(fname, opt);
+}
+
+/*
+ * "ch_open()" function
+ */
+    static void
+f_ch_open(typval_T *argvars, typval_T *rettv)
+{
+    rettv->v_type = VAR_CHANNEL;
+    if (check_restricted() || check_secure())
+	return;
+    rettv->vval.v_channel = channel_open_func(argvars);
+}
+
+/*
+ * "ch_read()" function
+ */
+    static void
+f_ch_read(typval_T *argvars, typval_T *rettv)
+{
+    common_channel_read(argvars, rettv, FALSE);
+}
+
+/*
+ * "ch_readraw()" function
+ */
+    static void
+f_ch_readraw(typval_T *argvars, typval_T *rettv)
+{
+    common_channel_read(argvars, rettv, TRUE);
+}
+
+/*
+ * "ch_evalexpr()" function
+ */
+    static void
+f_ch_evalexpr(typval_T *argvars, typval_T *rettv)
+{
+    ch_expr_common(argvars, rettv, TRUE);
+}
+
+/*
+ * "ch_sendexpr()" function
+ */
+    static void
+f_ch_sendexpr(typval_T *argvars, typval_T *rettv)
+{
+    ch_expr_common(argvars, rettv, FALSE);
+}
+
+/*
+ * "ch_evalraw()" function
+ */
+    static void
+f_ch_evalraw(typval_T *argvars, typval_T *rettv)
+{
+    ch_raw_common(argvars, rettv, TRUE);
+}
+
+/*
+ * "ch_sendraw()" function
+ */
+    static void
+f_ch_sendraw(typval_T *argvars, typval_T *rettv)
+{
+    ch_raw_common(argvars, rettv, FALSE);
+}
+
+/*
+ * "ch_setoptions()" function
+ */
+    static void
+f_ch_setoptions(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    channel_T	*channel;
+    jobopt_T	opt;
+
+    channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
+    if (channel == NULL)
+	return;
+    clear_job_options(&opt);
+    if (get_job_options(&argvars[1], &opt,
+			      JO_CB_ALL + JO_TIMEOUT_ALL + JO_MODE_ALL) == OK)
+	channel_set_options(channel, &opt);
+    free_job_options(&opt);
+}
+
+/*
+ * "ch_status()" function
+ */
+    static void
+f_ch_status(typval_T *argvars, typval_T *rettv)
+{
+    channel_T	*channel;
+
+    /* return an empty string by default */
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    channel = get_channel_arg(&argvars[0], FALSE, FALSE, 0);
+    rettv->vval.v_string = vim_strsave((char_u *)channel_status(channel));
+}
+#endif
+
+/*
+ * "changenr()" function
+ */
+    static void
+f_changenr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = curbuf->b_u_seq_cur;
+}
+
+/*
+ * "char2nr(string)" function
+ */
+    static void
+f_char2nr(typval_T *argvars, typval_T *rettv)
+{
+#ifdef FEAT_MBYTE
+    if (has_mbyte)
+    {
+	int	utf8 = 0;
+
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	    utf8 = (int)get_tv_number_chk(&argvars[1], NULL);
+
+	if (utf8)
+	    rettv->vval.v_number = (*utf_ptr2char)(get_tv_string(&argvars[0]));
+	else
+	    rettv->vval.v_number = (*mb_ptr2char)(get_tv_string(&argvars[0]));
+    }
+    else
+#endif
+    rettv->vval.v_number = get_tv_string(&argvars[0])[0];
+}
+
+/*
+ * "cindent(lnum)" function
+ */
+    static void
+f_cindent(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_CINDENT
+    pos_T	pos;
+    linenr_T	lnum;
+
+    pos = curwin->w_cursor;
+    lnum = get_tv_lnum(argvars);
+    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
+    {
+	curwin->w_cursor.lnum = lnum;
+	rettv->vval.v_number = get_c_indent();
+	curwin->w_cursor = pos;
+    }
+    else
+#endif
+	rettv->vval.v_number = -1;
+}
+
+/*
+ * "clearmatches()" function
+ */
+    static void
+f_clearmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_SEARCH_EXTRA
+    clear_matches(curwin);
+#endif
+}
+
+/*
+ * "col(string)" function
+ */
+    static void
+f_col(typval_T *argvars, typval_T *rettv)
+{
+    colnr_T	col = 0;
+    pos_T	*fp;
+    int		fnum = curbuf->b_fnum;
+
+    fp = var2fpos(&argvars[0], FALSE, &fnum);
+    if (fp != NULL && fnum == curbuf->b_fnum)
+    {
+	if (fp->col == MAXCOL)
+	{
+	    /* '> can be MAXCOL, get the length of the line then */
+	    if (fp->lnum <= curbuf->b_ml.ml_line_count)
+		col = (colnr_T)STRLEN(ml_get(fp->lnum)) + 1;
+	    else
+		col = MAXCOL;
+	}
+	else
+	{
+	    col = fp->col + 1;
+#ifdef FEAT_VIRTUALEDIT
+	    /* col(".") when the cursor is on the NUL at the end of the line
+	     * because of "coladd" can be seen as an extra column. */
+	    if (virtual_active() && fp == &curwin->w_cursor)
+	    {
+		char_u	*p = ml_get_cursor();
+
+		if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
+				 curwin->w_virtcol - curwin->w_cursor.coladd))
+		{
+# ifdef FEAT_MBYTE
+		    int		l;
+
+		    if (*p != NUL && p[(l = (*mb_ptr2len)(p))] == NUL)
+			col += l;
+# else
+		    if (*p != NUL && p[1] == NUL)
+			++col;
+# endif
+		}
+	    }
+#endif
+	}
+    }
+    rettv->vval.v_number = col;
+}
+
+#if defined(FEAT_INS_EXPAND)
+/*
+ * "complete()" function
+ */
+    static void
+f_complete(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    int	    startcol;
+
+    if ((State & INSERT) == 0)
+    {
+	EMSG(_("E785: complete() can only be used in Insert mode"));
+	return;
+    }
+
+    /* Check for undo allowed here, because if something was already inserted
+     * the line was already saved for undo and this check isn't done. */
+    if (!undo_allowed())
+	return;
+
+    if (argvars[1].v_type != VAR_LIST || argvars[1].vval.v_list == NULL)
+    {
+	EMSG(_(e_invarg));
+	return;
+    }
+
+    startcol = (int)get_tv_number_chk(&argvars[0], NULL);
+    if (startcol <= 0)
+	return;
+
+    set_completion(startcol - 1, argvars[1].vval.v_list);
+}
+
+/*
+ * "complete_add()" function
+ */
+    static void
+f_complete_add(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = ins_compl_add_tv(&argvars[0], 0);
+}
+
+/*
+ * "complete_check()" function
+ */
+    static void
+f_complete_check(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		saved = RedrawingDisabled;
+
+    RedrawingDisabled = 0;
+    ins_compl_check_keys(0);
+    rettv->vval.v_number = compl_interrupted;
+    RedrawingDisabled = saved;
+}
+#endif
+
+/*
+ * "confirm(message, buttons[, default [, type]])" function
+ */
+    static void
+f_confirm(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
+    char_u	*message;
+    char_u	*buttons = NULL;
+    char_u	buf[NUMBUFLEN];
+    char_u	buf2[NUMBUFLEN];
+    int		def = 1;
+    int		type = VIM_GENERIC;
+    char_u	*typestr;
+    int		error = FALSE;
+
+    message = get_tv_string_chk(&argvars[0]);
+    if (message == NULL)
+	error = TRUE;
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	buttons = get_tv_string_buf_chk(&argvars[1], buf);
+	if (buttons == NULL)
+	    error = TRUE;
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	{
+	    def = (int)get_tv_number_chk(&argvars[2], &error);
+	    if (argvars[3].v_type != VAR_UNKNOWN)
+	    {
+		typestr = get_tv_string_buf_chk(&argvars[3], buf2);
+		if (typestr == NULL)
+		    error = TRUE;
+		else
+		{
+		    switch (TOUPPER_ASC(*typestr))
+		    {
+			case 'E': type = VIM_ERROR; break;
+			case 'Q': type = VIM_QUESTION; break;
+			case 'I': type = VIM_INFO; break;
+			case 'W': type = VIM_WARNING; break;
+			case 'G': type = VIM_GENERIC; break;
+		    }
+		}
+	    }
+	}
+    }
+
+    if (buttons == NULL || *buttons == NUL)
+	buttons = (char_u *)_("&Ok");
+
+    if (!error)
+	rettv->vval.v_number = do_dialog(type, NULL, message, buttons,
+							    def, NULL, FALSE);
+#endif
+}
+
+/*
+ * "copy()" function
+ */
+    static void
+f_copy(typval_T *argvars, typval_T *rettv)
+{
+    item_copy(&argvars[0], rettv, FALSE, 0);
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "cos()" function
+ */
+    static void
+f_cos(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = cos(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "cosh()" function
+ */
+    static void
+f_cosh(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = cosh(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "count()" function
+ */
+    static void
+f_count(typval_T *argvars, typval_T *rettv)
+{
+    long	n = 0;
+    int		ic = FALSE;
+
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	listitem_T	*li;
+	list_T		*l;
+	long		idx;
+
+	if ((l = argvars[0].vval.v_list) != NULL)
+	{
+	    li = l->lv_first;
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		int error = FALSE;
+
+		ic = (int)get_tv_number_chk(&argvars[2], &error);
+		if (argvars[3].v_type != VAR_UNKNOWN)
+		{
+		    idx = (long)get_tv_number_chk(&argvars[3], &error);
+		    if (!error)
+		    {
+			li = list_find(l, idx);
+			if (li == NULL)
+			    EMSGN(_(e_listidx), idx);
+		    }
+		}
+		if (error)
+		    li = NULL;
+	    }
+
+	    for ( ; li != NULL; li = li->li_next)
+		if (tv_equal(&li->li_tv, &argvars[1], ic, FALSE))
+		    ++n;
+	}
+    }
+    else if (argvars[0].v_type == VAR_DICT)
+    {
+	int		todo;
+	dict_T		*d;
+	hashitem_T	*hi;
+
+	if ((d = argvars[0].vval.v_dict) != NULL)
+	{
+	    int error = FALSE;
+
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		ic = (int)get_tv_number_chk(&argvars[2], &error);
+		if (argvars[3].v_type != VAR_UNKNOWN)
+		    EMSG(_(e_invarg));
+	    }
+
+	    todo = error ? 0 : (int)d->dv_hashtab.ht_used;
+	    for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi)
+	    {
+		if (!HASHITEM_EMPTY(hi))
+		{
+		    --todo;
+		    if (tv_equal(&HI2DI(hi)->di_tv, &argvars[1], ic, FALSE))
+			++n;
+		}
+	    }
+	}
+    }
+    else
+	EMSG2(_(e_listdictarg), "count()");
+    rettv->vval.v_number = n;
+}
+
+/*
+ * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
+ *
+ * Checks the existence of a cscope connection.
+ */
+    static void
+f_cscope_connection(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_CSCOPE
+    int		num = 0;
+    char_u	*dbpath = NULL;
+    char_u	*prepend = NULL;
+    char_u	buf[NUMBUFLEN];
+
+    if (argvars[0].v_type != VAR_UNKNOWN
+	    && argvars[1].v_type != VAR_UNKNOWN)
+    {
+	num = (int)get_tv_number(&argvars[0]);
+	dbpath = get_tv_string(&argvars[1]);
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    prepend = get_tv_string_buf(&argvars[2], buf);
+    }
+
+    rettv->vval.v_number = cs_connection(num, dbpath, prepend);
+#endif
+}
+
+/*
+ * "cursor(lnum, col)" function, or
+ * "cursor(list)"
+ *
+ * Moves the cursor to the specified line and column.
+ * Returns 0 when the position could be set, -1 otherwise.
+ */
+    static void
+f_cursor(typval_T *argvars, typval_T *rettv)
+{
+    long	line, col;
+#ifdef FEAT_VIRTUALEDIT
+    long	coladd = 0;
+#endif
+    int		set_curswant = TRUE;
+
+    rettv->vval.v_number = -1;
+    if (argvars[1].v_type == VAR_UNKNOWN)
+    {
+	pos_T	    pos;
+	colnr_T	    curswant = -1;
+
+	if (list2fpos(argvars, &pos, NULL, &curswant) == FAIL)
+	{
+	    EMSG(_(e_invarg));
+	    return;
+	}
+	line = pos.lnum;
+	col = pos.col;
+#ifdef FEAT_VIRTUALEDIT
+	coladd = pos.coladd;
+#endif
+	if (curswant >= 0)
+	{
+	    curwin->w_curswant = curswant - 1;
+	    set_curswant = FALSE;
+	}
+    }
+    else
+    {
+	line = get_tv_lnum(argvars);
+	col = (long)get_tv_number_chk(&argvars[1], NULL);
+#ifdef FEAT_VIRTUALEDIT
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    coladd = (long)get_tv_number_chk(&argvars[2], NULL);
+#endif
+    }
+    if (line < 0 || col < 0
+#ifdef FEAT_VIRTUALEDIT
+			    || coladd < 0
+#endif
+	    )
+	return;		/* type error; errmsg already given */
+    if (line > 0)
+	curwin->w_cursor.lnum = line;
+    if (col > 0)
+	curwin->w_cursor.col = col - 1;
+#ifdef FEAT_VIRTUALEDIT
+    curwin->w_cursor.coladd = coladd;
+#endif
+
+    /* Make sure the cursor is in a valid position. */
+    check_cursor();
+#ifdef FEAT_MBYTE
+    /* Correct cursor for multi-byte character. */
+    if (has_mbyte)
+	mb_adjust_cursor();
+#endif
+
+    curwin->w_set_curswant = set_curswant;
+    rettv->vval.v_number = 0;
+}
+
+/*
+ * "deepcopy()" function
+ */
+    static void
+f_deepcopy(typval_T *argvars, typval_T *rettv)
+{
+    int		noref = 0;
+    int		copyID;
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+	noref = (int)get_tv_number_chk(&argvars[1], NULL);
+    if (noref < 0 || noref > 1)
+	EMSG(_(e_invarg));
+    else
+    {
+	copyID = get_copyID();
+	item_copy(&argvars[0], rettv, TRUE, noref == 0 ? copyID : 0);
+    }
+}
+
+/*
+ * "delete()" function
+ */
+    static void
+f_delete(typval_T *argvars, typval_T *rettv)
+{
+    char_u	nbuf[NUMBUFLEN];
+    char_u	*name;
+    char_u	*flags;
+
+    rettv->vval.v_number = -1;
+    if (check_restricted() || check_secure())
+	return;
+
+    name = get_tv_string(&argvars[0]);
+    if (name == NULL || *name == NUL)
+    {
+	EMSG(_(e_invarg));
+	return;
+    }
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+	flags = get_tv_string_buf(&argvars[1], nbuf);
+    else
+	flags = (char_u *)"";
+
+    if (*flags == NUL)
+	/* delete a file */
+	rettv->vval.v_number = mch_remove(name) == 0 ? 0 : -1;
+    else if (STRCMP(flags, "d") == 0)
+	/* delete an empty directory */
+	rettv->vval.v_number = mch_rmdir(name) == 0 ? 0 : -1;
+    else if (STRCMP(flags, "rf") == 0)
+	/* delete a directory recursively */
+	rettv->vval.v_number = delete_recursive(name);
+    else
+	EMSG2(_(e_invexpr2), flags);
+}
+
+/*
+ * "did_filetype()" function
+ */
+    static void
+f_did_filetype(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_AUTOCMD
+    rettv->vval.v_number = did_filetype;
+#endif
+}
+
+/*
+ * "diff_filler()" function
+ */
+    static void
+f_diff_filler(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_DIFF
+    rettv->vval.v_number = diff_check_fill(curwin, get_tv_lnum(argvars));
+#endif
+}
+
+/*
+ * "diff_hlID()" function
+ */
+    static void
+f_diff_hlID(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_DIFF
+    linenr_T		lnum = get_tv_lnum(argvars);
+    static linenr_T	prev_lnum = 0;
+    static int		changedtick = 0;
+    static int		fnum = 0;
+    static int		change_start = 0;
+    static int		change_end = 0;
+    static hlf_T	hlID = (hlf_T)0;
+    int			filler_lines;
+    int			col;
+
+    if (lnum < 0)	/* ignore type error in {lnum} arg */
+	lnum = 0;
+    if (lnum != prev_lnum
+	    || changedtick != curbuf->b_changedtick
+	    || fnum != curbuf->b_fnum)
+    {
+	/* New line, buffer, change: need to get the values. */
+	filler_lines = diff_check(curwin, lnum);
+	if (filler_lines < 0)
+	{
+	    if (filler_lines == -1)
+	    {
+		change_start = MAXCOL;
+		change_end = -1;
+		if (diff_find_change(curwin, lnum, &change_start, &change_end))
+		    hlID = HLF_ADD;	/* added line */
+		else
+		    hlID = HLF_CHD;	/* changed line */
+	    }
+	    else
+		hlID = HLF_ADD;	/* added line */
+	}
+	else
+	    hlID = (hlf_T)0;
+	prev_lnum = lnum;
+	changedtick = curbuf->b_changedtick;
+	fnum = curbuf->b_fnum;
+    }
+
+    if (hlID == HLF_CHD || hlID == HLF_TXD)
+    {
+	col = get_tv_number(&argvars[1]) - 1; /* ignore type error in {col} */
+	if (col >= change_start && col <= change_end)
+	    hlID = HLF_TXD;			/* changed text */
+	else
+	    hlID = HLF_CHD;			/* changed line */
+    }
+    rettv->vval.v_number = hlID == (hlf_T)0 ? 0 : (int)hlID;
+#endif
+}
+
+/*
+ * "empty({expr})" function
+ */
+    static void
+f_empty(typval_T *argvars, typval_T *rettv)
+{
+    int		n = FALSE;
+
+    switch (argvars[0].v_type)
+    {
+	case VAR_STRING:
+	case VAR_FUNC:
+	    n = argvars[0].vval.v_string == NULL
+					  || *argvars[0].vval.v_string == NUL;
+	    break;
+	case VAR_PARTIAL:
+	    n = FALSE;
+	    break;
+	case VAR_NUMBER:
+	    n = argvars[0].vval.v_number == 0;
+	    break;
+	case VAR_FLOAT:
+#ifdef FEAT_FLOAT
+	    n = argvars[0].vval.v_float == 0.0;
+	    break;
+#endif
+	case VAR_LIST:
+	    n = argvars[0].vval.v_list == NULL
+				  || argvars[0].vval.v_list->lv_first == NULL;
+	    break;
+	case VAR_DICT:
+	    n = argvars[0].vval.v_dict == NULL
+			|| argvars[0].vval.v_dict->dv_hashtab.ht_used == 0;
+	    break;
+	case VAR_SPECIAL:
+	    n = argvars[0].vval.v_number != VVAL_TRUE;
+	    break;
+
+	case VAR_JOB:
+#ifdef FEAT_JOB_CHANNEL
+	    n = argvars[0].vval.v_job == NULL
+			   || argvars[0].vval.v_job->jv_status != JOB_STARTED;
+	    break;
+#endif
+	case VAR_CHANNEL:
+#ifdef FEAT_JOB_CHANNEL
+	    n = argvars[0].vval.v_channel == NULL
+			       || !channel_is_open(argvars[0].vval.v_channel);
+	    break;
+#endif
+	case VAR_UNKNOWN:
+	    EMSG2(_(e_intern2), "f_empty(UNKNOWN)");
+	    n = TRUE;
+	    break;
+    }
+
+    rettv->vval.v_number = n;
+}
+
+/*
+ * "escape({string}, {chars})" function
+ */
+    static void
+f_escape(typval_T *argvars, typval_T *rettv)
+{
+    char_u	buf[NUMBUFLEN];
+
+    rettv->vval.v_string = vim_strsave_escaped(get_tv_string(&argvars[0]),
+					 get_tv_string_buf(&argvars[1], buf));
+    rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "eval()" function
+ */
+    static void
+f_eval(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*s, *p;
+
+    s = get_tv_string_chk(&argvars[0]);
+    if (s != NULL)
+	s = skipwhite(s);
+
+    p = s;
+    if (s == NULL || eval1(&s, rettv, TRUE) == FAIL)
+    {
+	if (p != NULL && !aborting())
+	    EMSG2(_(e_invexpr2), p);
+	need_clr_eos = FALSE;
+	rettv->v_type = VAR_NUMBER;
+	rettv->vval.v_number = 0;
+    }
+    else if (*s != NUL)
+	EMSG(_(e_trailing));
+}
+
+/*
+ * "eventhandler()" function
+ */
+    static void
+f_eventhandler(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = vgetc_busy;
+}
+
+/*
+ * "executable()" function
+ */
+    static void
+f_executable(typval_T *argvars, typval_T *rettv)
+{
+    char_u *name = get_tv_string(&argvars[0]);
+
+    /* Check in $PATH and also check directly if there is a directory name. */
+    rettv->vval.v_number = mch_can_exe(name, NULL, TRUE)
+		 || (gettail(name) != name && mch_can_exe(name, NULL, FALSE));
+}
+
+static garray_T	redir_execute_ga;
+
+/*
+ * Append "value[value_len]" to the execute() output.
+ */
+    void
+execute_redir_str(char_u *value, int value_len)
+{
+    int		len;
+
+    if (value_len == -1)
+	len = (int)STRLEN(value);	/* Append the entire string */
+    else
+	len = value_len;		/* Append only "value_len" characters */
+    if (ga_grow(&redir_execute_ga, len) == OK)
+    {
+	mch_memmove((char *)redir_execute_ga.ga_data
+				       + redir_execute_ga.ga_len, value, len);
+	redir_execute_ga.ga_len += len;
+    }
+}
+
+/*
+ * Get next line from a list.
+ * Called by do_cmdline() to get the next line.
+ * Returns allocated string, or NULL for end of function.
+ */
+
+    static char_u *
+get_list_line(
+    int	    c UNUSED,
+    void    *cookie,
+    int	    indent UNUSED)
+{
+    listitem_T **p = (listitem_T **)cookie;
+    listitem_T *item = *p;
+    char_u	buf[NUMBUFLEN];
+    char_u	*s;
+
+    if (item == NULL)
+	return NULL;
+    s = get_tv_string_buf_chk(&item->li_tv, buf);
+    *p = item->li_next;
+    return s == NULL ? NULL : vim_strsave(s);
+}
+
+/*
+ * "execute()" function
+ */
+    static void
+f_execute(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*cmd = NULL;
+    list_T	*list = NULL;
+    int		save_msg_silent = msg_silent;
+    int		save_emsg_silent = emsg_silent;
+    int		save_emsg_noredir = emsg_noredir;
+    int		save_redir_execute = redir_execute;
+    garray_T	save_ga;
+
+    rettv->vval.v_string = NULL;
+    rettv->v_type = VAR_STRING;
+
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	list = argvars[0].vval.v_list;
+	if (list == NULL || list->lv_first == NULL)
+	    /* empty list, no commands, empty output */
+	    return;
+	++list->lv_refcount;
+    }
+    else
+    {
+	cmd = get_tv_string_chk(&argvars[0]);
+	if (cmd == NULL)
+	    return;
+    }
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	char_u	buf[NUMBUFLEN];
+	char_u  *s = get_tv_string_buf_chk(&argvars[1], buf);
+
+	if (s == NULL)
+	    return;
+	if (STRNCMP(s, "silent", 6) == 0)
+	    ++msg_silent;
+	if (STRCMP(s, "silent!") == 0)
+	{
+	    emsg_silent = TRUE;
+	    emsg_noredir = TRUE;
+	}
+    }
+    else
+	++msg_silent;
+
+    if (redir_execute)
+	save_ga = redir_execute_ga;
+    ga_init2(&redir_execute_ga, (int)sizeof(char), 500);
+    redir_execute = TRUE;
+
+    if (cmd != NULL)
+	do_cmdline_cmd(cmd);
+    else
+    {
+	listitem_T	*item = list->lv_first;
+
+	do_cmdline(NULL, get_list_line, (void *)&item,
+		      DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT|DOCMD_KEYTYPED);
+	--list->lv_refcount;
+    }
+
+    rettv->vval.v_string = redir_execute_ga.ga_data;
+    msg_silent = save_msg_silent;
+    emsg_silent = save_emsg_silent;
+    emsg_noredir = save_emsg_noredir;
+
+    redir_execute = save_redir_execute;
+    if (redir_execute)
+	redir_execute_ga = save_ga;
+
+    /* "silent reg" or "silent echo x" leaves msg_col somewhere in the
+     * line.  Put it back in the first column. */
+    msg_col = 0;
+}
+
+/*
+ * "exepath()" function
+ */
+    static void
+f_exepath(typval_T *argvars, typval_T *rettv)
+{
+    char_u *p = NULL;
+
+    (void)mch_can_exe(get_tv_string(&argvars[0]), &p, TRUE);
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = p;
+}
+
+/*
+ * "exists()" function
+ */
+    static void
+f_exists(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+    char_u	*name;
+    int		n = FALSE;
+    int		len = 0;
+
+    p = get_tv_string(&argvars[0]);
+    if (*p == '$')			/* environment variable */
+    {
+	/* first try "normal" environment variables (fast) */
+	if (mch_getenv(p + 1) != NULL)
+	    n = TRUE;
+	else
+	{
+	    /* try expanding things like $VIM and ${HOME} */
+	    p = expand_env_save(p);
+	    if (p != NULL && *p != '$')
+		n = TRUE;
+	    vim_free(p);
+	}
+    }
+    else if (*p == '&' || *p == '+')			/* option */
+    {
+	n = (get_option_tv(&p, NULL, TRUE) == OK);
+	if (*skipwhite(p) != NUL)
+	    n = FALSE;			/* trailing garbage */
+    }
+    else if (*p == '*')			/* internal or user defined function */
+    {
+	n = function_exists(p + 1);
+    }
+    else if (*p == ':')
+    {
+	n = cmd_exists(p + 1);
+    }
+    else if (*p == '#')
+    {
+#ifdef FEAT_AUTOCMD
+	if (p[1] == '#')
+	    n = autocmd_supported(p + 2);
+	else
+	    n = au_exists(p + 1);
+#endif
+    }
+    else				/* internal variable */
+    {
+	char_u	    *tofree;
+	typval_T    tv;
+
+	/* get_name_len() takes care of expanding curly braces */
+	name = p;
+	len = get_name_len(&p, &tofree, TRUE, FALSE);
+	if (len > 0)
+	{
+	    if (tofree != NULL)
+		name = tofree;
+	    n = (get_var_tv(name, len, &tv, NULL, FALSE, TRUE) == OK);
+	    if (n)
+	    {
+		/* handle d.key, l[idx], f(expr) */
+		n = (handle_subscript(&p, &tv, TRUE, FALSE) == OK);
+		if (n)
+		    clear_tv(&tv);
+	    }
+	}
+	if (*p != NUL)
+	    n = FALSE;
+
+	vim_free(tofree);
+    }
+
+    rettv->vval.v_number = n;
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "exp()" function
+ */
+    static void
+f_exp(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = exp(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "expand()" function
+ */
+    static void
+f_expand(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*s;
+    int		len;
+    char_u	*errormsg;
+    int		options = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
+    expand_T	xpc;
+    int		error = FALSE;
+    char_u	*result;
+
+    rettv->v_type = VAR_STRING;
+    if (argvars[1].v_type != VAR_UNKNOWN
+	    && argvars[2].v_type != VAR_UNKNOWN
+	    && get_tv_number_chk(&argvars[2], &error)
+	    && !error)
+    {
+	rettv->v_type = VAR_LIST;
+	rettv->vval.v_list = NULL;
+    }
+
+    s = get_tv_string(&argvars[0]);
+    if (*s == '%' || *s == '#' || *s == '<')
+    {
+	++emsg_off;
+	result = eval_vars(s, s, &len, NULL, &errormsg, NULL);
+	--emsg_off;
+	if (rettv->v_type == VAR_LIST)
+	{
+	    if (rettv_list_alloc(rettv) != FAIL && result != NULL)
+		list_append_string(rettv->vval.v_list, result, -1);
+	    else
+		vim_free(result);
+	}
+	else
+	    rettv->vval.v_string = result;
+    }
+    else
+    {
+	/* When the optional second argument is non-zero, don't remove matches
+	 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
+	if (argvars[1].v_type != VAR_UNKNOWN
+				    && get_tv_number_chk(&argvars[1], &error))
+	    options |= WILD_KEEP_ALL;
+	if (!error)
+	{
+	    ExpandInit(&xpc);
+	    xpc.xp_context = EXPAND_FILES;
+	    if (p_wic)
+		options += WILD_ICASE;
+	    if (rettv->v_type == VAR_STRING)
+		rettv->vval.v_string = ExpandOne(&xpc, s, NULL,
+							   options, WILD_ALL);
+	    else if (rettv_list_alloc(rettv) != FAIL)
+	    {
+		int i;
+
+		ExpandOne(&xpc, s, NULL, options, WILD_ALL_KEEP);
+		for (i = 0; i < xpc.xp_numfiles; i++)
+		    list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
+		ExpandCleanup(&xpc);
+	    }
+	}
+	else
+	    rettv->vval.v_string = NULL;
+    }
+}
+
+/*
+ * "extend(list, list [, idx])" function
+ * "extend(dict, dict [, action])" function
+ */
+    static void
+f_extend(typval_T *argvars, typval_T *rettv)
+{
+    char_u      *arg_errmsg = (char_u *)N_("extend() argument");
+
+    if (argvars[0].v_type == VAR_LIST && argvars[1].v_type == VAR_LIST)
+    {
+	list_T		*l1, *l2;
+	listitem_T	*item;
+	long		before;
+	int		error = FALSE;
+
+	l1 = argvars[0].vval.v_list;
+	l2 = argvars[1].vval.v_list;
+	if (l1 != NULL && !tv_check_lock(l1->lv_lock, arg_errmsg, TRUE)
+		&& l2 != NULL)
+	{
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		before = (long)get_tv_number_chk(&argvars[2], &error);
+		if (error)
+		    return;		/* type error; errmsg already given */
+
+		if (before == l1->lv_len)
+		    item = NULL;
+		else
+		{
+		    item = list_find(l1, before);
+		    if (item == NULL)
+		    {
+			EMSGN(_(e_listidx), before);
+			return;
+		    }
+		}
+	    }
+	    else
+		item = NULL;
+	    list_extend(l1, l2, item);
+
+	    copy_tv(&argvars[0], rettv);
+	}
+    }
+    else if (argvars[0].v_type == VAR_DICT && argvars[1].v_type == VAR_DICT)
+    {
+	dict_T	*d1, *d2;
+	char_u	*action;
+	int	i;
+
+	d1 = argvars[0].vval.v_dict;
+	d2 = argvars[1].vval.v_dict;
+	if (d1 != NULL && !tv_check_lock(d1->dv_lock, arg_errmsg, TRUE)
+		&& d2 != NULL)
+	{
+	    /* Check the third argument. */
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		static char *(av[]) = {"keep", "force", "error"};
+
+		action = get_tv_string_chk(&argvars[2]);
+		if (action == NULL)
+		    return;		/* type error; errmsg already given */
+		for (i = 0; i < 3; ++i)
+		    if (STRCMP(action, av[i]) == 0)
+			break;
+		if (i == 3)
+		{
+		    EMSG2(_(e_invarg2), action);
+		    return;
+		}
+	    }
+	    else
+		action = (char_u *)"force";
+
+	    dict_extend(d1, d2, action);
+
+	    copy_tv(&argvars[0], rettv);
+	}
+    }
+    else
+	EMSG2(_(e_listdictarg), "extend()");
+}
+
+/*
+ * "feedkeys()" function
+ */
+    static void
+f_feedkeys(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    int		remap = TRUE;
+    int		insert = FALSE;
+    char_u	*keys, *flags;
+    char_u	nbuf[NUMBUFLEN];
+    int		typed = FALSE;
+    int		execute = FALSE;
+    int		dangerous = FALSE;
+    char_u	*keys_esc;
+
+    /* This is not allowed in the sandbox.  If the commands would still be
+     * executed in the sandbox it would be OK, but it probably happens later,
+     * when "sandbox" is no longer set. */
+    if (check_secure())
+	return;
+
+    keys = get_tv_string(&argvars[0]);
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	flags = get_tv_string_buf(&argvars[1], nbuf);
+	for ( ; *flags != NUL; ++flags)
+	{
+	    switch (*flags)
+	    {
+		case 'n': remap = FALSE; break;
+		case 'm': remap = TRUE; break;
+		case 't': typed = TRUE; break;
+		case 'i': insert = TRUE; break;
+		case 'x': execute = TRUE; break;
+		case '!': dangerous = TRUE; break;
+	    }
+	}
+    }
+
+    if (*keys != NUL || execute)
+    {
+	/* Need to escape K_SPECIAL and CSI before putting the string in the
+	 * typeahead buffer. */
+	keys_esc = vim_strsave_escape_csi(keys);
+	if (keys_esc != NULL)
+	{
+	    ins_typebuf(keys_esc, (remap ? REMAP_YES : REMAP_NONE),
+				  insert ? 0 : typebuf.tb_len, !typed, FALSE);
+	    vim_free(keys_esc);
+	    if (vgetc_busy)
+		typebuf_was_filled = TRUE;
+	    if (execute)
+	    {
+		int save_msg_scroll = msg_scroll;
+
+		/* Avoid a 1 second delay when the keys start Insert mode. */
+		msg_scroll = FALSE;
+
+		if (!dangerous)
+		    ++ex_normal_busy;
+		exec_normal(TRUE);
+		if (!dangerous)
+		    --ex_normal_busy;
+		msg_scroll |= save_msg_scroll;
+	    }
+	}
+    }
+}
+
+/*
+ * "filereadable()" function
+ */
+    static void
+f_filereadable(typval_T *argvars, typval_T *rettv)
+{
+    int		fd;
+    char_u	*p;
+    int		n;
+
+#ifndef O_NONBLOCK
+# define O_NONBLOCK 0
+#endif
+    p = get_tv_string(&argvars[0]);
+    if (*p && !mch_isdir(p) && (fd = mch_open((char *)p,
+					      O_RDONLY | O_NONBLOCK, 0)) >= 0)
+    {
+	n = TRUE;
+	close(fd);
+    }
+    else
+	n = FALSE;
+
+    rettv->vval.v_number = n;
+}
+
+/*
+ * Return 0 for not writable, 1 for writable file, 2 for a dir which we have
+ * rights to write into.
