merge from gcc

1 files changed, 170 insertions, 291 deletions

diff --git a/libiberty/regex.c b/libiberty/regex.c
index 3babf6cbe34..779998278b9 100644
--- a/libiberty/regex.c
+++ b/libiberty/regex.c
@@ -40,14 +40,6 @@
 
 #include <ansidecl.h>
 
-#ifndef PARAMS
-# if defined __GNUC__ || (defined __STDC__ && __STDC__)
-#  define PARAMS(args) args
-# else
-#  define PARAMS(args) ()
-# endif  /* GCC.  */
-#endif  /* Not PARAMS.  */
-
 #ifndef INSIDE_RECURSION
 
 # if defined STDC_HEADERS && !defined emacs
@@ -277,10 +269,10 @@ extern char *re_syntax_table;
 
 static char re_syntax_table[CHAR_SET_SIZE];
 
-static void init_syntax_once PARAMS ((void));
+static void init_syntax_once (void);
 
 static void
-init_syntax_once ()
+init_syntax_once (void)
 {
    register int c;
    static int done = 0;
@@ -411,44 +403,44 @@ typedef char boolean;
 # define false 0
 # define true 1
 
-static reg_errcode_t byte_regex_compile _RE_ARGS ((const char *pattern, size_t size,
-                                                   reg_syntax_t syntax,
-                                                   struct re_pattern_buffer *bufp));
-
-static int byte_re_match_2_internal PARAMS ((struct re_pattern_buffer *bufp,
-					     const char *string1, int size1,
-					     const char *string2, int size2,
-					     int pos,
-					     struct re_registers *regs,
-					     int stop));
-static int byte_re_search_2 PARAMS ((struct re_pattern_buffer *bufp,
-				     const char *string1, int size1,
-				     const char *string2, int size2,
-				     int startpos, int range,
-				     struct re_registers *regs, int stop));
-static int byte_re_compile_fastmap PARAMS ((struct re_pattern_buffer *bufp));
+static reg_errcode_t byte_regex_compile (const char *pattern, size_t size,
+                                         reg_syntax_t syntax,
+                                         struct re_pattern_buffer *bufp);
+
+static int byte_re_match_2_internal (struct re_pattern_buffer *bufp,
+                                     const char *string1, int size1,
+                                     const char *string2, int size2,
+                                     int pos,
+                                     struct re_registers *regs,
+                                     int stop);
+static int byte_re_search_2 (struct re_pattern_buffer *bufp,
+                             const char *string1, int size1,
+                             const char *string2, int size2,
+                             int startpos, int range,
+                             struct re_registers *regs, int stop);
+static int byte_re_compile_fastmap (struct re_pattern_buffer *bufp);
 
 #ifdef MBS_SUPPORT
-static reg_errcode_t wcs_regex_compile _RE_ARGS ((const char *pattern, size_t size,
-                                                   reg_syntax_t syntax,
-                                                   struct re_pattern_buffer *bufp));
-
-
-static int wcs_re_match_2_internal PARAMS ((struct re_pattern_buffer *bufp,
-					    const char *cstring1, int csize1,
-					    const char *cstring2, int csize2,
-					    int pos,
-					    struct re_registers *regs,
-					    int stop,
-					    wchar_t *string1, int size1,
-					    wchar_t *string2, int size2,
-					    int *mbs_offset1, int *mbs_offset2));
-static int wcs_re_search_2 PARAMS ((struct re_pattern_buffer *bufp,
-				    const char *string1, int size1,
-				    const char *string2, int size2,
-				    int startpos, int range,
-				    struct re_registers *regs, int stop));
-static int wcs_re_compile_fastmap PARAMS ((struct re_pattern_buffer *bufp));
+static reg_errcode_t wcs_regex_compile (const char *pattern, size_t size,
+                                        reg_syntax_t syntax,
+                                        struct re_pattern_buffer *bufp);
+
+
+static int wcs_re_match_2_internal (struct re_pattern_buffer *bufp,
+                                    const char *cstring1, int csize1,
+                                    const char *cstring2, int csize2,
+                                    int pos,
+                                    struct re_registers *regs,
+                                    int stop,
+                                    wchar_t *string1, int size1,
+                                    wchar_t *string2, int size2,
+                                    int *mbs_offset1, int *mbs_offset2);
+static int wcs_re_search_2 (struct re_pattern_buffer *bufp,
+                            const char *string1, int size1,
+                            const char *string2, int size2,
+                            int startpos, int range,
+                            struct re_registers *regs, int stop);
+static int wcs_re_compile_fastmap (struct re_pattern_buffer *bufp);
 #endif
 
 /* These are the command codes that appear in compiled regular
@@ -616,11 +608,7 @@ typedef enum
 # define UCHAR_T unsigned char
 # define COMPILED_BUFFER_VAR bufp->buffer
 # define OFFSET_ADDRESS_SIZE 2
-# if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
-#  define PREFIX(name) byte_##name
-# else
-#  define PREFIX(name) byte_/**/name
-# endif
+# define PREFIX(name) byte_##name
 # define ARG_PREFIX(name) name
 # define PUT_CHAR(c) putchar (c)
 #else
@@ -630,13 +618,8 @@ typedef enum
 #  define COMPILED_BUFFER_VAR wc_buffer
 #  define OFFSET_ADDRESS_SIZE 1 /* the size which STORE_NUMBER macro use */
 #  define CHAR_CLASS_SIZE ((__alignof__(wctype_t)+sizeof(wctype_t))/sizeof(CHAR_T)+1)
-#  if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
-#   define PREFIX(name) wcs_##name
-#   define ARG_PREFIX(name) c##name
-#  else
-#   define PREFIX(name) wcs_/**/name
-#   define ARG_PREFIX(name) c/**/name
-#  endif
+#  define PREFIX(name) wcs_##name
+#  define ARG_PREFIX(name) c##name
 /* Should we use wide stream??  */
 #  define PUT_CHAR(c) printf ("%C", c);
 #  define TRUE 1
@@ -703,11 +686,9 @@ typedef enum
 # endif
 
 # ifdef DEBUG
-static void PREFIX(extract_number) _RE_ARGS ((int *dest, UCHAR_T *source));
+static void PREFIX(extract_number) (int *dest, UCHAR_T *source);
 static void
-PREFIX(extract_number) (dest, source)
-    int *dest;
-    UCHAR_T *source;
+PREFIX(extract_number) (int *dest, UCHAR_T *source)
 {
 #  ifdef WCHAR
   *dest = *source;
@@ -735,12 +716,10 @@ PREFIX(extract_number) (dest, source)
   } while (0)
 
 # ifdef DEBUG
-static void PREFIX(extract_number_and_incr) _RE_ARGS ((int *destination,
-						       UCHAR_T **source));
+static void PREFIX(extract_number_and_incr) (int *destination,
+                                             UCHAR_T **source);
 static void
-PREFIX(extract_number_and_incr) (destination, source)
-    int *destination;
-    UCHAR_T **source;
+PREFIX(extract_number_and_incr) (int *destination, UCHAR_T **source)
 {
   PREFIX(extract_number) (destination, *source);
   *source += OFFSET_ADDRESS_SIZE;
@@ -791,8 +770,7 @@ static int debug;
 
 #  ifndef DEFINED_ONCE
 void
-print_fastmap (fastmap)
-    char *fastmap;
+print_fastmap (char *fastmap)
 {
   unsigned was_a_range = 0;
   unsigned i = 0;
@@ -824,9 +802,7 @@ print_fastmap (fastmap)
    the START pointer into it and ending just before the pointer END.  */
 
 void
-PREFIX(print_partial_compiled_pattern) (start, end)
-    UCHAR_T *start;
-    UCHAR_T *end;
+PREFIX(print_partial_compiled_pattern) (UCHAR_T *start, UCHAR_T *end)
 {
   int mcnt, mcnt2;
   UCHAR_T *p1;
@@ -1159,8 +1135,7 @@ PREFIX(print_partial_compiled_pattern) (start, end)
 
 
 void
-PREFIX(print_compiled_pattern) (bufp)
-    struct re_pattern_buffer *bufp;
+PREFIX(print_compiled_pattern) (struct re_pattern_buffer *bufp)
 {
   UCHAR_T *buffer = (UCHAR_T*) bufp->buffer;
 
@@ -1192,12 +1167,8 @@ PREFIX(print_compiled_pattern) (bufp)
 
 
 void
-PREFIX(print_double_string) (where, string1, size1, string2, size2)
-    const CHAR_T *where;
-    const CHAR_T *string1;
-    const CHAR_T *string2;
-    int size1;
-    int size2;
+PREFIX(print_double_string) (const CHAR_T *where, const CHAR_T *string1,
+                             int size1, const CHAR_T *string2, int size2)
 {
   int this_char;
 
@@ -1230,8 +1201,7 @@ PREFIX(print_double_string) (where, string1, size1, string2, size2)
 