+ */
+    static void
+f_filewritable(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = filewritable(get_tv_string(&argvars[0]));
+}
+
+    static void
+findfilendir(
+    typval_T	*argvars UNUSED,
+    typval_T	*rettv,
+    int		find_what UNUSED)
+{
+#ifdef FEAT_SEARCHPATH
+    char_u	*fname;
+    char_u	*fresult = NULL;
+    char_u	*path = *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path;
+    char_u	*p;
+    char_u	pathbuf[NUMBUFLEN];
+    int		count = 1;
+    int		first = TRUE;
+    int		error = FALSE;
+#endif
+
+    rettv->vval.v_string = NULL;
+    rettv->v_type = VAR_STRING;
+
+#ifdef FEAT_SEARCHPATH
+    fname = get_tv_string(&argvars[0]);
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	p = get_tv_string_buf_chk(&argvars[1], pathbuf);
+	if (p == NULL)
+	    error = TRUE;
+	else
+	{
+	    if (*p != NUL)
+		path = p;
+
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+		count = (int)get_tv_number_chk(&argvars[2], &error);
+	}
+    }
+
+    if (count < 0 && rettv_list_alloc(rettv) == FAIL)
+	error = TRUE;
+
+    if (*fname != NUL && !error)
+    {
+	do
+	{
+	    if (rettv->v_type == VAR_STRING || rettv->v_type == VAR_LIST)
+		vim_free(fresult);
+	    fresult = find_file_in_path_option(first ? fname : NULL,
+					       first ? (int)STRLEN(fname) : 0,
+					0, first, path,
+					find_what,
+					curbuf->b_ffname,
+					find_what == FINDFILE_DIR
+					    ? (char_u *)"" : curbuf->b_p_sua);
+	    first = FALSE;
+
+	    if (fresult != NULL && rettv->v_type == VAR_LIST)
+		list_append_string(rettv->vval.v_list, fresult, -1);
+
+	} while ((rettv->v_type == VAR_LIST || --count > 0) && fresult != NULL);
+    }
+
+    if (rettv->v_type == VAR_STRING)
+	rettv->vval.v_string = fresult;
+#endif
+}
+
+/*
+ * "filter()" function
+ */
+    static void
+f_filter(typval_T *argvars, typval_T *rettv)
+{
+    filter_map(argvars, rettv, FALSE);
+}
+
+/*
+ * "finddir({fname}[, {path}[, {count}]])" function
+ */
+    static void
+f_finddir(typval_T *argvars, typval_T *rettv)
+{
+    findfilendir(argvars, rettv, FINDFILE_DIR);
+}
+
+/*
+ * "findfile({fname}[, {path}[, {count}]])" function
+ */
+    static void
+f_findfile(typval_T *argvars, typval_T *rettv)
+{
+    findfilendir(argvars, rettv, FINDFILE_FILE);
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "float2nr({float})" function
+ */
+    static void
+f_float2nr(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    if (get_float_arg(argvars, &f) == OK)
+    {
+# ifdef FEAT_NUM64
+	if (f < -0x7fffffffffffffff)
+	    rettv->vval.v_number = -0x7fffffffffffffff;
+	else if (f > 0x7fffffffffffffff)
+	    rettv->vval.v_number = 0x7fffffffffffffff;
+	else
+	    rettv->vval.v_number = (varnumber_T)f;
+# else
+	if (f < -0x7fffffff)
+	    rettv->vval.v_number = -0x7fffffff;
+	else if (f > 0x7fffffff)
+	    rettv->vval.v_number = 0x7fffffff;
+	else
+	    rettv->vval.v_number = (varnumber_T)f;
+# endif
+    }
+}
+
+/*
+ * "floor({float})" function
+ */
+    static void
+f_floor(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = floor(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "fmod()" function
+ */
+    static void
+f_fmod(typval_T *argvars, typval_T *rettv)
+{
+    float_T	fx = 0.0, fy = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &fx) == OK
+				     && get_float_arg(&argvars[1], &fy) == OK)
+	rettv->vval.v_float = fmod(fx, fy);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "fnameescape({string})" function
+ */
+    static void
+f_fnameescape(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_string = vim_strsave_fnameescape(
+					   get_tv_string(&argvars[0]), FALSE);
+    rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "fnamemodify({fname}, {mods})" function
+ */
+    static void
+f_fnamemodify(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*fname;
+    char_u	*mods;
+    int		usedlen = 0;
+    int		len;
+    char_u	*fbuf = NULL;
+    char_u	buf[NUMBUFLEN];
+
+    fname = get_tv_string_chk(&argvars[0]);
+    mods = get_tv_string_buf_chk(&argvars[1], buf);
+    if (fname == NULL || mods == NULL)
+	fname = NULL;
+    else
+    {
+	len = (int)STRLEN(fname);
+	(void)modify_fname(mods, &usedlen, &fname, &fbuf, &len);
+    }
+
+    rettv->v_type = VAR_STRING;
+    if (fname == NULL)
+	rettv->vval.v_string = NULL;
+    else
+	rettv->vval.v_string = vim_strnsave(fname, len);
+    vim_free(fbuf);
+}
+
+static void foldclosed_both(typval_T *argvars, typval_T *rettv, int end);
+
+/*
+ * "foldclosed()" function
+ */
+    static void
+foldclosed_both(
+    typval_T	*argvars UNUSED,
+    typval_T	*rettv,
+    int		end UNUSED)
+{
+#ifdef FEAT_FOLDING
+    linenr_T	lnum;
+    linenr_T	first, last;
+
+    lnum = get_tv_lnum(argvars);
+    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
+    {
+	if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL))
+	{
+	    if (end)
+		rettv->vval.v_number = (varnumber_T)last;
+	    else
+		rettv->vval.v_number = (varnumber_T)first;
+	    return;
+	}
+    }
+#endif
+    rettv->vval.v_number = -1;
+}
+
+/*
+ * "foldclosed()" function
+ */
+    static void
+f_foldclosed(typval_T *argvars, typval_T *rettv)
+{
+    foldclosed_both(argvars, rettv, FALSE);
+}
+
+/*
+ * "foldclosedend()" function
+ */
+    static void
+f_foldclosedend(typval_T *argvars, typval_T *rettv)
+{
+    foldclosed_both(argvars, rettv, TRUE);
+}
+
+/*
+ * "foldlevel()" function
+ */
+    static void
+f_foldlevel(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_FOLDING
+    linenr_T	lnum;
+
+    lnum = get_tv_lnum(argvars);
+    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
+	rettv->vval.v_number = foldLevel(lnum);
+#endif
+}
+
+/*
+ * "foldtext()" function
+ */
+    static void
+f_foldtext(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_FOLDING
+    linenr_T	foldstart;
+    linenr_T	foldend;
+    char_u	*dashes;
+    linenr_T	lnum;
+    char_u	*s;
+    char_u	*r;
+    int		len;
+    char	*txt;
+#endif
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+#ifdef FEAT_FOLDING
+    foldstart = (linenr_T)get_vim_var_nr(VV_FOLDSTART);
+    foldend = (linenr_T)get_vim_var_nr(VV_FOLDEND);
+    dashes = get_vim_var_str(VV_FOLDDASHES);
+    if (foldstart > 0 && foldend <= curbuf->b_ml.ml_line_count
+	    && dashes != NULL)
+    {
+	/* Find first non-empty line in the fold. */
+	while (lnum < (linenr_T)get_vim_var_nr(VV_FOLDEND))
+	{
+	    if (!linewhite(lnum))
+		break;
+	    ++lnum;
+	}
+
+	/* Find interesting text in this line. */
+	s = skipwhite(ml_get(lnum));
+	/* skip C comment-start */
+	if (s[0] == '/' && (s[1] == '*' || s[1] == '/'))
+	{
+	    s = skipwhite(s + 2);
+	    if (*skipwhite(s) == NUL
+			    && lnum + 1 < (linenr_T)get_vim_var_nr(VV_FOLDEND))
+	    {
+		s = skipwhite(ml_get(lnum + 1));
+		if (*s == '*')
+		    s = skipwhite(s + 1);
+	    }
+	}
+	txt = _("+-%s%3ld lines: ");
+	r = alloc((unsigned)(STRLEN(txt)
+		    + STRLEN(dashes)	    /* for %s */
+		    + 20		    /* for %3ld */
+		    + STRLEN(s)));	    /* concatenated */
+	if (r != NULL)
+	{
+	    sprintf((char *)r, txt, dashes, (long)(foldend - foldstart + 1));
+	    len = (int)STRLEN(r);
+	    STRCAT(r, s);
+	    /* remove 'foldmarker' and 'commentstring' */
+	    foldtext_cleanup(r + len);
+	    rettv->vval.v_string = r;
+	}
+    }
+#endif
+}
+
+/*
+ * "foldtextresult(lnum)" function
+ */
+    static void
+f_foldtextresult(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_FOLDING
+    linenr_T	lnum;
+    char_u	*text;
+    char_u	buf[51];
+    foldinfo_T  foldinfo;
+    int		fold_count;
+#endif
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+#ifdef FEAT_FOLDING
+    lnum = get_tv_lnum(argvars);
+    /* treat illegal types and illegal string values for {lnum} the same */
+    if (lnum < 0)
+	lnum = 0;
+    fold_count = foldedCount(curwin, lnum, &foldinfo);
+    if (fold_count > 0)
+    {
+	text = get_foldtext(curwin, lnum, lnum + fold_count - 1,
+							      &foldinfo, buf);
+	if (text == buf)
+	    text = vim_strsave(text);
+	rettv->vval.v_string = text;
+    }
+#endif
+}
+
+/*
+ * "foreground()" function
+ */
+    static void
+f_foreground(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_GUI
+    if (gui.in_use)
+	gui_mch_set_foreground();
+#else
+# ifdef WIN32
+    win32_set_foreground();
+# endif
+#endif
+}
+
+/*
+ * "function()" function
+ */
+    static void
+f_function(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*s;
+    char_u	*name;
+    int		use_string = FALSE;
+    partial_T   *arg_pt = NULL;
+
+    if (argvars[0].v_type == VAR_FUNC)
+    {
+	/* function(MyFunc, [arg], dict) */
+	s = argvars[0].vval.v_string;
+    }
+    else if (argvars[0].v_type == VAR_PARTIAL
+					 && argvars[0].vval.v_partial != NULL)
+    {
+	/* function(dict.MyFunc, [arg]) */
+	arg_pt = argvars[0].vval.v_partial;
+	s = arg_pt->pt_name;
+    }
+    else
+    {
+	/* function('MyFunc', [arg], dict) */
+	s = get_tv_string(&argvars[0]);
+	use_string = TRUE;
+    }
+
+    if (s == NULL || *s == NUL || (use_string && VIM_ISDIGIT(*s)))
+	EMSG2(_(e_invarg2), s);
+    /* Don't check an autoload name for existence here. */
+    else if (use_string && vim_strchr(s, AUTOLOAD_CHAR) == NULL
+						       && !function_exists(s))
+	EMSG2(_("E700: Unknown function: %s"), s);
+    else
+    {
+	int	dict_idx = 0;
+	int	arg_idx = 0;
+	list_T	*list = NULL;
+
+	if (STRNCMP(s, "s:", 2) == 0 || STRNCMP(s, "<SID>", 5) == 0)
+	{
+	    char	sid_buf[25];
+	    int		off = *s == 's' ? 2 : 5;
+
+	    /* Expand s: and <SID> into <SNR>nr_, so that the function can
+	     * also be called from another script. Using trans_function_name()
+	     * would also work, but some plugins depend on the name being
+	     * printable text. */
+	    sprintf(sid_buf, "<SNR>%ld_", (long)current_SID);
+	    name = alloc((int)(STRLEN(sid_buf) + STRLEN(s + off) + 1));
+	    if (name != NULL)
+	    {
+		STRCPY(name, sid_buf);
+		STRCAT(name, s + off);
+	    }
+	}
+	else
+	    name = vim_strsave(s);
+
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	{
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		/* function(name, [args], dict) */
+		arg_idx = 1;
+		dict_idx = 2;
+	    }
+	    else if (argvars[1].v_type == VAR_DICT)
+		/* function(name, dict) */
+		dict_idx = 1;
+	    else
+		/* function(name, [args]) */
+		arg_idx = 1;
+	    if (dict_idx > 0)
+	    {
+		if (argvars[dict_idx].v_type != VAR_DICT)
+		{
+		    EMSG(_("E922: expected a dict"));
+		    vim_free(name);
+		    return;
+		}
+		if (argvars[dict_idx].vval.v_dict == NULL)
+		    dict_idx = 0;
+	    }
+	    if (arg_idx > 0)
+	    {
+		if (argvars[arg_idx].v_type != VAR_LIST)
+		{
+		    EMSG(_("E923: Second argument of function() must be a list or a dict"));
+		    vim_free(name);
+		    return;
+		}
+		list = argvars[arg_idx].vval.v_list;
+		if (list == NULL || list->lv_len == 0)
+		    arg_idx = 0;
+	    }
+	}
+	if (dict_idx > 0 || arg_idx > 0 || arg_pt != NULL)
+	{
+	    partial_T	*pt = (partial_T *)alloc_clear(sizeof(partial_T));
+
+	    /* result is a VAR_PARTIAL */
+	    if (pt == NULL)
+		vim_free(name);
+	    else
+	    {
+		if (arg_idx > 0 || (arg_pt != NULL && arg_pt->pt_argc > 0))
+		{
+		    listitem_T	*li;
+		    int		i = 0;
+		    int		arg_len = 0;
+		    int		lv_len = 0;
+
+		    if (arg_pt != NULL)
+			arg_len = arg_pt->pt_argc;
+		    if (list != NULL)
+			lv_len = list->lv_len;
+		    pt->pt_argc = arg_len + lv_len;
+		    pt->pt_argv = (typval_T *)alloc(
+					      sizeof(typval_T) * pt->pt_argc);
+		    if (pt->pt_argv == NULL)
+		    {
+			vim_free(pt);
+			vim_free(name);
+			return;
+		    }
+		    else
+		    {
+			for (i = 0; i < arg_len; i++)
+			    copy_tv(&arg_pt->pt_argv[i], &pt->pt_argv[i]);
+			if (lv_len > 0)
+			    for (li = list->lv_first; li != NULL;
+							     li = li->li_next)
+				copy_tv(&li->li_tv, &pt->pt_argv[i++]);
+		    }
+		}
+
+		/* For "function(dict.func, [], dict)" and "func" is a partial
+		 * use "dict".  That is backwards compatible. */
+		if (dict_idx > 0)
+		{
+		    /* The dict is bound explicitly, pt_auto is FALSE. */
+		    pt->pt_dict = argvars[dict_idx].vval.v_dict;
+		    ++pt->pt_dict->dv_refcount;
+		}
+		else if (arg_pt != NULL)
+		{
+		    /* If the dict was bound automatically the result is also
+		     * bound automatically. */
+		    pt->pt_dict = arg_pt->pt_dict;
+		    pt->pt_auto = arg_pt->pt_auto;
+		    if (pt->pt_dict != NULL)
+			++pt->pt_dict->dv_refcount;
+		}
+
+		pt->pt_refcount = 1;
+		pt->pt_name = name;
+		func_ref(pt->pt_name);
+	    }
+	    rettv->v_type = VAR_PARTIAL;
+	    rettv->vval.v_partial = pt;
+	}
+	else
+	{
+	    /* result is a VAR_FUNC */
+	    rettv->v_type = VAR_FUNC;
+	    rettv->vval.v_string = name;
+	    func_ref(name);
+	}
+    }
+}
+
+/*
+ * "garbagecollect()" function
+ */
+    static void
+f_garbagecollect(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    /* This is postponed until we are back at the toplevel, because we may be
+     * using Lists and Dicts internally.  E.g.: ":echo [garbagecollect()]". */
+    want_garbage_collect = TRUE;
+
+    if (argvars[0].v_type != VAR_UNKNOWN && get_tv_number(&argvars[0]) == 1)
+	garbage_collect_at_exit = TRUE;
+}
+
+/*
+ * "get()" function
+ */
+    static void
+f_get(typval_T *argvars, typval_T *rettv)
+{
+    listitem_T	*li;
+    list_T	*l;
+    dictitem_T	*di;
+    dict_T	*d;
+    typval_T	*tv = NULL;
+
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	if ((l = argvars[0].vval.v_list) != NULL)
+	{
+	    int		error = FALSE;
+
+	    li = list_find(l, (long)get_tv_number_chk(&argvars[1], &error));
+	    if (!error && li != NULL)
+		tv = &li->li_tv;
+	}
+    }
+    else if (argvars[0].v_type == VAR_DICT)
+    {
+	if ((d = argvars[0].vval.v_dict) != NULL)
+	{
+	    di = dict_find(d, get_tv_string(&argvars[1]), -1);
+	    if (di != NULL)
+		tv = &di->di_tv;
+	}
+    }
+    else if (argvars[0].v_type == VAR_PARTIAL || argvars[0].v_type == VAR_FUNC)
+    {
+	partial_T	*pt;
+	partial_T	fref_pt;
+
+	if (argvars[0].v_type == VAR_PARTIAL)
+	    pt = argvars[0].vval.v_partial;
+	else
+	{
+	    vim_memset(&fref_pt, 0, sizeof(fref_pt));
+	    fref_pt.pt_name = argvars[0].vval.v_string;
+	    pt = &fref_pt;
+	}
+
+	if (pt != NULL)
+	{
+	    char_u *what = get_tv_string(&argvars[1]);
+
+	    if (STRCMP(what, "func") == 0 || STRCMP(what, "name") == 0)
+	    {
+		rettv->v_type = (*what == 'f' ? VAR_FUNC : VAR_STRING);
+		if (pt->pt_name == NULL)
+		    rettv->vval.v_string = NULL;
+		else
+		    rettv->vval.v_string = vim_strsave(pt->pt_name);
+	    }
+	    else if (STRCMP(what, "dict") == 0)
+	    {
+		rettv->v_type = VAR_DICT;
+		rettv->vval.v_dict = pt->pt_dict;
+		if (pt->pt_dict != NULL)
+		    ++pt->pt_dict->dv_refcount;
+	    }
+	    else if (STRCMP(what, "args") == 0)
+	    {
+		rettv->v_type = VAR_LIST;
+		if (rettv_list_alloc(rettv) == OK)
+		{
+		    int i;
+
+		    for (i = 0; i < pt->pt_argc; ++i)
+			list_append_tv(rettv->vval.v_list, &pt->pt_argv[i]);
+		}
+	    }
+	    else
+		EMSG2(_(e_invarg2), what);
+	    return;
+	}
+    }
+    else
+	EMSG2(_(e_listdictarg), "get()");
+
+    if (tv == NULL)
+    {
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    copy_tv(&argvars[2], rettv);
+    }
+    else
+	copy_tv(tv, rettv);
+}
+
+static void get_buffer_lines(buf_T *buf, linenr_T start, linenr_T end, int retlist, typval_T *rettv);
+
+/*
+ * Get line or list of lines from buffer "buf" into "rettv".
+ * Return a range (from start to end) of lines in rettv from the specified
+ * buffer.
+ * If 'retlist' is TRUE, then the lines are returned as a Vim List.
+ */
+    static void
+get_buffer_lines(
+    buf_T	*buf,
+    linenr_T	start,
+    linenr_T	end,
+    int		retlist,
+    typval_T	*rettv)
+{
+    char_u	*p;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+    if (retlist && rettv_list_alloc(rettv) == FAIL)
+	return;
+
+    if (buf == NULL || buf->b_ml.ml_mfp == NULL || start < 0)
+	return;
+
+    if (!retlist)
+    {
+	if (start >= 1 && start <= buf->b_ml.ml_line_count)
+	    p = ml_get_buf(buf, start, FALSE);
+	else
+	    p = (char_u *)"";
+	rettv->vval.v_string = vim_strsave(p);
+    }
+    else
+    {
+	if (end < start)
+	    return;
+
+	if (start < 1)
+	    start = 1;
+	if (end > buf->b_ml.ml_line_count)
+	    end = buf->b_ml.ml_line_count;
+	while (start <= end)
+	    if (list_append_string(rettv->vval.v_list,
+				 ml_get_buf(buf, start++, FALSE), -1) == FAIL)
+		break;
+    }
+}
+
+/*
+ * Get the lnum from the first argument.
+ * Also accepts "$", then "buf" is used.
+ * Returns 0 on error.
+ */
+    static linenr_T
+get_tv_lnum_buf(typval_T *argvars, buf_T *buf)
+{
+    if (argvars[0].v_type == VAR_STRING
+	    && argvars[0].vval.v_string != NULL
+	    && argvars[0].vval.v_string[0] == '$'
+	    && buf != NULL)
+	return buf->b_ml.ml_line_count;
+    return (linenr_T)get_tv_number_chk(&argvars[0], NULL);
+}
+
+/*
+ * "getbufline()" function
+ */
+    static void
+f_getbufline(typval_T *argvars, typval_T *rettv)
+{
+    linenr_T	lnum;
+    linenr_T	end;
+    buf_T	*buf;
+
+    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
+    ++emsg_off;
+    buf = get_buf_tv(&argvars[0], FALSE);
+    --emsg_off;
+
+    lnum = get_tv_lnum_buf(&argvars[1], buf);
+    if (argvars[2].v_type == VAR_UNKNOWN)
+	end = lnum;
+    else
+	end = get_tv_lnum_buf(&argvars[2], buf);
+
+    get_buffer_lines(buf, lnum, end, TRUE, rettv);
+}
+
+/*
+ * "getbufvar()" function
+ */
+    static void
+f_getbufvar(typval_T *argvars, typval_T *rettv)
+{
+    buf_T	*buf;
+    buf_T	*save_curbuf;
+    char_u	*varname;
+    dictitem_T	*v;
+    int		done = FALSE;
+
+    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
+    varname = get_tv_string_chk(&argvars[1]);
+    ++emsg_off;
+    buf = get_buf_tv(&argvars[0], FALSE);
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    if (buf != NULL && varname != NULL)
+    {
+	/* set curbuf to be our buf, temporarily */
+	save_curbuf = curbuf;
+	curbuf = buf;
+
+	if (*varname == '&')	/* buffer-local-option */
+	{
+	    if (get_option_tv(&varname, rettv, TRUE) == OK)
+		done = TRUE;
+	}
+	else if (STRCMP(varname, "changedtick") == 0)
+	{
+	    rettv->v_type = VAR_NUMBER;
+	    rettv->vval.v_number = curbuf->b_changedtick;
+	    done = TRUE;
+	}
+	else
+	{
+	    /* Look up the variable. */
+	    /* Let getbufvar({nr}, "") return the "b:" dictionary. */
+	    v = find_var_in_ht(&curbuf->b_vars->dv_hashtab,
+							 'b', varname, FALSE);
+	    if (v != NULL)
+	    {
+		copy_tv(&v->di_tv, rettv);
+		done = TRUE;
+	    }
+	}
+
+	/* restore previous notion of curbuf */
+	curbuf = save_curbuf;
+    }
+
+    if (!done && argvars[2].v_type != VAR_UNKNOWN)
+	/* use the default value */
+	copy_tv(&argvars[2], rettv);
+
+    --emsg_off;
+}
+
+/*
+ * "getchar()" function
+ */
+    static void
+f_getchar(typval_T *argvars, typval_T *rettv)
+{
+    varnumber_T		n;
+    int			error = FALSE;
+
+    /* Position the cursor.  Needed after a message that ends in a space. */
+    windgoto(msg_row, msg_col);
+
+    ++no_mapping;
+    ++allow_keys;
+    for (;;)
+    {
+	if (argvars[0].v_type == VAR_UNKNOWN)
+	    /* getchar(): blocking wait. */
+	    n = safe_vgetc();
+	else if (get_tv_number_chk(&argvars[0], &error) == 1)
+	    /* getchar(1): only check if char avail */
+	    n = vpeekc_any();
+	else if (error || vpeekc_any() == NUL)
+	    /* illegal argument or getchar(0) and no char avail: return zero */
+	    n = 0;
+	else
+	    /* getchar(0) and char avail: return char */
+	    n = safe_vgetc();
+
+	if (n == K_IGNORE)
+	    continue;
+	break;
+    }
+    --no_mapping;
+    --allow_keys;
+
+    set_vim_var_nr(VV_MOUSE_WIN, 0);
+    set_vim_var_nr(VV_MOUSE_WINID, 0);
+    set_vim_var_nr(VV_MOUSE_LNUM, 0);
+    set_vim_var_nr(VV_MOUSE_COL, 0);
+
+    rettv->vval.v_number = n;
+    if (IS_SPECIAL(n) || mod_mask != 0)
+    {
+	char_u		temp[10];   /* modifier: 3, mbyte-char: 6, NUL: 1 */
+	int		i = 0;
+
+	/* Turn a special key into three bytes, plus modifier. */
+	if (mod_mask != 0)
+	{
+	    temp[i++] = K_SPECIAL;
+	    temp[i++] = KS_MODIFIER;
+	    temp[i++] = mod_mask;
+	}
+	if (IS_SPECIAL(n))
+	{
+	    temp[i++] = K_SPECIAL;
+	    temp[i++] = K_SECOND(n);
+	    temp[i++] = K_THIRD(n);
+	}
+#ifdef FEAT_MBYTE
+	else if (has_mbyte)
+	    i += (*mb_char2bytes)(n, temp + i);
+#endif
+	else
+	    temp[i++] = n;
+	temp[i++] = NUL;
+	rettv->v_type = VAR_STRING;
+	rettv->vval.v_string = vim_strsave(temp);
+
+#ifdef FEAT_MOUSE
+	if (is_mouse_key(n))
+	{
+	    int		row = mouse_row;
+	    int		col = mouse_col;
+	    win_T	*win;
+	    linenr_T	lnum;
+# ifdef FEAT_WINDOWS
+	    win_T	*wp;
+# endif
+	    int		winnr = 1;
+
+	    if (row >= 0 && col >= 0)
+	    {
+		/* Find the window at the mouse coordinates and compute the
+		 * text position. */
+		win = mouse_find_win(&row, &col);
+		(void)mouse_comp_pos(win, &row, &col, &lnum);
+# ifdef FEAT_WINDOWS
+		for (wp = firstwin; wp != win; wp = wp->w_next)
+		    ++winnr;
+# endif
+		set_vim_var_nr(VV_MOUSE_WIN, winnr);
+		set_vim_var_nr(VV_MOUSE_WINID, win->w_id);
+		set_vim_var_nr(VV_MOUSE_LNUM, lnum);
+		set_vim_var_nr(VV_MOUSE_COL, col + 1);
+	    }
+	}
+#endif
+    }
+}
+
+/*
+ * "getcharmod()" function
+ */
+    static void
+f_getcharmod(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = mod_mask;
+}
+
+/*
+ * "getcharsearch()" function
+ */
+    static void
+f_getcharsearch(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    if (rettv_dict_alloc(rettv) != FAIL)
+    {
+	dict_T *dict = rettv->vval.v_dict;
+
+	dict_add_nr_str(dict, "char", 0L, last_csearch());
+	dict_add_nr_str(dict, "forward", last_csearch_forward(), NULL);
+	dict_add_nr_str(dict, "until", last_csearch_until(), NULL);
+    }
+}
+
+/*
+ * "getcmdline()" function
+ */
+    static void
+f_getcmdline(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = get_cmdline_str();
+}
+
+/*
+ * "getcmdpos()" function
+ */
+    static void
+f_getcmdpos(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = get_cmdline_pos() + 1;
+}
+
+/*
+ * "getcmdtype()" function
+ */
+    static void
+f_getcmdtype(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = alloc(2);
+    if (rettv->vval.v_string != NULL)
+    {
+	rettv->vval.v_string[0] = get_cmdline_type();
+	rettv->vval.v_string[1] = NUL;
+    }
+}
+
+/*
+ * "getcmdwintype()" function
+ */
+    static void
+f_getcmdwintype(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+#ifdef FEAT_CMDWIN
+    rettv->vval.v_string = alloc(2);
+    if (rettv->vval.v_string != NULL)
+    {
+	rettv->vval.v_string[0] = cmdwin_type;
+	rettv->vval.v_string[1] = NUL;
+    }
+#endif
+}
+
+#if defined(FEAT_CMDL_COMPL)
+/*
+ * "getcompletion()" function
+ */
+    static void
+f_getcompletion(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*pat;
+    expand_T	xpc;
+    int		options = WILD_KEEP_ALL | WILD_SILENT | WILD_USE_NL
+					  | WILD_LIST_NOTFOUND | WILD_NO_BEEP;
+
+    if (p_wic)
+	options |= WILD_ICASE;
+
+    ExpandInit(&xpc);
+    xpc.xp_pattern = get_tv_string(&argvars[0]);
+    xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
+    xpc.xp_context = cmdcomplete_str_to_type(get_tv_string(&argvars[1]));
+    if (xpc.xp_context == EXPAND_NOTHING)
+    {
+	if (argvars[1].v_type == VAR_STRING)
+	    EMSG2(_(e_invarg2), argvars[1].vval.v_string);
+	else
+	    EMSG(_(e_invarg));
+	return;
+    }
+
+# if defined(FEAT_MENU)
+    if (xpc.xp_context == EXPAND_MENUS)
+    {
+	set_context_in_menu_cmd(&xpc, (char_u *)"menu", xpc.xp_pattern, FALSE);
+	xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
+    }
+# endif
+
+    pat = addstar(xpc.xp_pattern, xpc.xp_pattern_len, xpc.xp_context);
+    if ((rettv_list_alloc(rettv) != FAIL) && (pat != NULL))
+    {
+	int i;
+
+	ExpandOne(&xpc, pat, NULL, options, WILD_ALL_KEEP);
+
+	for (i = 0; i < xpc.xp_numfiles; i++)
+	    list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
+    }
+    vim_free(pat);
+    ExpandCleanup(&xpc);
+}
+#endif
+
+/*
+ * "getcwd()" function
+ */
+    static void
+f_getcwd(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*wp = NULL;
+    char_u	*cwd;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    wp = find_tabwin(&argvars[0], &argvars[1]);
+    if (wp != NULL)
+    {
+	if (wp->w_localdir != NULL)
+	    rettv->vval.v_string = vim_strsave(wp->w_localdir);
+	else if (globaldir != NULL)
+	    rettv->vval.v_string = vim_strsave(globaldir);
+	else
+	{
+	    cwd = alloc(MAXPATHL);
+	    if (cwd != NULL)
+	    {
+		if (mch_dirname(cwd, MAXPATHL) != FAIL)
+		    rettv->vval.v_string = vim_strsave(cwd);
+		vim_free(cwd);
+	    }
+	}
+#ifdef BACKSLASH_IN_FILENAME
+	if (rettv->vval.v_string != NULL)
+	    slash_adjust(rettv->vval.v_string);
+#endif
+    }
+}
+
+/*
+ * "getfontname()" function
+ */
+    static void
+f_getfontname(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+#ifdef FEAT_GUI
+    if (gui.in_use)
+    {
+	GuiFont font;
+	char_u	*name = NULL;
+
+	if (argvars[0].v_type == VAR_UNKNOWN)
+	{
+	    /* Get the "Normal" font.  Either the name saved by
+	     * hl_set_font_name() or from the font ID. */
+	    font = gui.norm_font;
+	    name = hl_get_font_name();
+	}
+	else
+	{
+	    name = get_tv_string(&argvars[0]);
+	    if (STRCMP(name, "*") == 0)	    /* don't use font dialog */
+		return;
+	    font = gui_mch_get_font(name, FALSE);
+	    if (font == NOFONT)
+		return;	    /* Invalid font name, return empty string. */
+	}
+	rettv->vval.v_string = gui_mch_get_fontname(font, name);
+	if (argvars[0].v_type != VAR_UNKNOWN)
+	    gui_mch_free_font(font);
+    }
+#endif
+}
+
+/*
+ * "getfperm({fname})" function
+ */
+    static void
+f_getfperm(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*fname;
+    stat_T	st;
+    char_u	*perm = NULL;
+    char_u	flags[] = "rwx";
+    int		i;
+
+    fname = get_tv_string(&argvars[0]);
+
+    rettv->v_type = VAR_STRING;
+    if (mch_stat((char *)fname, &st) >= 0)
+    {
+	perm = vim_strsave((char_u *)"---------");
+	if (perm != NULL)
+	{
+	    for (i = 0; i < 9; i++)
+	    {
+		if (st.st_mode & (1 << (8 - i)))
+		    perm[i] = flags[i % 3];
+	    }
+	}
+    }
+    rettv->vval.v_string = perm;
+}
+
+/*
+ * "getfsize({fname})" function
+ */
+    static void
+f_getfsize(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*fname;
+    stat_T	st;
+
+    fname = get_tv_string(&argvars[0]);
+
+    rettv->v_type = VAR_NUMBER;
+
+    if (mch_stat((char *)fname, &st) >= 0)
+    {
+	if (mch_isdir(fname))
+	    rettv->vval.v_number = 0;
+	else
+	{
+	    rettv->vval.v_number = (varnumber_T)st.st_size;
+
+	    /* non-perfect check for overflow */
+	    if ((off_T)rettv->vval.v_number != (off_T)st.st_size)
+		rettv->vval.v_number = -2;
+	}
+    }
+    else
+	  rettv->vval.v_number = -1;
+}
+
+/*
+ * "getftime({fname})" function
+ */
+    static void
+f_getftime(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*fname;
+    stat_T	st;
+
+    fname = get_tv_string(&argvars[0]);
+
+    if (mch_stat((char *)fname, &st) >= 0)
+	rettv->vval.v_number = (varnumber_T)st.st_mtime;
+    else
+	rettv->vval.v_number = -1;
+}
+
+/*
+ * "getftype({fname})" function
+ */
+    static void
+f_getftype(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*fname;
+    stat_T	st;
+    char_u	*type = NULL;
+    char	*t;
+
+    fname = get_tv_string(&argvars[0]);
+
+    rettv->v_type = VAR_STRING;
+    if (mch_lstat((char *)fname, &st) >= 0)
+    {
+#ifdef S_ISREG
+	if (S_ISREG(st.st_mode))
+	    t = "file";
+	else if (S_ISDIR(st.st_mode))
+	    t = "dir";
+# ifdef S_ISLNK
+	else if (S_ISLNK(st.st_mode))
+	    t = "link";
+# endif
+# ifdef S_ISBLK
+	else if (S_ISBLK(st.st_mode))
+	    t = "bdev";
+# endif
+# ifdef S_ISCHR
+	else if (S_ISCHR(st.st_mode))
+	    t = "cdev";
+# endif
+# ifdef S_ISFIFO
+	else if (S_ISFIFO(st.st_mode))
+	    t = "fifo";
+# endif
+# ifdef S_ISSOCK
+	else if (S_ISSOCK(st.st_mode))
+	    t = "fifo";
+# endif
+	else
+	    t = "other";
+#else
+# ifdef S_IFMT
+	switch (st.st_mode & S_IFMT)
+	{
+	    case S_IFREG: t = "file"; break;
+	    case S_IFDIR: t = "dir"; break;
+#  ifdef S_IFLNK
+	    case S_IFLNK: t = "link"; break;
+#  endif
+#  ifdef S_IFBLK
+	    case S_IFBLK: t = "bdev"; break;
+#  endif
+#  ifdef S_IFCHR
+	    case S_IFCHR: t = "cdev"; break;
+#  endif
+#  ifdef S_IFIFO
+	    case S_IFIFO: t = "fifo"; break;
+#  endif
+#  ifdef S_IFSOCK
+	    case S_IFSOCK: t = "socket"; break;
+#  endif
+	    default: t = "other";
+	}
+# else
+	if (mch_isdir(fname))
+	    t = "dir";
+	else
+	    t = "file";
+# endif
+#endif
+	type = vim_strsave((char_u *)t);
+    }
+    rettv->vval.v_string = type;
+}
+
+/*
+ * "getline(lnum, [end])" function
+ */
+    static void
+f_getline(typval_T *argvars, typval_T *rettv)
+{
+    linenr_T	lnum;
+    linenr_T	end;
+    int		retlist;
+
+    lnum = get_tv_lnum(argvars);
+    if (argvars[1].v_type == VAR_UNKNOWN)
+    {
+	end = 0;
+	retlist = FALSE;
+    }
+    else
+    {
+	end = get_tv_lnum(&argvars[1]);
+	retlist = TRUE;
+    }
+
+    get_buffer_lines(curbuf, lnum, end, retlist, rettv);
+}
+
+/*
+ * "getmatches()" function
+ */
+    static void
+f_getmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_SEARCH_EXTRA
+    dict_T	*dict;
+    matchitem_T	*cur = curwin->w_match_head;
+    int		i;
+
+    if (rettv_list_alloc(rettv) == OK)
+    {
+	while (cur != NULL)
+	{
+	    dict = dict_alloc();
+	    if (dict == NULL)
+		return;
+	    if (cur->match.regprog == NULL)
+	    {
+		/* match added with matchaddpos() */
+		for (i = 0; i < MAXPOSMATCH; ++i)
+		{
+		    llpos_T	*llpos;
+		    char	buf[6];
+		    list_T	*l;
+
+		    llpos = &cur->pos.pos[i];
+		    if (llpos->lnum == 0)
+			break;
+		    l = list_alloc();
+		    if (l == NULL)
+			break;
+		    list_append_number(l, (varnumber_T)llpos->lnum);
+		    if (llpos->col > 0)
+		    {
+			list_append_number(l, (varnumber_T)llpos->col);
+			list_append_number(l, (varnumber_T)llpos->len);
+		    }
+		    sprintf(buf, "pos%d", i + 1);
+		    dict_add_list(dict, buf, l);
+		}
+	    }
+	    else
+	    {
+		dict_add_nr_str(dict, "pattern", 0L, cur->pattern);
+	    }
+	    dict_add_nr_str(dict, "group", 0L, syn_id2name(cur->hlg_id));
+	    dict_add_nr_str(dict, "priority", (long)cur->priority, NULL);
+	    dict_add_nr_str(dict, "id", (long)cur->id, NULL);
+# if defined(FEAT_CONCEAL) && defined(FEAT_MBYTE)
+	    if (cur->conceal_char)
+	    {
+		char_u buf[MB_MAXBYTES + 1];
+
+		buf[(*mb_char2bytes)((int)cur->conceal_char, buf)] = NUL;
+		dict_add_nr_str(dict, "conceal", 0L, (char_u *)&buf);
+	    }
+# endif
+	    list_append_dict(rettv->vval.v_list, dict);
+	    cur = cur->next;
+	}
+    }
+#endif
+}
+
+/*
+ * "getpid()" function
+ */
+    static void
+f_getpid(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = mch_get_pid();
+}
+
+    static void
+getpos_both(
+    typval_T	*argvars,
+    typval_T	*rettv,
+    int		getcurpos)
+{
+    pos_T	*fp;
+    list_T	*l;
+    int		fnum = -1;
+
+    if (rettv_list_alloc(rettv) == OK)
+    {
+	l = rettv->vval.v_list;
+	if (getcurpos)
+	    fp = &curwin->w_cursor;
+	else
+	    fp = var2fpos(&argvars[0], TRUE, &fnum);
+	if (fnum != -1)
+	    list_append_number(l, (varnumber_T)fnum);
+	else
+	    list_append_number(l, (varnumber_T)0);
+	list_append_number(l, (fp != NULL) ? (varnumber_T)fp->lnum
+							    : (varnumber_T)0);
+	list_append_number(l, (fp != NULL)
+		     ? (varnumber_T)(fp->col == MAXCOL ? MAXCOL : fp->col + 1)
+							    : (varnumber_T)0);
+	list_append_number(l,
+#ifdef FEAT_VIRTUALEDIT
+				(fp != NULL) ? (varnumber_T)fp->coladd :
+#endif
+							      (varnumber_T)0);
+	if (getcurpos)
+	{
+	    update_curswant();
+	    list_append_number(l, curwin->w_curswant == MAXCOL ?