 #  ifndef DEFINED_ONCE
 void
-printchar (c)
-     int c;
+printchar (int c)
 {
   putc (c, stderr);
 }
@@ -1268,11 +1238,8 @@ static size_t convert_mbs_to_wcs (CHAR_T *dest, const unsigned char* src,
 				  size_t len, int *offset_buffer,
 				  char *is_binary);
 static size_t
-convert_mbs_to_wcs (dest, src, len, offset_buffer, is_binary)
-     CHAR_T *dest;
-     const unsigned char* src;
-     size_t len; /* the length of multibyte string.  */
-
+convert_mbs_to_wcs (CHAR_T *dest, const unsigned char*src, size_t len,
+                    int *offset_buffer, char *is_binary)
      /* It hold correspondances between src(char string) and
 	dest(wchar_t string) for optimization.
 	e.g. src  = "xxxyzz"
@@ -1282,8 +1249,6 @@ convert_mbs_to_wcs (dest, src, len, offset_buffer, is_binary)
 	  offset_buffer = {0, 0+3("xxx"), 0+3+1("y"), 0+3+1+2("zz")}
 	  	        = {0, 3, 4, 6}
      */
-     int *offset_buffer;
-     char *is_binary;
 {
   wchar_t *pdest = dest;
   const unsigned char *psrc = src;
@@ -1354,8 +1319,7 @@ reg_syntax_t re_syntax_options;
    defined in regex.h.  We return the old syntax.  */
 
 reg_syntax_t
-re_set_syntax (syntax)
-    reg_syntax_t syntax;
+re_set_syntax (reg_syntax_t syntax)
 {
   reg_syntax_t ret = re_syntax_options;
 
@@ -1874,35 +1838,35 @@ static CHAR_T PREFIX(reg_unset_dummy);
 # define REG_UNSET(e) ((e) == REG_UNSET_VALUE)
 
 /* Subroutine declarations and macros for regex_compile.  */
-static void PREFIX(store_op1) _RE_ARGS ((re_opcode_t op, UCHAR_T *loc, int arg));
-static void PREFIX(store_op2) _RE_ARGS ((re_opcode_t op, UCHAR_T *loc,
-				 int arg1, int arg2));
-static void PREFIX(insert_op1) _RE_ARGS ((re_opcode_t op, UCHAR_T *loc,
-				  int arg, UCHAR_T *end));
-static void PREFIX(insert_op2) _RE_ARGS ((re_opcode_t op, UCHAR_T *loc,
-				  int arg1, int arg2, UCHAR_T *end));
-static boolean PREFIX(at_begline_loc_p) _RE_ARGS ((const CHAR_T *pattern,
-					   const CHAR_T *p,
-					   reg_syntax_t syntax));
-static boolean PREFIX(at_endline_loc_p) _RE_ARGS ((const CHAR_T *p,
-					   const CHAR_T *pend,
-					   reg_syntax_t syntax));
+static void PREFIX(store_op1) (re_opcode_t op, UCHAR_T *loc, int arg);
+static void PREFIX(store_op2) (re_opcode_t op, UCHAR_T *loc,
+                               int arg1, int arg2);
+static void PREFIX(insert_op1) (re_opcode_t op, UCHAR_T *loc,
+                                int arg, UCHAR_T *end);
+static void PREFIX(insert_op2) (re_opcode_t op, UCHAR_T *loc,
+                                int arg1, int arg2, UCHAR_T *end);
+static boolean PREFIX(at_begline_loc_p) (const CHAR_T *pattern,
+                                         const CHAR_T *p,
+                                         reg_syntax_t syntax);
+static boolean PREFIX(at_endline_loc_p) (const CHAR_T *p,
+                                         const CHAR_T *pend,
+                                         reg_syntax_t syntax);
 # ifdef WCHAR
-static reg_errcode_t wcs_compile_range _RE_ARGS ((CHAR_T range_start,
-						  const CHAR_T **p_ptr,
-						  const CHAR_T *pend,
-						  char *translate,
-						  reg_syntax_t syntax,
-						  UCHAR_T *b,
-						  CHAR_T *char_set));
-static void insert_space _RE_ARGS ((int num, CHAR_T *loc, CHAR_T *end));
+static reg_errcode_t wcs_compile_range (CHAR_T range_start,
+                                        const CHAR_T **p_ptr,
+                                        const CHAR_T *pend,
+                                        char *translate,
+                                        reg_syntax_t syntax,
+                                        UCHAR_T *b,
+                                        CHAR_T *char_set);
+static void insert_space (int num, CHAR_T *loc, CHAR_T *end);
 # else /* BYTE */
-static reg_errcode_t byte_compile_range _RE_ARGS ((unsigned int range_start,
-						   const char **p_ptr,
-						   const char *pend,
-						   char *translate,
-						   reg_syntax_t syntax,
-						   unsigned char *b));
+static reg_errcode_t byte_compile_range (unsigned int range_start,
+                                         const char **p_ptr,
+                                         const char *pend,
+                                         char *translate,
+                                         reg_syntax_t syntax,
+                                         unsigned char *b);
 # endif /* WCHAR */
 