+		    (varnumber_T)MAXCOL : (varnumber_T)curwin->w_curswant + 1);
+	}
+    }
+    else
+	rettv->vval.v_number = FALSE;
+}
+
+
+/*
+ * "getcurpos()" function
+ */
+    static void
+f_getcurpos(typval_T *argvars, typval_T *rettv)
+{
+    getpos_both(argvars, rettv, TRUE);
+}
+
+/*
+ * "getpos(string)" function
+ */
+    static void
+f_getpos(typval_T *argvars, typval_T *rettv)
+{
+    getpos_both(argvars, rettv, FALSE);
+}
+
+/*
+ * "getqflist()" and "getloclist()" functions
+ */
+    static void
+f_getqflist(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_QUICKFIX
+    win_T	*wp;
+#endif
+
+#ifdef FEAT_QUICKFIX
+    if (rettv_list_alloc(rettv) == OK)
+    {
+	wp = NULL;
+	if (argvars[0].v_type != VAR_UNKNOWN)	/* getloclist() */
+	{
+	    wp = find_win_by_nr(&argvars[0], NULL);
+	    if (wp == NULL)
+		return;
+	}
+
+	(void)get_errorlist(wp, rettv->vval.v_list);
+    }
+#endif
+}
+
+/*
+ * "getreg()" function
+ */
+    static void
+f_getreg(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*strregname;
+    int		regname;
+    int		arg2 = FALSE;
+    int		return_list = FALSE;
+    int		error = FALSE;
+
+    if (argvars[0].v_type != VAR_UNKNOWN)
+    {
+	strregname = get_tv_string_chk(&argvars[0]);
+	error = strregname == NULL;
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	{
+	    arg2 = (int)get_tv_number_chk(&argvars[1], &error);
+	    if (!error && argvars[2].v_type != VAR_UNKNOWN)
+		return_list = (int)get_tv_number_chk(&argvars[2], &error);
+	}
+    }
+    else
+	strregname = get_vim_var_str(VV_REG);
+
+    if (error)
+	return;
+
+    regname = (strregname == NULL ? '"' : *strregname);
+    if (regname == 0)
+	regname = '"';
+
+    if (return_list)
+    {
+	rettv->v_type = VAR_LIST;
+	rettv->vval.v_list = (list_T *)get_reg_contents(regname,
+				      (arg2 ? GREG_EXPR_SRC : 0) | GREG_LIST);
+	if (rettv->vval.v_list == NULL)
+	    (void)rettv_list_alloc(rettv);
+	else
+	    ++rettv->vval.v_list->lv_refcount;
+    }
+    else
+    {
+	rettv->v_type = VAR_STRING;
+	rettv->vval.v_string = get_reg_contents(regname,
+						    arg2 ? GREG_EXPR_SRC : 0);
+    }
+}
+
+/*
+ * "getregtype()" function
+ */
+    static void
+f_getregtype(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*strregname;
+    int		regname;
+    char_u	buf[NUMBUFLEN + 2];
+    long	reglen = 0;
+
+    if (argvars[0].v_type != VAR_UNKNOWN)
+    {
+	strregname = get_tv_string_chk(&argvars[0]);
+	if (strregname == NULL)	    /* type error; errmsg already given */
+	{
+	    rettv->v_type = VAR_STRING;
+	    rettv->vval.v_string = NULL;
+	    return;
+	}
+    }
+    else
+	/* Default to v:register */
+	strregname = get_vim_var_str(VV_REG);
+
+    regname = (strregname == NULL ? '"' : *strregname);
+    if (regname == 0)
+	regname = '"';
+
+    buf[0] = NUL;
+    buf[1] = NUL;
+    switch (get_reg_type(regname, &reglen))
+    {
+	case MLINE: buf[0] = 'V'; break;
+	case MCHAR: buf[0] = 'v'; break;
+	case MBLOCK:
+		buf[0] = Ctrl_V;
+		sprintf((char *)buf + 1, "%ld", reglen + 1);
+		break;
+    }
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = vim_strsave(buf);
+}
+
+/*
+ * "gettabvar()" function
+ */
+    static void
+f_gettabvar(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*oldcurwin;
+    tabpage_T	*tp, *oldtabpage;
+    dictitem_T	*v;
+    char_u	*varname;
+    int		done = FALSE;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    varname = get_tv_string_chk(&argvars[1]);
+    tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
+    if (tp != NULL && varname != NULL)
+    {
+	/* Set tp to be our tabpage, temporarily.  Also set the window to the
+	 * first window in the tabpage, otherwise the window is not valid. */
+	if (switch_win(&oldcurwin, &oldtabpage,
+		    tp->tp_firstwin == NULL ? firstwin : tp->tp_firstwin, tp, TRUE)
+									== OK)
+	{
+	    /* look up the variable */
+	    /* Let gettabvar({nr}, "") return the "t:" dictionary. */
+	    v = find_var_in_ht(&tp->tp_vars->dv_hashtab, 't', varname, FALSE);
+	    if (v != NULL)
+	    {
+		copy_tv(&v->di_tv, rettv);
+		done = TRUE;
+	    }
+	}
+
+	/* restore previous notion of curwin */
+	restore_win(oldcurwin, oldtabpage, TRUE);
+    }
+
+    if (!done && argvars[2].v_type != VAR_UNKNOWN)
+	copy_tv(&argvars[2], rettv);
+}
+
+/*
+ * "gettabwinvar()" function
+ */
+    static void
+f_gettabwinvar(typval_T *argvars, typval_T *rettv)
+{
+    getwinvar(argvars, rettv, 1);
+}
+
+/*
+ * "getwinposx()" function
+ */
+    static void
+f_getwinposx(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = -1;
+#ifdef FEAT_GUI
+    if (gui.in_use)
+    {
+	int	    x, y;
+
+	if (gui_mch_get_winpos(&x, &y) == OK)
+	    rettv->vval.v_number = x;
+    }
+#endif
+}
+
+/*
+ * "win_findbuf()" function
+ */
+    static void
+f_win_findbuf(typval_T *argvars, typval_T *rettv)
+{
+    if (rettv_list_alloc(rettv) != FAIL)
+	win_findbuf(argvars, rettv->vval.v_list);
+}
+
+/*
+ * "win_getid()" function
+ */
+    static void
+f_win_getid(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = win_getid(argvars);
+}
+
+/*
+ * "win_gotoid()" function
+ */
+    static void
+f_win_gotoid(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = win_gotoid(argvars);
+}
+
+/*
+ * "win_id2tabwin()" function
+ */
+    static void
+f_win_id2tabwin(typval_T *argvars, typval_T *rettv)
+{
+    if (rettv_list_alloc(rettv) != FAIL)
+	win_id2tabwin(argvars, rettv->vval.v_list);
+}
+
+/*
+ * "win_id2win()" function
+ */
+    static void
+f_win_id2win(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = win_id2win(argvars);
+}
+
+/*
+ * "getwinposy()" function
+ */
+    static void
+f_getwinposy(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = -1;
+#ifdef FEAT_GUI
+    if (gui.in_use)
+    {
+	int	    x, y;
+
+	if (gui_mch_get_winpos(&x, &y) == OK)
+	    rettv->vval.v_number = y;
+    }
+#endif
+}
+
+/*
+ * "getwinvar()" function
+ */
+    static void
+f_getwinvar(typval_T *argvars, typval_T *rettv)
+{
+    getwinvar(argvars, rettv, 0);
+}
+
+/*
+ * "glob()" function
+ */
+    static void
+f_glob(typval_T *argvars, typval_T *rettv)
+{
+    int		options = WILD_SILENT|WILD_USE_NL;
+    expand_T	xpc;
+    int		error = FALSE;
+
+    /* When the optional second argument is non-zero, don't remove matches
+     * for 'wildignore' and don't put matches for 'suffixes' at the end. */
+    rettv->v_type = VAR_STRING;
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	if (get_tv_number_chk(&argvars[1], &error))
+	    options |= WILD_KEEP_ALL;
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	{
+	    if (get_tv_number_chk(&argvars[2], &error))
+	    {
+		rettv->v_type = VAR_LIST;
+		rettv->vval.v_list = NULL;
+	    }
+	    if (argvars[3].v_type != VAR_UNKNOWN
+				    && get_tv_number_chk(&argvars[3], &error))
+		options |= WILD_ALLLINKS;
+	}
+    }
+    if (!error)
+    {
+	ExpandInit(&xpc);
+	xpc.xp_context = EXPAND_FILES;
+	if (p_wic)
+	    options += WILD_ICASE;
+	if (rettv->v_type == VAR_STRING)
+	    rettv->vval.v_string = ExpandOne(&xpc, get_tv_string(&argvars[0]),
+						     NULL, options, WILD_ALL);
+	else if (rettv_list_alloc(rettv) != FAIL)
+	{
+	  int i;
+
+	  ExpandOne(&xpc, get_tv_string(&argvars[0]),
+						NULL, options, WILD_ALL_KEEP);
+	  for (i = 0; i < xpc.xp_numfiles; i++)
+	      list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
+
+	  ExpandCleanup(&xpc);
+	}
+    }
+    else
+	rettv->vval.v_string = NULL;
+}
+
+/*
+ * "globpath()" function
+ */
+    static void
+f_globpath(typval_T *argvars, typval_T *rettv)
+{
+    int		flags = 0;
+    char_u	buf1[NUMBUFLEN];
+    char_u	*file = get_tv_string_buf_chk(&argvars[1], buf1);
+    int		error = FALSE;
+    garray_T	ga;
+    int		i;
+
+    /* When the optional second argument is non-zero, don't remove matches
+    * for 'wildignore' and don't put matches for 'suffixes' at the end. */
+    rettv->v_type = VAR_STRING;
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	if (get_tv_number_chk(&argvars[2], &error))
+	    flags |= WILD_KEEP_ALL;
+	if (argvars[3].v_type != VAR_UNKNOWN)
+	{
+	    if (get_tv_number_chk(&argvars[3], &error))
+	    {
+		rettv->v_type = VAR_LIST;
+		rettv->vval.v_list = NULL;
+	    }
+	    if (argvars[4].v_type != VAR_UNKNOWN
+				    && get_tv_number_chk(&argvars[4], &error))
+		flags |= WILD_ALLLINKS;
+	}
+    }
+    if (file != NULL && !error)
+    {
+	ga_init2(&ga, (int)sizeof(char_u *), 10);
+	globpath(get_tv_string(&argvars[0]), file, &ga, flags);
+	if (rettv->v_type == VAR_STRING)
+	    rettv->vval.v_string = ga_concat_strings(&ga, "\n");
+	else if (rettv_list_alloc(rettv) != FAIL)
+	    for (i = 0; i < ga.ga_len; ++i)
+		list_append_string(rettv->vval.v_list,
+					    ((char_u **)(ga.ga_data))[i], -1);
+	ga_clear_strings(&ga);
+    }
+    else
+	rettv->vval.v_string = NULL;
+}
+
+/*
+ * "glob2regpat()" function
+ */
+    static void
+f_glob2regpat(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*pat = get_tv_string_chk(&argvars[0]);
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = (pat == NULL)
+			 ? NULL : file_pat_to_reg_pat(pat, NULL, NULL, FALSE);
+}
+
+/* for VIM_VERSION_ defines */
+#include "version.h"
+
+/*
+ * "has()" function
+ */
+    static void
+f_has(typval_T *argvars, typval_T *rettv)
+{
+    int		i;
+    char_u	*name;
+    int		n = FALSE;
+    static char	*(has_list[]) =
+    {
+#ifdef AMIGA
+	"amiga",
+# ifdef FEAT_ARP
+	"arp",
+# endif
+#endif
+#ifdef __BEOS__
+	"beos",
+#endif
+#ifdef MACOS
+	"mac",
+#endif
+#if defined(MACOS_X_UNIX)
+	"macunix",  /* built with 'darwin' enabled */
+#endif
+#if defined(__APPLE__) && __APPLE__ == 1
+	"osx",	    /* built with or without 'darwin' enabled */
+#endif
+#ifdef __QNX__
+	"qnx",
+#endif
+#ifdef UNIX
+	"unix",
+#endif
+#ifdef VMS
+	"vms",
+#endif
+#ifdef WIN32
+	"win32",
+#endif
+#if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
+	"win32unix",
+#endif
+#if defined(WIN64) || defined(_WIN64)
+	"win64",
+#endif
+#ifdef EBCDIC
+	"ebcdic",
+#endif
+#ifndef CASE_INSENSITIVE_FILENAME
+	"fname_case",
+#endif
+#ifdef HAVE_ACL
+	"acl",
+#endif
+#ifdef FEAT_ARABIC
+	"arabic",
+#endif
+#ifdef FEAT_AUTOCMD
+	"autocmd",
+#endif
+#ifdef FEAT_BEVAL
+	"balloon_eval",
+# ifndef FEAT_GUI_W32 /* other GUIs always have multiline balloons */
+	"balloon_multiline",
+# endif
+#endif
+#if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
+	"builtin_terms",
+# ifdef ALL_BUILTIN_TCAPS
+	"all_builtin_terms",
+# endif
+#endif
+#if defined(FEAT_BROWSE) && (defined(USE_FILE_CHOOSER) \
+	|| defined(FEAT_GUI_W32) \
+	|| defined(FEAT_GUI_MOTIF))
+	"browsefilter",
+#endif
+#ifdef FEAT_BYTEOFF
+	"byte_offset",
+#endif
+#ifdef FEAT_JOB_CHANNEL
+	"channel",
+#endif
+#ifdef FEAT_CINDENT
+	"cindent",
+#endif
+#ifdef FEAT_CLIENTSERVER
+	"clientserver",
+#endif
+#ifdef FEAT_CLIPBOARD
+	"clipboard",
+#endif
+#ifdef FEAT_CMDL_COMPL
+	"cmdline_compl",
+#endif
+#ifdef FEAT_CMDHIST
+	"cmdline_hist",
+#endif
+#ifdef FEAT_COMMENTS
+	"comments",
+#endif
+#ifdef FEAT_CONCEAL
+	"conceal",
+#endif
+#ifdef FEAT_CRYPT
+	"cryptv",
+	"crypt-blowfish",
+	"crypt-blowfish2",
+#endif
+#ifdef FEAT_CSCOPE
+	"cscope",
+#endif
+#ifdef FEAT_CURSORBIND
+	"cursorbind",
+#endif
+#ifdef CURSOR_SHAPE
+	"cursorshape",
+#endif
+#ifdef DEBUG
+	"debug",
+#endif
+#ifdef FEAT_CON_DIALOG
+	"dialog_con",
+#endif
+#ifdef FEAT_GUI_DIALOG
+	"dialog_gui",
+#endif
+#ifdef FEAT_DIFF
+	"diff",
+#endif
+#ifdef FEAT_DIGRAPHS
+	"digraphs",
+#endif
+#ifdef FEAT_DIRECTX
+	"directx",
+#endif
+#ifdef FEAT_DND
+	"dnd",
+#endif
+#ifdef FEAT_EMACS_TAGS
+	"emacs_tags",
+#endif
+	"eval",	    /* always present, of course! */
+	"ex_extra", /* graduated feature */
+#ifdef FEAT_SEARCH_EXTRA
+	"extra_search",
+#endif
+#ifdef FEAT_FKMAP
+	"farsi",
+#endif
+#ifdef FEAT_SEARCHPATH
+	"file_in_path",
+#endif
+#ifdef FEAT_FILTERPIPE
+	"filterpipe",
+#endif
+#ifdef FEAT_FIND_ID
+	"find_in_path",
+#endif
+#ifdef FEAT_FLOAT
+	"float",
+#endif
+#ifdef FEAT_FOLDING
+	"folding",
+#endif
+#ifdef FEAT_FOOTER
+	"footer",
+#endif
+#if !defined(USE_SYSTEM) && defined(UNIX)
+	"fork",
+#endif
+#ifdef FEAT_GETTEXT
+	"gettext",
+#endif
+#ifdef FEAT_GUI
+	"gui",
+#endif
+#ifdef FEAT_GUI_ATHENA
+# ifdef FEAT_GUI_NEXTAW
+	"gui_neXtaw",
+# else
+	"gui_athena",
+# endif
+#endif
+#ifdef FEAT_GUI_GTK
+	"gui_gtk",
+# ifdef USE_GTK3
+	"gui_gtk3",
+# else
+	"gui_gtk2",
+# endif
+#endif
+#ifdef FEAT_GUI_GNOME
+	"gui_gnome",
+#endif
+#ifdef FEAT_GUI_MAC
+	"gui_mac",
+#endif
+#ifdef FEAT_GUI_MOTIF
+	"gui_motif",
+#endif
+#ifdef FEAT_GUI_PHOTON
+	"gui_photon",
+#endif
+#ifdef FEAT_GUI_W32
+	"gui_win32",
+#endif
+#ifdef FEAT_HANGULIN
+	"hangul_input",
+#endif
+#if defined(HAVE_ICONV_H) && defined(USE_ICONV)
+	"iconv",
+#endif
+#ifdef FEAT_INS_EXPAND
+	"insert_expand",
+#endif
+#ifdef FEAT_JOB_CHANNEL
+	"job",
+#endif
+#ifdef FEAT_JUMPLIST
+	"jumplist",
+#endif
+#ifdef FEAT_KEYMAP
+	"keymap",
+#endif
+#ifdef FEAT_LANGMAP
+	"langmap",
+#endif
+#ifdef FEAT_LIBCALL
+	"libcall",
+#endif
+#ifdef FEAT_LINEBREAK
+	"linebreak",
+#endif
+#ifdef FEAT_LISP
+	"lispindent",
+#endif
+#ifdef FEAT_LISTCMDS
+	"listcmds",
+#endif
+#ifdef FEAT_LOCALMAP
+	"localmap",
+#endif
+#ifdef FEAT_LUA
+# ifndef DYNAMIC_LUA
+	"lua",
+# endif
+#endif
+#ifdef FEAT_MENU
+	"menu",
+#endif
+#ifdef FEAT_SESSION
+	"mksession",
+#endif
+#ifdef FEAT_MODIFY_FNAME
+	"modify_fname",
+#endif
+#ifdef FEAT_MOUSE
+	"mouse",
+#endif
+#ifdef FEAT_MOUSESHAPE
+	"mouseshape",
+#endif
+#if defined(UNIX) || defined(VMS)
+# ifdef FEAT_MOUSE_DEC
+	"mouse_dec",
+# endif
+# ifdef FEAT_MOUSE_GPM
+	"mouse_gpm",
+# endif
+# ifdef FEAT_MOUSE_JSB
+	"mouse_jsbterm",
+# endif
+# ifdef FEAT_MOUSE_NET
+	"mouse_netterm",
+# endif
+# ifdef FEAT_MOUSE_PTERM
+	"mouse_pterm",
+# endif
+# ifdef FEAT_MOUSE_SGR
+	"mouse_sgr",
+# endif
+# ifdef FEAT_SYSMOUSE
+	"mouse_sysmouse",
+# endif
+# ifdef FEAT_MOUSE_URXVT
+	"mouse_urxvt",
+# endif
+# ifdef FEAT_MOUSE_XTERM
+	"mouse_xterm",
+# endif
+#endif
+#ifdef FEAT_MBYTE
+	"multi_byte",
+#endif
+#ifdef FEAT_MBYTE_IME
+	"multi_byte_ime",
+#endif
+#ifdef FEAT_MULTI_LANG
+	"multi_lang",
+#endif
+#ifdef FEAT_MZSCHEME
+#ifndef DYNAMIC_MZSCHEME
+	"mzscheme",
+#endif
+#endif
+#ifdef FEAT_NUM64
+	"num64",
+#endif
+#ifdef FEAT_OLE
+	"ole",
+#endif
+	"packages",
+#ifdef FEAT_PATH_EXTRA
+	"path_extra",
+#endif
+#ifdef FEAT_PERL
+#ifndef DYNAMIC_PERL
+	"perl",
+#endif
+#endif
+#ifdef FEAT_PERSISTENT_UNDO
+	"persistent_undo",
+#endif
+#ifdef FEAT_PYTHON
+#ifndef DYNAMIC_PYTHON
+	"python",
+#endif
+#endif
+#ifdef FEAT_PYTHON3
+#ifndef DYNAMIC_PYTHON3
+	"python3",
+#endif
+#endif
+#ifdef FEAT_POSTSCRIPT
+	"postscript",
+#endif
+#ifdef FEAT_PRINTER
+	"printer",
+#endif
+#ifdef FEAT_PROFILE
+	"profile",
+#endif
+#ifdef FEAT_RELTIME
+	"reltime",
+#endif
+#ifdef FEAT_QUICKFIX
+	"quickfix",
+#endif
+#ifdef FEAT_RIGHTLEFT
+	"rightleft",
+#endif
+#if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
+	"ruby",
+#endif
+#ifdef FEAT_SCROLLBIND
+	"scrollbind",
+#endif
+#ifdef FEAT_CMDL_INFO
+	"showcmd",
+	"cmdline_info",
+#endif
+#ifdef FEAT_SIGNS
+	"signs",
+#endif
+#ifdef FEAT_SMARTINDENT
+	"smartindent",
+#endif
+#ifdef STARTUPTIME
+	"startuptime",
+#endif
+#ifdef FEAT_STL_OPT
+	"statusline",
+#endif
+#ifdef FEAT_SUN_WORKSHOP
+	"sun_workshop",
+#endif
+#ifdef FEAT_NETBEANS_INTG
+	"netbeans_intg",
+#endif
+#ifdef FEAT_SPELL
+	"spell",
+#endif
+#ifdef FEAT_SYN_HL
+	"syntax",
+#endif
+#if defined(USE_SYSTEM) || !defined(UNIX)
+	"system",
+#endif
+#ifdef FEAT_TAG_BINS
+	"tag_binary",
+#endif
+#ifdef FEAT_TAG_OLDSTATIC
+	"tag_old_static",
+#endif
+#ifdef FEAT_TAG_ANYWHITE
+	"tag_any_white",
+#endif
+#ifdef FEAT_TCL
+# ifndef DYNAMIC_TCL
+	"tcl",
+# endif
+#endif
+#ifdef FEAT_TERMGUICOLORS
+	"termguicolors",
+#endif
+#ifdef TERMINFO
+	"terminfo",
+#endif
+#ifdef FEAT_TERMRESPONSE
+	"termresponse",
+#endif
+#ifdef FEAT_TEXTOBJ
+	"textobjects",
+#endif
+#ifdef HAVE_TGETENT
+	"tgetent",
+#endif
+#ifdef FEAT_TIMERS
+	"timers",
+#endif
+#ifdef FEAT_TITLE
+	"title",
+#endif
+#ifdef FEAT_TOOLBAR
+	"toolbar",
+#endif
+#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
+	"unnamedplus",
+#endif
+#ifdef FEAT_USR_CMDS
+	"user-commands",    /* was accidentally included in 5.4 */
+	"user_commands",
+#endif
+#ifdef FEAT_VIMINFO
+	"viminfo",
+#endif
+#ifdef FEAT_WINDOWS
+	"vertsplit",
+#endif
+#ifdef FEAT_VIRTUALEDIT
+	"virtualedit",
+#endif
+	"visual",
+#ifdef FEAT_VISUALEXTRA
+	"visualextra",
+#endif
+#ifdef FEAT_VREPLACE
+	"vreplace",
+#endif
+#ifdef FEAT_WILDIGN
+	"wildignore",
+#endif
+#ifdef FEAT_WILDMENU
+	"wildmenu",
+#endif
+#ifdef FEAT_WINDOWS
+	"windows",
+#endif
+#ifdef FEAT_WAK
+	"winaltkeys",
+#endif
+#ifdef FEAT_WRITEBACKUP
+	"writebackup",
+#endif
+#ifdef FEAT_XIM
+	"xim",
+#endif
+#ifdef FEAT_XFONTSET
+	"xfontset",
+#endif
+#ifdef FEAT_XPM_W32
+	"xpm",
+	"xpm_w32",	/* for backward compatibility */
+#else
+# if defined(HAVE_XPM)
+	"xpm",
+# endif
+#endif
+#ifdef USE_XSMP
+	"xsmp",
+#endif
+#ifdef USE_XSMP_INTERACT
+	"xsmp_interact",
+#endif
+#ifdef FEAT_XCLIPBOARD
+	"xterm_clipboard",
+#endif
+#ifdef FEAT_XTERM_SAVE
+	"xterm_save",
+#endif
+#if defined(UNIX) && defined(FEAT_X11)
+	"X11",
+#endif
+	NULL
+    };
+
+    name = get_tv_string(&argvars[0]);
+    for (i = 0; has_list[i] != NULL; ++i)
+	if (STRICMP(name, has_list[i]) == 0)
+	{
+	    n = TRUE;
+	    break;
+	}
+
+    if (n == FALSE)
+    {
+	if (STRNICMP(name, "patch", 5) == 0)
+	{
+	    if (name[5] == '-'
+		    && STRLEN(name) >= 11
+		    && vim_isdigit(name[6])
+		    && vim_isdigit(name[8])
+		    && vim_isdigit(name[10]))
+	    {
+		int major = atoi((char *)name + 6);
+		int minor = atoi((char *)name + 8);
+
+		/* Expect "patch-9.9.01234". */
+		n = (major < VIM_VERSION_MAJOR
+		     || (major == VIM_VERSION_MAJOR
+			 && (minor < VIM_VERSION_MINOR
+			     || (minor == VIM_VERSION_MINOR
+				 && has_patch(atoi((char *)name + 10))))));
+	    }
+	    else
+		n = has_patch(atoi((char *)name + 5));
+	}
+	else if (STRICMP(name, "vim_starting") == 0)
+	    n = (starting != 0);
+#ifdef FEAT_MBYTE
+	else if (STRICMP(name, "multi_byte_encoding") == 0)
+	    n = has_mbyte;
+#endif
+#if defined(FEAT_BEVAL) && defined(FEAT_GUI_W32)
+	else if (STRICMP(name, "balloon_multiline") == 0)
+	    n = multiline_balloon_available();
+#endif
+#ifdef DYNAMIC_TCL
+	else if (STRICMP(name, "tcl") == 0)
+	    n = tcl_enabled(FALSE);
+#endif
+#if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
+	else if (STRICMP(name, "iconv") == 0)
+	    n = iconv_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_LUA
+	else if (STRICMP(name, "lua") == 0)
+	    n = lua_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_MZSCHEME
+	else if (STRICMP(name, "mzscheme") == 0)
+	    n = mzscheme_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_RUBY
+	else if (STRICMP(name, "ruby") == 0)
+	    n = ruby_enabled(FALSE);
+#endif
+#ifdef FEAT_PYTHON
+#ifdef DYNAMIC_PYTHON
+	else if (STRICMP(name, "python") == 0)
+	    n = python_enabled(FALSE);
+#endif
+#endif
+#ifdef FEAT_PYTHON3
+#ifdef DYNAMIC_PYTHON3
+	else if (STRICMP(name, "python3") == 0)
+	    n = python3_enabled(FALSE);
+#endif
+#endif
+#ifdef DYNAMIC_PERL
+	else if (STRICMP(name, "perl") == 0)
+	    n = perl_enabled(FALSE);
+#endif
+#ifdef FEAT_GUI
+	else if (STRICMP(name, "gui_running") == 0)
+	    n = (gui.in_use || gui.starting);
+# ifdef FEAT_GUI_W32
+	else if (STRICMP(name, "gui_win32s") == 0)
+	    n = gui_is_win32s();
+# endif
+# ifdef FEAT_BROWSE
+	else if (STRICMP(name, "browse") == 0)
+	    n = gui.in_use;	/* gui_mch_browse() works when GUI is running */
+# endif
+#endif
+#ifdef FEAT_SYN_HL
+	else if (STRICMP(name, "syntax_items") == 0)
+	    n = syntax_present(curwin);
+#endif
+#if defined(WIN3264)
+	else if (STRICMP(name, "win95") == 0)
+	    n = mch_windows95();
+#endif
+#ifdef FEAT_NETBEANS_INTG
+	else if (STRICMP(name, "netbeans_enabled") == 0)
+	    n = netbeans_active();
+#endif
+    }
+
+    rettv->vval.v_number = n;
+}
+
+/*
+ * "has_key()" function
+ */
+    static void
+f_has_key(typval_T *argvars, typval_T *rettv)
+{
+    if (argvars[0].v_type != VAR_DICT)
+    {
+	EMSG(_(e_dictreq));
+	return;
+    }
+    if (argvars[0].vval.v_dict == NULL)
+	return;
+
+    rettv->vval.v_number = dict_find(argvars[0].vval.v_dict,
+				      get_tv_string(&argvars[1]), -1) != NULL;
+}
+
+/*
+ * "haslocaldir()" function
+ */
+    static void
+f_haslocaldir(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*wp = NULL;
+
+    wp = find_tabwin(&argvars[0], &argvars[1]);
+    rettv->vval.v_number = (wp != NULL && wp->w_localdir != NULL);
+}
+
+/*
+ * "hasmapto()" function
+ */
+    static void
+f_hasmapto(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*name;
+    char_u	*mode;
+    char_u	buf[NUMBUFLEN];
+    int		abbr = FALSE;
+
+    name = get_tv_string(&argvars[0]);
+    if (argvars[1].v_type == VAR_UNKNOWN)
+	mode = (char_u *)"nvo";
+    else
+    {
+	mode = get_tv_string_buf(&argvars[1], buf);
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    abbr = (int)get_tv_number(&argvars[2]);
+    }
+
+    if (map_to_exists(name, mode, abbr))
+	rettv->vval.v_number = TRUE;
+    else
+	rettv->vval.v_number = FALSE;
+}
+
+/*
+ * "histadd()" function
+ */
+    static void
+f_histadd(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_CMDHIST
+    int		histype;
+    char_u	*str;
+    char_u	buf[NUMBUFLEN];
+#endif
+
+    rettv->vval.v_number = FALSE;
+    if (check_restricted() || check_secure())
+	return;
+#ifdef FEAT_CMDHIST
+    str = get_tv_string_chk(&argvars[0]);	/* NULL on type error */
+    histype = str != NULL ? get_histtype(str) : -1;
+    if (histype >= 0)
+    {
+	str = get_tv_string_buf(&argvars[1], buf);
+	if (*str != NUL)
+	{
+	    init_history();
+	    add_to_history(histype, str, FALSE, NUL);
+	    rettv->vval.v_number = TRUE;
+	    return;
+	}
+    }
+#endif
+}
+
+/*
+ * "histdel()" function
+ */
+    static void
+f_histdel(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_CMDHIST
+    int		n;
+    char_u	buf[NUMBUFLEN];
+    char_u	*str;
+
+    str = get_tv_string_chk(&argvars[0]);	/* NULL on type error */
+    if (str == NULL)
+	n = 0;
+    else if (argvars[1].v_type == VAR_UNKNOWN)
+	/* only one argument: clear entire history */
+	n = clr_history(get_histtype(str));
+    else if (argvars[1].v_type == VAR_NUMBER)
+	/* index given: remove that entry */
+	n = del_history_idx(get_histtype(str),
+					  (int)get_tv_number(&argvars[1]));
+    else
+	/* string given: remove all matching entries */
+	n = del_history_entry(get_histtype(str),
+				      get_tv_string_buf(&argvars[1], buf));
+    rettv->vval.v_number = n;
+#endif
+}
+
+/*
+ * "histget()" function
+ */
+    static void
+f_histget(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_CMDHIST
+    int		type;
+    int		idx;
+    char_u	*str;
+
+    str = get_tv_string_chk(&argvars[0]);	/* NULL on type error */
+    if (str == NULL)
+	rettv->vval.v_string = NULL;
+    else
+    {
+	type = get_histtype(str);
+	if (argvars[1].v_type == VAR_UNKNOWN)
+	    idx = get_history_idx(type);
+	else
+	    idx = (int)get_tv_number_chk(&argvars[1], NULL);
+						    /* -1 on type error */
+	rettv->vval.v_string = vim_strsave(get_history_entry(type, idx));
+    }
+#else
+    rettv->vval.v_string = NULL;
+#endif
+    rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "histnr()" function
+ */
+    static void
+f_histnr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		i;
+
+#ifdef FEAT_CMDHIST
+    char_u	*history = get_tv_string_chk(&argvars[0]);
+
+    i = history == NULL ? HIST_CMD - 1 : get_histtype(history);
+    if (i >= HIST_CMD && i < HIST_COUNT)
+	i = get_history_idx(i);
+    else
+#endif
+	i = -1;
+    rettv->vval.v_number = i;
+}
+
+/*
+ * "highlightID(name)" function
+ */
+    static void
+f_hlID(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = syn_name2id(get_tv_string(&argvars[0]));
+}
+
+/*
+ * "highlight_exists()" function
+ */
+    static void
+f_hlexists(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = highlight_exists(get_tv_string(&argvars[0]));
+}
+
+/*
+ * "hostname()" function
+ */
+    static void
+f_hostname(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    char_u hostname[256];
+
+    mch_get_host_name(hostname, 256);
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = vim_strsave(hostname);
+}
+
+/*
+ * iconv() function
+ */
+    static void
+f_iconv(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_MBYTE
+    char_u	buf1[NUMBUFLEN];
+    char_u	buf2[NUMBUFLEN];
+    char_u	*from, *to, *str;
+    vimconv_T	vimconv;
+#endif
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+#ifdef FEAT_MBYTE
+    str = get_tv_string(&argvars[0]);
+    from = enc_canonize(enc_skip(get_tv_string_buf(&argvars[1], buf1)));
+    to = enc_canonize(enc_skip(get_tv_string_buf(&argvars[2], buf2)));
+    vimconv.vc_type = CONV_NONE;
+    convert_setup(&vimconv, from, to);
+
+    /* If the encodings are equal, no conversion needed. */
+    if (vimconv.vc_type == CONV_NONE)
+	rettv->vval.v_string = vim_strsave(str);
+    else
+	rettv->vval.v_string = string_convert(&vimconv, str, NULL);
+
+    convert_setup(&vimconv, NULL, NULL);
+    vim_free(from);
+    vim_free(to);
+#endif
+}
+
+/*
+ * "indent()" function
+ */
+    static void
+f_indent(typval_T *argvars, typval_T *rettv)
+{
+    linenr_T	lnum;
+
+    lnum = get_tv_lnum(argvars);
+    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
+	rettv->vval.v_number = get_indent_lnum(lnum);
+    else
+	rettv->vval.v_number = -1;
+}
+
+/*
+ * "index()" function
+ */
+    static void
+f_index(typval_T *argvars, typval_T *rettv)
+{
+    list_T	*l;
+    listitem_T	*item;
+    long	idx = 0;
+    int		ic = FALSE;
+
+    rettv->vval.v_number = -1;
+    if (argvars[0].v_type != VAR_LIST)
+    {
+	EMSG(_(e_listreq));
+	return;
+    }
+    l = argvars[0].vval.v_list;
+    if (l != NULL)
+    {
+	item = l->lv_first;
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	{
+	    int		error = FALSE;
+
+	    /* Start at specified item.  Use the cached index that list_find()
+	     * sets, so that a negative number also works. */
+	    item = list_find(l, (long)get_tv_number_chk(&argvars[2], &error));
+	    idx = l->lv_idx;
+	    if (argvars[3].v_type != VAR_UNKNOWN)
+		ic = (int)get_tv_number_chk(&argvars[3], &error);
+	    if (error)
+		item = NULL;
+	}
+
+	for ( ; item != NULL; item = item->li_next, ++idx)
+	    if (tv_equal(&item->li_tv, &argvars[1], ic, FALSE))
+	    {
+		rettv->vval.v_number = idx;
+		break;
+	    }
+    }
+}
+
+static int inputsecret_flag = 0;
+
+/*
+ * "input()" function
+ *     Also handles inputsecret() when inputsecret is set.
+ */
+    static void
+f_input(typval_T *argvars, typval_T *rettv)
+{
+    get_user_input(argvars, rettv, FALSE, inputsecret_flag);
+}
+
+/*
+ * "inputdialog()" function
+ */
+    static void
+f_inputdialog(typval_T *argvars, typval_T *rettv)
+{
+#if defined(FEAT_GUI_TEXTDIALOG)
+    /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
+    if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
+    {
+	char_u	*message;
+	char_u	buf[NUMBUFLEN];
+	char_u	*defstr = (char_u *)"";
+
+	message = get_tv_string_chk(&argvars[0]);
+	if (argvars[1].v_type != VAR_UNKNOWN
+		&& (defstr = get_tv_string_buf_chk(&argvars[1], buf)) != NULL)
+	    vim_strncpy(IObuff, defstr, IOSIZE - 1);
+	else
+	    IObuff[0] = NUL;
+	if (message != NULL && defstr != NULL
+		&& do_dialog(VIM_QUESTION, NULL, message,
+			  (char_u *)_("&OK\n&Cancel"), 1, IObuff, FALSE) == 1)
+	    rettv->vval.v_string = vim_strsave(IObuff);
+	else
+	{
+	    if (message != NULL && defstr != NULL
+					&& argvars[1].v_type != VAR_UNKNOWN
+					&& argvars[2].v_type != VAR_UNKNOWN)
+		rettv->vval.v_string = vim_strsave(
+				      get_tv_string_buf(&argvars[2], buf));
+	    else
+		rettv->vval.v_string = NULL;
+	}
+	rettv->v_type = VAR_STRING;
+    }
+    else
+#endif
+	get_user_input(argvars, rettv, TRUE, inputsecret_flag);
+}
+
+/*
+ * "inputlist()" function
+ */
+    static void
+f_inputlist(typval_T *argvars, typval_T *rettv)
+{
+    listitem_T	*li;
+    int		selected;
+    int		mouse_used;
+
+#ifdef NO_CONSOLE_INPUT
+    /* While starting up, there is no place to enter text. */
+    if (no_console_input())
+	return;
+#endif
+    if (argvars[0].v_type != VAR_LIST || argvars[0].vval.v_list == NULL)
+    {
+	EMSG2(_(e_listarg), "inputlist()");
+	return;
+    }
+
+    msg_start();
+    msg_row = Rows - 1;	/* for when 'cmdheight' > 1 */
+    lines_left = Rows;	/* avoid more prompt */
+    msg_scroll = TRUE;
+    msg_clr_eos();
+
+    for (li = argvars[0].vval.v_list->lv_first; li != NULL; li = li->li_next)
+    {
+	msg_puts(get_tv_string(&li->li_tv));
+	msg_putchar('\n');
+    }
+
+    /* Ask for choice. */
+    selected = prompt_for_number(&mouse_used);
+    if (mouse_used)
+	selected -= lines_left;
+
+    rettv->vval.v_number = selected;
+}
+
+
+static garray_T	    ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
+
+/*
+ * "inputrestore()" function
+ */
+    static void
+f_inputrestore(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    if (ga_userinput.ga_len > 0)
+    {
+	--ga_userinput.ga_len;
+	restore_typeahead((tasave_T *)(ga_userinput.ga_data)
+						       + ga_userinput.ga_len);
+	/* default return is zero == OK */
+    }
+    else if (p_verbose > 1)
+    {
+	verb_msg((char_u *)_("called inputrestore() more often than inputsave()"));
+	rettv->vval.v_number = 1; /* Failed */
+    }
+}
+
+/*
+ * "inputsave()" function
+ */
+    static void
+f_inputsave(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    /* Add an entry to the stack of typeahead storage. */
+    if (ga_grow(&ga_userinput, 1) == OK)
+    {
+	save_typeahead((tasave_T *)(ga_userinput.ga_data)
+						       + ga_userinput.ga_len);
+	++ga_userinput.ga_len;
+	/* default return is zero == OK */
+    }
+    else
+	rettv->vval.v_number = 1; /* Failed */
+}
+
+/*
+ * "inputsecret()" function
+ */
+    static void
+f_inputsecret(typval_T *argvars, typval_T *rettv)
+{
+    ++cmdline_star;
+    ++inputsecret_flag;
+    f_input(argvars, rettv);
+    --cmdline_star;
+    --inputsecret_flag;
+}
+
+/*
+ * "insert()" function
+ */
+    static void
+f_insert(typval_T *argvars, typval_T *rettv)
+{
+    long	before = 0;
+    listitem_T	*item;
+    list_T	*l;
+    int		error = FALSE;
+
+    if (argvars[0].v_type != VAR_LIST)
+	EMSG2(_(e_listarg), "insert()");
+    else if ((l = argvars[0].vval.v_list) != NULL
+	    && !tv_check_lock(l->lv_lock, (char_u *)N_("insert() argument"), TRUE))
+    {
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    before = (long)get_tv_number_chk(&argvars[2], &error);
+	if (error)
+	    return;		/* type error; errmsg already given */
+
+	if (before == l->lv_len)
+	    item = NULL;
+	else
+	{
+	    item = list_find(l, before);
+	    if (item == NULL)
+	    {
+		EMSGN(_(e_listidx), before);
+		l = NULL;
+	    }
+	}
+	if (l != NULL)
+	{
+	    list_insert_tv(l, &argvars[1], item);
+	    copy_tv(&argvars[0], rettv);
+	}
+    }
+}
+
+/*
+ * "invert(expr)" function
+ */
+    static void
+f_invert(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = ~get_tv_number_chk(&argvars[0], NULL);
+}
+
+/*
+ * "isdirectory()" function
+ */
+    static void
+f_isdirectory(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = mch_isdir(get_tv_string(&argvars[0]));
+}
+
+/*
+ * Return TRUE if typeval "tv" is locked: Either that value is locked itself
+ * or it refers to a List or Dictionary that is locked.
+ */
+    static int
+tv_islocked(typval_T *tv)
+{
+    return (tv->v_lock & VAR_LOCKED)
+	|| (tv->v_type == VAR_LIST
+		&& tv->vval.v_list != NULL
+		&& (tv->vval.v_list->lv_lock & VAR_LOCKED))
+	|| (tv->v_type == VAR_DICT
+		&& tv->vval.v_dict != NULL
+		&& (tv->vval.v_dict->dv_lock & VAR_LOCKED));
+}
+
+/*
+ * "islocked()" function
+ */
+    static void
+f_islocked(typval_T *argvars, typval_T *rettv)
+{
+    lval_T	lv;
+    char_u	*end;
+    dictitem_T	*di;
+
+    rettv->vval.v_number = -1;
+    end = get_lval(get_tv_string(&argvars[0]), NULL, &lv, FALSE, FALSE,
+					GLV_NO_AUTOLOAD, FNE_CHECK_START);
+    if (end != NULL && lv.ll_name != NULL)
+    {
+	if (*end != NUL)
+	    EMSG(_(e_trailing));
+	else
+	{
+	    if (lv.ll_tv == NULL)
+	    {
+		if (check_changedtick(lv.ll_name))
+		    rettv->vval.v_number = 1;	    /* always locked */
+		else
+		{
+		    di = find_var(lv.ll_name, NULL, TRUE);
+		    if (di != NULL)
+		    {
+			/* Consider a variable locked when:
+			 * 1. the variable itself is locked
+			 * 2. the value of the variable is locked.
+			 * 3. the List or Dict value is locked.
+			 */
+			rettv->vval.v_number = ((di->di_flags & DI_FLAGS_LOCK)
+						  || tv_islocked(&di->di_tv));
+		    }
+		}
+	    }
+	    else if (lv.ll_range)
+		EMSG(_("E786: Range not allowed"));
+	    else if (lv.ll_newkey != NULL)
+		EMSG2(_(e_dictkey), lv.ll_newkey);
+	    else if (lv.ll_list != NULL)
+		/* List item. */
+		rettv->vval.v_number = tv_islocked(&lv.ll_li->li_tv);
+	    else
+		/* Dictionary item. */
+		rettv->vval.v_number = tv_islocked(&lv.ll_di->di_tv);
+	}
+    }
+
+    clear_lval(&lv);
+}
+
+#if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
+/*
+ * "isnan()" function
+ */
+    static void
+f_isnan(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = argvars[0].v_type == VAR_FLOAT
+					    && isnan(argvars[0].vval.v_float);
+}
+#endif
+
+/*
+ * "items(dict)" function
+ */
+    static void
+f_items(typval_T *argvars, typval_T *rettv)
+{
+    dict_list(argvars, rettv, 2);
+}
+
+#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
+/*
+ * Get the job from the argument.
+ * Returns NULL if the job is invalid.
+ */
+    static job_T *
+get_job_arg(typval_T *tv)
+{
+    job_T *job;
+
+    if (tv->v_type != VAR_JOB)
+    {
+	EMSG2(_(e_invarg2), get_tv_string(tv));
+	return NULL;
+    }
+    job = tv->vval.v_job;
+
+    if (job == NULL)
+	EMSG(_("E916: not a valid job"));
+    return job;
+}
+
+/*
+ * "job_getchannel()" function
+ */
+    static void
+f_job_getchannel(typval_T *argvars, typval_T *rettv)
+{
+    job_T	*job = get_job_arg(&argvars[0]);
+
+    if (job != NULL)
+    {
+	rettv->v_type = VAR_CHANNEL;
+	rettv->vval.v_channel = job->jv_channel;
+	if (job->jv_channel != NULL)
+	    ++job->jv_channel->ch_refcount;
+    }
+}
+
+/*
+ * "job_info()" function
+ */
+    static void
+f_job_info(typval_T *argvars, typval_T *rettv)
+{
+    job_T	*job = get_job_arg(&argvars[0]);
+
+    if (job != NULL && rettv_dict_alloc(rettv) != FAIL)
+	job_info(job, rettv->vval.v_dict);
+}
+
+/*
+ * "job_setoptions()" function
+ */
+    static void
+f_job_setoptions(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    job_T	*job = get_job_arg(&argvars[0]);
+    jobopt_T	opt;
+
+    if (job == NULL)
+	return;
+    clear_job_options(&opt);
+    if (get_job_options(&argvars[1], &opt, JO_STOPONEXIT + JO_EXIT_CB) == OK)
+	job_set_options(job, &opt);
+    free_job_options(&opt);
+}
+
+/*
+ * "job_start()" function
+ */
+    static void
+f_job_start(typval_T *argvars, typval_T *rettv)
+{
+    rettv->v_type = VAR_JOB;
+    if (check_restricted() || check_secure())
+	return;
+    rettv->vval.v_job = job_start(argvars);
+}
+
+/*
+ * "job_status()" function
+ */
+    static void
+f_job_status(typval_T *argvars, typval_T *rettv)
+{
+    job_T	*job = get_job_arg(&argvars[0]);
+
+    if (job != NULL)
+    {
+	rettv->v_type = VAR_STRING;
+	rettv->vval.v_string = vim_strsave((char_u *)job_status(job));
+    }
+}
+
+/*
+ * "job_stop()" function
+ */
+    static void
+f_job_stop(typval_T *argvars, typval_T *rettv)
+{
+    job_T	*job = get_job_arg(&argvars[0]);
+
+    if (job != NULL)
+	rettv->vval.v_number = job_stop(job, argvars);
+}
+#endif
+
+/*
+ * "join()" function
+ */
+    static void
+f_join(typval_T *argvars, typval_T *rettv)
+{
+    garray_T	ga;
+    char_u	*sep;
+
+    if (argvars[0].v_type != VAR_LIST)
+    {
+	EMSG(_(e_listreq));
+	return;
+    }
+    if (argvars[0].vval.v_list == NULL)
+	return;
+    if (argvars[1].v_type == VAR_UNKNOWN)
+	sep = (char_u *)" ";
+    else
+	sep = get_tv_string_chk(&argvars[1]);
+
+    rettv->v_type = VAR_STRING;
+
+    if (sep != NULL)
+    {
+	ga_init2(&ga, (int)sizeof(char), 80);
+	list_join(&ga, argvars[0].vval.v_list, sep, TRUE, FALSE, 0);
+	ga_append(&ga, NUL);
+	rettv->vval.v_string = (char_u *)ga.ga_data;
+    }
+    else
+	rettv->vval.v_string = NULL;
+}
+
+/*
+ * "js_decode()" function
+ */
+    static void
+f_js_decode(typval_T *argvars, typval_T *rettv)
+{
+    js_read_T	reader;
+
+    reader.js_buf = get_tv_string(&argvars[0]);
+    reader.js_fill = NULL;
+    reader.js_used = 0;
+    if (json_decode_all(&reader, rettv, JSON_JS) != OK)
+	EMSG(_(e_invarg));
+}
+
+/*
+ * "js_encode()" function
+ */
+    static void
+f_js_encode(typval_T *argvars, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = json_encode(&argvars[0], JSON_JS);
+}
+
+/*
+ * "json_decode()" function
+ */
+    static void
+f_json_decode(typval_T *argvars, typval_T *rettv)
+{
+    js_read_T	reader;
+
+    reader.js_buf = get_tv_string(&argvars[0]);
+    reader.js_fill = NULL;
+    reader.js_used = 0;
+    if (json_decode_all(&reader, rettv, 0) != OK)
+	EMSG(_(e_invarg));
+}
+
+/*
+ * "json_encode()" function
+ */
+    static void
+f_json_encode(typval_T *argvars, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = json_encode(&argvars[0], 0);
+}
+
+/*
+ * "keys()" function
+ */
+    static void
+f_keys(typval_T *argvars, typval_T *rettv)
+{
+    dict_list(argvars, rettv, 0);
+}
+
+/*
+ * "last_buffer_nr()" function.
+ */
+    static void
+f_last_buffer_nr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		n = 0;
+    buf_T	*buf;
+
+    for (buf = firstbuf; buf != NULL; buf = buf->b_next)
+	if (n < buf->b_fnum)
+	    n = buf->b_fnum;
+
+    rettv->vval.v_number = n;
+}
+
+/*
+ * "len()" function
+ */
+    static void
+f_len(typval_T *argvars, typval_T *rettv)
+{
+    switch (argvars[0].v_type)
+    {
+	case VAR_STRING:
+	case VAR_NUMBER:
+	    rettv->vval.v_number = (varnumber_T)STRLEN(
+					       get_tv_string(&argvars[0]));
+	    break;
+	case VAR_LIST:
+	    rettv->vval.v_number = list_len(argvars[0].vval.v_list);
+	    break;
+	case VAR_DICT:
+	    rettv->vval.v_number = dict_len(argvars[0].vval.v_dict);
+	    break;
+	case VAR_UNKNOWN:
+	case VAR_SPECIAL:
+	case VAR_FLOAT:
+	case VAR_FUNC:
+	case VAR_PARTIAL:
+	case VAR_JOB:
+	case VAR_CHANNEL:
+	    EMSG(_("E701: Invalid type for len()"));
+	    break;
+    }
+}
+
+static void libcall_common(typval_T *argvars, typval_T *rettv, int type);
+
+    static void
+libcall_common(typval_T *argvars, typval_T *rettv, int type)
+{
+#ifdef FEAT_LIBCALL
+    char_u		*string_in;
+    char_u		**string_result;
+    int			nr_result;
+#endif
+
+    rettv->v_type = type;
+    if (type != VAR_NUMBER)
+	rettv->vval.v_string = NULL;
+
+    if (check_restricted() || check_secure())
+	return;
+
+#ifdef FEAT_LIBCALL
+    /* The first two args must be strings, otherwise its meaningless */
+    if (argvars[0].v_type == VAR_STRING && argvars[1].v_type == VAR_STRING)
+    {
+	string_in = NULL;
+	if (argvars[2].v_type == VAR_STRING)
+	    string_in = argvars[2].vval.v_string;
+	if (type == VAR_NUMBER)
+	    string_result = NULL;
+	else
+	    string_result = &rettv->vval.v_string;
+	if (mch_libcall(argvars[0].vval.v_string,
+			     argvars[1].vval.v_string,
+			     string_in,
+			     argvars[2].vval.v_number,
+			     string_result,
+			     &nr_result) == OK
+		&& type == VAR_NUMBER)
+	    rettv->vval.v_number = nr_result;
+    }
+#endif
+}
+
+/*
+ * "libcall()" function
+ */
+    static void
+f_libcall(typval_T *argvars, typval_T *rettv)
+{
+    libcall_common(argvars, rettv, VAR_STRING);
+}
+
+/*
+ * "libcallnr()" function
+ */
+    static void
+f_libcallnr(typval_T *argvars, typval_T *rettv)
+{
+    libcall_common(argvars, rettv, VAR_NUMBER);
+}
+
+/*
+ * "line(string)" function
+ */
+    static void
+f_line(typval_T *argvars, typval_T *rettv)
+{
+    linenr_T	lnum = 0;
+    pos_T	*fp;
+    int		fnum;
+
+    fp = var2fpos(&argvars[0], TRUE, &fnum);
+    if (fp != NULL)
+	lnum = fp->lnum;
+    rettv->vval.v_number = lnum;
+}
+
+/*
+ * "line2byte(lnum)" function
+ */
+    static void
+f_line2byte(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifndef FEAT_BYTEOFF
+    rettv->vval.v_number = -1;
+#else
+    linenr_T	lnum;
+
+    lnum = get_tv_lnum(argvars);
+    if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
+	rettv->vval.v_number = -1;
+    else
+	rettv->vval.v_number = ml_find_line_or_offset(curbuf, lnum, NULL);
+    if (rettv->vval.v_number >= 0)
+	++rettv->vval.v_number;
+#endif
+}
+
+/*
+ * "lispindent(lnum)" function
+ */
+    static void
+f_lispindent(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_LISP
+    pos_T	pos;
+    linenr_T	lnum;
+
+    pos = curwin->w_cursor;
+    lnum = get_tv_lnum(argvars);
+    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count)
+    {
+	curwin->w_cursor.lnum = lnum;
+	rettv->vval.v_number = get_lisp_indent();
+	curwin->w_cursor = pos;
+    }
+    else
+#endif
+	rettv->vval.v_number = -1;
+}
+
+/*
+ * "localtime()" function
+ */
+    static void
+f_localtime(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = (varnumber_T)time(NULL);
+}
+
+static void get_maparg(typval_T *argvars, typval_T *rettv, int exact);
+
+    static void
+get_maparg(typval_T *argvars, typval_T *rettv, int exact)
+{
+    char_u	*keys;
+    char_u	*which;
+    char_u	buf[NUMBUFLEN];
+    char_u	*keys_buf = NULL;
+    char_u	*rhs;
+    int		mode;
+    int		abbr = FALSE;
+    int		get_dict = FALSE;
+    mapblock_T	*mp;
+    int		buffer_local;
+
+    /* return empty string for failure */
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    keys = get_tv_string(&argvars[0]);
+    if (*keys == NUL)
+	return;
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	which = get_tv_string_buf_chk(&argvars[1], buf);
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	{
+	    abbr = (int)get_tv_number(&argvars[2]);
+	    if (argvars[3].v_type != VAR_UNKNOWN)
+		get_dict = (int)get_tv_number(&argvars[3]);
+	}
+    }
+    else
+	which = (char_u *)"";
+    if (which == NULL)
+	return;
+
+    mode = get_map_mode(&which, 0);
+
+    keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE, FALSE);
+    rhs = check_map(keys, mode, exact, FALSE, abbr, &mp, &buffer_local);
+    vim_free(keys_buf);
+
+    if (!get_dict)
+    {
+	/* Return a string. */
+	if (rhs != NULL)
+	    rettv->vval.v_string = str2special_save(rhs, FALSE);
+
+    }
+    else if (rettv_dict_alloc(rettv) != FAIL && rhs != NULL)
+    {
+	/* Return a dictionary. */
+	char_u	    *lhs = str2special_save(mp->m_keys, TRUE);
+	char_u	    *mapmode = map_mode_to_chars(mp->m_mode);
+	dict_T	    *dict = rettv->vval.v_dict;
+
+	dict_add_nr_str(dict, "lhs",	 0L, lhs);
+	dict_add_nr_str(dict, "rhs",     0L, mp->m_orig_str);
+	dict_add_nr_str(dict, "noremap", mp->m_noremap ? 1L : 0L , NULL);
+	dict_add_nr_str(dict, "expr",    mp->m_expr    ? 1L : 0L, NULL);
+	dict_add_nr_str(dict, "silent",  mp->m_silent  ? 1L : 0L, NULL);
+	dict_add_nr_str(dict, "sid",     (long)mp->m_script_ID, NULL);
+	dict_add_nr_str(dict, "buffer",  (long)buffer_local, NULL);
+	dict_add_nr_str(dict, "nowait",  mp->m_nowait  ? 1L : 0L, NULL);
+	dict_add_nr_str(dict, "mode",    0L, mapmode);
+
+	vim_free(lhs);
+	vim_free(mapmode);
+    }
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "log()" function
+ */
+    static void
+f_log(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = log(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "log10()" function
+ */
+    static void
+f_log10(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = log10(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+#ifdef FEAT_LUA
+/*
+ * "luaeval()" function
+ */
+    static void
+f_luaeval(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*str;
+    char_u	buf[NUMBUFLEN];
+
+    str = get_tv_string_buf(&argvars[0], buf);
+    do_luaeval(str, argvars + 1, rettv);
+}
+#endif
+
+/*
+ * "map()" function
+ */
+    static void
+f_map(typval_T *argvars, typval_T *rettv)
+{
+    filter_map(argvars, rettv, TRUE);
+}
+
+/*
+ * "maparg()" function
+ */
+    static void
+f_maparg(typval_T *argvars, typval_T *rettv)
+{
+    get_maparg(argvars, rettv, TRUE);
+}
+
+/*
+ * "mapcheck()" function
+ */
+    static void
+f_mapcheck(typval_T *argvars, typval_T *rettv)
+{
+    get_maparg(argvars, rettv, FALSE);
+}
+
+static void find_some_match(typval_T *argvars, typval_T *rettv, int start);
+
+    static void
+find_some_match(typval_T *argvars, typval_T *rettv, int type)
+{
+    char_u	*str = NULL;
+    long	len = 0;
+    char_u	*expr = NULL;
+    char_u	*pat;
+    regmatch_T	regmatch;
+    char_u	patbuf[NUMBUFLEN];
+    char_u	strbuf[NUMBUFLEN];
+    char_u	*save_cpo;
+    long	start = 0;
+    long	nth = 1;
+    colnr_T	startcol = 0;
+    int		match = 0;
+    list_T	*l = NULL;
+    listitem_T	*li = NULL;
+    long	idx = 0;
+    char_u	*tofree = NULL;
+
+    /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
+    save_cpo = p_cpo;
+    p_cpo = (char_u *)"";
+
+    rettv->vval.v_number = -1;
+    if (type == 3 || type == 4)
+    {
+	/* type 3: return empty list when there are no matches.
+	 * type 4: return ["", -1, -1, -1] */
+	if (rettv_list_alloc(rettv) == FAIL)
+	    goto theend;
+	if (type == 4
+		&& (list_append_string(rettv->vval.v_list,
+					    (char_u *)"", 0) == FAIL
+		    || list_append_number(rettv->vval.v_list,
+					    (varnumber_T)-1) == FAIL
+		    || list_append_number(rettv->vval.v_list,
+					    (varnumber_T)-1) == FAIL
+		    || list_append_number(rettv->vval.v_list,
+					    (varnumber_T)-1) == FAIL))
+	{
+		list_free(rettv->vval.v_list);
+		rettv->vval.v_list = NULL;
+		goto theend;
+	}
+    }
+    else if (type == 2)
+    {
+	rettv->v_type = VAR_STRING;
+	rettv->vval.v_string = NULL;
+    }
+
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	if ((l = argvars[0].vval.v_list) == NULL)
+	    goto theend;
+	li = l->lv_first;
+    }
+    else
+    {
+	expr = str = get_tv_string(&argvars[0]);
+	len = (long)STRLEN(str);
+    }
+
+    pat = get_tv_string_buf_chk(&argvars[1], patbuf);
+    if (pat == NULL)
+	goto theend;
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	int	    error = FALSE;
+
+	start = (long)get_tv_number_chk(&argvars[2], &error);
+	if (error)
+	    goto theend;
+	if (l != NULL)
+	{
+	    li = list_find(l, start);
+	    if (li == NULL)
+		goto theend;
+	    idx = l->lv_idx;	/* use the cached index */
+	}
+	else
+	{
+	    if (start < 0)
+		start = 0;
+	    if (start > len)
+		goto theend;
+	    /* When "count" argument is there ignore matches before "start",
+	     * otherwise skip part of the string.  Differs when pattern is "^"
+	     * or "\<". */
+	    if (argvars[3].v_type != VAR_UNKNOWN)
+		startcol = start;
+	    else
+	    {
+		str += start;
+		len -= start;
+	    }
+	}
+
+	if (argvars[3].v_type != VAR_UNKNOWN)
+	    nth = (long)get_tv_number_chk(&argvars[3], &error);
+	if (error)
+	    goto theend;
+    }
+
+    regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
+    if (regmatch.regprog != NULL)
+    {
+	regmatch.rm_ic = p_ic;
+
+	for (;;)
+	{
+	    if (l != NULL)
+	    {
+		if (li == NULL)
+		{
+		    match = FALSE;
+		    break;
+		}
+		vim_free(tofree);
+		expr = str = echo_string(&li->li_tv, &tofree, strbuf, 0);
+		if (str == NULL)
+		    break;
+	    }
+
+	    match = vim_regexec_nl(&regmatch, str, (colnr_T)startcol);
+
+	    if (match && --nth <= 0)
+		break;
+	    if (l == NULL && !match)
+		break;
+
+	    /* Advance to just after the match. */
+	    if (l != NULL)
+	    {
+		li = li->li_next;
+		++idx;
+	    }
+	    else
+	    {
+#ifdef FEAT_MBYTE
+		startcol = (colnr_T)(regmatch.startp[0]
+				    + (*mb_ptr2len)(regmatch.startp[0]) - str);
+#else
+		startcol = (colnr_T)(regmatch.startp[0] + 1 - str);
+#endif
+		if (startcol > (colnr_T)len
+				      || str + startcol <= regmatch.startp[0])
+		{
+		    match = FALSE;
+		    break;
+		}
+	    }
+	}
+
+	if (match)
+	{
+	    if (type == 4)
+	    {
+		listitem_T *li1 = rettv->vval.v_list->lv_first;
+		listitem_T *li2 = li1->li_next;
+		listitem_T *li3 = li2->li_next;
+		listitem_T *li4 = li3->li_next;
+
+		vim_free(li1->li_tv.vval.v_string);
+		li1->li_tv.vval.v_string = vim_strnsave(regmatch.startp[0],
+				(int)(regmatch.endp[0] - regmatch.startp[0]));
+		li3->li_tv.vval.v_number =
+				      (varnumber_T)(regmatch.startp[0] - expr);
+		li4->li_tv.vval.v_number =
+					(varnumber_T)(regmatch.endp[0] - expr);
+		if (l != NULL)
+		    li2->li_tv.vval.v_number = (varnumber_T)idx;
+	    }
+	    else if (type == 3)
+	    {
+		int i;
+
+		/* return list with matched string and submatches */
+		for (i = 0; i < NSUBEXP; ++i)
+		{
+		    if (regmatch.endp[i] == NULL)
+		    {
+			if (list_append_string(rettv->vval.v_list,
+						     (char_u *)"", 0) == FAIL)
+			    break;
+		    }
+		    else if (list_append_string(rettv->vval.v_list,
+				regmatch.startp[i],
+				(int)(regmatch.endp[i] - regmatch.startp[i]))
+			    == FAIL)
+			break;
+		}
+	    }
+	    else if (type == 2)
+	    {
+		/* return matched string */
+		if (l != NULL)
+		    copy_tv(&li->li_tv, rettv);
+		else
+		    rettv->vval.v_string = vim_strnsave(regmatch.startp[0],
+				(int)(regmatch.endp[0] - regmatch.startp[0]));
+	    }
+	    else if (l != NULL)
+		rettv->vval.v_number = idx;
+	    else
+	    {
+		if (type != 0)
+		    rettv->vval.v_number =
+				      (varnumber_T)(regmatch.startp[0] - str);
+		else
+		    rettv->vval.v_number =
+					(varnumber_T)(regmatch.endp[0] - str);
+		rettv->vval.v_number += (varnumber_T)(str - expr);
+	    }
+	}
+	vim_regfree(regmatch.regprog);
+    }
+
+    if (type == 4 && l == NULL)
+	/* matchstrpos() without a list: drop the second item. */
+	listitem_remove(rettv->vval.v_list,
+				       rettv->vval.v_list->lv_first->li_next);
+
+theend:
+    vim_free(tofree);
+    p_cpo = save_cpo;
+}
+
+/*
+ * "match()" function
+ */
+    static void
+f_match(typval_T *argvars, typval_T *rettv)
+{
+    find_some_match(argvars, rettv, 1);
+}
+
+/*
+ * "matchadd()" function
+ */
+    static void
+f_matchadd(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_SEARCH_EXTRA
+    char_u	buf[NUMBUFLEN];
+    char_u	*grp = get_tv_string_buf_chk(&argvars[0], buf);	/* group */
+    char_u	*pat = get_tv_string_buf_chk(&argvars[1], buf);	/* pattern */
+    int		prio = 10;	/* default priority */
+    int		id = -1;
+    int		error = FALSE;
+    char_u	*conceal_char = NULL;
+
+    rettv->vval.v_number = -1;
+
+    if (grp == NULL || pat == NULL)
+	return;
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	prio = (int)get_tv_number_chk(&argvars[2], &error);
+	if (argvars[3].v_type != VAR_UNKNOWN)
+	{
+	    id = (int)get_tv_number_chk(&argvars[3], &error);
+	    if (argvars[4].v_type != VAR_UNKNOWN)
+	    {
+		if (argvars[4].v_type != VAR_DICT)
+		{
+		    EMSG(_(e_dictreq));
+		    return;
+		}
+		if (dict_find(argvars[4].vval.v_dict,
+					     (char_u *)"conceal", -1) != NULL)
+		    conceal_char = get_dict_string(argvars[4].vval.v_dict,
+						  (char_u *)"conceal", FALSE);
+	    }
+	}
+    }
+    if (error == TRUE)
+	return;
+    if (id >= 1 && id <= 3)
+    {
+	EMSGN("E798: ID is reserved for \":match\": %ld", id);
+	return;
+    }
+
+    rettv->vval.v_number = match_add(curwin, grp, pat, prio, id, NULL,
+								conceal_char);
+#endif
+}
+
+/*
+ * "matchaddpos()" function
+ */
+    static void
+f_matchaddpos(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_SEARCH_EXTRA
+    char_u	buf[NUMBUFLEN];
+    char_u	*group;
+    int		prio = 10;
+    int		id = -1;
+    int		error = FALSE;
+    list_T	*l;
+    char_u	*conceal_char = NULL;
+
+    rettv->vval.v_number = -1;
+
+    group = get_tv_string_buf_chk(&argvars[0], buf);
+    if (group == NULL)
+	return;
+
+    if (argvars[1].v_type != VAR_LIST)
+    {
+	EMSG2(_(e_listarg), "matchaddpos()");
+	return;
+    }
+    l = argvars[1].vval.v_list;
+    if (l == NULL)
+	return;
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	prio = (int)get_tv_number_chk(&argvars[2], &error);
+	if (argvars[3].v_type != VAR_UNKNOWN)
+	{
+	    id = (int)get_tv_number_chk(&argvars[3], &error);
+	    if (argvars[4].v_type != VAR_UNKNOWN)
+	    {
+		if (argvars[4].v_type != VAR_DICT)
+		{
+		    EMSG(_(e_dictreq));
+		    return;
+		}
+		if (dict_find(argvars[4].vval.v_dict,
+					     (char_u *)"conceal", -1) != NULL)
+		    conceal_char = get_dict_string(argvars[4].vval.v_dict,
+						  (char_u *)"conceal", FALSE);
+	    }
+	}
+    }
+    if (error == TRUE)
+	return;
+
+    /* id == 3 is ok because matchaddpos() is supposed to substitute :3match */
+    if (id == 1 || id == 2)
+    {
+	EMSGN("E798: ID is reserved for \":match\": %ld", id);
+	return;
+    }
+
+    rettv->vval.v_number = match_add(curwin, group, NULL, prio, id, l,
+								conceal_char);
+#endif
+}
+
+/*
+ * "matcharg()" function
+ */
+    static void
+f_matcharg(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    if (rettv_list_alloc(rettv) == OK)
+    {
+#ifdef FEAT_SEARCH_EXTRA
+	int	    id = (int)get_tv_number(&argvars[0]);
+	matchitem_T *m;
+
+	if (id >= 1 && id <= 3)
+	{
+	    if ((m = (matchitem_T *)get_match(curwin, id)) != NULL)
+	    {
+		list_append_string(rettv->vval.v_list,
+						syn_id2name(m->hlg_id), -1);
+		list_append_string(rettv->vval.v_list, m->pattern, -1);
+	    }
+	    else
+	    {
+		list_append_string(rettv->vval.v_list, NULL, -1);
+		list_append_string(rettv->vval.v_list, NULL, -1);
+	    }
+	}
+#endif
+    }
+}
+
+/*
+ * "matchdelete()" function
+ */
+    static void
+f_matchdelete(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_SEARCH_EXTRA
+    rettv->vval.v_number = match_delete(curwin,
+				       (int)get_tv_number(&argvars[0]), TRUE);
+#endif
+}
+
+/*
+ * "matchend()" function
+ */
+    static void
+f_matchend(typval_T *argvars, typval_T *rettv)
+{
+    find_some_match(argvars, rettv, 0);
+}
+
+/*
+ * "matchlist()" function
+ */
+    static void
+f_matchlist(typval_T *argvars, typval_T *rettv)
+{
+    find_some_match(argvars, rettv, 3);
+}
+
+/*
+ * "matchstr()" function
+ */
+    static void
+f_matchstr(typval_T *argvars, typval_T *rettv)
+{
+    find_some_match(argvars, rettv, 2);
+}
+
+/*
+ * "matchstrpos()" function
+ */
+    static void
+f_matchstrpos(typval_T *argvars, typval_T *rettv)
+{
+    find_some_match(argvars, rettv, 4);
+}
+
+static void max_min(typval_T *argvars, typval_T *rettv, int domax);
+
+    static void
+max_min(typval_T *argvars, typval_T *rettv, int domax)
+{
+    varnumber_T	n = 0;
+    varnumber_T	i;
+    int		error = FALSE;
+
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	list_T		*l;
+	listitem_T	*li;
+
+	l = argvars[0].vval.v_list;
+	if (l != NULL)
+	{
+	    li = l->lv_first;
+	    if (li != NULL)
+	    {
+		n = get_tv_number_chk(&li->li_tv, &error);
+		for (;;)
+		{
+		    li = li->li_next;
+		    if (li == NULL)
+			break;
+		    i = get_tv_number_chk(&li->li_tv, &error);
+		    if (domax ? i > n : i < n)
+			n = i;
+		}
+	    }
+	}
+    }
+    else if (argvars[0].v_type == VAR_DICT)
+    {
+	dict_T		*d;
+	int		first = TRUE;
+	hashitem_T	*hi;
+	int		todo;
+
+	d = argvars[0].vval.v_dict;
+	if (d != NULL)
+	{
+	    todo = (int)d->dv_hashtab.ht_used;
+	    for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi)
+	    {
+		if (!HASHITEM_EMPTY(hi))
+		{
+		    --todo;
+		    i = get_tv_number_chk(&HI2DI(hi)->di_tv, &error);
+		    if (first)
+		    {
+			n = i;
+			first = FALSE;
+		    }
+		    else if (domax ? i > n : i < n)
+			n = i;
+		}
+	    }
+	}
+    }
+    else
+	EMSG(_(e_listdictarg));
+    rettv->vval.v_number = error ? 0 : n;
+}
+
+/*
+ * "max()" function
+ */
+    static void
+f_max(typval_T *argvars, typval_T *rettv)
+{
+    max_min(argvars, rettv, TRUE);
+}
+
+/*
+ * "min()" function
+ */
+    static void
+f_min(typval_T *argvars, typval_T *rettv)
+{
+    max_min(argvars, rettv, FALSE);
+}
+
+static int mkdir_recurse(char_u *dir, int prot);
+
+/*
+ * Create the directory in which "dir" is located, and higher levels when
+ * needed.
+ */
+    static int
+mkdir_recurse(char_u *dir, int prot)
+{
+    char_u	*p;
+    char_u	*updir;
+    int		r = FAIL;
+
+    /* Get end of directory name in "dir".