 /* Fetch the next character in the uncompiled pattern---translating it
@@ -2260,8 +2224,7 @@ static PREFIX(register_info_type) *PREFIX(reg_info_dummy);
    but don't make them smaller.  */
 
 static void
-PREFIX(regex_grow_registers) (num_regs)
-     int num_regs;
+PREFIX(regex_grow_registers) (int num_regs)
 {
   if (num_regs > regs_allocated_size)
     {
@@ -2282,9 +2245,8 @@ PREFIX(regex_grow_registers) (num_regs)
 # endif /* not MATCH_MAY_ALLOCATE */
 
 # ifndef DEFINED_ONCE
-static boolean group_in_compile_stack _RE_ARGS ((compile_stack_type
-						 compile_stack,
-						 regnum_t regnum));
+static boolean group_in_compile_stack (compile_stack_type compile_stack,
+                                       regnum_t regnum);
 # endif /* not DEFINED_ONCE */
 
 /* `regex_compile' compiles PATTERN (of length SIZE) according to SYNTAX.
@@ -2315,11 +2277,9 @@ static boolean group_in_compile_stack _RE_ARGS ((compile_stack_type
 # endif /* WCHAR */
 
 static reg_errcode_t
-PREFIX(regex_compile) (ARG_PREFIX(pattern), ARG_PREFIX(size), syntax, bufp)
-     const char *ARG_PREFIX(pattern);
-     size_t ARG_PREFIX(size);
-     reg_syntax_t syntax;
-     struct re_pattern_buffer *bufp;
+PREFIX(regex_compile) (const char *ARG_PREFIX(pattern),
+                       size_t ARG_PREFIX(size), reg_syntax_t syntax,
+                       struct re_pattern_buffer *bufp)
 {
   /* We fetch characters from PATTERN here.  Even though PATTERN is
      `char *' (i.e., signed), we declare these variables as unsigned, so
@@ -4264,10 +4224,7 @@ PREFIX(regex_compile) (ARG_PREFIX(pattern), ARG_PREFIX(size), syntax, bufp)
 /* ifdef WCHAR, integer parameter is 1 wchar_t.  */
 
 static void
-PREFIX(store_op1) (op, loc, arg)
-    re_opcode_t op;
-    UCHAR_T *loc;
-    int arg;
+PREFIX(store_op1) (re_opcode_t op, UCHAR_T *loc, int arg)
 {
   *loc = (UCHAR_T) op;
   STORE_NUMBER (loc + 1, arg);
@@ -4278,10 +4235,7 @@ PREFIX(store_op1) (op, loc, arg)
 /* ifdef WCHAR, integer parameter is 1 wchar_t.  */
 
 static void
-PREFIX(store_op2) (op, loc, arg1, arg2)
-    re_opcode_t op;
-    UCHAR_T *loc;
-    int arg1, arg2;
+PREFIX(store_op2) (re_opcode_t op, UCHAR_T *loc, int arg1, int arg2)
 {
   *loc = (UCHAR_T) op;
   STORE_NUMBER (loc + 1, arg1);
@@ -4294,11 +4248,7 @@ PREFIX(store_op2) (op, loc, arg1, arg2)
 /* ifdef WCHAR, integer parameter is 1 wchar_t.  */
 
 static void
-PREFIX(insert_op1) (op, loc, arg, end)
-    re_opcode_t op;
-    UCHAR_T *loc;
-    int arg;
-    UCHAR_T *end;
+PREFIX(insert_op1) (re_opcode_t op, UCHAR_T *loc, int arg, UCHAR_T *end)
 {
   register UCHAR_T *pfrom = end;
   register UCHAR_T *pto = end + 1 + OFFSET_ADDRESS_SIZE;
@@ -4314,11 +4264,8 @@ PREFIX(insert_op1) (op, loc, arg, end)
 /* ifdef WCHAR, integer parameter is 1 wchar_t.  */
 
 static void
-PREFIX(insert_op2) (op, loc, arg1, arg2, end)
-    re_opcode_t op;
-    UCHAR_T *loc;
-    int arg1, arg2;
-    UCHAR_T *end;
+PREFIX(insert_op2) (re_opcode_t op, UCHAR_T *loc, int arg1,
+                    int arg2, UCHAR_T *end)
 {
   register UCHAR_T *pfrom = end;
   register UCHAR_T *pto = end + 1 + 2 * OFFSET_ADDRESS_SIZE;
@@ -4335,9 +4282,8 @@ PREFIX(insert_op2) (op, loc, arg1, arg2, end)
    least one character before the ^.  */
 