+     * We're done when it's "/" or "c:/". */
+    p = gettail_sep(dir);
+    if (p <= get_past_head(dir))
+	return OK;
+
+    /* If the directory exists we're done.  Otherwise: create it.*/
+    updir = vim_strnsave(dir, (int)(p - dir));
+    if (updir == NULL)
+	return FAIL;
+    if (mch_isdir(updir))
+	r = OK;
+    else if (mkdir_recurse(updir, prot) == OK)
+	r = vim_mkdir_emsg(updir, prot);
+    vim_free(updir);
+    return r;
+}
+
+#ifdef vim_mkdir
+/*
+ * "mkdir()" function
+ */
+    static void
+f_mkdir(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*dir;
+    char_u	buf[NUMBUFLEN];
+    int		prot = 0755;
+
+    rettv->vval.v_number = FAIL;
+    if (check_restricted() || check_secure())
+	return;
+
+    dir = get_tv_string_buf(&argvars[0], buf);
+    if (*dir == NUL)
+	rettv->vval.v_number = FAIL;
+    else
+    {
+	if (*gettail(dir) == NUL)
+	    /* remove trailing slashes */
+	    *gettail_sep(dir) = NUL;
+
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	{
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+		prot = (int)get_tv_number_chk(&argvars[2], NULL);
+	    if (prot != -1 && STRCMP(get_tv_string(&argvars[1]), "p") == 0)
+		mkdir_recurse(dir, prot);
+	}
+	rettv->vval.v_number = prot == -1 ? FAIL : vim_mkdir_emsg(dir, prot);
+    }
+}
+#endif
+
+/*
+ * "mode()" function
+ */
+    static void
+f_mode(typval_T *argvars, typval_T *rettv)
+{
+    char_u	buf[3];
+
+    buf[1] = NUL;
+    buf[2] = NUL;
+
+    if (time_for_testing == 93784)
+    {
+	/* Testing the two-character code. */
+	buf[0] = 'x';
+	buf[1] = '!';
+    }
+    else if (VIsual_active)
+    {
+	if (VIsual_select)
+	    buf[0] = VIsual_mode + 's' - 'v';
+	else
+	    buf[0] = VIsual_mode;
+    }
+    else if (State == HITRETURN || State == ASKMORE || State == SETWSIZE
+		|| State == CONFIRM)
+    {
+	buf[0] = 'r';
+	if (State == ASKMORE)
+	    buf[1] = 'm';
+	else if (State == CONFIRM)
+	    buf[1] = '?';
+    }
+    else if (State == EXTERNCMD)
+	buf[0] = '!';
+    else if (State & INSERT)
+    {
+#ifdef FEAT_VREPLACE
+	if (State & VREPLACE_FLAG)
+	{
+	    buf[0] = 'R';
+	    buf[1] = 'v';
+	}
+	else
+#endif
+	if (State & REPLACE_FLAG)
+	    buf[0] = 'R';
+	else
+	    buf[0] = 'i';
+    }
+    else if (State & CMDLINE)
+    {
+	buf[0] = 'c';
+	if (exmode_active)
+	    buf[1] = 'v';
+    }
+    else if (exmode_active)
+    {
+	buf[0] = 'c';
+	buf[1] = 'e';
+    }
+    else
+    {
+	buf[0] = 'n';
+	if (finish_op)
+	    buf[1] = 'o';
+    }
+
+    /* Clear out the minor mode when the argument is not a non-zero number or
+     * non-empty string.  */
+    if (!non_zero_arg(&argvars[0]))
+	buf[1] = NUL;
+
+    rettv->vval.v_string = vim_strsave(buf);
+    rettv->v_type = VAR_STRING;
+}
+
+#if defined(FEAT_MZSCHEME) || defined(PROTO)
+/*
+ * "mzeval()" function
+ */
+    static void
+f_mzeval(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*str;
+    char_u	buf[NUMBUFLEN];
+
+    str = get_tv_string_buf(&argvars[0], buf);
+    do_mzeval(str, rettv);
+}
+
+    void
+mzscheme_call_vim(char_u *name, typval_T *args, typval_T *rettv)
+{
+    typval_T argvars[3];
+
+    argvars[0].v_type = VAR_STRING;
+    argvars[0].vval.v_string = name;
+    copy_tv(args, &argvars[1]);
+    argvars[2].v_type = VAR_UNKNOWN;
+    f_call(argvars, rettv);
+    clear_tv(&argvars[1]);
+}
+#endif
+
+/*
+ * "nextnonblank()" function
+ */
+    static void
+f_nextnonblank(typval_T *argvars, typval_T *rettv)
+{
+    linenr_T	lnum;
+
+    for (lnum = get_tv_lnum(argvars); ; ++lnum)
+    {
+	if (lnum < 0 || lnum > curbuf->b_ml.ml_line_count)
+	{
+	    lnum = 0;
+	    break;
+	}
+	if (*skipwhite(ml_get(lnum)) != NUL)
+	    break;
+    }
+    rettv->vval.v_number = lnum;
+}
+
+/*
+ * "nr2char()" function
+ */
+    static void
+f_nr2char(typval_T *argvars, typval_T *rettv)
+{
+    char_u	buf[NUMBUFLEN];
+
+#ifdef FEAT_MBYTE
+    if (has_mbyte)
+    {
+	int	utf8 = 0;
+
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	    utf8 = (int)get_tv_number_chk(&argvars[1], NULL);
+	if (utf8)
+	    buf[(*utf_char2bytes)((int)get_tv_number(&argvars[0]), buf)] = NUL;
+	else
+	    buf[(*mb_char2bytes)((int)get_tv_number(&argvars[0]), buf)] = NUL;
+    }
+    else
+#endif
+    {
+	buf[0] = (char_u)get_tv_number(&argvars[0]);
+	buf[1] = NUL;
+    }
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = vim_strsave(buf);
+}
+
+/*
+ * "or(expr, expr)" function
+ */
+    static void
+f_or(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
+					| get_tv_number_chk(&argvars[1], NULL);
+}
+
+/*
+ * "pathshorten()" function
+ */
+    static void
+f_pathshorten(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+
+    rettv->v_type = VAR_STRING;
+    p = get_tv_string_chk(&argvars[0]);
+    if (p == NULL)
+	rettv->vval.v_string = NULL;
+    else
+    {
+	p = vim_strsave(p);
+	rettv->vval.v_string = p;
+	if (p != NULL)
+	    shorten_dir(p);
+    }
+}
+
+#ifdef FEAT_PERL
+/*
+ * "perleval()" function
+ */
+    static void
+f_perleval(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*str;
+    char_u	buf[NUMBUFLEN];
+
+    str = get_tv_string_buf(&argvars[0], buf);
+    do_perleval(str, rettv);
+}
+#endif
+
+#ifdef FEAT_FLOAT
+/*
+ * "pow()" function
+ */
+    static void
+f_pow(typval_T *argvars, typval_T *rettv)
+{
+    float_T	fx = 0.0, fy = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &fx) == OK
+				     && get_float_arg(&argvars[1], &fy) == OK)
+	rettv->vval.v_float = pow(fx, fy);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "prevnonblank()" function
+ */
+    static void
+f_prevnonblank(typval_T *argvars, typval_T *rettv)
+{
+    linenr_T	lnum;
+
+    lnum = get_tv_lnum(argvars);
+    if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
+	lnum = 0;
+    else
+	while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
+	    --lnum;
+    rettv->vval.v_number = lnum;
+}
+
+/* This dummy va_list is here because:
+ * - passing a NULL pointer doesn't work when va_list isn't a pointer
+ * - locally in the function results in a "used before set" warning
+ * - using va_start() to initialize it gives "function with fixed args" error */
+static va_list	ap;
+
+/*
+ * "printf()" function
+ */
+    static void
+f_printf(typval_T *argvars, typval_T *rettv)
+{
+    char_u	buf[NUMBUFLEN];
+    int		len;
+    char_u	*s;
+    int		saved_did_emsg = did_emsg;
+    char	*fmt;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+
+    /* Get the required length, allocate the buffer and do it for real. */
+    did_emsg = FALSE;
+    fmt = (char *)get_tv_string_buf(&argvars[0], buf);
+    len = vim_vsnprintf(NULL, 0, fmt, ap, argvars + 1);
+    if (!did_emsg)
+    {
+	s = alloc(len + 1);
+	if (s != NULL)
+	{
+	    rettv->vval.v_string = s;
+	    (void)vim_vsnprintf((char *)s, len + 1, fmt, ap, argvars + 1);
+	}
+    }
+    did_emsg |= saved_did_emsg;
+}
+
+/*
+ * "pumvisible()" function
+ */
+    static void
+f_pumvisible(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_INS_EXPAND
+    if (pum_visible())
+	rettv->vval.v_number = 1;
+#endif
+}
+
+#ifdef FEAT_PYTHON3
+/*
+ * "py3eval()" function
+ */
+    static void
+f_py3eval(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*str;
+    char_u	buf[NUMBUFLEN];
+
+    str = get_tv_string_buf(&argvars[0], buf);
+    do_py3eval(str, rettv);
+}
+#endif
+
+#ifdef FEAT_PYTHON
+/*
+ * "pyeval()" function
+ */
+    static void
+f_pyeval(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*str;
+    char_u	buf[NUMBUFLEN];
+
+    str = get_tv_string_buf(&argvars[0], buf);
+    do_pyeval(str, rettv);
+}
+#endif
+
+/*
+ * "range()" function
+ */
+    static void
+f_range(typval_T *argvars, typval_T *rettv)
+{
+    varnumber_T	start;
+    varnumber_T	end;
+    varnumber_T	stride = 1;
+    varnumber_T	i;
+    int		error = FALSE;
+
+    start = get_tv_number_chk(&argvars[0], &error);
+    if (argvars[1].v_type == VAR_UNKNOWN)
+    {
+	end = start - 1;
+	start = 0;
+    }
+    else
+    {
+	end = get_tv_number_chk(&argvars[1], &error);
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    stride = get_tv_number_chk(&argvars[2], &error);
+    }
+
+    if (error)
+	return;		/* type error; errmsg already given */
+    if (stride == 0)
+	EMSG(_("E726: Stride is zero"));
+    else if (stride > 0 ? end + 1 < start : end - 1 > start)
+	EMSG(_("E727: Start past end"));
+    else
+    {
+	if (rettv_list_alloc(rettv) == OK)
+	    for (i = start; stride > 0 ? i <= end : i >= end; i += stride)
+		if (list_append_number(rettv->vval.v_list,
+						      (varnumber_T)i) == FAIL)
+		    break;
+    }
+}
+
+/*
+ * "readfile()" function
+ */
+    static void
+f_readfile(typval_T *argvars, typval_T *rettv)
+{
+    int		binary = FALSE;
+    int		failed = FALSE;
+    char_u	*fname;
+    FILE	*fd;
+    char_u	buf[(IOSIZE/256)*256];	/* rounded to avoid odd + 1 */
+    int		io_size = sizeof(buf);
+    int		readlen;		/* size of last fread() */
+    char_u	*prev	 = NULL;	/* previously read bytes, if any */
+    long	prevlen  = 0;		/* length of data in prev */
+    long	prevsize = 0;		/* size of prev buffer */
+    long	maxline  = MAXLNUM;
+    long	cnt	 = 0;
+    char_u	*p;			/* position in buf */
+    char_u	*start;			/* start of current line */
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	if (STRCMP(get_tv_string(&argvars[1]), "b") == 0)
+	    binary = TRUE;
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    maxline = (long)get_tv_number(&argvars[2]);
+    }
+
+    if (rettv_list_alloc(rettv) == FAIL)
+	return;
+
+    /* Always open the file in binary mode, library functions have a mind of
+     * their own about CR-LF conversion. */
+    fname = get_tv_string(&argvars[0]);
+    if (*fname == NUL || (fd = mch_fopen((char *)fname, READBIN)) == NULL)
+    {
+	EMSG2(_(e_notopen), *fname == NUL ? (char_u *)_("<empty>") : fname);
+	return;
+    }
+
+    while (cnt < maxline || maxline < 0)
+    {
+	readlen = (int)fread(buf, 1, io_size, fd);
+
+	/* This for loop processes what was read, but is also entered at end
+	 * of file so that either:
+	 * - an incomplete line gets written
+	 * - a "binary" file gets an empty line at the end if it ends in a
+	 *   newline.  */
+	for (p = buf, start = buf;
+		p < buf + readlen || (readlen <= 0 && (prevlen > 0 || binary));
+		++p)
+	{
+	    if (*p == '\n' || readlen <= 0)
+	    {
+		listitem_T  *li;
+		char_u	    *s	= NULL;
+		long_u	    len = p - start;
+
+		/* Finished a line.  Remove CRs before NL. */
+		if (readlen > 0 && !binary)
+		{
+		    while (len > 0 && start[len - 1] == '\r')
+			--len;
+		    /* removal may cross back to the "prev" string */
+		    if (len == 0)
+			while (prevlen > 0 && prev[prevlen - 1] == '\r')
+			    --prevlen;
+		}
+		if (prevlen == 0)
+		    s = vim_strnsave(start, (int)len);
+		else
+		{
+		    /* Change "prev" buffer to be the right size.  This way
+		     * the bytes are only copied once, and very long lines are
+		     * allocated only once.  */
+		    if ((s = vim_realloc(prev, prevlen + len + 1)) != NULL)
+		    {
+			mch_memmove(s + prevlen, start, len);
+			s[prevlen + len] = NUL;
+			prev = NULL; /* the list will own the string */
+			prevlen = prevsize = 0;
+		    }
+		}
+		if (s == NULL)
+		{
+		    do_outofmem_msg((long_u) prevlen + len + 1);
+		    failed = TRUE;
+		    break;
+		}
+
+		if ((li = listitem_alloc()) == NULL)
+		{
+		    vim_free(s);
+		    failed = TRUE;
+		    break;
+		}
+		li->li_tv.v_type = VAR_STRING;
+		li->li_tv.v_lock = 0;
+		li->li_tv.vval.v_string = s;
+		list_append(rettv->vval.v_list, li);
+
+		start = p + 1; /* step over newline */
+		if ((++cnt >= maxline && maxline >= 0) || readlen <= 0)
+		    break;
+	    }
+	    else if (*p == NUL)
+		*p = '\n';
+#ifdef FEAT_MBYTE
+	    /* Check for utf8 "bom"; U+FEFF is encoded as EF BB BF.  Do this
+	     * when finding the BF and check the previous two bytes. */
+	    else if (*p == 0xbf && enc_utf8 && !binary)
+	    {
+		/* Find the two bytes before the 0xbf.	If p is at buf, or buf
+		 * + 1, these may be in the "prev" string. */
+		char_u back1 = p >= buf + 1 ? p[-1]
+				     : prevlen >= 1 ? prev[prevlen - 1] : NUL;
+		char_u back2 = p >= buf + 2 ? p[-2]
+			  : p == buf + 1 && prevlen >= 1 ? prev[prevlen - 1]
+			  : prevlen >= 2 ? prev[prevlen - 2] : NUL;
+
+		if (back2 == 0xef && back1 == 0xbb)
+		{
+		    char_u *dest = p - 2;
+
+		    /* Usually a BOM is at the beginning of a file, and so at
+		     * the beginning of a line; then we can just step over it.
+		     */
+		    if (start == dest)
+			start = p + 1;
+		    else
+		    {
+			/* have to shuffle buf to close gap */
+			int adjust_prevlen = 0;
+
+			if (dest < buf)
+			{
+			    adjust_prevlen = (int)(buf - dest); /* must be 1 or 2 */
+			    dest = buf;
+			}
+			if (readlen > p - buf + 1)
+			    mch_memmove(dest, p + 1, readlen - (p - buf) - 1);
+			readlen -= 3 - adjust_prevlen;
+			prevlen -= adjust_prevlen;
+			p = dest - 1;
+		    }
+		}
+	    }
+#endif
+	} /* for */
+
+	if (failed || (cnt >= maxline && maxline >= 0) || readlen <= 0)
+	    break;
+	if (start < p)
+	{
+	    /* There's part of a line in buf, store it in "prev". */
+	    if (p - start + prevlen >= prevsize)
+	    {
+		/* need bigger "prev" buffer */
+		char_u *newprev;
+
+		/* A common use case is ordinary text files and "prev" gets a
+		 * fragment of a line, so the first allocation is made
+		 * small, to avoid repeatedly 'allocing' large and
+		 * 'reallocing' small. */
+		if (prevsize == 0)
+		    prevsize = (long)(p - start);
+		else
+		{
+		    long grow50pc = (prevsize * 3) / 2;
+		    long growmin  = (long)((p - start) * 2 + prevlen);
+		    prevsize = grow50pc > growmin ? grow50pc : growmin;
+		}
+		newprev = prev == NULL ? alloc(prevsize)
+						: vim_realloc(prev, prevsize);
+		if (newprev == NULL)
+		{
+		    do_outofmem_msg((long_u)prevsize);
+		    failed = TRUE;
+		    break;
+		}
+		prev = newprev;
+	    }
+	    /* Add the line part to end of "prev". */
+	    mch_memmove(prev + prevlen, start, p - start);
+	    prevlen += (long)(p - start);
+	}
+    } /* while */
+
+    /*
+     * For a negative line count use only the lines at the end of the file,
+     * free the rest.
+     */
+    if (!failed && maxline < 0)
+	while (cnt > -maxline)
+	{
+	    listitem_remove(rettv->vval.v_list, rettv->vval.v_list->lv_first);
+	    --cnt;
+	}
+
+    if (failed)
+    {
+	list_free(rettv->vval.v_list);
+	/* readfile doc says an empty list is returned on error */
+	rettv->vval.v_list = list_alloc();
+    }
+
+    vim_free(prev);
+    fclose(fd);
+}
+
+#if defined(FEAT_RELTIME)
+static int list2proftime(typval_T *arg, proftime_T *tm);
+
+/*
+ * Convert a List to proftime_T.
+ * Return FAIL when there is something wrong.
+ */
+    static int
+list2proftime(typval_T *arg, proftime_T *tm)
+{
+    long	n1, n2;
+    int	error = FALSE;
+
+    if (arg->v_type != VAR_LIST || arg->vval.v_list == NULL
+					     || arg->vval.v_list->lv_len != 2)
+	return FAIL;
+    n1 = list_find_nr(arg->vval.v_list, 0L, &error);
+    n2 = list_find_nr(arg->vval.v_list, 1L, &error);
+# ifdef WIN3264
+    tm->HighPart = n1;
+    tm->LowPart = n2;
+# else
+    tm->tv_sec = n1;
+    tm->tv_usec = n2;
+# endif
+    return error ? FAIL : OK;
+}
+#endif /* FEAT_RELTIME */
+
+/*
+ * "reltime()" function
+ */
+    static void
+f_reltime(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_RELTIME
+    proftime_T	res;
+    proftime_T	start;
+
+    if (argvars[0].v_type == VAR_UNKNOWN)
+    {
+	/* No arguments: get current time. */
+	profile_start(&res);
+    }
+    else if (argvars[1].v_type == VAR_UNKNOWN)
+    {
+	if (list2proftime(&argvars[0], &res) == FAIL)
+	    return;
+	profile_end(&res);
+    }
+    else
+    {
+	/* Two arguments: compute the difference. */
+	if (list2proftime(&argvars[0], &start) == FAIL
+		|| list2proftime(&argvars[1], &res) == FAIL)
+	    return;
+	profile_sub(&res, &start);
+    }
+
+    if (rettv_list_alloc(rettv) == OK)
+    {
+	long	n1, n2;
+
+# ifdef WIN3264
+	n1 = res.HighPart;
+	n2 = res.LowPart;
+# else
+	n1 = res.tv_sec;
+	n2 = res.tv_usec;
+# endif
+	list_append_number(rettv->vval.v_list, (varnumber_T)n1);
+	list_append_number(rettv->vval.v_list, (varnumber_T)n2);
+    }
+#endif
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "reltimefloat()" function
+ */
+    static void
+f_reltimefloat(typval_T *argvars UNUSED, typval_T *rettv)
+{
+# ifdef FEAT_RELTIME
+    proftime_T	tm;
+# endif
+
+    rettv->v_type = VAR_FLOAT;
+    rettv->vval.v_float = 0;
+# ifdef FEAT_RELTIME
+    if (list2proftime(&argvars[0], &tm) == OK)
+	rettv->vval.v_float = profile_float(&tm);
+# endif
+}
+#endif
+
+/*
+ * "reltimestr()" function
+ */
+    static void
+f_reltimestr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_RELTIME
+    proftime_T	tm;
+#endif
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+#ifdef FEAT_RELTIME
+    if (list2proftime(&argvars[0], &tm) == OK)
+	rettv->vval.v_string = vim_strsave((char_u *)profile_msg(&tm));
+#endif
+}
+
+#if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
+static void make_connection(void);
+static int check_connection(void);
+
+    static void
+make_connection(void)
+{
+    if (X_DISPLAY == NULL
+# ifdef FEAT_GUI
+	    && !gui.in_use
+# endif
+	    )
+    {
+	x_force_connect = TRUE;
+	setup_term_clip();
+	x_force_connect = FALSE;
+    }
+}
+
+    static int
+check_connection(void)
+{
+    make_connection();
+    if (X_DISPLAY == NULL)
+    {
+	EMSG(_("E240: No connection to Vim server"));
+	return FAIL;
+    }
+    return OK;
+}
+#endif
+
+#ifdef FEAT_CLIENTSERVER
+    static void
+remote_common(typval_T *argvars, typval_T *rettv, int expr)
+{
+    char_u	*server_name;
+    char_u	*keys;
+    char_u	*r = NULL;
+    char_u	buf[NUMBUFLEN];
+# ifdef WIN32
+    HWND	w;
+# else
+    Window	w;
+# endif
+
+    if (check_restricted() || check_secure())
+	return;
+
+# ifdef FEAT_X11
+    if (check_connection() == FAIL)
+	return;
+# endif
+
+    server_name = get_tv_string_chk(&argvars[0]);
+    if (server_name == NULL)
+	return;		/* type error; errmsg already given */
+    keys = get_tv_string_buf(&argvars[1], buf);
+# ifdef WIN32
+    if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0)
+# else
+    if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE)
+									  < 0)
+# endif
+    {
+	if (r != NULL)
+	    EMSG(r);		/* sending worked but evaluation failed */
+	else
+	    EMSG2(_("E241: Unable to send to %s"), server_name);
+	return;
+    }
+
+    rettv->vval.v_string = r;
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	dictitem_T	v;
+	char_u		str[30];
+	char_u		*idvar;
+
+	sprintf((char *)str, PRINTF_HEX_LONG_U, (long_u)w);
+	v.di_tv.v_type = VAR_STRING;
+	v.di_tv.vval.v_string = vim_strsave(str);
+	idvar = get_tv_string_chk(&argvars[2]);
+	if (idvar != NULL)
+	    set_var(idvar, &v.di_tv, FALSE);
+	vim_free(v.di_tv.vval.v_string);
+    }
+}
+#endif
+
+/*
+ * "remote_expr()" function
+ */
+    static void
+f_remote_expr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+#ifdef FEAT_CLIENTSERVER
+    remote_common(argvars, rettv, TRUE);
+#endif
+}
+
+/*
+ * "remote_foreground()" function
+ */
+    static void
+f_remote_foreground(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_CLIENTSERVER
+# ifdef WIN32
+    /* On Win32 it's done in this application. */
+    {
+	char_u	*server_name = get_tv_string_chk(&argvars[0]);
+
+	if (server_name != NULL)
+	    serverForeground(server_name);
+    }
+# else
+    /* Send a foreground() expression to the server. */
+    argvars[1].v_type = VAR_STRING;
+    argvars[1].vval.v_string = vim_strsave((char_u *)"foreground()");
+    argvars[2].v_type = VAR_UNKNOWN;
+    remote_common(argvars, rettv, TRUE);
+    vim_free(argvars[1].vval.v_string);
+# endif
+#endif
+}
+
+    static void
+f_remote_peek(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_CLIENTSERVER
+    dictitem_T	v;
+    char_u	*s = NULL;
+# ifdef WIN32
+    long_u	n = 0;
+# endif
+    char_u	*serverid;
+
+    if (check_restricted() || check_secure())
+    {
+	rettv->vval.v_number = -1;
+	return;
+    }
+    serverid = get_tv_string_chk(&argvars[0]);
+    if (serverid == NULL)
+    {
+	rettv->vval.v_number = -1;
+	return;		/* type error; errmsg already given */
+    }
+# ifdef WIN32
+    sscanf((const char *)serverid, SCANF_HEX_LONG_U, &n);
+    if (n == 0)
+	rettv->vval.v_number = -1;
+    else
+    {
+	s = serverGetReply((HWND)n, FALSE, FALSE, FALSE);
+	rettv->vval.v_number = (s != NULL);
+    }
+# else
+    if (check_connection() == FAIL)
+	return;
+
+    rettv->vval.v_number = serverPeekReply(X_DISPLAY,
+						serverStrToWin(serverid), &s);
+# endif
+
+    if (argvars[1].v_type != VAR_UNKNOWN && rettv->vval.v_number > 0)
+    {
+	char_u		*retvar;
+
+	v.di_tv.v_type = VAR_STRING;
+	v.di_tv.vval.v_string = vim_strsave(s);
+	retvar = get_tv_string_chk(&argvars[1]);
+	if (retvar != NULL)
+	    set_var(retvar, &v.di_tv, FALSE);
+	vim_free(v.di_tv.vval.v_string);
+    }
+#else
+    rettv->vval.v_number = -1;
+#endif
+}
+
+    static void
+f_remote_read(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    char_u	*r = NULL;
+
+#ifdef FEAT_CLIENTSERVER
+    char_u	*serverid = get_tv_string_chk(&argvars[0]);
+
+    if (serverid != NULL && !check_restricted() && !check_secure())
+    {
+# ifdef WIN32
+	/* The server's HWND is encoded in the 'id' parameter */
+	long_u		n = 0;
+
+	sscanf((char *)serverid, SCANF_HEX_LONG_U, &n);
+	if (n != 0)
+	    r = serverGetReply((HWND)n, FALSE, TRUE, TRUE);
+	if (r == NULL)
+# else
+	if (check_connection() == FAIL || serverReadReply(X_DISPLAY,
+		serverStrToWin(serverid), &r, FALSE) < 0)
+# endif
+	    EMSG(_("E277: Unable to read a server reply"));
+    }
+#endif
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = r;
+}
+
+/*
+ * "remote_send()" function
+ */
+    static void
+f_remote_send(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+#ifdef FEAT_CLIENTSERVER
+    remote_common(argvars, rettv, FALSE);
+#endif
+}
+
+/*
+ * "remove()" function
+ */
+    static void
+f_remove(typval_T *argvars, typval_T *rettv)
+{
+    list_T	*l;
+    listitem_T	*item, *item2;
+    listitem_T	*li;
+    long	idx;
+    long	end;
+    char_u	*key;
+    dict_T	*d;
+    dictitem_T	*di;
+    char_u	*arg_errmsg = (char_u *)N_("remove() argument");
+
+    if (argvars[0].v_type == VAR_DICT)
+    {
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    EMSG2(_(e_toomanyarg), "remove()");
+	else if ((d = argvars[0].vval.v_dict) != NULL
+		&& !tv_check_lock(d->dv_lock, arg_errmsg, TRUE))
+	{
+	    key = get_tv_string_chk(&argvars[1]);
+	    if (key != NULL)
+	    {
+		di = dict_find(d, key, -1);
+		if (di == NULL)
+		    EMSG2(_(e_dictkey), key);
+		else if (!var_check_fixed(di->di_flags, arg_errmsg, TRUE)
+			    && !var_check_ro(di->di_flags, arg_errmsg, TRUE))
+		{
+		    *rettv = di->di_tv;
+		    init_tv(&di->di_tv);
+		    dictitem_remove(d, di);
+		}
+	    }
+	}
+    }
+    else if (argvars[0].v_type != VAR_LIST)
+	EMSG2(_(e_listdictarg), "remove()");
+    else if ((l = argvars[0].vval.v_list) != NULL
+	    && !tv_check_lock(l->lv_lock, arg_errmsg, TRUE))
+    {
+	int	    error = FALSE;
+
+	idx = (long)get_tv_number_chk(&argvars[1], &error);
+	if (error)
+	    ;		/* type error: do nothing, errmsg already given */
+	else if ((item = list_find(l, idx)) == NULL)
+	    EMSGN(_(e_listidx), idx);
+	else
+	{
+	    if (argvars[2].v_type == VAR_UNKNOWN)
+	    {
+		/* Remove one item, return its value. */
+		vimlist_remove(l, item, item);
+		*rettv = item->li_tv;
+		vim_free(item);
+	    }
+	    else
+	    {
+		/* Remove range of items, return list with values. */
+		end = (long)get_tv_number_chk(&argvars[2], &error);
+		if (error)
+		    ;		/* type error: do nothing */
+		else if ((item2 = list_find(l, end)) == NULL)
+		    EMSGN(_(e_listidx), end);
+		else
+		{
+		    int	    cnt = 0;
+
+		    for (li = item; li != NULL; li = li->li_next)
+		    {
+			++cnt;
+			if (li == item2)
+			    break;
+		    }
+		    if (li == NULL)  /* didn't find "item2" after "item" */
+			EMSG(_(e_invrange));
+		    else
+		    {
+			vimlist_remove(l, item, item2);
+			if (rettv_list_alloc(rettv) == OK)
+			{
+			    l = rettv->vval.v_list;
+			    l->lv_first = item;
+			    l->lv_last = item2;
+			    item->li_prev = NULL;
+			    item2->li_next = NULL;
+			    l->lv_len = cnt;
+			}
+		    }
+		}
+	    }
+	}
+    }
+}
+
+/*
+ * "rename({from}, {to})" function
+ */
+    static void
+f_rename(typval_T *argvars, typval_T *rettv)
+{
+    char_u	buf[NUMBUFLEN];
+
+    if (check_restricted() || check_secure())
+	rettv->vval.v_number = -1;
+    else
+	rettv->vval.v_number = vim_rename(get_tv_string(&argvars[0]),
+				      get_tv_string_buf(&argvars[1], buf));
+}
+
+/*
+ * "repeat()" function
+ */
+    static void
+f_repeat(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+    int		n;
+    int		slen;
+    int		len;
+    char_u	*r;
+    int		i;
+
+    n = (int)get_tv_number(&argvars[1]);
+    if (argvars[0].v_type == VAR_LIST)
+    {
+	if (rettv_list_alloc(rettv) == OK && argvars[0].vval.v_list != NULL)
+	    while (n-- > 0)
+		if (list_extend(rettv->vval.v_list,
+					argvars[0].vval.v_list, NULL) == FAIL)
+		    break;
+    }
+    else
+    {
+	p = get_tv_string(&argvars[0]);
+	rettv->v_type = VAR_STRING;
+	rettv->vval.v_string = NULL;
+
+	slen = (int)STRLEN(p);
+	len = slen * n;
+	if (len <= 0)
+	    return;
+
+	r = alloc(len + 1);
+	if (r != NULL)
+	{
+	    for (i = 0; i < n; i++)
+		mch_memmove(r + i * slen, p, (size_t)slen);
+	    r[len] = NUL;
+	}
+
+	rettv->vval.v_string = r;
+    }
+}
+
+/*
+ * "resolve()" function
+ */
+    static void
+f_resolve(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+#ifdef HAVE_READLINK
+    char_u	*buf = NULL;
+#endif
+
+    p = get_tv_string(&argvars[0]);
+#ifdef FEAT_SHORTCUT
+    {
+	char_u	*v = NULL;
+
+	v = mch_resolve_shortcut(p);
+	if (v != NULL)
+	    rettv->vval.v_string = v;
+	else
+	    rettv->vval.v_string = vim_strsave(p);
+    }
+#else
+# ifdef HAVE_READLINK
+    {
+	char_u	*cpy;
+	int	len;
+	char_u	*remain = NULL;
+	char_u	*q;
+	int	is_relative_to_current = FALSE;
+	int	has_trailing_pathsep = FALSE;
+	int	limit = 100;
+
+	p = vim_strsave(p);
+
+	if (p[0] == '.' && (vim_ispathsep(p[1])
+				   || (p[1] == '.' && (vim_ispathsep(p[2])))))
+	    is_relative_to_current = TRUE;
+
+	len = STRLEN(p);
+	if (len > 0 && after_pathsep(p, p + len))
+	{
+	    has_trailing_pathsep = TRUE;
+	    p[len - 1] = NUL; /* the trailing slash breaks readlink() */
+	}
+
+	q = getnextcomp(p);
+	if (*q != NUL)
+	{
+	    /* Separate the first path component in "p", and keep the
+	     * remainder (beginning with the path separator). */
+	    remain = vim_strsave(q - 1);
+	    q[-1] = NUL;
+	}
+
+	buf = alloc(MAXPATHL + 1);
+	if (buf == NULL)
+	    goto fail;
+
+	for (;;)
+	{
+	    for (;;)
+	    {
+		len = readlink((char *)p, (char *)buf, MAXPATHL);
+		if (len <= 0)
+		    break;
+		buf[len] = NUL;
+
+		if (limit-- == 0)
+		{
+		    vim_free(p);
+		    vim_free(remain);
+		    EMSG(_("E655: Too many symbolic links (cycle?)"));
+		    rettv->vval.v_string = NULL;
+		    goto fail;
+		}
+
+		/* Ensure that the result will have a trailing path separator
+		 * if the argument has one. */
+		if (remain == NULL && has_trailing_pathsep)
+		    add_pathsep(buf);
+
+		/* Separate the first path component in the link value and
+		 * concatenate the remainders. */
+		q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf);
+		if (*q != NUL)
+		{
+		    if (remain == NULL)
+			remain = vim_strsave(q - 1);
+		    else
+		    {
+			cpy = concat_str(q - 1, remain);
+			if (cpy != NULL)
+			{
+			    vim_free(remain);
+			    remain = cpy;
+			}
+		    }
+		    q[-1] = NUL;
+		}
+
+		q = gettail(p);
+		if (q > p && *q == NUL)
+		{
+		    /* Ignore trailing path separator. */
+		    q[-1] = NUL;
+		    q = gettail(p);
+		}
+		if (q > p && !mch_isFullName(buf))
+		{
+		    /* symlink is relative to directory of argument */
+		    cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1));
+		    if (cpy != NULL)
+		    {
+			STRCPY(cpy, p);
+			STRCPY(gettail(cpy), buf);
+			vim_free(p);
+			p = cpy;
+		    }
+		}
+		else
+		{
+		    vim_free(p);
+		    p = vim_strsave(buf);
+		}
+	    }
+
+	    if (remain == NULL)
+		break;
+
+	    /* Append the first path component of "remain" to "p". */
+	    q = getnextcomp(remain + 1);
+	    len = q - remain - (*q != NUL);
+	    cpy = vim_strnsave(p, STRLEN(p) + len);
+	    if (cpy != NULL)
+	    {
+		STRNCAT(cpy, remain, len);
+		vim_free(p);
+		p = cpy;
+	    }
+	    /* Shorten "remain". */
+	    if (*q != NUL)
+		STRMOVE(remain, q - 1);
+	    else
+	    {
+		vim_free(remain);
+		remain = NULL;
+	    }
+	}
+
+	/* If the result is a relative path name, make it explicitly relative to
+	 * the current directory if and only if the argument had this form. */
+	if (!vim_ispathsep(*p))
+	{
+	    if (is_relative_to_current
+		    && *p != NUL
+		    && !(p[0] == '.'
+			&& (p[1] == NUL
+			    || vim_ispathsep(p[1])
+			    || (p[1] == '.'
+				&& (p[2] == NUL
+				    || vim_ispathsep(p[2]))))))
+	    {
+		/* Prepend "./". */
+		cpy = concat_str((char_u *)"./", p);
+		if (cpy != NULL)
+		{
+		    vim_free(p);
+		    p = cpy;
+		}
+	    }
+	    else if (!is_relative_to_current)
+	    {
+		/* Strip leading "./". */
+		q = p;
+		while (q[0] == '.' && vim_ispathsep(q[1]))
+		    q += 2;
+		if (q > p)
+		    STRMOVE(p, p + 2);
+	    }
+	}
+
+	/* Ensure that the result will have no trailing path separator
+	 * if the argument had none.  But keep "/" or "//". */
+	if (!has_trailing_pathsep)
+	{
+	    q = p + STRLEN(p);
+	    if (after_pathsep(p, q))
+		*gettail_sep(p) = NUL;
+	}
+
+	rettv->vval.v_string = p;
+    }
+# else
+    rettv->vval.v_string = vim_strsave(p);
+# endif
+#endif
+
+    simplify_filename(rettv->vval.v_string);
+
+#ifdef HAVE_READLINK
+fail:
+    vim_free(buf);
+#endif
+    rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "reverse({list})" function
+ */
+    static void
+f_reverse(typval_T *argvars, typval_T *rettv)
+{
+    list_T	*l;
+    listitem_T	*li, *ni;
+
+    if (argvars[0].v_type != VAR_LIST)
+	EMSG2(_(e_listarg), "reverse()");
+    else if ((l = argvars[0].vval.v_list) != NULL
+	    && !tv_check_lock(l->lv_lock,
+				    (char_u *)N_("reverse() argument"), TRUE))
+    {
+	li = l->lv_last;
+	l->lv_first = l->lv_last = NULL;
+	l->lv_len = 0;
+	while (li != NULL)
+	{
+	    ni = li->li_prev;
+	    list_append(l, li);
+	    li = ni;
+	}
+	rettv->vval.v_list = l;
+	rettv->v_type = VAR_LIST;
+	++l->lv_refcount;
+	l->lv_idx = l->lv_len - l->lv_idx - 1;
+    }
+}
+
+#define SP_NOMOVE	0x01	    /* don't move cursor */
+#define SP_REPEAT	0x02	    /* repeat to find outer pair */
+#define SP_RETCOUNT	0x04	    /* return matchcount */
+#define SP_SETPCMARK	0x08	    /* set previous context mark */
+#define SP_START	0x10	    /* accept match at start position */
+#define SP_SUBPAT	0x20	    /* return nr of matching sub-pattern */
+#define SP_END		0x40	    /* leave cursor at end of match */
+#define SP_COLUMN	0x80	    /* start at cursor column */
+
+static int get_search_arg(typval_T *varp, int *flagsp);
+
+/*
+ * Get flags for a search function.
+ * Possibly sets "p_ws".
+ * Returns BACKWARD, FORWARD or zero (for an error).
+ */
+    static int
+get_search_arg(typval_T *varp, int *flagsp)
+{
+    int		dir = FORWARD;
+    char_u	*flags;
+    char_u	nbuf[NUMBUFLEN];
+    int		mask;
+
+    if (varp->v_type != VAR_UNKNOWN)
+    {
+	flags = get_tv_string_buf_chk(varp, nbuf);
+	if (flags == NULL)
+	    return 0;		/* type error; errmsg already given */
+	while (*flags != NUL)
+	{
+	    switch (*flags)
+	    {
+		case 'b': dir = BACKWARD; break;
+		case 'w': p_ws = TRUE; break;
+		case 'W': p_ws = FALSE; break;
+		default:  mask = 0;
+			  if (flagsp != NULL)
+			     switch (*flags)
+			     {
+				 case 'c': mask = SP_START; break;
+				 case 'e': mask = SP_END; break;
+				 case 'm': mask = SP_RETCOUNT; break;
+				 case 'n': mask = SP_NOMOVE; break;
+				 case 'p': mask = SP_SUBPAT; break;
+				 case 'r': mask = SP_REPEAT; break;
+				 case 's': mask = SP_SETPCMARK; break;
+				 case 'z': mask = SP_COLUMN; break;
+			     }
+			  if (mask == 0)
+			  {
+			      EMSG2(_(e_invarg2), flags);
+			      dir = 0;
+			  }
+			  else
+			      *flagsp |= mask;
+	    }
+	    if (dir == 0)
+		break;
+	    ++flags;
+	}
+    }
+    return dir;
+}
+
+/*
+ * Shared by search() and searchpos() functions.
+ */
+    static int
+search_cmn(typval_T *argvars, pos_T *match_pos, int *flagsp)
+{
+    int		flags;
+    char_u	*pat;
+    pos_T	pos;
+    pos_T	save_cursor;
+    int		save_p_ws = p_ws;
+    int		dir;
+    int		retval = 0;	/* default: FAIL */
+    long	lnum_stop = 0;
+    proftime_T	tm;
+#ifdef FEAT_RELTIME
+    long	time_limit = 0;
+#endif
+    int		options = SEARCH_KEEP;
+    int		subpatnum;
+
+    pat = get_tv_string(&argvars[0]);
+    dir = get_search_arg(&argvars[1], flagsp);	/* may set p_ws */
+    if (dir == 0)
+	goto theend;
+    flags = *flagsp;
+    if (flags & SP_START)
+	options |= SEARCH_START;
+    if (flags & SP_END)
+	options |= SEARCH_END;
+    if (flags & SP_COLUMN)
+	options |= SEARCH_COL;
+
+    /* Optional arguments: line number to stop searching and timeout. */
+    if (argvars[1].v_type != VAR_UNKNOWN && argvars[2].v_type != VAR_UNKNOWN)
+    {
+	lnum_stop = (long)get_tv_number_chk(&argvars[2], NULL);
+	if (lnum_stop < 0)
+	    goto theend;
+#ifdef FEAT_RELTIME
+	if (argvars[3].v_type != VAR_UNKNOWN)
+	{
+	    time_limit = (long)get_tv_number_chk(&argvars[3], NULL);
+	    if (time_limit < 0)
+		goto theend;
+	}
+#endif
+    }
+
+#ifdef FEAT_RELTIME
+    /* Set the time limit, if there is one. */
+    profile_setlimit(time_limit, &tm);
+#endif
+
+    /*
+     * This function does not accept SP_REPEAT and SP_RETCOUNT flags.
+     * Check to make sure only those flags are set.
+     * Also, Only the SP_NOMOVE or the SP_SETPCMARK flag can be set. Both
+     * flags cannot be set. Check for that condition also.
+     */
+    if (((flags & (SP_REPEAT | SP_RETCOUNT)) != 0)
+	    || ((flags & SP_NOMOVE) && (flags & SP_SETPCMARK)))
+    {
+	EMSG2(_(e_invarg2), get_tv_string(&argvars[1]));
+	goto theend;
+    }
+
+    pos = save_cursor = curwin->w_cursor;
+    subpatnum = searchit(curwin, curbuf, &pos, dir, pat, 1L,
+				options, RE_SEARCH, (linenr_T)lnum_stop, &tm);
+    if (subpatnum != FAIL)
+    {
+	if (flags & SP_SUBPAT)
+	    retval = subpatnum;
+	else
+	    retval = pos.lnum;
+	if (flags & SP_SETPCMARK)
+	    setpcmark();
+	curwin->w_cursor = pos;
+	if (match_pos != NULL)
+	{
+	    /* Store the match cursor position */
+	    match_pos->lnum = pos.lnum;
+	    match_pos->col = pos.col + 1;
+	}
+	/* "/$" will put the cursor after the end of the line, may need to
+	 * correct that here */
+	check_cursor();
+    }
+
+    /* If 'n' flag is used: restore cursor position. */
+    if (flags & SP_NOMOVE)
+	curwin->w_cursor = save_cursor;
+    else
+	curwin->w_set_curswant = TRUE;
+theend:
+    p_ws = save_p_ws;
+
+    return retval;
+}
+
+#ifdef FEAT_FLOAT
+
+/*
+ * round() is not in C90, use ceil() or floor() instead.
+ */
+    float_T
+vim_round(float_T f)
+{
+    return f > 0 ? floor(f + 0.5) : ceil(f - 0.5);
+}
+
+/*
+ * "round({float})" function
+ */
+    static void
+f_round(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = vim_round(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "screenattr()" function
+ */
+    static void
+f_screenattr(typval_T *argvars, typval_T *rettv)
+{
+    int		row;
+    int		col;
+    int		c;
+
+    row = (int)get_tv_number_chk(&argvars[0], NULL) - 1;
+    col = (int)get_tv_number_chk(&argvars[1], NULL) - 1;
+    if (row < 0 || row >= screen_Rows
+	    || col < 0 || col >= screen_Columns)
+	c = -1;
+    else
+	c = ScreenAttrs[LineOffset[row] + col];
+    rettv->vval.v_number = c;
+}
+
+/*
+ * "screenchar()" function
+ */
+    static void
+f_screenchar(typval_T *argvars, typval_T *rettv)
+{
+    int		row;
+    int		col;
+    int		off;
+    int		c;
+
+    row = (int)get_tv_number_chk(&argvars[0], NULL) - 1;
+    col = (int)get_tv_number_chk(&argvars[1], NULL) - 1;
+    if (row < 0 || row >= screen_Rows
+	    || col < 0 || col >= screen_Columns)
+	c = -1;
+    else
+    {
+	off = LineOffset[row] + col;
+#ifdef FEAT_MBYTE
+	if (enc_utf8 && ScreenLinesUC[off] != 0)
+	    c = ScreenLinesUC[off];
+	else
+#endif
+	    c = ScreenLines[off];
+    }
+    rettv->vval.v_number = c;
+}
+
+/*
+ * "screencol()" function
+ *
+ * First column is 1 to be consistent with virtcol().