 static boolean
-PREFIX(at_begline_loc_p) (pattern, p, syntax)
-    const CHAR_T *pattern, *p;
-    reg_syntax_t syntax;
+PREFIX(at_begline_loc_p) (const CHAR_T *pattern, const CHAR_T *p,
+                          reg_syntax_t syntax)
 {
   const CHAR_T *prev = p - 2;
   boolean prev_prev_backslash = prev > pattern && prev[-1] == '\\';
@@ -4354,9 +4300,8 @@ PREFIX(at_begline_loc_p) (pattern, p, syntax)
    at least one character after the $, i.e., `P < PEND'.  */
 
 static boolean
-PREFIX(at_endline_loc_p) (p, pend, syntax)
-    const CHAR_T *p, *pend;
-    reg_syntax_t syntax;
+PREFIX(at_endline_loc_p) (const CHAR_T *p, const CHAR_T *pend,
+                          reg_syntax_t syntax)
 {
   const CHAR_T *next = p;
   boolean next_backslash = *next == '\\';
@@ -4377,9 +4322,7 @@ PREFIX(at_endline_loc_p) (p, pend, syntax)
    false if it's not.  */
 
 static boolean
-group_in_compile_stack (compile_stack, regnum)
-    compile_stack_type compile_stack;
-    regnum_t regnum;
+group_in_compile_stack (compile_stack_type compile_stack, regnum_t regnum)
 {
   int this_element;
 
@@ -4399,10 +4342,7 @@ group_in_compile_stack (compile_stack, regnum)
 /* This insert space, which size is "num", into the pattern at "loc".
    "end" must point the end of the allocated buffer.  */
 static void
-insert_space (num, loc, end)
-     int num;
-     CHAR_T *loc;
-     CHAR_T *end;
+insert_space (int num, CHAR_T *loc, CHAR_T *end)
 {
   register CHAR_T *pto = end;
   register CHAR_T *pfrom = end - num;
@@ -4414,13 +4354,9 @@ insert_space (num, loc, end)
 
 #ifdef WCHAR
 static reg_errcode_t
-wcs_compile_range (range_start_char, p_ptr, pend, translate, syntax, b,
-		   char_set)
-     CHAR_T range_start_char;
-     const CHAR_T **p_ptr, *pend;
-     CHAR_T *char_set, *b;
-     RE_TRANSLATE_TYPE translate;
-     reg_syntax_t syntax;
+wcs_compile_range (CHAR_T range_start_char, const CHAR_T **p_ptr,
+                   const CHAR_T *pend, RE_TRANSLATE_TYPE translate,
+                   reg_syntax_t syntax, CHAR_T *b, CHAR_T *char_set)
 {
   const CHAR_T *p = *p_ptr;
   CHAR_T range_start, range_end;
@@ -4501,12 +4437,9 @@ wcs_compile_range (range_start_char, p_ptr, pend, translate, syntax, b,
    `regex_compile' itself.  */
 
 static reg_errcode_t
-byte_compile_range (range_start_char, p_ptr, pend, translate, syntax, b)
-     unsigned int range_start_char;
-     const char **p_ptr, *pend;
-     RE_TRANSLATE_TYPE translate;
-     reg_syntax_t syntax;
-     unsigned char *b;
+byte_compile_range (unsigned int range_start_char, const char **p_ptr,
+                    const char *pend, RE_TRANSLATE_TYPE translate,
+                    reg_syntax_t syntax, unsigned char *b)
 {
   unsigned this_char;
   const char *p = *p_ptr;
@@ -4587,8 +4520,7 @@ byte_compile_range (range_start_char, p_ptr, pend, translate, syntax, b)
 static unsigned char truncate_wchar (CHAR_T c);
 
 static unsigned char
-truncate_wchar (c)
-     CHAR_T c;
+truncate_wchar (CHAR_T c)
 {
   unsigned char buf[MB_CUR_MAX];
   mbstate_t state;
@@ -4604,8 +4536,7 @@ truncate_wchar (c)
 #endif /* WCHAR */
 
 static int
-PREFIX(re_compile_fastmap) (bufp)
-     struct re_pattern_buffer *bufp;
+PREFIX(re_compile_fastmap) (struct re_pattern_buffer *bufp)
 {
   int j, k;
 #ifdef MATCH_MAY_ALLOCATE
@@ -4924,8 +4855,7 @@ PREFIX(re_compile_fastmap) (bufp)
 #else /* not INSIDE_RECURSION */
 