+ */
+    static void
+f_screencol(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = screen_screencol() + 1;
+}
+
+/*
+ * "screenrow()" function
+ */
+    static void
+f_screenrow(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = screen_screenrow() + 1;
+}
+
+/*
+ * "search()" function
+ */
+    static void
+f_search(typval_T *argvars, typval_T *rettv)
+{
+    int		flags = 0;
+
+    rettv->vval.v_number = search_cmn(argvars, NULL, &flags);
+}
+
+/*
+ * "searchdecl()" function
+ */
+    static void
+f_searchdecl(typval_T *argvars, typval_T *rettv)
+{
+    int		locally = 1;
+    int		thisblock = 0;
+    int		error = FALSE;
+    char_u	*name;
+
+    rettv->vval.v_number = 1;	/* default: FAIL */
+
+    name = get_tv_string_chk(&argvars[0]);
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	locally = (int)get_tv_number_chk(&argvars[1], &error) == 0;
+	if (!error && argvars[2].v_type != VAR_UNKNOWN)
+	    thisblock = (int)get_tv_number_chk(&argvars[2], &error) != 0;
+    }
+    if (!error && name != NULL)
+	rettv->vval.v_number = find_decl(name, (int)STRLEN(name),
+				     locally, thisblock, SEARCH_KEEP) == FAIL;
+}
+
+/*
+ * Used by searchpair() and searchpairpos()
+ */
+    static int
+searchpair_cmn(typval_T *argvars, pos_T *match_pos)
+{
+    char_u	*spat, *mpat, *epat;
+    char_u	*skip;
+    int		save_p_ws = p_ws;
+    int		dir;
+    int		flags = 0;
+    char_u	nbuf1[NUMBUFLEN];
+    char_u	nbuf2[NUMBUFLEN];
+    char_u	nbuf3[NUMBUFLEN];
+    int		retval = 0;		/* default: FAIL */
+    long	lnum_stop = 0;
+    long	time_limit = 0;
+
+    /* Get the three pattern arguments: start, middle, end. */
+    spat = get_tv_string_chk(&argvars[0]);
+    mpat = get_tv_string_buf_chk(&argvars[1], nbuf1);
+    epat = get_tv_string_buf_chk(&argvars[2], nbuf2);
+    if (spat == NULL || mpat == NULL || epat == NULL)
+	goto theend;	    /* type error */
+
+    /* Handle the optional fourth argument: flags */
+    dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */
+    if (dir == 0)
+	goto theend;
+
+    /* Don't accept SP_END or SP_SUBPAT.
+     * Only one of the SP_NOMOVE or SP_SETPCMARK flags can be set.
+     */
+    if ((flags & (SP_END | SP_SUBPAT)) != 0
+	    || ((flags & SP_NOMOVE) && (flags & SP_SETPCMARK)))
+    {
+	EMSG2(_(e_invarg2), get_tv_string(&argvars[3]));
+	goto theend;
+    }
+
+    /* Using 'r' implies 'W', otherwise it doesn't work. */
+    if (flags & SP_REPEAT)
+	p_ws = FALSE;
+
+    /* Optional fifth argument: skip expression */
+    if (argvars[3].v_type == VAR_UNKNOWN
+	    || argvars[4].v_type == VAR_UNKNOWN)
+	skip = (char_u *)"";
+    else
+    {
+	skip = get_tv_string_buf_chk(&argvars[4], nbuf3);
+	if (argvars[5].v_type != VAR_UNKNOWN)
+	{
+	    lnum_stop = (long)get_tv_number_chk(&argvars[5], NULL);
+	    if (lnum_stop < 0)
+		goto theend;
+#ifdef FEAT_RELTIME
+	    if (argvars[6].v_type != VAR_UNKNOWN)
+	    {
+		time_limit = (long)get_tv_number_chk(&argvars[6], NULL);
+		if (time_limit < 0)
+		    goto theend;
+	    }
+#endif
+	}
+    }
+    if (skip == NULL)
+	goto theend;	    /* type error */
+
+    retval = do_searchpair(spat, mpat, epat, dir, skip, flags,
+					    match_pos, lnum_stop, time_limit);
+
+theend:
+    p_ws = save_p_ws;
+
+    return retval;
+}
+
+/*
+ * "searchpair()" function
+ */
+    static void
+f_searchpair(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = searchpair_cmn(argvars, NULL);
+}
+
+/*
+ * "searchpairpos()" function
+ */
+    static void
+f_searchpairpos(typval_T *argvars, typval_T *rettv)
+{
+    pos_T	match_pos;
+    int		lnum = 0;
+    int		col = 0;
+
+    if (rettv_list_alloc(rettv) == FAIL)
+	return;
+
+    if (searchpair_cmn(argvars, &match_pos) > 0)
+    {
+	lnum = match_pos.lnum;
+	col = match_pos.col;
+    }
+
+    list_append_number(rettv->vval.v_list, (varnumber_T)lnum);
+    list_append_number(rettv->vval.v_list, (varnumber_T)col);
+}
+
+/*
+ * Search for a start/middle/end thing.
+ * Used by searchpair(), see its documentation for the details.
+ * Returns 0 or -1 for no match,
+ */
+    long
+do_searchpair(
+    char_u	*spat,	    /* start pattern */
+    char_u	*mpat,	    /* middle pattern */
+    char_u	*epat,	    /* end pattern */
+    int		dir,	    /* BACKWARD or FORWARD */
+    char_u	*skip,	    /* skip expression */
+    int		flags,	    /* SP_SETPCMARK and other SP_ values */
+    pos_T	*match_pos,
+    linenr_T	lnum_stop,  /* stop at this line if not zero */
+    long	time_limit UNUSED) /* stop after this many msec */
+{
+    char_u	*save_cpo;
+    char_u	*pat, *pat2 = NULL, *pat3 = NULL;
+    long	retval = 0;
+    pos_T	pos;
+    pos_T	firstpos;
+    pos_T	foundpos;
+    pos_T	save_cursor;
+    pos_T	save_pos;
+    int		n;
+    int		r;
+    int		nest = 1;
+    int		err;
+    int		options = SEARCH_KEEP;
+    proftime_T	tm;
+
+    /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
+    save_cpo = p_cpo;
+    p_cpo = empty_option;
+
+#ifdef FEAT_RELTIME
+    /* Set the time limit, if there is one. */
+    profile_setlimit(time_limit, &tm);
+#endif
+
+    /* Make two search patterns: start/end (pat2, for in nested pairs) and
+     * start/middle/end (pat3, for the top pair). */
+    pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15));
+    pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23));
+    if (pat2 == NULL || pat3 == NULL)
+	goto theend;
+    sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
+    if (*mpat == NUL)
+	STRCPY(pat3, pat2);
+    else
+	sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
+							    spat, epat, mpat);
+    if (flags & SP_START)
+	options |= SEARCH_START;
+
+    save_cursor = curwin->w_cursor;
+    pos = curwin->w_cursor;
+    clearpos(&firstpos);
+    clearpos(&foundpos);
+    pat = pat3;
+    for (;;)
+    {
+	n = searchit(curwin, curbuf, &pos, dir, pat, 1L,
+					   options, RE_SEARCH, lnum_stop, &tm);
+	if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos)))
+	    /* didn't find it or found the first match again: FAIL */
+	    break;
+
+	if (firstpos.lnum == 0)
+	    firstpos = pos;
+	if (equalpos(pos, foundpos))
+	{
+	    /* Found the same position again.  Can happen with a pattern that
+	     * has "\zs" at the end and searching backwards.  Advance one
+	     * character and try again. */
+	    if (dir == BACKWARD)
+		decl(&pos);
+	    else
+		incl(&pos);
+	}
+	foundpos = pos;
+
+	/* clear the start flag to avoid getting stuck here */
+	options &= ~SEARCH_START;
+
+	/* If the skip pattern matches, ignore this match. */
+	if (*skip != NUL)
+	{
+	    save_pos = curwin->w_cursor;
+	    curwin->w_cursor = pos;
+	    r = eval_to_bool(skip, &err, NULL, FALSE);
+	    curwin->w_cursor = save_pos;
+	    if (err)
+	    {
+		/* Evaluating {skip} caused an error, break here. */
+		curwin->w_cursor = save_cursor;
+		retval = -1;
+		break;
+	    }
+	    if (r)
+		continue;
+	}
+
+	if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
+	{
+	    /* Found end when searching backwards or start when searching
+	     * forward: nested pair. */
+	    ++nest;
+	    pat = pat2;		/* nested, don't search for middle */
+	}
+	else
+	{
+	    /* Found end when searching forward or start when searching
+	     * backward: end of (nested) pair; or found middle in outer pair. */
+	    if (--nest == 1)
+		pat = pat3;	/* outer level, search for middle */
+	}
+
+	if (nest == 0)
+	{
+	    /* Found the match: return matchcount or line number. */
+	    if (flags & SP_RETCOUNT)
+		++retval;
+	    else
+		retval = pos.lnum;
+	    if (flags & SP_SETPCMARK)
+		setpcmark();
+	    curwin->w_cursor = pos;
+	    if (!(flags & SP_REPEAT))
+		break;
+	    nest = 1;	    /* search for next unmatched */
+	}
+    }
+
+    if (match_pos != NULL)
+    {
+	/* Store the match cursor position */
+	match_pos->lnum = curwin->w_cursor.lnum;
+	match_pos->col = curwin->w_cursor.col + 1;
+    }
+
+    /* If 'n' flag is used or search failed: restore cursor position. */
+    if ((flags & SP_NOMOVE) || retval == 0)
+	curwin->w_cursor = save_cursor;
+
+theend:
+    vim_free(pat2);
+    vim_free(pat3);
+    if (p_cpo == empty_option)
+	p_cpo = save_cpo;
+    else
+	/* Darn, evaluating the {skip} expression changed the value. */
+	free_string_option(save_cpo);
+
+    return retval;
+}
+
+/*
+ * "searchpos()" function
+ */
+    static void
+f_searchpos(typval_T *argvars, typval_T *rettv)
+{
+    pos_T	match_pos;
+    int		lnum = 0;
+    int		col = 0;
+    int		n;
+    int		flags = 0;
+
+    if (rettv_list_alloc(rettv) == FAIL)
+	return;
+
+    n = search_cmn(argvars, &match_pos, &flags);
+    if (n > 0)
+    {
+	lnum = match_pos.lnum;
+	col = match_pos.col;
+    }
+
+    list_append_number(rettv->vval.v_list, (varnumber_T)lnum);
+    list_append_number(rettv->vval.v_list, (varnumber_T)col);
+    if (flags & SP_SUBPAT)
+	list_append_number(rettv->vval.v_list, (varnumber_T)n);
+}
+
+    static void
+f_server2client(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_CLIENTSERVER
+    char_u	buf[NUMBUFLEN];
+    char_u	*server = get_tv_string_chk(&argvars[0]);
+    char_u	*reply = get_tv_string_buf_chk(&argvars[1], buf);
+
+    rettv->vval.v_number = -1;
+    if (server == NULL || reply == NULL)
+	return;
+    if (check_restricted() || check_secure())
+	return;
+# ifdef FEAT_X11
+    if (check_connection() == FAIL)
+	return;
+# endif
+
+    if (serverSendReply(server, reply) < 0)
+    {
+	EMSG(_("E258: Unable to send to client"));
+	return;
+    }
+    rettv->vval.v_number = 0;
+#else
+    rettv->vval.v_number = -1;
+#endif
+}
+
+    static void
+f_serverlist(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    char_u	*r = NULL;
+
+#ifdef FEAT_CLIENTSERVER
+# ifdef WIN32
+    r = serverGetVimNames();
+# else
+    make_connection();
+    if (X_DISPLAY != NULL)
+	r = serverGetVimNames(X_DISPLAY);
+# endif
+#endif
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = r;
+}
+
+/*
+ * "setbufvar()" function
+ */
+    static void
+f_setbufvar(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    buf_T	*buf;
+    char_u	*varname, *bufvarname;
+    typval_T	*varp;
+    char_u	nbuf[NUMBUFLEN];
+
+    if (check_restricted() || check_secure())
+	return;
+    (void)get_tv_number(&argvars[0]);	    /* issue errmsg if type error */
+    varname = get_tv_string_chk(&argvars[1]);
+    buf = get_buf_tv(&argvars[0], FALSE);
+    varp = &argvars[2];
+
+    if (buf != NULL && varname != NULL && varp != NULL)
+    {
+	if (*varname == '&')
+	{
+	    long	numval;
+	    char_u	*strval;
+	    int		error = FALSE;
+	    aco_save_T	aco;
+
+	    /* set curbuf to be our buf, temporarily */
+	    aucmd_prepbuf(&aco, buf);
+
+	    ++varname;
+	    numval = (long)get_tv_number_chk(varp, &error);
+	    strval = get_tv_string_buf_chk(varp, nbuf);
+	    if (!error && strval != NULL)
+		set_option_value(varname, numval, strval, OPT_LOCAL);
+
+	    /* reset notion of buffer */
+	    aucmd_restbuf(&aco);
+	}
+	else
+	{
+	    buf_T *save_curbuf = curbuf;
+
+	    bufvarname = alloc((unsigned)STRLEN(varname) + 3);
+	    if (bufvarname != NULL)
+	    {
+		curbuf = buf;
+		STRCPY(bufvarname, "b:");
+		STRCPY(bufvarname + 2, varname);
+		set_var(bufvarname, varp, TRUE);
+		vim_free(bufvarname);
+		curbuf = save_curbuf;
+	    }
+	}
+    }
+}
+
+    static void
+f_setcharsearch(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    dict_T	*d;
+    dictitem_T	*di;
+    char_u	*csearch;
+
+    if (argvars[0].v_type != VAR_DICT)
+    {
+	EMSG(_(e_dictreq));
+	return;
+    }
+
+    if ((d = argvars[0].vval.v_dict) != NULL)
+    {
+	csearch = get_dict_string(d, (char_u *)"char", FALSE);
+	if (csearch != NULL)
+	{
+#ifdef FEAT_MBYTE
+	    if (enc_utf8)
+	    {
+		int pcc[MAX_MCO];
+		int c = utfc_ptr2char(csearch, pcc);
+
+		set_last_csearch(c, csearch, utfc_ptr2len(csearch));
+	    }
+	    else
+#endif
+		set_last_csearch(PTR2CHAR(csearch),
+						csearch, MB_PTR2LEN(csearch));
+	}
+
+	di = dict_find(d, (char_u *)"forward", -1);
+	if (di != NULL)
+	    set_csearch_direction((int)get_tv_number(&di->di_tv)
+							? FORWARD : BACKWARD);
+
+	di = dict_find(d, (char_u *)"until", -1);
+	if (di != NULL)
+	    set_csearch_until(!!get_tv_number(&di->di_tv));
+    }
+}
+
+/*
+ * "setcmdpos()" function
+ */
+    static void
+f_setcmdpos(typval_T *argvars, typval_T *rettv)
+{
+    int		pos = (int)get_tv_number(&argvars[0]) - 1;
+
+    if (pos >= 0)
+	rettv->vval.v_number = set_cmdline_pos(pos);
+}
+
+/*
+ * "setfperm({fname}, {mode})" function
+ */
+    static void
+f_setfperm(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*fname;
+    char_u	modebuf[NUMBUFLEN];
+    char_u	*mode_str;
+    int		i;
+    int		mask;
+    int		mode = 0;
+
+    rettv->vval.v_number = 0;
+    fname = get_tv_string_chk(&argvars[0]);
+    if (fname == NULL)
+	return;
+    mode_str = get_tv_string_buf_chk(&argvars[1], modebuf);
+    if (mode_str == NULL)
+	return;
+    if (STRLEN(mode_str) != 9)
+    {
+	EMSG2(_(e_invarg2), mode_str);
+	return;
+    }
+
+    mask = 1;
+    for (i = 8; i >= 0; --i)
+    {
+	if (mode_str[i] != '-')
+	    mode |= mask;
+	mask = mask << 1;
+    }
+    rettv->vval.v_number = mch_setperm(fname, mode) == OK;
+}
+
+/*
+ * "setline()" function
+ */
+    static void
+f_setline(typval_T *argvars, typval_T *rettv)
+{
+    linenr_T	lnum;
+    char_u	*line = NULL;
+    list_T	*l = NULL;
+    listitem_T	*li = NULL;
+    long	added = 0;
+    linenr_T	lcount = curbuf->b_ml.ml_line_count;
+
+    lnum = get_tv_lnum(&argvars[0]);
+    if (argvars[1].v_type == VAR_LIST)
+    {
+	l = argvars[1].vval.v_list;
+	li = l->lv_first;
+    }
+    else
+	line = get_tv_string_chk(&argvars[1]);
+
+    /* default result is zero == OK */
+    for (;;)
+    {
+	if (l != NULL)
+	{
+	    /* list argument, get next string */
+	    if (li == NULL)
+		break;
+	    line = get_tv_string_chk(&li->li_tv);
+	    li = li->li_next;
+	}
+
+	rettv->vval.v_number = 1;	/* FAIL */
+	if (line == NULL || lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
+	    break;
+
+	/* When coming here from Insert mode, sync undo, so that this can be
+	 * undone separately from what was previously inserted. */
+	if (u_sync_once == 2)
+	{
+	    u_sync_once = 1; /* notify that u_sync() was called */
+	    u_sync(TRUE);
+	}
+
+	if (lnum <= curbuf->b_ml.ml_line_count)
+	{
+	    /* existing line, replace it */
+	    if (u_savesub(lnum) == OK && ml_replace(lnum, line, TRUE) == OK)
+	    {
+		changed_bytes(lnum, 0);
+		if (lnum == curwin->w_cursor.lnum)
+		    check_cursor_col();
+		rettv->vval.v_number = 0;	/* OK */
+	    }
+	}
+	else if (added > 0 || u_save(lnum - 1, lnum) == OK)
+	{
+	    /* lnum is one past the last line, append the line */
+	    ++added;
+	    if (ml_append(lnum - 1, line, (colnr_T)0, FALSE) == OK)
+		rettv->vval.v_number = 0;	/* OK */
+	}
+
+	if (l == NULL)			/* only one string argument */
+	    break;
+	++lnum;
+    }
+
+    if (added > 0)
+	appended_lines_mark(lcount, added);
+}
+
+static void set_qf_ll_list(win_T *wp, typval_T *list_arg, typval_T *action_arg, typval_T *rettv);
+
+/*
+ * Used by "setqflist()" and "setloclist()" functions
+ */
+    static void
+set_qf_ll_list(
+    win_T	*wp UNUSED,
+    typval_T	*list_arg UNUSED,
+    typval_T	*action_arg UNUSED,
+    typval_T	*rettv)
+{
+#ifdef FEAT_QUICKFIX
+    static char *e_invact = N_("E927: Invalid action: '%s'");
+    char_u	*act;
+    int		action = 0;
+#endif
+
+    rettv->vval.v_number = -1;
+
+#ifdef FEAT_QUICKFIX
+    if (list_arg->v_type != VAR_LIST)
+	EMSG(_(e_listreq));
+    else
+    {
+	list_T  *l = list_arg->vval.v_list;
+
+	if (action_arg->v_type == VAR_STRING)
+	{
+	    act = get_tv_string_chk(action_arg);
+	    if (act == NULL)
+		return;		/* type error; errmsg already given */
+	    if ((*act == 'a' || *act == 'r' || *act == ' ') && act[1] == NUL)
+		action = *act;
+	    else
+		EMSG2(_(e_invact), act);
+	}
+	else if (action_arg->v_type == VAR_UNKNOWN)
+	    action = ' ';
+	else
+	    EMSG(_(e_stringreq));
+
+	if (l != NULL && action && set_errorlist(wp, l, action,
+	       (char_u *)(wp == NULL ? "setqflist()" : "setloclist()")) == OK)
+	    rettv->vval.v_number = 0;
+    }
+#endif
+}
+
+/*
+ * "setloclist()" function
+ */
+    static void
+f_setloclist(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*win;
+
+    rettv->vval.v_number = -1;
+
+    win = find_win_by_nr(&argvars[0], NULL);
+    if (win != NULL)
+	set_qf_ll_list(win, &argvars[1], &argvars[2], rettv);
+}
+
+/*
+ * "setmatches()" function
+ */
+    static void
+f_setmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_SEARCH_EXTRA
+    list_T	*l;
+    listitem_T	*li;
+    dict_T	*d;
+    list_T	*s = NULL;
+
+    rettv->vval.v_number = -1;
+    if (argvars[0].v_type != VAR_LIST)
+    {
+	EMSG(_(e_listreq));
+	return;
+    }
+    if ((l = argvars[0].vval.v_list) != NULL)
+    {
+
+	/* To some extent make sure that we are dealing with a list from
+	 * "getmatches()". */
+	li = l->lv_first;
+	while (li != NULL)
+	{
+	    if (li->li_tv.v_type != VAR_DICT
+		    || (d = li->li_tv.vval.v_dict) == NULL)
+	    {
+		EMSG(_(e_invarg));
+		return;
+	    }
+	    if (!(dict_find(d, (char_u *)"group", -1) != NULL
+			&& (dict_find(d, (char_u *)"pattern", -1) != NULL
+			    || dict_find(d, (char_u *)"pos1", -1) != NULL)
+			&& dict_find(d, (char_u *)"priority", -1) != NULL
+			&& dict_find(d, (char_u *)"id", -1) != NULL))
+	    {
+		EMSG(_(e_invarg));
+		return;
+	    }
+	    li = li->li_next;
+	}
+
+	clear_matches(curwin);
+	li = l->lv_first;
+	while (li != NULL)
+	{
+	    int		i = 0;
+	    char_u	buf[5];
+	    dictitem_T  *di;
+	    char_u	*group;
+	    int		priority;
+	    int		id;
+	    char_u	*conceal;
+
+	    d = li->li_tv.vval.v_dict;
+	    if (dict_find(d, (char_u *)"pattern", -1) == NULL)
+	    {
+		if (s == NULL)
+		{
+		    s = list_alloc();
+		    if (s == NULL)
+			return;
+		}
+
+		/* match from matchaddpos() */
+		for (i = 1; i < 9; i++)
+		{
+		    sprintf((char *)buf, (char *)"pos%d", i);
+		    if ((di = dict_find(d, (char_u *)buf, -1)) != NULL)
+		    {
+			if (di->di_tv.v_type != VAR_LIST)
+			    return;
+
+			list_append_tv(s, &di->di_tv);
+			s->lv_refcount++;
+		    }
+		    else
+			break;
+		}
+	    }
+
+	    group = get_dict_string(d, (char_u *)"group", FALSE);
+	    priority = (int)get_dict_number(d, (char_u *)"priority");
+	    id = (int)get_dict_number(d, (char_u *)"id");
+	    conceal = dict_find(d, (char_u *)"conceal", -1) != NULL
+			      ? get_dict_string(d, (char_u *)"conceal", FALSE)
+			      : NULL;
+	    if (i == 0)
+	    {
+		match_add(curwin, group,
+		    get_dict_string(d, (char_u *)"pattern", FALSE),
+		    priority, id, NULL, conceal);
+	    }
+	    else
+	    {
+		match_add(curwin, group, NULL, priority, id, s, conceal);
+		list_unref(s);
+		s = NULL;
+	    }
+
+	    li = li->li_next;
+	}
+	rettv->vval.v_number = 0;
+    }
+#endif
+}
+
+/*
+ * "setpos()" function
+ */
+    static void
+f_setpos(typval_T *argvars, typval_T *rettv)
+{
+    pos_T	pos;
+    int		fnum;
+    char_u	*name;
+    colnr_T	curswant = -1;
+
+    rettv->vval.v_number = -1;
+    name = get_tv_string_chk(argvars);
+    if (name != NULL)
+    {
+	if (list2fpos(&argvars[1], &pos, &fnum, &curswant) == OK)
+	{
+	    if (--pos.col < 0)
+		pos.col = 0;
+	    if (name[0] == '.' && name[1] == NUL)
+	    {
+		/* set cursor */
+		if (fnum == curbuf->b_fnum)
+		{
+		    curwin->w_cursor = pos;
+		    if (curswant >= 0)
+		    {
+			curwin->w_curswant = curswant - 1;
+			curwin->w_set_curswant = FALSE;
+		    }
+		    check_cursor();
+		    rettv->vval.v_number = 0;
+		}
+		else
+		    EMSG(_(e_invarg));
+	    }
+	    else if (name[0] == '\'' && name[1] != NUL && name[2] == NUL)
+	    {
+		/* set mark */
+		if (setmark_pos(name[1], &pos, fnum) == OK)
+		    rettv->vval.v_number = 0;
+	    }
+	    else
+		EMSG(_(e_invarg));
+	}
+    }
+}
+
+/*
+ * "setqflist()" function
+ */
+    static void
+f_setqflist(typval_T *argvars, typval_T *rettv)
+{
+    set_qf_ll_list(NULL, &argvars[0], &argvars[1], rettv);
+}
+
+/*
+ * "setreg()" function
+ */
+    static void
+f_setreg(typval_T *argvars, typval_T *rettv)
+{
+    int		regname;
+    char_u	*strregname;
+    char_u	*stropt;
+    char_u	*strval;
+    int		append;
+    char_u	yank_type;
+    long	block_len;
+
+    block_len = -1;
+    yank_type = MAUTO;
+    append = FALSE;
+
+    strregname = get_tv_string_chk(argvars);
+    rettv->vval.v_number = 1;		/* FAIL is default */
+
+    if (strregname == NULL)
+	return;		/* type error; errmsg already given */
+    regname = *strregname;
+    if (regname == 0 || regname == '@')
+	regname = '"';
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	stropt = get_tv_string_chk(&argvars[2]);
+	if (stropt == NULL)
+	    return;		/* type error */
+	for (; *stropt != NUL; ++stropt)
+	    switch (*stropt)
+	    {
+		case 'a': case 'A':	/* append */
+		    append = TRUE;
+		    break;
+		case 'v': case 'c':	/* character-wise selection */
+		    yank_type = MCHAR;
+		    break;
+		case 'V': case 'l':	/* line-wise selection */
+		    yank_type = MLINE;
+		    break;
+		case 'b': case Ctrl_V:	/* block-wise selection */
+		    yank_type = MBLOCK;
+		    if (VIM_ISDIGIT(stropt[1]))
+		    {
+			++stropt;
+			block_len = getdigits(&stropt) - 1;
+			--stropt;
+		    }
+		    break;
+	    }
+    }
+
+    if (argvars[1].v_type == VAR_LIST)
+    {
+	char_u		**lstval;
+	char_u		**allocval;
+	char_u		buf[NUMBUFLEN];
+	char_u		**curval;
+	char_u		**curallocval;
+	list_T		*ll = argvars[1].vval.v_list;
+	listitem_T	*li;
+	int		len;
+
+	/* If the list is NULL handle like an empty list. */
+	len = ll == NULL ? 0 : ll->lv_len;
+
+	/* First half: use for pointers to result lines; second half: use for
+	 * pointers to allocated copies. */
+	lstval = (char_u **)alloc(sizeof(char_u *) * ((len + 1) * 2));
+	if (lstval == NULL)
+	    return;
+	curval = lstval;
+	allocval = lstval + len + 2;
+	curallocval = allocval;
+
+	for (li = ll == NULL ? NULL : ll->lv_first; li != NULL;
+							     li = li->li_next)
+	{
+	    strval = get_tv_string_buf_chk(&li->li_tv, buf);
+	    if (strval == NULL)
+		goto free_lstval;
+	    if (strval == buf)
+	    {
+		/* Need to make a copy, next get_tv_string_buf_chk() will
+		 * overwrite the string. */
+		strval = vim_strsave(buf);
+		if (strval == NULL)
+		    goto free_lstval;
+		*curallocval++ = strval;
+	    }
+	    *curval++ = strval;
+	}
+	*curval++ = NULL;
+
+	write_reg_contents_lst(regname, lstval, -1,
+						append, yank_type, block_len);
+free_lstval:
+	while (curallocval > allocval)
+	    vim_free(*--curallocval);
+	vim_free(lstval);
+    }
+    else
+    {
+	strval = get_tv_string_chk(&argvars[1]);
+	if (strval == NULL)
+	    return;
+	write_reg_contents_ex(regname, strval, -1,
+						append, yank_type, block_len);
+    }
+    rettv->vval.v_number = 0;
+}
+
+/*
+ * "settabvar()" function
+ */
+    static void
+f_settabvar(typval_T *argvars, typval_T *rettv)
+{
+#ifdef FEAT_WINDOWS
+    tabpage_T	*save_curtab;
+    tabpage_T	*tp;
+#endif
+    char_u	*varname, *tabvarname;
+    typval_T	*varp;
+
+    rettv->vval.v_number = 0;
+
+    if (check_restricted() || check_secure())
+	return;
+
+#ifdef FEAT_WINDOWS
+    tp = find_tabpage((int)get_tv_number_chk(&argvars[0], NULL));
+#endif
+    varname = get_tv_string_chk(&argvars[1]);
+    varp = &argvars[2];
+
+    if (varname != NULL && varp != NULL
+#ifdef FEAT_WINDOWS
+	    && tp != NULL
+#endif
+	    )
+    {
+#ifdef FEAT_WINDOWS
+	save_curtab = curtab;
+	goto_tabpage_tp(tp, FALSE, FALSE);
+#endif
+
+	tabvarname = alloc((unsigned)STRLEN(varname) + 3);
+	if (tabvarname != NULL)
+	{
+	    STRCPY(tabvarname, "t:");
+	    STRCPY(tabvarname + 2, varname);
+	    set_var(tabvarname, varp, TRUE);
+	    vim_free(tabvarname);
+	}
+
+#ifdef FEAT_WINDOWS
+	/* Restore current tabpage */
+	if (valid_tabpage(save_curtab))
+	    goto_tabpage_tp(save_curtab, FALSE, FALSE);
+#endif
+    }
+}
+
+/*
+ * "settabwinvar()" function
+ */
+    static void
+f_settabwinvar(typval_T *argvars, typval_T *rettv)
+{
+    setwinvar(argvars, rettv, 1);
+}
+
+/*
+ * "setwinvar()" function
+ */
+    static void
+f_setwinvar(typval_T *argvars, typval_T *rettv)
+{
+    setwinvar(argvars, rettv, 0);
+}
+
+#ifdef FEAT_CRYPT
+/*
+ * "sha256({string})" function
+ */
+    static void
+f_sha256(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+
+    p = get_tv_string(&argvars[0]);
+    rettv->vval.v_string = vim_strsave(
+				    sha256_bytes(p, (int)STRLEN(p), NULL, 0));
+    rettv->v_type = VAR_STRING;
+}
+#endif /* FEAT_CRYPT */
+
+/*
+ * "shellescape({string})" function
+ */
+    static void
+f_shellescape(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_string = vim_strsave_shellescape(
+		get_tv_string(&argvars[0]), non_zero_arg(&argvars[1]), TRUE);
+    rettv->v_type = VAR_STRING;
+}
+
+/*
+ * shiftwidth() function
+ */
+    static void
+f_shiftwidth(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->vval.v_number = get_sw_value(curbuf);
+}
+
+/*
+ * "simplify()" function
+ */
+    static void
+f_simplify(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+
+    p = get_tv_string(&argvars[0]);
+    rettv->vval.v_string = vim_strsave(p);
+    simplify_filename(rettv->vval.v_string);	/* simplify in place */
+    rettv->v_type = VAR_STRING;
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "sin()" function
+ */
+    static void
+f_sin(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = sin(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "sinh()" function
+ */
+    static void
+f_sinh(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = sinh(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+static int
+#ifdef __BORLANDC__
+    _RTLENTRYF
+#endif
+	item_compare(const void *s1, const void *s2);
+static int
+#ifdef __BORLANDC__
+    _RTLENTRYF
+#endif
+	item_compare2(const void *s1, const void *s2);
+
+/* struct used in the array that's given to qsort() */
+typedef struct
+{
+    listitem_T	*item;
+    int		idx;
+} sortItem_T;
+
+/* struct storing information about current sort */
+typedef struct
+{
+    int		item_compare_ic;
+    int		item_compare_numeric;
+    int		item_compare_numbers;
+#ifdef FEAT_FLOAT
+    int		item_compare_float;
+#endif
+    char_u	*item_compare_func;
+    partial_T	*item_compare_partial;
+    dict_T	*item_compare_selfdict;
+    int		item_compare_func_err;
+    int		item_compare_keep_zero;
+} sortinfo_T;
+static sortinfo_T	*sortinfo = NULL;
+static void	do_sort_uniq(typval_T *argvars, typval_T *rettv, int sort);
+#define ITEM_COMPARE_FAIL 999
+
+/*
+ * Compare functions for f_sort() and f_uniq() below.