 int
-re_compile_fastmap (bufp)
-     struct re_pattern_buffer *bufp;
+re_compile_fastmap (struct re_pattern_buffer *bufp)
 {
 # ifdef MBS_SUPPORT
   if (MB_CUR_MAX != 1)
@@ -4953,11 +4883,9 @@ weak_alias (__re_compile_fastmap, re_compile_fastmap)
    freeing the old data.  */
 
 void
-re_set_registers (bufp, regs, num_regs, starts, ends)
-    struct re_pattern_buffer *bufp;
-    struct re_registers *regs;
-    unsigned num_regs;
-    regoff_t *starts, *ends;
+re_set_registers (struct re_pattern_buffer *bufp,
+                  struct re_registers *regs, unsigned num_regs,
+                  regoff_t *starts, regoff_t *ends)
 {
   if (num_regs)
     {
@@ -4983,11 +4911,8 @@ weak_alias (__re_set_registers, re_set_registers)
    doesn't let you say where to stop matching.  */
 
 int
-re_search (bufp, string, size, startpos, range, regs)
-     struct re_pattern_buffer *bufp;
-     const char *string;
-     int size, startpos, range;
-     struct re_registers *regs;
+re_search (struct re_pattern_buffer *bufp, const char *string, int size,
+           int startpos, int range, struct re_registers *regs)
 {
   return re_search_2 (bufp, NULL, 0, string, size, startpos, range,
 		      regs, size);
@@ -5019,14 +4944,9 @@ weak_alias (__re_search, re_search)
    stack overflow).  */
 
 int
-re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
-     struct re_pattern_buffer *bufp;
-     const char *string1, *string2;
-     int size1, size2;
-     int startpos;
-     int range;
-     struct re_registers *regs;
-     int stop;
+re_search_2 (struct re_pattern_buffer *bufp, const char *string1, int size1,
+             const char *string2, int size2, int startpos, int range,
+             struct re_registers *regs, int stop)
 {
 # ifdef MBS_SUPPORT
   if (MB_CUR_MAX != 1)
@@ -5082,15 +5002,10 @@ weak_alias (__re_search_2, re_search_2)
 
 
 static int
-PREFIX(re_search_2) (bufp, string1, size1, string2, size2, startpos, range,
-		     regs, stop)
-     struct re_pattern_buffer *bufp;
-     const char *string1, *string2;
-     int size1, size2;
-     int startpos;
-     int range;
-     struct re_registers *regs;
-     int stop;
+PREFIX(re_search_2) (struct re_pattern_buffer *bufp, const char *string1,
+                     int size1, const char *string2, int size2,
+                     int startpos, int range,
+                     struct re_registers *regs, int stop)
 {
   int val;
   register char *fastmap = bufp->fastmap;
@@ -5473,11 +5388,8 @@ PREFIX(re_search_2) (bufp, string1, size1, string2, size2, startpos, range,
 /* re_match is like re_match_2 except it takes only a single string.  */
 
 int
-re_match (bufp, string, size, pos, regs)
-     struct re_pattern_buffer *bufp;
-     const char *string;
-     int size, pos;
-     struct re_registers *regs;
+re_match (struct re_pattern_buffer *bufp, const char *string,
+          int size, int pos, struct re_registers *regs)
 {
   int result;
 # ifdef MBS_SUPPORT
@@ -5504,17 +5416,17 @@ weak_alias (__re_match, re_match)
 #endif /* not INSIDE_RECURSION */
 
 #ifdef INSIDE_RECURSION
-static boolean PREFIX(group_match_null_string_p) _RE_ARGS ((UCHAR_T **p,
-						    UCHAR_T *end,
-					PREFIX(register_info_type) *reg_info));
-static boolean PREFIX(alt_match_null_string_p) _RE_ARGS ((UCHAR_T *p,
-						  UCHAR_T *end,
-					PREFIX(register_info_type) *reg_info));
-static boolean PREFIX(common_op_match_null_string_p) _RE_ARGS ((UCHAR_T **p,
-							UCHAR_T *end,
-					PREFIX(register_info_type) *reg_info));
-static int PREFIX(bcmp_translate) _RE_ARGS ((const CHAR_T *s1, const CHAR_T *s2,
-				     int len, char *translate));
+static boolean PREFIX(group_match_null_string_p) (UCHAR_T **p,
+                                                  UCHAR_T *end,
+					PREFIX(register_info_type) *reg_info);
+static boolean PREFIX(alt_match_null_string_p) (UCHAR_T *p,
+                                                UCHAR_T *end,
+					PREFIX(register_info_type) *reg_info);
+static boolean PREFIX(common_op_match_null_string_p) (UCHAR_T **p,
+                                                      UCHAR_T *end,
+					PREFIX(register_info_type) *reg_info);
+static int PREFIX(bcmp_translate) (const CHAR_T *s1, const CHAR_T *s2,
+                                   int len, char *translate);
 #else /* not INSIDE_RECURSION */
 