+ */
+    static int
+#ifdef __BORLANDC__
+_RTLENTRYF
+#endif
+item_compare(const void *s1, const void *s2)
+{
+    sortItem_T  *si1, *si2;
+    typval_T	*tv1, *tv2;
+    char_u	*p1, *p2;
+    char_u	*tofree1 = NULL, *tofree2 = NULL;
+    int		res;
+    char_u	numbuf1[NUMBUFLEN];
+    char_u	numbuf2[NUMBUFLEN];
+
+    si1 = (sortItem_T *)s1;
+    si2 = (sortItem_T *)s2;
+    tv1 = &si1->item->li_tv;
+    tv2 = &si2->item->li_tv;
+
+    if (sortinfo->item_compare_numbers)
+    {
+	varnumber_T	v1 = get_tv_number(tv1);
+	varnumber_T	v2 = get_tv_number(tv2);
+
+	return v1 == v2 ? 0 : v1 > v2 ? 1 : -1;
+    }
+
+#ifdef FEAT_FLOAT
+    if (sortinfo->item_compare_float)
+    {
+	float_T	v1 = get_tv_float(tv1);
+	float_T	v2 = get_tv_float(tv2);
+
+	return v1 == v2 ? 0 : v1 > v2 ? 1 : -1;
+    }
+#endif
+
+    /* tv2string() puts quotes around a string and allocates memory.  Don't do
+     * that for string variables. Use a single quote when comparing with a
+     * non-string to do what the docs promise. */
+    if (tv1->v_type == VAR_STRING)
+    {
+	if (tv2->v_type != VAR_STRING || sortinfo->item_compare_numeric)
+	    p1 = (char_u *)"'";
+	else
+	    p1 = tv1->vval.v_string;
+    }
+    else
+	p1 = tv2string(tv1, &tofree1, numbuf1, 0);
+    if (tv2->v_type == VAR_STRING)
+    {
+	if (tv1->v_type != VAR_STRING || sortinfo->item_compare_numeric)
+	    p2 = (char_u *)"'";
+	else
+	    p2 = tv2->vval.v_string;
+    }
+    else
+	p2 = tv2string(tv2, &tofree2, numbuf2, 0);
+    if (p1 == NULL)
+	p1 = (char_u *)"";
+    if (p2 == NULL)
+	p2 = (char_u *)"";
+    if (!sortinfo->item_compare_numeric)
+    {
+	if (sortinfo->item_compare_ic)
+	    res = STRICMP(p1, p2);
+	else
+	    res = STRCMP(p1, p2);
+    }
+    else
+    {
+	double n1, n2;
+	n1 = strtod((char *)p1, (char **)&p1);
+	n2 = strtod((char *)p2, (char **)&p2);
+	res = n1 == n2 ? 0 : n1 > n2 ? 1 : -1;
+    }
+
+    /* When the result would be zero, compare the item indexes.  Makes the
+     * sort stable. */
+    if (res == 0 && !sortinfo->item_compare_keep_zero)
+	res = si1->idx > si2->idx ? 1 : -1;
+
+    vim_free(tofree1);
+    vim_free(tofree2);
+    return res;
+}
+
+    static int
+#ifdef __BORLANDC__
+_RTLENTRYF
+#endif
+item_compare2(const void *s1, const void *s2)
+{
+    sortItem_T  *si1, *si2;
+    int		res;
+    typval_T	rettv;
+    typval_T	argv[3];
+    int		dummy;
+    char_u	*func_name;
+    partial_T	*partial = sortinfo->item_compare_partial;
+
+    /* shortcut after failure in previous call; compare all items equal */
+    if (sortinfo->item_compare_func_err)
+	return 0;
+
+    si1 = (sortItem_T *)s1;
+    si2 = (sortItem_T *)s2;
+
+    if (partial == NULL)
+	func_name = sortinfo->item_compare_func;
+    else
+	func_name = partial->pt_name;
+
+    /* Copy the values.  This is needed to be able to set v_lock to VAR_FIXED
+     * in the copy without changing the original list items. */
+    copy_tv(&si1->item->li_tv, &argv[0]);
+    copy_tv(&si2->item->li_tv, &argv[1]);
+
+    rettv.v_type = VAR_UNKNOWN;		/* clear_tv() uses this */
+    res = call_func(func_name, (int)STRLEN(func_name),
+				 &rettv, 2, argv, 0L, 0L, &dummy, TRUE,
+				 partial, sortinfo->item_compare_selfdict);
+    clear_tv(&argv[0]);
+    clear_tv(&argv[1]);
+
+    if (res == FAIL)
+	res = ITEM_COMPARE_FAIL;
+    else
+	res = (int)get_tv_number_chk(&rettv, &sortinfo->item_compare_func_err);
+    if (sortinfo->item_compare_func_err)
+	res = ITEM_COMPARE_FAIL;  /* return value has wrong type */
+    clear_tv(&rettv);
+
+    /* When the result would be zero, compare the pointers themselves.  Makes
+     * the sort stable. */
+    if (res == 0 && !sortinfo->item_compare_keep_zero)
+	res = si1->idx > si2->idx ? 1 : -1;
+
+    return res;
+}
+
+/*
+ * "sort({list})" function
+ */
+    static void
+do_sort_uniq(typval_T *argvars, typval_T *rettv, int sort)
+{
+    list_T	*l;
+    listitem_T	*li;
+    sortItem_T	*ptrs;
+    sortinfo_T	*old_sortinfo;
+    sortinfo_T	info;
+    long	len;
+    long	i;
+
+    /* Pointer to current info struct used in compare function. Save and
+     * restore the current one for nested calls. */
+    old_sortinfo = sortinfo;
+    sortinfo = &info;
+
+    if (argvars[0].v_type != VAR_LIST)
+	EMSG2(_(e_listarg), sort ? "sort()" : "uniq()");
+    else
+    {
+	l = argvars[0].vval.v_list;
+	if (l == NULL || tv_check_lock(l->lv_lock,
+	     (char_u *)(sort ? N_("sort() argument") : N_("uniq() argument")),
+									TRUE))
+	    goto theend;
+	rettv->vval.v_list = l;
+	rettv->v_type = VAR_LIST;
+	++l->lv_refcount;
+
+	len = list_len(l);
+	if (len <= 1)
+	    goto theend;	/* short list sorts pretty quickly */
+
+	info.item_compare_ic = FALSE;
+	info.item_compare_numeric = FALSE;
+	info.item_compare_numbers = FALSE;
+#ifdef FEAT_FLOAT
+	info.item_compare_float = FALSE;
+#endif
+	info.item_compare_func = NULL;
+	info.item_compare_partial = NULL;
+	info.item_compare_selfdict = NULL;
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	{
+	    /* optional second argument: {func} */
+	    if (argvars[1].v_type == VAR_FUNC)
+		info.item_compare_func = argvars[1].vval.v_string;
+	    else if (argvars[1].v_type == VAR_PARTIAL)
+		info.item_compare_partial = argvars[1].vval.v_partial;
+	    else
+	    {
+		int	    error = FALSE;
+
+		i = (long)get_tv_number_chk(&argvars[1], &error);
+		if (error)
+		    goto theend;	/* type error; errmsg already given */
+		if (i == 1)
+		    info.item_compare_ic = TRUE;
+		else if (argvars[1].v_type != VAR_NUMBER)
+		    info.item_compare_func = get_tv_string(&argvars[1]);
+		else if (i != 0)
+		{
+		    EMSG(_(e_invarg));
+		    goto theend;
+		}
+		if (info.item_compare_func != NULL)
+		{
+		    if (*info.item_compare_func == NUL)
+		    {
+			/* empty string means default sort */
+			info.item_compare_func = NULL;
+		    }
+		    else if (STRCMP(info.item_compare_func, "n") == 0)
+		    {
+			info.item_compare_func = NULL;
+			info.item_compare_numeric = TRUE;
+		    }
+		    else if (STRCMP(info.item_compare_func, "N") == 0)
+		    {
+			info.item_compare_func = NULL;
+			info.item_compare_numbers = TRUE;
+		    }
+#ifdef FEAT_FLOAT
+		    else if (STRCMP(info.item_compare_func, "f") == 0)
+		    {
+			info.item_compare_func = NULL;
+			info.item_compare_float = TRUE;
+		    }
+#endif
+		    else if (STRCMP(info.item_compare_func, "i") == 0)
+		    {
+			info.item_compare_func = NULL;
+			info.item_compare_ic = TRUE;
+		    }
+		}
+	    }
+
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		/* optional third argument: {dict} */
+		if (argvars[2].v_type != VAR_DICT)
+		{
+		    EMSG(_(e_dictreq));
+		    goto theend;
+		}
+		info.item_compare_selfdict = argvars[2].vval.v_dict;
+	    }
+	}
+
+	/* Make an array with each entry pointing to an item in the List. */
+	ptrs = (sortItem_T *)alloc((int)(len * sizeof(sortItem_T)));
+	if (ptrs == NULL)
+	    goto theend;
+
+	i = 0;
+	if (sort)
+	{
+	    /* sort(): ptrs will be the list to sort */
+	    for (li = l->lv_first; li != NULL; li = li->li_next)
+	    {
+		ptrs[i].item = li;
+		ptrs[i].idx = i;
+		++i;
+	    }
+
+	    info.item_compare_func_err = FALSE;
+	    info.item_compare_keep_zero = FALSE;
+	    /* test the compare function */
+	    if ((info.item_compare_func != NULL
+					 || info.item_compare_partial != NULL)
+		    && item_compare2((void *)&ptrs[0], (void *)&ptrs[1])
+							 == ITEM_COMPARE_FAIL)
+		EMSG(_("E702: Sort compare function failed"));
+	    else
+	    {
+		/* Sort the array with item pointers. */
+		qsort((void *)ptrs, (size_t)len, sizeof(sortItem_T),
+		    info.item_compare_func == NULL
+					  && info.item_compare_partial == NULL
+					       ? item_compare : item_compare2);
+
+		if (!info.item_compare_func_err)
+		{
+		    /* Clear the List and append the items in sorted order. */
+		    l->lv_first = l->lv_last = l->lv_idx_item = NULL;
+		    l->lv_len = 0;
+		    for (i = 0; i < len; ++i)
+			list_append(l, ptrs[i].item);
+		}
+	    }
+	}
+	else
+	{
+	    int	(*item_compare_func_ptr)(const void *, const void *);
+
+	    /* f_uniq(): ptrs will be a stack of items to remove */
+	    info.item_compare_func_err = FALSE;
+	    info.item_compare_keep_zero = TRUE;
+	    item_compare_func_ptr = info.item_compare_func != NULL
+					  || info.item_compare_partial != NULL
+					       ? item_compare2 : item_compare;
+
+	    for (li = l->lv_first; li != NULL && li->li_next != NULL;
+							     li = li->li_next)
+	    {
+		if (item_compare_func_ptr((void *)&li, (void *)&li->li_next)
+									 == 0)
+		    ptrs[i++].item = li;
+		if (info.item_compare_func_err)
+		{
+		    EMSG(_("E882: Uniq compare function failed"));
+		    break;
+		}
+	    }
+
+	    if (!info.item_compare_func_err)
+	    {
+		while (--i >= 0)
+		{
+		    li = ptrs[i].item->li_next;
+		    ptrs[i].item->li_next = li->li_next;
+		    if (li->li_next != NULL)
+			li->li_next->li_prev = ptrs[i].item;
+		    else
+			l->lv_last = ptrs[i].item;
+		    list_fix_watch(l, li);
+		    listitem_free(li);
+		    l->lv_len--;
+		}
+	    }
+	}
+
+	vim_free(ptrs);
+    }
+theend:
+    sortinfo = old_sortinfo;
+}
+
+/*
+ * "sort({list})" function
+ */
+    static void
+f_sort(typval_T *argvars, typval_T *rettv)
+{
+    do_sort_uniq(argvars, rettv, TRUE);
+}
+
+/*
+ * "uniq({list})" function
+ */
+    static void
+f_uniq(typval_T *argvars, typval_T *rettv)
+{
+    do_sort_uniq(argvars, rettv, FALSE);
+}
+
+/*
+ * "soundfold({word})" function
+ */
+    static void
+f_soundfold(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*s;
+
+    rettv->v_type = VAR_STRING;
+    s = get_tv_string(&argvars[0]);
+#ifdef FEAT_SPELL
+    rettv->vval.v_string = eval_soundfold(s);
+#else
+    rettv->vval.v_string = vim_strsave(s);
+#endif
+}
+
+/*
+ * "spellbadword()" function
+ */
+    static void
+f_spellbadword(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    char_u	*word = (char_u *)"";
+    hlf_T	attr = HLF_COUNT;
+    int		len = 0;
+
+    if (rettv_list_alloc(rettv) == FAIL)
+	return;
+
+#ifdef FEAT_SPELL
+    if (argvars[0].v_type == VAR_UNKNOWN)
+    {
+	/* Find the start and length of the badly spelled word. */
+	len = spell_move_to(curwin, FORWARD, TRUE, TRUE, &attr);
+	if (len != 0)
+	    word = ml_get_cursor();
+    }
+    else if (curwin->w_p_spell && *curbuf->b_s.b_p_spl != NUL)
+    {
+	char_u	*str = get_tv_string_chk(&argvars[0]);
+	int	capcol = -1;
+
+	if (str != NULL)
+	{
+	    /* Check the argument for spelling. */
+	    while (*str != NUL)
+	    {
+		len = spell_check(curwin, str, &attr, &capcol, FALSE);
+		if (attr != HLF_COUNT)
+		{
+		    word = str;
+		    break;
+		}
+		str += len;
+	    }
+	}
+    }
+#endif
+
+    list_append_string(rettv->vval.v_list, word, len);
+    list_append_string(rettv->vval.v_list, (char_u *)(
+			attr == HLF_SPB ? "bad" :
+			attr == HLF_SPR ? "rare" :
+			attr == HLF_SPL ? "local" :
+			attr == HLF_SPC ? "caps" :
+			""), -1);
+}
+
+/*
+ * "spellsuggest()" function
+ */
+    static void
+f_spellsuggest(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_SPELL
+    char_u	*str;
+    int		typeerr = FALSE;
+    int		maxcount;
+    garray_T	ga;
+    int		i;
+    listitem_T	*li;
+    int		need_capital = FALSE;
+#endif
+
+    if (rettv_list_alloc(rettv) == FAIL)
+	return;
+
+#ifdef FEAT_SPELL
+    if (curwin->w_p_spell && *curwin->w_s->b_p_spl != NUL)
+    {
+	str = get_tv_string(&argvars[0]);
+	if (argvars[1].v_type != VAR_UNKNOWN)
+	{
+	    maxcount = (int)get_tv_number_chk(&argvars[1], &typeerr);
+	    if (maxcount <= 0)
+		return;
+	    if (argvars[2].v_type != VAR_UNKNOWN)
+	    {
+		need_capital = (int)get_tv_number_chk(&argvars[2], &typeerr);
+		if (typeerr)
+		    return;
+	    }
+	}
+	else
+	    maxcount = 25;
+
+	spell_suggest_list(&ga, str, maxcount, need_capital, FALSE);
+
+	for (i = 0; i < ga.ga_len; ++i)
+	{
+	    str = ((char_u **)ga.ga_data)[i];
+
+	    li = listitem_alloc();
+	    if (li == NULL)
+		vim_free(str);
+	    else
+	    {
+		li->li_tv.v_type = VAR_STRING;
+		li->li_tv.v_lock = 0;
+		li->li_tv.vval.v_string = str;
+		list_append(rettv->vval.v_list, li);
+	    }
+	}
+	ga_clear(&ga);
+    }
+#endif
+}
+
+    static void
+f_split(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*str;
+    char_u	*end;
+    char_u	*pat = NULL;
+    regmatch_T	regmatch;
+    char_u	patbuf[NUMBUFLEN];
+    char_u	*save_cpo;
+    int		match;
+    colnr_T	col = 0;
+    int		keepempty = FALSE;
+    int		typeerr = FALSE;
+
+    /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
+    save_cpo = p_cpo;
+    p_cpo = (char_u *)"";
+
+    str = get_tv_string(&argvars[0]);
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	pat = get_tv_string_buf_chk(&argvars[1], patbuf);
+	if (pat == NULL)
+	    typeerr = TRUE;
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	    keepempty = (int)get_tv_number_chk(&argvars[2], &typeerr);
+    }
+    if (pat == NULL || *pat == NUL)
+	pat = (char_u *)"[\\x01- ]\\+";
+
+    if (rettv_list_alloc(rettv) == FAIL)
+	return;
+    if (typeerr)
+	return;
+
+    regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
+    if (regmatch.regprog != NULL)
+    {
+	regmatch.rm_ic = FALSE;
+	while (*str != NUL || keepempty)
+	{
+	    if (*str == NUL)
+		match = FALSE;	/* empty item at the end */
+	    else
+		match = vim_regexec_nl(&regmatch, str, col);
+	    if (match)
+		end = regmatch.startp[0];
+	    else
+		end = str + STRLEN(str);
+	    if (keepempty || end > str || (rettv->vval.v_list->lv_len > 0
+			   && *str != NUL && match && end < regmatch.endp[0]))
+	    {
+		if (list_append_string(rettv->vval.v_list, str,
+						    (int)(end - str)) == FAIL)
+		    break;
+	    }
+	    if (!match)
+		break;
+	    /* Advance to just after the match. */
+	    if (regmatch.endp[0] > str)
+		col = 0;
+	    else
+	    {
+		/* Don't get stuck at the same match. */
+#ifdef FEAT_MBYTE
+		col = (*mb_ptr2len)(regmatch.endp[0]);
+#else
+		col = 1;
+#endif
+	    }
+	    str = regmatch.endp[0];
+	}
+
+	vim_regfree(regmatch.regprog);
+    }
+
+    p_cpo = save_cpo;
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "sqrt()" function
+ */
+    static void
+f_sqrt(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = sqrt(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "str2float()" function
+ */
+    static void
+f_str2float(typval_T *argvars, typval_T *rettv)
+{
+    char_u *p = skipwhite(get_tv_string(&argvars[0]));
+
+    if (*p == '+')
+	p = skipwhite(p + 1);
+    (void)string2float(p, &rettv->vval.v_float);
+    rettv->v_type = VAR_FLOAT;
+}
+#endif
+
+/*
+ * "str2nr()" function
+ */
+    static void
+f_str2nr(typval_T *argvars, typval_T *rettv)
+{
+    int		base = 10;
+    char_u	*p;
+    varnumber_T	n;
+    int		what;
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	base = (int)get_tv_number(&argvars[1]);
+	if (base != 2 && base != 8 && base != 10 && base != 16)
+	{
+	    EMSG(_(e_invarg));
+	    return;
+	}
+    }
+
+    p = skipwhite(get_tv_string(&argvars[0]));
+    if (*p == '+')
+	p = skipwhite(p + 1);
+    switch (base)
+    {
+	case 2: what = STR2NR_BIN + STR2NR_FORCE; break;
+	case 8: what = STR2NR_OCT + STR2NR_FORCE; break;
+	case 16: what = STR2NR_HEX + STR2NR_FORCE; break;
+	default: what = 0;
+    }
+    vim_str2nr(p, NULL, NULL, what, &n, NULL, 0);
+    rettv->vval.v_number = n;
+}
+
+#ifdef HAVE_STRFTIME
+/*
+ * "strftime({format}[, {time}])" function
+ */
+    static void
+f_strftime(typval_T *argvars, typval_T *rettv)
+{
+    char_u	result_buf[256];
+    struct tm	*curtime;
+    time_t	seconds;
+    char_u	*p;
+
+    rettv->v_type = VAR_STRING;
+
+    p = get_tv_string(&argvars[0]);
+    if (argvars[1].v_type == VAR_UNKNOWN)
+	seconds = time(NULL);
+    else
+	seconds = (time_t)get_tv_number(&argvars[1]);
+    curtime = localtime(&seconds);
+    /* MSVC returns NULL for an invalid value of seconds. */
+    if (curtime == NULL)
+	rettv->vval.v_string = vim_strsave((char_u *)_("(Invalid)"));
+    else
+    {
+# ifdef FEAT_MBYTE
+	vimconv_T   conv;
+	char_u	    *enc;
+
+	conv.vc_type = CONV_NONE;
+	enc = enc_locale();
+	convert_setup(&conv, p_enc, enc);
+	if (conv.vc_type != CONV_NONE)
+	    p = string_convert(&conv, p, NULL);
+# endif
+	if (p != NULL)
+	    (void)strftime((char *)result_buf, sizeof(result_buf),
+							  (char *)p, curtime);
+	else
+	    result_buf[0] = NUL;
+
+# ifdef FEAT_MBYTE
+	if (conv.vc_type != CONV_NONE)
+	    vim_free(p);
+	convert_setup(&conv, enc, p_enc);
+	if (conv.vc_type != CONV_NONE)
+	    rettv->vval.v_string = string_convert(&conv, result_buf, NULL);
+	else
+# endif
+	    rettv->vval.v_string = vim_strsave(result_buf);
+
+# ifdef FEAT_MBYTE
+	/* Release conversion descriptors */
+	convert_setup(&conv, NULL, NULL);
+	vim_free(enc);
+# endif
+    }
+}
+#endif
+
+/*
+ * "strgetchar()" function
+ */
+    static void
+f_strgetchar(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*str;
+    int		len;
+    int		error = FALSE;
+    int		charidx;
+
+    rettv->vval.v_number = -1;
+    str = get_tv_string_chk(&argvars[0]);
+    if (str == NULL)
+	return;
+    len = (int)STRLEN(str);
+    charidx = (int)get_tv_number_chk(&argvars[1], &error);
+    if (error)
+	return;
+#ifdef FEAT_MBYTE
+    {
+	int	byteidx = 0;
+
+	while (charidx >= 0 && byteidx < len)
+	{
+	    if (charidx == 0)
+	    {
+		rettv->vval.v_number = mb_ptr2char(str + byteidx);
+		break;
+	    }
+	    --charidx;
+	    byteidx += mb_cptr2len(str + byteidx);
+	}
+    }
+#else
+    if (charidx < len)
+	rettv->vval.v_number = str[charidx];
+#endif
+}
+
+/*
+ * "stridx()" function
+ */
+    static void
+f_stridx(typval_T *argvars, typval_T *rettv)
+{
+    char_u	buf[NUMBUFLEN];
+    char_u	*needle;
+    char_u	*haystack;
+    char_u	*save_haystack;
+    char_u	*pos;
+    int		start_idx;
+
+    needle = get_tv_string_chk(&argvars[1]);
+    save_haystack = haystack = get_tv_string_buf_chk(&argvars[0], buf);
+    rettv->vval.v_number = -1;
+    if (needle == NULL || haystack == NULL)
+	return;		/* type error; errmsg already given */
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	int	    error = FALSE;
+
+	start_idx = (int)get_tv_number_chk(&argvars[2], &error);
+	if (error || start_idx >= (int)STRLEN(haystack))
+	    return;
+	if (start_idx >= 0)
+	    haystack += start_idx;
+    }
+
+    pos	= (char_u *)strstr((char *)haystack, (char *)needle);
+    if (pos != NULL)
+	rettv->vval.v_number = (varnumber_T)(pos - save_haystack);
+}
+
+/*
+ * "string()" function
+ */
+    static void
+f_string(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*tofree;
+    char_u	numbuf[NUMBUFLEN];
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = tv2string(&argvars[0], &tofree, numbuf,
+								get_copyID());
+    /* Make a copy if we have a value but it's not in allocated memory. */
+    if (rettv->vval.v_string != NULL && tofree == NULL)
+	rettv->vval.v_string = vim_strsave(rettv->vval.v_string);
+}
+
+/*
+ * "strlen()" function
+ */
+    static void
+f_strlen(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = (varnumber_T)(STRLEN(
+					      get_tv_string(&argvars[0])));
+}
+
+/*
+ * "strchars()" function
+ */
+    static void
+f_strchars(typval_T *argvars, typval_T *rettv)
+{
+    char_u		*s = get_tv_string(&argvars[0]);
+    int			skipcc = 0;
+#ifdef FEAT_MBYTE
+    varnumber_T		len = 0;
+    int			(*func_mb_ptr2char_adv)(char_u **pp);
+#endif
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+	skipcc = (int)get_tv_number_chk(&argvars[1], NULL);
+    if (skipcc < 0 || skipcc > 1)
+	EMSG(_(e_invarg));
+    else
+    {
+#ifdef FEAT_MBYTE
+	func_mb_ptr2char_adv = skipcc ? mb_ptr2char_adv : mb_cptr2char_adv;
+	while (*s != NUL)
+	{
+	    func_mb_ptr2char_adv(&s);
+	    ++len;
+	}
+	rettv->vval.v_number = len;
+#else
+	rettv->vval.v_number = (varnumber_T)(STRLEN(s));
+#endif
+    }
+}
+
+/*
+ * "strdisplaywidth()" function
+ */
+    static void
+f_strdisplaywidth(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*s = get_tv_string(&argvars[0]);
+    int		col = 0;
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+	col = (int)get_tv_number(&argvars[1]);
+
+    rettv->vval.v_number = (varnumber_T)(linetabsize_col(col, s) - col);
+}
+
+/*
+ * "strwidth()" function
+ */
+    static void
+f_strwidth(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*s = get_tv_string(&argvars[0]);
+
+    rettv->vval.v_number = (varnumber_T)(
+#ifdef FEAT_MBYTE
+	    mb_string2cells(s, -1)
+#else
+	    STRLEN(s)
+#endif
+	    );
+}
+
+/*
+ * "strcharpart()" function
+ */
+    static void
+f_strcharpart(typval_T *argvars, typval_T *rettv)
+{
+#ifdef FEAT_MBYTE
+    char_u	*p;
+    int		nchar;
+    int		nbyte = 0;
+    int		charlen;
+    int		len = 0;
+    int		slen;
+    int		error = FALSE;
+
+    p = get_tv_string(&argvars[0]);
+    slen = (int)STRLEN(p);
+
+    nchar = (int)get_tv_number_chk(&argvars[1], &error);
+    if (!error)
+    {
+	if (nchar > 0)
+	    while (nchar > 0 && nbyte < slen)
+	    {
+		nbyte += mb_cptr2len(p + nbyte);
+		--nchar;
+	    }
+	else
+	    nbyte = nchar;
+	if (argvars[2].v_type != VAR_UNKNOWN)
+	{
+	    charlen = (int)get_tv_number(&argvars[2]);
+	    while (charlen > 0 && nbyte + len < slen)
+	    {
+		int off = nbyte + len;
+
+		if (off < 0)
+		    len += 1;
+		else
+		    len += mb_cptr2len(p + off);
+		--charlen;
+	    }
+	}
+	else
+	    len = slen - nbyte;    /* default: all bytes that are available. */
+    }
+
+    /*
+     * Only return the overlap between the specified part and the actual
+     * string.
+     */
+    if (nbyte < 0)
+    {
+	len += nbyte;
+	nbyte = 0;
+    }
+    else if (nbyte > slen)
+	nbyte = slen;
+    if (len < 0)
+	len = 0;
+    else if (nbyte + len > slen)
+	len = slen - nbyte;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = vim_strnsave(p + nbyte, len);
+#else
+    f_strpart(argvars, rettv);
+#endif
+}
+
+/*
+ * "strpart()" function
+ */
+    static void
+f_strpart(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+    int		n;
+    int		len;
+    int		slen;
+    int		error = FALSE;
+
+    p = get_tv_string(&argvars[0]);
+    slen = (int)STRLEN(p);
+
+    n = (int)get_tv_number_chk(&argvars[1], &error);
+    if (error)
+	len = 0;
+    else if (argvars[2].v_type != VAR_UNKNOWN)
+	len = (int)get_tv_number(&argvars[2]);
+    else
+	len = slen - n;	    /* default len: all bytes that are available. */
+
+    /*
+     * Only return the overlap between the specified part and the actual
+     * string.
+     */
+    if (n < 0)
+    {
+	len += n;
+	n = 0;
+    }
+    else if (n > slen)
+	n = slen;
+    if (len < 0)
+	len = 0;
+    else if (n + len > slen)
+	len = slen - n;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = vim_strnsave(p + n, len);
+}
+
+/*
+ * "strridx()" function
+ */
+    static void
+f_strridx(typval_T *argvars, typval_T *rettv)
+{
+    char_u	buf[NUMBUFLEN];
+    char_u	*needle;
+    char_u	*haystack;
+    char_u	*rest;
+    char_u	*lastmatch = NULL;
+    int		haystack_len, end_idx;
+
+    needle = get_tv_string_chk(&argvars[1]);
+    haystack = get_tv_string_buf_chk(&argvars[0], buf);
+
+    rettv->vval.v_number = -1;
+    if (needle == NULL || haystack == NULL)
+	return;		/* type error; errmsg already given */
+
+    haystack_len = (int)STRLEN(haystack);
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	/* Third argument: upper limit for index */
+	end_idx = (int)get_tv_number_chk(&argvars[2], NULL);
+	if (end_idx < 0)
+	    return;	/* can never find a match */
+    }
+    else
+	end_idx = haystack_len;
+
+    if (*needle == NUL)
+    {
+	/* Empty string matches past the end. */
+	lastmatch = haystack + end_idx;
+    }
+    else
+    {
+	for (rest = haystack; *rest != '\0'; ++rest)
+	{
+	    rest = (char_u *)strstr((char *)rest, (char *)needle);
+	    if (rest == NULL || rest > haystack + end_idx)
+		break;
+	    lastmatch = rest;
+	}
+    }
+
+    if (lastmatch == NULL)
+	rettv->vval.v_number = -1;
+    else
+	rettv->vval.v_number = (varnumber_T)(lastmatch - haystack);
+}
+
+/*
+ * "strtrans()" function
+ */
+    static void
+f_strtrans(typval_T *argvars, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = transstr(get_tv_string(&argvars[0]));
+}
+
+/*
+ * "submatch()" function
+ */
+    static void
+f_submatch(typval_T *argvars, typval_T *rettv)
+{
+    int		error = FALSE;
+    int		no;
+    int		retList = 0;
+
+    no = (int)get_tv_number_chk(&argvars[0], &error);
+    if (error)
+	return;
+    error = FALSE;
+    if (argvars[1].v_type != VAR_UNKNOWN)
+	retList = (int)get_tv_number_chk(&argvars[1], &error);
+    if (error)
+	return;
+
+    if (retList == 0)
+    {
+	rettv->v_type = VAR_STRING;
+	rettv->vval.v_string = reg_submatch(no);
+    }
+    else
+    {
+	rettv->v_type = VAR_LIST;
+	rettv->vval.v_list = reg_submatch_list(no);
+    }
+}
+
+/*
+ * "substitute()" function
+ */
+    static void
+f_substitute(typval_T *argvars, typval_T *rettv)
+{
+    char_u	patbuf[NUMBUFLEN];
+    char_u	subbuf[NUMBUFLEN];
+    char_u	flagsbuf[NUMBUFLEN];
+
+    char_u	*str = get_tv_string_chk(&argvars[0]);
+    char_u	*pat = get_tv_string_buf_chk(&argvars[1], patbuf);
+    char_u	*sub = get_tv_string_buf_chk(&argvars[2], subbuf);
+    char_u	*flg = get_tv_string_buf_chk(&argvars[3], flagsbuf);
+
+    rettv->v_type = VAR_STRING;
+    if (str == NULL || pat == NULL || sub == NULL || flg == NULL)
+	rettv->vval.v_string = NULL;
+    else
+	rettv->vval.v_string = do_string_sub(str, pat, sub, flg);
+}
+
+/*
+ * "synID(lnum, col, trans)" function
+ */
+    static void
+f_synID(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		id = 0;
+#ifdef FEAT_SYN_HL
+    linenr_T	lnum;
+    colnr_T	col;
+    int		trans;
+    int		transerr = FALSE;
+
+    lnum = get_tv_lnum(argvars);		/* -1 on type error */
+    col = (linenr_T)get_tv_number(&argvars[1]) - 1;	/* -1 on type error */
+    trans = (int)get_tv_number_chk(&argvars[2], &transerr);
+
+    if (!transerr && lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
+	    && col >= 0 && col < (long)STRLEN(ml_get(lnum)))
+	id = syn_get_id(curwin, lnum, (colnr_T)col, trans, NULL, FALSE);
+#endif
+
+    rettv->vval.v_number = id;
+}
+
+/*
+ * "synIDattr(id, what [, mode])" function
+ */
+    static void
+f_synIDattr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    char_u	*p = NULL;
+#ifdef FEAT_SYN_HL
+    int		id;
+    char_u	*what;
+    char_u	*mode;
+    char_u	modebuf[NUMBUFLEN];
+    int		modec;
+
+    id = (int)get_tv_number(&argvars[0]);
+    what = get_tv_string(&argvars[1]);
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	mode = get_tv_string_buf(&argvars[2], modebuf);
+	modec = TOLOWER_ASC(mode[0]);
+	if (modec != 't' && modec != 'c' && modec != 'g')
+	    modec = 0;	/* replace invalid with current */
+    }
+    else
+    {
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+	if (USE_24BIT)
+	    modec = 'g';
+	else
+#endif
+	    if (t_colors > 1)
+	    modec = 'c';
+	else
+	    modec = 't';
+    }
+
+
+    switch (TOLOWER_ASC(what[0]))
+    {
+	case 'b':
+		if (TOLOWER_ASC(what[1]) == 'g')	/* bg[#] */
+		    p = highlight_color(id, what, modec);
+		else					/* bold */
+		    p = highlight_has_attr(id, HL_BOLD, modec);
+		break;
+
+	case 'f':					/* fg[#] or font */
+		p = highlight_color(id, what, modec);
+		break;
+
+	case 'i':
+		if (TOLOWER_ASC(what[1]) == 'n')	/* inverse */
+		    p = highlight_has_attr(id, HL_INVERSE, modec);
+		else					/* italic */
+		    p = highlight_has_attr(id, HL_ITALIC, modec);
+		break;
+
+	case 'n':					/* name */
+		p = get_highlight_name(NULL, id - 1);
+		break;
+
+	case 'r':					/* reverse */
+		p = highlight_has_attr(id, HL_INVERSE, modec);
+		break;
+
+	case 's':
+		if (TOLOWER_ASC(what[1]) == 'p')	/* sp[#] */
+		    p = highlight_color(id, what, modec);
+		else					/* standout */
+		    p = highlight_has_attr(id, HL_STANDOUT, modec);
+		break;
+
+	case 'u':
+		if (STRLEN(what) <= 5 || TOLOWER_ASC(what[5]) != 'c')
+							/* underline */
+		    p = highlight_has_attr(id, HL_UNDERLINE, modec);
+		else
+							/* undercurl */
+		    p = highlight_has_attr(id, HL_UNDERCURL, modec);
+		break;
+    }
+
+    if (p != NULL)
+	p = vim_strsave(p);
+#endif
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = p;
+}
+
+/*
+ * "synIDtrans(id)" function
+ */
+    static void
+f_synIDtrans(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		id;
+
+#ifdef FEAT_SYN_HL
+    id = (int)get_tv_number(&argvars[0]);
+
+    if (id > 0)
+	id = syn_get_final_id(id);
+    else
+#endif
+	id = 0;
+
+    rettv->vval.v_number = id;
+}
+
+/*
+ * "synconcealed(lnum, col)" function
+ */
+    static void
+f_synconcealed(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#if defined(FEAT_SYN_HL) && defined(FEAT_CONCEAL)
+    linenr_T	lnum;
+    colnr_T	col;
+    int		syntax_flags = 0;
+    int		cchar;
+    int		matchid = 0;
+    char_u	str[NUMBUFLEN];
+#endif
+
+    rettv->v_type = VAR_LIST;
+    rettv->vval.v_list = NULL;
+
+#if defined(FEAT_SYN_HL) && defined(FEAT_CONCEAL)
+    lnum = get_tv_lnum(argvars);		/* -1 on type error */
+    col = (colnr_T)get_tv_number(&argvars[1]) - 1;	/* -1 on type error */
+
+    vim_memset(str, NUL, sizeof(str));
+
+    if (rettv_list_alloc(rettv) != FAIL)
+    {
+	if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
+	    && col >= 0 && col <= (long)STRLEN(ml_get(lnum))
+	    && curwin->w_p_cole > 0)
+	{
+	    (void)syn_get_id(curwin, lnum, col, FALSE, NULL, FALSE);
+	    syntax_flags = get_syntax_info(&matchid);
+
+	    /* get the conceal character */
+	    if ((syntax_flags & HL_CONCEAL) && curwin->w_p_cole < 3)
+	    {
+		cchar = syn_get_sub_char();
+		if (cchar == NUL && curwin->w_p_cole == 1 && lcs_conceal != NUL)
+		    cchar = lcs_conceal;
+		if (cchar != NUL)
+		{
+# ifdef FEAT_MBYTE
+		    if (has_mbyte)
+			(*mb_char2bytes)(cchar, str);
+		    else
+# endif
+			str[0] = cchar;
+		}
+	    }
+	}
+
+	list_append_number(rettv->vval.v_list,
+					    (syntax_flags & HL_CONCEAL) != 0);
+	/* -1 to auto-determine strlen */
+	list_append_string(rettv->vval.v_list, str, -1);
+	list_append_number(rettv->vval.v_list, matchid);
+    }
+#endif
+}
+
+/*
+ * "synstack(lnum, col)" function
+ */
+    static void
+f_synstack(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_SYN_HL
+    linenr_T	lnum;
+    colnr_T	col;
+    int		i;
+    int		id;
+#endif
+
+    rettv->v_type = VAR_LIST;
+    rettv->vval.v_list = NULL;
+
+#ifdef FEAT_SYN_HL
+    lnum = get_tv_lnum(argvars);		/* -1 on type error */
+    col = (colnr_T)get_tv_number(&argvars[1]) - 1;	/* -1 on type error */
+
+    if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
+	    && col >= 0 && col <= (long)STRLEN(ml_get(lnum))
+	    && rettv_list_alloc(rettv) != FAIL)
+    {
+	(void)syn_get_id(curwin, lnum, (colnr_T)col, FALSE, NULL, TRUE);
+	for (i = 0; ; ++i)
+	{
+	    id = syn_get_stack_item(i);
+	    if (id < 0)
+		break;
+	    if (list_append_number(rettv->vval.v_list, id) == FAIL)
+		break;
+	}
+    }
+#endif
+}
+
+    static void
+get_cmd_output_as_rettv(
+    typval_T	*argvars,
+    typval_T	*rettv,
+    int		retlist)
+{
+    char_u	*res = NULL;
+    char_u	*p;
+    char_u	*infile = NULL;
+    char_u	buf[NUMBUFLEN];
+    int		err = FALSE;
+    FILE	*fd;
+    list_T	*list = NULL;
+    int		flags = SHELL_SILENT;
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+    if (check_restricted() || check_secure())
+	goto errret;
+
+    if (argvars[1].v_type != VAR_UNKNOWN)
+    {
+	/*
+	 * Write the string to a temp file, to be used for input of the shell
+	 * command.
+	 */
+	if ((infile = vim_tempname('i', TRUE)) == NULL)
+	{
+	    EMSG(_(e_notmp));
+	    goto errret;
+	}
+
+	fd = mch_fopen((char *)infile, WRITEBIN);
+	if (fd == NULL)
+	{
+	    EMSG2(_(e_notopen), infile);
+	    goto errret;
+	}
+	if (argvars[1].v_type == VAR_LIST)
+	{
+	    if (write_list(fd, argvars[1].vval.v_list, TRUE) == FAIL)
+		err = TRUE;
+	}
+	else
+	{
+	    size_t len;
+
+	    p = get_tv_string_buf_chk(&argvars[1], buf);
+	    if (p == NULL)
+	    {
+		fclose(fd);
+		goto errret;		/* type error; errmsg already given */
+	    }
+	    len = STRLEN(p);
+	    if (len > 0 && fwrite(p, len, 1, fd) != 1)
+		err = TRUE;
+	}
+	if (fclose(fd) != 0)
+	    err = TRUE;
+	if (err)
+	{
+	    EMSG(_("E677: Error writing temp file"));
+	    goto errret;
+	}
+    }
+
+    /* Omit SHELL_COOKED when invoked with ":silent".  Avoids that the shell
+     * echoes typeahead, that messes up the display. */
+    if (!msg_silent)
+	flags += SHELL_COOKED;
+
+    if (retlist)
+    {
+	int		len;
+	listitem_T	*li;
+	char_u		*s = NULL;
+	char_u		*start;
+	char_u		*end;
+	int		i;
+
+	res = get_cmd_output(get_tv_string(&argvars[0]), infile, flags, &len);
+	if (res == NULL)
+	    goto errret;
+
+	list = list_alloc();
+	if (list == NULL)
+	    goto errret;
+
+	for (i = 0; i < len; ++i)
+	{
+	    start = res + i;
+	    while (i < len && res[i] != NL)
+		++i;
+	    end = res + i;
+
+	    s = alloc((unsigned)(end - start + 1));
+	    if (s == NULL)
+		goto errret;
+
+	    for (p = s; start < end; ++p, ++start)
+		*p = *start == NUL ? NL : *start;
+	    *p = NUL;
+
+	    li = listitem_alloc();
+	    if (li == NULL)
+	    {
+		vim_free(s);
+		goto errret;
+	    }
+	    li->li_tv.v_type = VAR_STRING;
+	    li->li_tv.v_lock = 0;
+	    li->li_tv.vval.v_string = s;
+	    list_append(list, li);
+	}
+
+	++list->lv_refcount;
+	rettv->v_type = VAR_LIST;
+	rettv->vval.v_list = list;
+	list = NULL;
+    }
+    else
+    {
+	res = get_cmd_output(get_tv_string(&argvars[0]), infile, flags, NULL);
+#ifdef USE_CR
+	/* translate <CR> into <NL> */
+	if (res != NULL)
+	{
+	    char_u	*s;
+
+	    for (s = res; *s; ++s)
+	    {
+		if (*s == CAR)
+		    *s = NL;
+	    }
+	}
+#else
+# ifdef USE_CRNL
+	/* translate <CR><NL> into <NL> */
+	if (res != NULL)
+	{
+	    char_u	*s, *d;
+
+	    d = res;
+	    for (s = res; *s; ++s)
+	    {
+		if (s[0] == CAR && s[1] == NL)
+		    ++s;
+		*d++ = *s;
+	    }
+	    *d = NUL;
+	}
+# endif
+#endif
+	rettv->vval.v_string = res;
+	res = NULL;
+    }
+
+errret:
+    if (infile != NULL)
+    {
+	mch_remove(infile);
+	vim_free(infile);
+    }
+    if (res != NULL)
+	vim_free(res);
+    if (list != NULL)
+	list_free(list);
+}
+
+/*
+ * "system()" function
+ */
+    static void
+f_system(typval_T *argvars, typval_T *rettv)
+{
+    get_cmd_output_as_rettv(argvars, rettv, FALSE);
+}
+
+/*
+ * "systemlist()" function
+ */
+    static void
+f_systemlist(typval_T *argvars, typval_T *rettv)
+{
+    get_cmd_output_as_rettv(argvars, rettv, TRUE);
+}
+
+/*
+ * "tabpagebuflist()" function
+ */
+    static void
+f_tabpagebuflist(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_WINDOWS
+    tabpage_T	*tp;
+    win_T	*wp = NULL;
+
+    if (argvars[0].v_type == VAR_UNKNOWN)
+	wp = firstwin;
+    else
+    {
+	tp = find_tabpage((int)get_tv_number(&argvars[0]));
+	if (tp != NULL)
+	    wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
+    }
+    if (wp != NULL && rettv_list_alloc(rettv) != FAIL)
+    {
+	for (; wp != NULL; wp = wp->w_next)
+	    if (list_append_number(rettv->vval.v_list,
+						wp->w_buffer->b_fnum) == FAIL)
+		break;
+    }
+#endif
+}
+
+
+/*
+ * "tabpagenr()" function
+ */
+    static void
+f_tabpagenr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		nr = 1;
+#ifdef FEAT_WINDOWS
+    char_u	*arg;
+
+    if (argvars[0].v_type != VAR_UNKNOWN)
+    {
+	arg = get_tv_string_chk(&argvars[0]);
+	nr = 0;
+	if (arg != NULL)
+	{
+	    if (STRCMP(arg, "$") == 0)
+		nr = tabpage_index(NULL) - 1;
+	    else
+		EMSG2(_(e_invexpr2), arg);
+	}
+    }
+    else
+	nr = tabpage_index(curtab);
+#endif
+    rettv->vval.v_number = nr;
+}
+
+
+#ifdef FEAT_WINDOWS
+static int get_winnr(tabpage_T *tp, typval_T *argvar);
+
+/*
+ * Common code for tabpagewinnr() and winnr().