 /* re_match_2 matches the compiled pattern in BUFP against the
@@ -5531,13 +5443,9 @@ static int PREFIX(bcmp_translate) _RE_ARGS ((const CHAR_T *s1, const CHAR_T *s2,
    matched substring.  */
 
 int
-re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
-     struct re_pattern_buffer *bufp;
-     const char *string1, *string2;
-     int size1, size2;
-     int pos;
-     struct re_registers *regs;
-     int stop;
+re_match_2 (struct re_pattern_buffer *bufp, const char *string1, int size1,
+            const char *string2, int size2, int pos,
+            struct re_registers *regs, int stop)
 {
   int result;
 # ifdef MBS_SUPPORT
@@ -5566,7 +5474,7 @@ weak_alias (__re_match_2, re_match_2)
 #ifdef INSIDE_RECURSION
 
 #ifdef WCHAR
-static int count_mbs_length PARAMS ((int *, int));
+static int count_mbs_length (int *, int);
 
 /* This check the substring (from 0, to length) of the multibyte string,
    to which offset_buffer correspond. And count how many wchar_t_characters
@@ -5574,9 +5482,7 @@ static int count_mbs_length PARAMS ((int *, int));
    See convert_mbs_to_wcs.  */
 
 static int
-count_mbs_length(offset_buffer, length)
-     int *offset_buffer;
-     int length;
+count_mbs_length(int *offset_buffer, int length)
 {
   int upper, lower;
 
@@ -5617,33 +5523,26 @@ count_mbs_length(offset_buffer, length)
    afterwards.  */
 #ifdef WCHAR
 static int
-wcs_re_match_2_internal (bufp, cstring1, csize1, cstring2, csize2, pos,
-			 regs, stop, string1, size1, string2, size2,
-			 mbs_offset1, mbs_offset2)
-     struct re_pattern_buffer *bufp;
-     const char *cstring1, *cstring2;
-     int csize1, csize2;
-     int pos;
-     struct re_registers *regs;
-     int stop;
+wcs_re_match_2_internal (struct re_pattern_buffer *bufp,
+                         const char *cstring1, int csize1,
+                         const char *cstring2, int csize2,
+                         int pos,
+			 struct re_registers *regs,
+                         int stop,
      /* string1 == string2 == NULL means string1/2, size1/2 and
 	mbs_offset1/2 need seting up in this function.  */
      /* We need wchar_t* buffers correspond to cstring1, cstring2.  */
-     wchar_t *string1, *string2;
-     /* We need the size of wchar_t buffers correspond to csize1, csize2.  */
-     int size1, size2;
+                         wchar_t *string1, int size1,
+                         wchar_t *string2, int size2,
      /* offset buffer for optimizatoin. See convert_mbs_to_wc.  */
-     int *mbs_offset1, *mbs_offset2;
+			 int *mbs_offset1, int *mbs_offset2)
 #else /* BYTE */
 static int
-byte_re_match_2_internal (bufp, string1, size1,string2, size2, pos,
-			  regs, stop)
-     struct re_pattern_buffer *bufp;
-     const char *string1, *string2;
-     int size1, size2;
-     int pos;
-     struct re_registers *regs;
-     int stop;
+byte_re_match_2_internal (struct re_pattern_buffer *bufp,
+                          const char *string1, int size1,
+                          const char *string2, int size2,
+                          int pos,
+			  struct re_registers *regs, int stop)
 #endif /* BYTE */
 {
   /* General temporaries.  */
@@ -7593,9 +7492,8 @@ byte_re_match_2_internal (bufp, string1, size1,string2, size2, pos,
    We don't handle duplicates properly (yet).  */
 
 static boolean
-PREFIX(group_match_null_string_p) (p, end, reg_info)
-    UCHAR_T **p, *end;
-    PREFIX(register_info_type) *reg_info;
+PREFIX(group_match_null_string_p) (UCHAR_T **p, UCHAR_T *end,
+                                   PREFIX(register_info_type) *reg_info)
 {
   int mcnt;
   /* Point to after the args to the start_memory.  */
@@ -7705,9 +7603,8 @@ PREFIX(group_match_null_string_p) (p, end, reg_info)
    byte past the last. The alternative can contain groups.  */
 