+ */
+    static int
+get_winnr(tabpage_T *tp, typval_T *argvar)
+{
+    win_T	*twin;
+    int		nr = 1;
+    win_T	*wp;
+    char_u	*arg;
+
+    twin = (tp == curtab) ? curwin : tp->tp_curwin;
+    if (argvar->v_type != VAR_UNKNOWN)
+    {
+	arg = get_tv_string_chk(argvar);
+	if (arg == NULL)
+	    nr = 0;		/* type error; errmsg already given */
+	else if (STRCMP(arg, "$") == 0)
+	    twin = (tp == curtab) ? lastwin : tp->tp_lastwin;
+	else if (STRCMP(arg, "#") == 0)
+	{
+	    twin = (tp == curtab) ? prevwin : tp->tp_prevwin;
+	    if (twin == NULL)
+		nr = 0;
+	}
+	else
+	{
+	    EMSG2(_(e_invexpr2), arg);
+	    nr = 0;
+	}
+    }
+
+    if (nr > 0)
+	for (wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
+					      wp != twin; wp = wp->w_next)
+	{
+	    if (wp == NULL)
+	    {
+		/* didn't find it in this tabpage */
+		nr = 0;
+		break;
+	    }
+	    ++nr;
+	}
+    return nr;
+}
+#endif
+
+/*
+ * "tabpagewinnr()" function
+ */
+    static void
+f_tabpagewinnr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		nr = 1;
+#ifdef FEAT_WINDOWS
+    tabpage_T	*tp;
+
+    tp = find_tabpage((int)get_tv_number(&argvars[0]));
+    if (tp == NULL)
+	nr = 0;
+    else
+	nr = get_winnr(tp, &argvars[1]);
+#endif
+    rettv->vval.v_number = nr;
+}
+
+
+/*
+ * "tagfiles()" function
+ */
+    static void
+f_tagfiles(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    char_u	*fname;
+    tagname_T	tn;
+    int		first;
+
+    if (rettv_list_alloc(rettv) == FAIL)
+	return;
+    fname = alloc(MAXPATHL);
+    if (fname == NULL)
+	return;
+
+    for (first = TRUE; ; first = FALSE)
+	if (get_tagfname(&tn, first, fname) == FAIL
+		|| list_append_string(rettv->vval.v_list, fname, -1) == FAIL)
+	    break;
+    tagname_free(&tn);
+    vim_free(fname);
+}
+
+/*
+ * "taglist()" function
+ */
+    static void
+f_taglist(typval_T *argvars, typval_T *rettv)
+{
+    char_u  *tag_pattern;
+
+    tag_pattern = get_tv_string(&argvars[0]);
+
+    rettv->vval.v_number = FALSE;
+    if (*tag_pattern == NUL)
+	return;
+
+    if (rettv_list_alloc(rettv) == OK)
+	(void)get_tags(rettv->vval.v_list, tag_pattern);
+}
+
+/*
+ * "tempname()" function
+ */
+    static void
+f_tempname(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    static int	x = 'A';
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = vim_tempname(x, FALSE);
+
+    /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
+     * names.  Skip 'I' and 'O', they are used for shell redirection. */
+    do
+    {
+	if (x == 'Z')
+	    x = '0';
+	else if (x == '9')
+	    x = 'A';
+	else
+	{
+#ifdef EBCDIC
+	    if (x == 'I')
+		x = 'J';
+	    else if (x == 'R')
+		x = 'S';
+	    else
+#endif
+		++x;
+	}
+    } while (x == 'I' || x == 'O');
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "tan()" function
+ */
+    static void
+f_tan(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = tan(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+
+/*
+ * "tanh()" function
+ */
+    static void
+f_tanh(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	rettv->vval.v_float = tanh(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "test_alloc_fail(id, countdown, repeat)" function
+ */
+    static void
+f_test_alloc_fail(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    if (argvars[0].v_type != VAR_NUMBER
+	    || argvars[0].vval.v_number <= 0
+	    || argvars[1].v_type != VAR_NUMBER
+	    || argvars[1].vval.v_number < 0
+	    || argvars[2].v_type != VAR_NUMBER)
+	EMSG(_(e_invarg));
+    else
+    {
+	alloc_fail_id = argvars[0].vval.v_number;
+	if (alloc_fail_id >= aid_last)
+	    EMSG(_(e_invarg));
+	alloc_fail_countdown = argvars[1].vval.v_number;
+	alloc_fail_repeat = argvars[2].vval.v_number;
+	did_outofmem_msg = FALSE;
+    }
+}
+
+/*
+ * "test_autochdir()"
+ */
+    static void
+f_test_autochdir(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#if defined(FEAT_AUTOCHDIR)
+    test_autochdir = TRUE;
+#endif
+}
+
+/*
+ * "test_disable_char_avail({expr})" function
+ */
+    static void
+f_test_disable_char_avail(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    disable_char_avail_for_testing = (int)get_tv_number(&argvars[0]);
+}
+
+/*
+ * "test_garbagecollect_now()" function
+ */
+    static void
+f_test_garbagecollect_now(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+    /* This is dangerous, any Lists and Dicts used internally may be freed
+     * while still in use. */
+    garbage_collect(TRUE);
+}
+
+#ifdef FEAT_JOB_CHANNEL
+    static void
+f_test_null_channel(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_CHANNEL;
+    rettv->vval.v_channel = NULL;
+}
+#endif
+
+    static void
+f_test_null_dict(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_DICT;
+    rettv->vval.v_dict = NULL;
+}
+
+#ifdef FEAT_JOB_CHANNEL
+    static void
+f_test_null_job(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_JOB;
+    rettv->vval.v_job = NULL;
+}
+#endif
+
+    static void
+f_test_null_list(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_LIST;
+    rettv->vval.v_list = NULL;
+}
+
+    static void
+f_test_null_partial(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_PARTIAL;
+    rettv->vval.v_partial = NULL;
+}
+
+    static void
+f_test_null_string(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+}
+
+    static void
+f_test_settime(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    time_for_testing = (time_t)get_tv_number(&argvars[0]);
+}
+
+#if defined(FEAT_JOB_CHANNEL) || defined(FEAT_TIMERS) || defined(PROTO)
+/*
+ * Get a callback from "arg".  It can be a Funcref or a function name.
+ * When "arg" is zero return an empty string.
+ * Return NULL for an invalid argument.
+ */
+    char_u *
+get_callback(typval_T *arg, partial_T **pp)
+{
+    if (arg->v_type == VAR_PARTIAL && arg->vval.v_partial != NULL)
+    {
+	*pp = arg->vval.v_partial;
+	++(*pp)->pt_refcount;
+	return (*pp)->pt_name;
+    }
+    *pp = NULL;
+    if (arg->v_type == VAR_FUNC)
+    {
+	func_ref(arg->vval.v_string);
+	return arg->vval.v_string;
+    }
+    if (arg->v_type == VAR_STRING)
+	return arg->vval.v_string;
+    if (arg->v_type == VAR_NUMBER && arg->vval.v_number == 0)
+	return (char_u *)"";
+    EMSG(_("E921: Invalid callback argument"));
+    return NULL;
+}
+
+/*
+ * Unref/free "callback" and "partial" retured by get_callback().
+ */
+    void
+free_callback(char_u *callback, partial_T *partial)
+{
+    if (partial != NULL)
+	partial_unref(partial);
+    else if (callback != NULL)
+    {
+	func_unref(callback);
+	vim_free(callback);
+    }
+}
+#endif
+
+#ifdef FEAT_TIMERS
+/*
+ * "timer_start(time, callback [, options])" function
+ */
+    static void
+f_timer_start(typval_T *argvars, typval_T *rettv)
+{
+    long    msec = (long)get_tv_number(&argvars[0]);
+    timer_T *timer;
+    int	    repeat = 0;
+    char_u  *callback;
+    dict_T  *dict;
+
+    if (check_secure())
+	return;
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	if (argvars[2].v_type != VAR_DICT
+				   || (dict = argvars[2].vval.v_dict) == NULL)
+	{
+	    EMSG2(_(e_invarg2), get_tv_string(&argvars[2]));
+	    return;
+	}
+	if (dict_find(dict, (char_u *)"repeat", -1) != NULL)
+	    repeat = get_dict_number(dict, (char_u *)"repeat");
+    }
+
+    timer = create_timer(msec, repeat);
+    callback = get_callback(&argvars[1], &timer->tr_partial);
+    if (callback == NULL)
+    {
+	stop_timer(timer);
+	rettv->vval.v_number = -1;
+    }
+    else
+    {
+	timer->tr_callback = vim_strsave(callback);
+	rettv->vval.v_number = timer->tr_id;
+    }
+}
+
+/*
+ * "timer_stop(timer)" function
+ */
+    static void
+f_timer_stop(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    timer_T *timer;
+
+    if (argvars[0].v_type != VAR_NUMBER)
+    {
+	EMSG(_(e_number_exp));
+	return;
+    }
+    timer = find_timer((int)get_tv_number(&argvars[0]));
+    if (timer != NULL)
+	stop_timer(timer);
+}
+#endif
+
+/*
+ * "tolower(string)" function
+ */
+    static void
+f_tolower(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*p;
+
+    p = vim_strsave(get_tv_string(&argvars[0]));
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = p;
+
+    if (p != NULL)
+	while (*p != NUL)
+	{
+#ifdef FEAT_MBYTE
+	    int		l;
+
+	    if (enc_utf8)
+	    {
+		int c, lc;
+
+		c = utf_ptr2char(p);
+		lc = utf_tolower(c);
+		l = utf_ptr2len(p);
+		/* TODO: reallocate string when byte count changes. */
+		if (utf_char2len(lc) == l)
+		    utf_char2bytes(lc, p);
+		p += l;
+	    }
+	    else if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
+		p += l;		/* skip multi-byte character */
+	    else
+#endif
+	    {
+		*p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */
+		++p;
+	    }
+	}
+}
+
+/*
+ * "toupper(string)" function
+ */
+    static void
+f_toupper(typval_T *argvars, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = strup_save(get_tv_string(&argvars[0]));
+}
+
+/*
+ * "tr(string, fromstr, tostr)" function
+ */
+    static void
+f_tr(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*in_str;
+    char_u	*fromstr;
+    char_u	*tostr;
+    char_u	*p;
+#ifdef FEAT_MBYTE
+    int		inlen;
+    int		fromlen;
+    int		tolen;
+    int		idx;
+    char_u	*cpstr;
+    int		cplen;
+    int		first = TRUE;
+#endif
+    char_u	buf[NUMBUFLEN];
+    char_u	buf2[NUMBUFLEN];
+    garray_T	ga;
+
+    in_str = get_tv_string(&argvars[0]);
+    fromstr = get_tv_string_buf_chk(&argvars[1], buf);
+    tostr = get_tv_string_buf_chk(&argvars[2], buf2);
+
+    /* Default return value: empty string. */
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = NULL;
+    if (fromstr == NULL || tostr == NULL)
+	    return;		/* type error; errmsg already given */
+    ga_init2(&ga, (int)sizeof(char), 80);
+
+#ifdef FEAT_MBYTE
+    if (!has_mbyte)
+#endif
+	/* not multi-byte: fromstr and tostr must be the same length */
+	if (STRLEN(fromstr) != STRLEN(tostr))
+	{
+#ifdef FEAT_MBYTE
+error:
+#endif
+	    EMSG2(_(e_invarg2), fromstr);
+	    ga_clear(&ga);
+	    return;
+	}
+
+    /* fromstr and tostr have to contain the same number of chars */
+    while (*in_str != NUL)
+    {
+#ifdef FEAT_MBYTE
+	if (has_mbyte)
+	{
+	    inlen = (*mb_ptr2len)(in_str);
+	    cpstr = in_str;
+	    cplen = inlen;
+	    idx = 0;
+	    for (p = fromstr; *p != NUL; p += fromlen)
+	    {
+		fromlen = (*mb_ptr2len)(p);
+		if (fromlen == inlen && STRNCMP(in_str, p, inlen) == 0)
+		{
+		    for (p = tostr; *p != NUL; p += tolen)
+		    {
+			tolen = (*mb_ptr2len)(p);
+			if (idx-- == 0)
+			{
+			    cplen = tolen;
+			    cpstr = p;
+			    break;
+			}
+		    }
+		    if (*p == NUL)	/* tostr is shorter than fromstr */
+			goto error;
+		    break;
+		}
+		++idx;
+	    }
+
+	    if (first && cpstr == in_str)
+	    {
+		/* Check that fromstr and tostr have the same number of
+		 * (multi-byte) characters.  Done only once when a character
+		 * of in_str doesn't appear in fromstr. */
+		first = FALSE;
+		for (p = tostr; *p != NUL; p += tolen)
+		{
+		    tolen = (*mb_ptr2len)(p);
+		    --idx;
+		}
+		if (idx != 0)
+		    goto error;
+	    }
+
+	    (void)ga_grow(&ga, cplen);
+	    mch_memmove((char *)ga.ga_data + ga.ga_len, cpstr, (size_t)cplen);
+	    ga.ga_len += cplen;
+
+	    in_str += inlen;
+	}
+	else
+#endif
+	{
+	    /* When not using multi-byte chars we can do it faster. */
+	    p = vim_strchr(fromstr, *in_str);
+	    if (p != NULL)
+		ga_append(&ga, tostr[p - fromstr]);
+	    else
+		ga_append(&ga, *in_str);
+	    ++in_str;
+	}
+    }
+
+    /* add a terminating NUL */
+    (void)ga_grow(&ga, 1);
+    ga_append(&ga, NUL);
+
+    rettv->vval.v_string = ga.ga_data;
+}
+
+#ifdef FEAT_FLOAT
+/*
+ * "trunc({float})" function
+ */
+    static void
+f_trunc(typval_T *argvars, typval_T *rettv)
+{
+    float_T	f = 0.0;
+
+    rettv->v_type = VAR_FLOAT;
+    if (get_float_arg(argvars, &f) == OK)
+	/* trunc() is not in C90, use floor() or ceil() instead. */
+	rettv->vval.v_float = f > 0 ? floor(f) : ceil(f);
+    else
+	rettv->vval.v_float = 0.0;
+}
+#endif
+
+/*
+ * "type(expr)" function
+ */
+    static void
+f_type(typval_T *argvars, typval_T *rettv)
+{
+    int n = -1;
+
+    switch (argvars[0].v_type)
+    {
+	case VAR_NUMBER: n = 0; break;
+	case VAR_STRING: n = 1; break;
+	case VAR_PARTIAL:
+	case VAR_FUNC:   n = 2; break;
+	case VAR_LIST:   n = 3; break;
+	case VAR_DICT:   n = 4; break;
+	case VAR_FLOAT:  n = 5; break;
+	case VAR_SPECIAL:
+	     if (argvars[0].vval.v_number == VVAL_FALSE
+		     || argvars[0].vval.v_number == VVAL_TRUE)
+		 n = 6;
+	     else
+		 n = 7;
+	     break;
+	case VAR_JOB:     n = 8; break;
+	case VAR_CHANNEL: n = 9; break;
+	case VAR_UNKNOWN:
+	     EMSG2(_(e_intern2), "f_type(UNKNOWN)");
+	     n = -1;
+	     break;
+    }
+    rettv->vval.v_number = n;
+}
+
+/*
+ * "undofile(name)" function
+ */
+    static void
+f_undofile(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    rettv->v_type = VAR_STRING;
+#ifdef FEAT_PERSISTENT_UNDO
+    {
+	char_u *fname = get_tv_string(&argvars[0]);
+
+	if (*fname == NUL)
+	{
+	    /* If there is no file name there will be no undo file. */
+	    rettv->vval.v_string = NULL;
+	}
+	else
+	{
+	    char_u *ffname = FullName_save(fname, FALSE);
+
+	    if (ffname != NULL)
+		rettv->vval.v_string = u_get_undo_file_name(ffname, FALSE);
+	    vim_free(ffname);
+	}
+    }
+#else
+    rettv->vval.v_string = NULL;
+#endif
+}
+
+/*
+ * "undotree()" function
+ */
+    static void
+f_undotree(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    if (rettv_dict_alloc(rettv) == OK)
+    {
+	dict_T *dict = rettv->vval.v_dict;
+	list_T *list;
+
+	dict_add_nr_str(dict, "synced", (long)curbuf->b_u_synced, NULL);
+	dict_add_nr_str(dict, "seq_last", curbuf->b_u_seq_last, NULL);
+	dict_add_nr_str(dict, "save_last",
+					(long)curbuf->b_u_save_nr_last, NULL);
+	dict_add_nr_str(dict, "seq_cur", curbuf->b_u_seq_cur, NULL);
+	dict_add_nr_str(dict, "time_cur", (long)curbuf->b_u_time_cur, NULL);
+	dict_add_nr_str(dict, "save_cur", (long)curbuf->b_u_save_nr_cur, NULL);
+
+	list = list_alloc();
+	if (list != NULL)
+	{
+	    u_eval_tree(curbuf->b_u_oldhead, list);
+	    dict_add_list(dict, "entries", list);
+	}
+    }
+}
+
+/*
+ * "values(dict)" function
+ */
+    static void
+f_values(typval_T *argvars, typval_T *rettv)
+{
+    dict_list(argvars, rettv, 1);
+}
+
+/*
+ * "virtcol(string)" function
+ */
+    static void
+f_virtcol(typval_T *argvars, typval_T *rettv)
+{
+    colnr_T	vcol = 0;
+    pos_T	*fp;
+    int		fnum = curbuf->b_fnum;
+
+    fp = var2fpos(&argvars[0], FALSE, &fnum);
+    if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count
+						    && fnum == curbuf->b_fnum)
+    {
+	getvvcol(curwin, fp, NULL, NULL, &vcol);
+	++vcol;
+    }
+
+    rettv->vval.v_number = vcol;
+}
+
+/*
+ * "visualmode()" function
+ */
+    static void
+f_visualmode(typval_T *argvars, typval_T *rettv)
+{
+    char_u	str[2];
+
+    rettv->v_type = VAR_STRING;
+    str[0] = curbuf->b_visual_mode_eval;
+    str[1] = NUL;
+    rettv->vval.v_string = vim_strsave(str);
+
+    /* A non-zero number or non-empty string argument: reset mode. */
+    if (non_zero_arg(&argvars[0]))
+	curbuf->b_visual_mode_eval = NUL;
+}
+
+/*
+ * "wildmenumode()" function
+ */
+    static void
+f_wildmenumode(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_WILDMENU
+    if (wild_menu_showing)
+	rettv->vval.v_number = 1;
+#endif
+}
+
+/*
+ * "winbufnr(nr)" function
+ */
+    static void
+f_winbufnr(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*wp;
+
+    wp = find_win_by_nr(&argvars[0], NULL);
+    if (wp == NULL)
+	rettv->vval.v_number = -1;
+    else
+	rettv->vval.v_number = wp->w_buffer->b_fnum;
+}
+
+/*
+ * "wincol()" function
+ */
+    static void
+f_wincol(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    validate_cursor();
+    rettv->vval.v_number = curwin->w_wcol + 1;
+}
+
+/*
+ * "winheight(nr)" function
+ */
+    static void
+f_winheight(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*wp;
+
+    wp = find_win_by_nr(&argvars[0], NULL);
+    if (wp == NULL)
+	rettv->vval.v_number = -1;
+    else
+	rettv->vval.v_number = wp->w_height;
+}
+
+/*
+ * "winline()" function
+ */
+    static void
+f_winline(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    validate_cursor();
+    rettv->vval.v_number = curwin->w_wrow + 1;
+}
+
+/*
+ * "winnr()" function
+ */
+    static void
+f_winnr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    int		nr = 1;
+
+#ifdef FEAT_WINDOWS
+    nr = get_winnr(curtab, &argvars[0]);
+#endif
+    rettv->vval.v_number = nr;
+}
+
+/*
+ * "winrestcmd()" function
+ */
+    static void
+f_winrestcmd(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_WINDOWS
+    win_T	*wp;
+    int		winnr = 1;
+    garray_T	ga;
+    char_u	buf[50];
+
+    ga_init2(&ga, (int)sizeof(char), 70);
+    for (wp = firstwin; wp != NULL; wp = wp->w_next)
+    {
+	sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height);
+	ga_concat(&ga, buf);
+	sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width);
+	ga_concat(&ga, buf);
+	++winnr;
+    }
+    ga_append(&ga, NUL);
+
+    rettv->vval.v_string = ga.ga_data;
+#else
+    rettv->vval.v_string = NULL;
+#endif
+    rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "winrestview()" function
+ */
+    static void
+f_winrestview(typval_T *argvars, typval_T *rettv UNUSED)
+{
+    dict_T	*dict;
+
+    if (argvars[0].v_type != VAR_DICT
+	    || (dict = argvars[0].vval.v_dict) == NULL)
+	EMSG(_(e_invarg));
+    else
+    {
+	if (dict_find(dict, (char_u *)"lnum", -1) != NULL)
+	    curwin->w_cursor.lnum = (linenr_T)get_dict_number(dict, (char_u *)"lnum");
+	if (dict_find(dict, (char_u *)"col", -1) != NULL)
+	    curwin->w_cursor.col = (colnr_T)get_dict_number(dict, (char_u *)"col");
+#ifdef FEAT_VIRTUALEDIT
+	if (dict_find(dict, (char_u *)"coladd", -1) != NULL)
+	    curwin->w_cursor.coladd = (colnr_T)get_dict_number(dict, (char_u *)"coladd");
+#endif
+	if (dict_find(dict, (char_u *)"curswant", -1) != NULL)
+	{
+	    curwin->w_curswant = (colnr_T)get_dict_number(dict, (char_u *)"curswant");
+	    curwin->w_set_curswant = FALSE;
+	}
+
+	if (dict_find(dict, (char_u *)"topline", -1) != NULL)
+	    set_topline(curwin, (linenr_T)get_dict_number(dict, (char_u *)"topline"));
+#ifdef FEAT_DIFF
+	if (dict_find(dict, (char_u *)"topfill", -1) != NULL)
+	    curwin->w_topfill = (int)get_dict_number(dict, (char_u *)"topfill");
+#endif
+	if (dict_find(dict, (char_u *)"leftcol", -1) != NULL)
+	    curwin->w_leftcol = (colnr_T)get_dict_number(dict, (char_u *)"leftcol");
+	if (dict_find(dict, (char_u *)"skipcol", -1) != NULL)
+	    curwin->w_skipcol = (colnr_T)get_dict_number(dict, (char_u *)"skipcol");
+
+	check_cursor();
+	win_new_height(curwin, curwin->w_height);
+# ifdef FEAT_WINDOWS
+	win_new_width(curwin, W_WIDTH(curwin));
+# endif
+	changed_window_setting();
+
+	if (curwin->w_topline <= 0)
+	    curwin->w_topline = 1;
+	if (curwin->w_topline > curbuf->b_ml.ml_line_count)
+	    curwin->w_topline = curbuf->b_ml.ml_line_count;
+#ifdef FEAT_DIFF
+	check_topfill(curwin, TRUE);
+#endif
+    }
+}
+
+/*
+ * "winsaveview()" function
+ */
+    static void
+f_winsaveview(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    dict_T	*dict;
+
+    if (rettv_dict_alloc(rettv) == FAIL)
+	return;
+    dict = rettv->vval.v_dict;
+
+    dict_add_nr_str(dict, "lnum", (long)curwin->w_cursor.lnum, NULL);
+    dict_add_nr_str(dict, "col", (long)curwin->w_cursor.col, NULL);
+#ifdef FEAT_VIRTUALEDIT
+    dict_add_nr_str(dict, "coladd", (long)curwin->w_cursor.coladd, NULL);
+#endif
+    update_curswant();
+    dict_add_nr_str(dict, "curswant", (long)curwin->w_curswant, NULL);
+
+    dict_add_nr_str(dict, "topline", (long)curwin->w_topline, NULL);
+#ifdef FEAT_DIFF
+    dict_add_nr_str(dict, "topfill", (long)curwin->w_topfill, NULL);
+#endif
+    dict_add_nr_str(dict, "leftcol", (long)curwin->w_leftcol, NULL);
+    dict_add_nr_str(dict, "skipcol", (long)curwin->w_skipcol, NULL);
+}
+
+/*
+ * "winwidth(nr)" function
+ */
+    static void
+f_winwidth(typval_T *argvars, typval_T *rettv)
+{
+    win_T	*wp;
+
+    wp = find_win_by_nr(&argvars[0], NULL);
+    if (wp == NULL)
+	rettv->vval.v_number = -1;
+    else
+#ifdef FEAT_WINDOWS
+	rettv->vval.v_number = wp->w_width;
+#else
+	rettv->vval.v_number = Columns;
+#endif
+}
+
+/*
+ * "wordcount()" function
+ */
+    static void
+f_wordcount(typval_T *argvars UNUSED, typval_T *rettv)
+{
+    if (rettv_dict_alloc(rettv) == FAIL)
+	return;
+    cursor_pos_info(rettv->vval.v_dict);
+}
+
+/*
+ * "writefile()" function
+ */
+    static void
+f_writefile(typval_T *argvars, typval_T *rettv)
+{
+    int		binary = FALSE;
+    int		append = FALSE;
+    char_u	*fname;
+    FILE	*fd;
+    int		ret = 0;
+
+    if (check_restricted() || check_secure())
+	return;
+
+    if (argvars[0].v_type != VAR_LIST)
+    {
+	EMSG2(_(e_listarg), "writefile()");
+	return;
+    }
+    if (argvars[0].vval.v_list == NULL)
+	return;
+
+    if (argvars[2].v_type != VAR_UNKNOWN)
+    {
+	if (vim_strchr(get_tv_string(&argvars[2]), 'b') != NULL)
+	    binary = TRUE;
+	if (vim_strchr(get_tv_string(&argvars[2]), 'a') != NULL)
+	    append = TRUE;
+    }
+
+    /* Always open the file in binary mode, library functions have a mind of
+     * their own about CR-LF conversion. */
+    fname = get_tv_string(&argvars[1]);
+    if (*fname == NUL || (fd = mch_fopen((char *)fname,
+				      append ? APPENDBIN : WRITEBIN)) == NULL)
+    {
+	EMSG2(_(e_notcreate), *fname == NUL ? (char_u *)_("<empty>") : fname);
+	ret = -1;
+    }
+    else
+    {
+	if (write_list(fd, argvars[0].vval.v_list, binary) == FAIL)
+	    ret = -1;
+	fclose(fd);
+    }
+
+    rettv->vval.v_number = ret;
+}
+
+/*
+ * "xor(expr, expr)" function
+ */
+    static void
+f_xor(typval_T *argvars, typval_T *rettv)
+{
+    rettv->vval.v_number = get_tv_number_chk(&argvars[0], NULL)
+					^ get_tv_number_chk(&argvars[1], NULL);
+}
+
+
+#endif /* FEAT_EVAL */
diff --git a/src/globals.h b/src/globals.h
index f33120214..b569680a4 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1538,6 +1538,8 @@ EXTERN char_u e_dictreq[]	INIT(= N_("E715: Dictionary required"));
 EXTERN char_u e_listidx[]	INIT(= N_("E684: list index out of range: %ld"));
 EXTERN char_u e_toomanyarg[]	INIT(= N_("E118: Too many arguments for function: %s"));
 EXTERN char_u e_dictkey[]	INIT(= N_("E716: Key not present in Dictionary: %s"));
+EXTERN char_u e_listreq[]	INIT(= N_("E714: List required"));
+EXTERN char_u e_listdictarg[]	INIT(= N_("E712: Argument of %s must be a List or Dictionary"));
 #endif
 #ifdef FEAT_QUICKFIX
 EXTERN char_u e_readerrf[]	INIT(= N_("E47: Error while reading errorfile"));
diff --git a/src/list.c b/src/list.c
index e3794b697..13f920039 100644
--- a/src/list.c
+++ b/src/list.c
@@ -884,4 +884,44 @@ failret:
     return OK;
 }
 
-#endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */
+/*
+ * Write list of strings to file
+ */
+    int
+write_list(FILE *fd, list_T *list, int binary)
+{
+    listitem_T	*li;
+    int		c;
+    int		ret = OK;
+    char_u	*s;
+
+    for (li = list->lv_first; li != NULL; li = li->li_next)
+    {
+	for (s = get_tv_string(&li->li_tv); *s != NUL; ++s)
+	{
+	    if (*s == '\n')
+		c = putc(NUL, fd);
+	    else
+		c = putc(*s, fd);
+	    if (c == EOF)
+	    {
+		ret = FAIL;
+		break;
+	    }
+	}
+	if (!binary || li->li_next != NULL)
+	    if (putc('\n', fd) == EOF)
+	    {
+		ret = FAIL;
+		break;
+	    }
+	if (ret == FAIL)
+	{
+	    EMSG(_(e_write));
+	    break;
+	}
+    }
+    return ret;
+}
+
+#endif /* defined(FEAT_EVAL) */
diff --git a/src/proto.h b/src/proto.h
index b3683af42..660abc9f0 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -72,6 +72,7 @@ extern int _stricoll(char *a, char *b);
 # include "digraph.pro"
 # include "edit.pro"
 # include "eval.pro"
+# include "evalfunc.pro"
 # include "ex_cmds.pro"
 # include "ex_cmds2.pro"
 # include "ex_docmd.pro"
diff --git a/src/proto/eval.pro b/src/proto/eval.pro
index d7315b058..c6d202d58 100644
--- a/src/proto/eval.pro
+++ b/src/proto/eval.pro
@@ -25,6 +25,7 @@ void *call_func_retlist(char_u *func, int argc, char_u **argv, int safe);
 int eval_foldexpr(char_u *arg, int *cp);
 void ex_let(exarg_T *eap);
 void list_hashtable_vars(hashtab_T *ht, char_u *prefix, int empty, int *first);
+int check_changedtick(char_u *arg);
 char_u *get_lval(char_u *name, typval_T *rettv, lval_T *lp, int unlet, int skip, int flags, int fne_flags);
 void clear_lval(lval_T *lp);
 void *eval_for_line(char_u *arg, int *errp, char_u **nextcmdp, int skip);
@@ -38,6 +39,7 @@ void del_menutrans_vars(void);
 char_u *get_user_var_name(expand_T *xp, int idx);
 int eval0(char_u *arg, typval_T *rettv, char_u **nextcmd, int evaluate);
 int eval1(char_u **arg, typval_T *rettv, int evaluate);
+int get_option_tv(char_u **arg, typval_T *rettv, int evaluate);
 void partial_unref(partial_T *pt);
 int tv_equal(typval_T *tv1, typval_T *tv2, int ic, int recursive);
 int get_copyID(void);
@@ -50,18 +52,10 @@ char_u *echo_string(typval_T *tv, char_u **tofree, char_u *numbuf, int copyID);
 char_u *tv2string(typval_T *tv, char_u **tofree, char_u *numbuf, int copyID);
 char_u *string_quote(char_u *str, int function);
 int string2float(char_u *text, float_T *value);
-char_u *get_function_name(expand_T *xp, int idx);
-char_u *get_expr_name(expand_T *xp, int idx);
-int find_internal_func(char_u *name);
-int call_internal_func(char_u *name, int argcount, typval_T *argvars, typval_T *rettv);
-buf_T *buflist_find_by_name(char_u *name, int curtab_only);
-void execute_redir_str(char_u *value, int value_len);
-void mzscheme_call_vim(char_u *name, typval_T *args, typval_T *rettv);
-float_T vim_round(float_T f);
-long do_searchpair(char_u *spat, char_u *mpat, char_u *epat, int dir, char_u *skip, int flags, pos_T *match_pos, linenr_T lnum_stop, long time_limit);
-char_u *get_callback(typval_T *arg, partial_T **pp);
-void free_callback(char_u *callback, partial_T *partial);
+pos_T *var2fpos(typval_T *varp, int dollar_lnum, int *fnum);
+int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp);
 int get_id_len(char_u **arg);
+int get_name_len(char_u **arg, char_u **alias, int evaluate, int verbose);
 char_u *find_name_end(char_u *arg, char_u **expr_start, char_u **expr_end, int flags);
 int eval_isnamec(int c);
 int eval_isnamec1(int c);
@@ -78,32 +72,43 @@ void set_reg_var(int c);
 char_u *v_exception(char_u *oldval);
 char_u *v_throwpoint(char_u *oldval);
 char_u *set_cmdarg(exarg_T *eap, char_u *oldarg);
+int get_var_tv(char_u *name, int len, typval_T *rettv, dictitem_T **dip, int verbose, int no_autoload);
 int handle_subscript(char_u **arg, typval_T *rettv, int evaluate, int verbose);
 typval_T *alloc_tv(void);
 void free_tv(typval_T *varp);
 void clear_tv(typval_T *varp);
+void init_tv(typval_T *varp);
 varnumber_T get_tv_number(typval_T *varp);
 varnumber_T get_tv_number_chk(typval_T *varp, int *denote);
+float_T get_tv_float(typval_T *varp);
 char_u *get_tv_string(typval_T *varp);
 char_u *get_tv_string_buf(typval_T *varp, char_u *buf);
 char_u *get_tv_string_chk(typval_T *varp);
 char_u *get_tv_string_buf_chk(typval_T *varp, char_u *buf);
 dictitem_T *find_var(char_u *name, hashtab_T **htp, int no_autoload);
+dictitem_T *find_var_in_ht(hashtab_T *ht, int htname, char_u *varname, int no_autoload);
 char_u *get_var_value(char_u *name);
 void new_script_vars(scid_T id);
 void init_var_dict(dict_T *dict, dictitem_T *dict_var, int scope);
 void unref_var_dict(dict_T *dict);
 void vars_clear(hashtab_T *ht);
 void vars_clear_ext(hashtab_T *ht, int free_val);
+void set_var(char_u *name, typval_T *tv, int copy);
 int var_check_ro(int flags, char_u *name, int use_gettext);
+int var_check_fixed(int flags, char_u *name, int use_gettext);
 int var_check_func_name(char_u *name, int new_var);
 int valid_varname(char_u *varname);
 int tv_check_lock(int lock, char_u *name, int use_gettext);
 void copy_tv(typval_T *from, typval_T *to);
 int item_copy(typval_T *from, typval_T *to, int deep, int copyID);
+void get_user_input(typval_T *argvars, typval_T *rettv, int inputdialog, int secret);
 void ex_echo(exarg_T *eap);
 void ex_echohl(exarg_T *eap);
 void ex_execute(exarg_T *eap);
+win_T *find_win_by_nr(typval_T *vp, tabpage_T *tp);
+win_T *find_tabwin(typval_T *wvp, typval_T *tvp);
+void getwinvar(typval_T *argvars, typval_T *rettv, int off);
+void setwinvar(typval_T *argvars, typval_T *rettv, int off);
 char_u *autoload_name(char_u *name);
 int script_autoload(char_u *name, int reload);
 int read_viminfo_varlist(vir_T *virp, int writing);
@@ -112,6 +117,15 @@ int store_session_globals(FILE *fd);
 void last_set_msg(scid_T scriptID);
 void ex_oldfiles(exarg_T *eap);
 void reset_v_option_vars(void);
+void prepare_assert_error(garray_T *gap);
+void assert_error(garray_T *gap);
+void assert_equal_common(typval_T *argvars, assert_type_T atype);
+void assert_match_common(typval_T *argvars, assert_type_T atype);
+void assert_bool(typval_T *argvars, int isTrue);
+void assert_exception(typval_T *argvars);
+void assert_fails(typval_T *argvars);
+void fill_assert_error(garray_T *gap, typval_T *opt_msg_tv, char_u *exp_str, typval_T *exp_tv, typval_T *got_tv, assert_type_T atype);
 int modify_fname(char_u *src, int *usedlen, char_u **fnamep, char_u **bufp, int *fnamelen);
 char_u *do_string_sub(char_u *str, char_u *pat, char_u *sub, char_u *flags);
+void filter_map(typval_T *argvars, typval_T *rettv, int map);
 /* vim: set ft=c : */
diff --git a/src/proto/evalfunc.pro b/src/proto/evalfunc.pro
new file mode 100644
index 000000000..c673e27a5
--- /dev/null
+++ b/src/proto/evalfunc.pro
@@ -0,0 +1,13 @@
+/* evalfunc.c */
+char_u *get_function_name(expand_T *xp, int idx);
+char_u *get_expr_name(expand_T *xp, int idx);
+int find_internal_func(char_u *name);
+int call_internal_func(char_u *name, int argcount, typval_T *argvars, typval_T *rettv);
+buf_T *buflist_find_by_name(char_u *name, int curtab_only);
+void execute_redir_str(char_u *value, int value_len);
+void mzscheme_call_vim(char_u *name, typval_T *args, typval_T *rettv);
+float_T vim_round(float_T f);
+long do_searchpair(char_u *spat, char_u *mpat, char_u *epat, int dir, char_u *skip, int flags, pos_T *match_pos, linenr_T lnum_stop, long time_limit);
+char_u *get_callback(typval_T *arg, partial_T **pp);
+void free_callback(char_u *callback, partial_T *partial);
+/* vim: set ft=c : */
diff --git a/src/proto/list.pro b/src/proto/list.pro
index 602166abe..984937959 100644
--- a/src/proto/list.pro
+++ b/src/proto/list.pro
@@ -31,4 +31,5 @@ void vimlist_remove(list_T *l, listitem_T *item, listitem_T *item2);
 char_u *list2string(typval_T *tv, int copyID, int restore_copyID);
 int list_join(garray_T *gap, list_T *l, char_u *sep, int echo_style, int restore_copyID, int copyID);
 int get_list_tv(char_u **arg, typval_T *rettv, int evaluate);
+int write_list(FILE *fd, list_T *list, int binary);
 /* vim: set ft=c : */
diff --git a/src/version.c b/src/version.c
index 665c93e92..e46a13f60 100644
--- a/src/version.c
+++ b/src/version.c
@@ -759,6 +759,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2063,
+/**/
     2062,
 /**/
     2061,
diff --git a/src/vim.h b/src/vim.h
index 49fb8704c..ed2ab4abd 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2051,6 +2051,15 @@ typedef struct _stat64 stat_T;
 typedef struct stat stat_T;
 #endif
 
+typedef enum
+{
+    ASSERT_EQUAL,
+    ASSERT_NOTEQUAL,
+    ASSERT_MATCH,
+    ASSERT_NOTMATCH,
+    ASSERT_OTHER
+} assert_type_T;
+
 #include "ex_cmds.h"	    /* Ex command defines */
 #include "proto.h"	    /* function prototypes */