 static boolean
-PREFIX(alt_match_null_string_p) (p, end, reg_info)
-    UCHAR_T *p, *end;
-    PREFIX(register_info_type) *reg_info;
+PREFIX(alt_match_null_string_p) (UCHAR_T *p, UCHAR_T *end,
+                                 PREFIX(register_info_type) *reg_info)
 {
   int mcnt;
   UCHAR_T *p1 = p;
@@ -7742,9 +7639,8 @@ PREFIX(alt_match_null_string_p) (p, end, reg_info)
    Sets P to one after the op and its arguments, if any.  */
 
 static boolean
-PREFIX(common_op_match_null_string_p) (p, end, reg_info)
-    UCHAR_T **p, *end;
-    PREFIX(register_info_type) *reg_info;
+PREFIX(common_op_match_null_string_p) (UCHAR_T **p, UCHAR_T *end,
+                                       PREFIX(register_info_type) *reg_info)
 {
   int mcnt;
   boolean ret;
@@ -7830,10 +7726,8 @@ PREFIX(common_op_match_null_string_p) (p, end, reg_info)
    bytes; nonzero otherwise.  */
 
 static int
-PREFIX(bcmp_translate) (s1, s2, len, translate)
-     const CHAR_T *s1, *s2;
-     register int len;
-     RE_TRANSLATE_TYPE translate;
+PREFIX(bcmp_translate) (const CHAR_T *s1, const CHAR_T *s2, register int len,
+                        RE_TRANSLATE_TYPE translate)
 {
   register const UCHAR_T *p1 = (const UCHAR_T *) s1;
   register const UCHAR_T *p2 = (const UCHAR_T *) s2;
@@ -7866,10 +7760,8 @@ PREFIX(bcmp_translate) (s1, s2, len, translate)
    We call regex_compile to do the actual compilation.  */
 
 const char *
-re_compile_pattern (pattern, length, bufp)
-     const char *pattern;
-     size_t length;
-     struct re_pattern_buffer *bufp;
+re_compile_pattern (const char *pattern, size_t length,
+                    struct re_pattern_buffer *bufp)
 {
   reg_errcode_t ret;
 
@@ -7915,8 +7807,7 @@ char *
    regcomp/regexec below without link errors.  */
 weak_function
 #endif
-re_comp (s)
-    const char *s;
+re_comp (const char *s)
 {
   reg_errcode_t ret;
 
@@ -7964,8 +7855,7 @@ int
 #ifdef _LIBC
 weak_function
 #endif
-re_exec (s)
-    const char *s;
+re_exec (const char *s)
 {
   const int len = strlen (s);
   return
@@ -8014,10 +7904,7 @@ re_exec (s)
    the return codes and their meanings.)  */
 
 int
-regcomp (preg, pattern, cflags)
-    regex_t *preg;
-    const char *pattern;
-    int cflags;
+regcomp (regex_t *preg, const char *pattern, int cflags)
 {
   reg_errcode_t ret;
   reg_syntax_t syntax
@@ -8110,12 +7997,8 @@ weak_alias (__regcomp, regcomp)
    We return 0 if we find a match and REG_NOMATCH if not.  */
 
 int
-regexec (preg, string, nmatch, pmatch, eflags)
-    const regex_t *preg;
-    const char *string;
-    size_t nmatch;
-    regmatch_t pmatch[];
-    int eflags;
+regexec (const regex_t *preg, const char *string, size_t nmatch,
+         regmatch_t pmatch[], int eflags)
 {
   int ret;
   struct re_registers regs;
@@ -8177,11 +8060,8 @@ weak_alias (__regexec, regexec)
    from either regcomp or regexec.   We don't use PREG here.  */
 
 size_t
-regerror (errcode, preg, errbuf, errbuf_size)
-    int errcode;
-    const regex_t *preg ATTRIBUTE_UNUSED;
-    char *errbuf;
-    size_t errbuf_size;
+regerror (int errcode, const regex_t *preg ATTRIBUTE_UNUSED,
+          char *errbuf, size_t errbuf_size)
 {
   const char *msg;
   size_t msg_size;
@@ -8224,8 +8104,7 @@ weak_alias (__regerror, regerror)
 /* Free dynamically allocated space used by PREG.  */
 
 void
-regfree (preg)
-    regex_t *preg;
+regfree (regex_t *preg)
 {
   if (preg->buffer != NULL)
     free (preg->buffer);