* gansidecl.h: Prepend a "G" to the macro wrapping this file

        (to distinguish it from the macro wrapping ansidecl.h.)
        Include libiberty's ansidecl.h.  Remove all redundant definitions.
        Define the PROTO() style macros in terms of the PARAMS() ones.
        * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
        __STDC__, when deciding whether to use ANSI variable args.
        (emit_library_call_value): Likewise.
        * cccp.c (error): Likewise.
        (warning): Likewise.
        (error_with_line): Likewise.
        (warning_with_line): Likewise.
        (pedwarn): Likewise.
        (pedwarn_with_line): Likewise.
        (pedwarn_with_file_and_line): Likewise.
        (fatal): Likewise.
        * cexp.y (error): Likewise.
        (pedwarn): Likewise.
        (warning): Likewise.
        * collect2.c (fatal_perror): Likewise.
        (fatal): Likewise.
        (error): Likewise.
        * combine.c (gen_rtx_combine): Likewise.
        * cpperror.c (cpp_message): Likewise.
        (cpp_fatal): Likewise.
        * cpplib.c (cpp_error): Likewise.
        (cpp_warning): Likewise.
        (cpp_pedwarn): Likewise.
        (cpp_error_with_line): Likewise.
        (cpp_warning_with_line): Likewise.
        (cpp_pedwarn_with_line): Likewise.
        (cpp_pedwarn_with_file_and_line): Likewise.
        * cpplib.h: Don't define PARAMS() macro.
        * demangle.h: Likewise.
        * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
        when deciding whether to use ANSI variable args.
        * emit-rtl.c (gen_rtx): Likewise.
        (gen_rtvec): Likewise.
        * final.c (asm_fprintf): Likewise.
        * fix-header.c (cpp_message): Likewise.
        (fatal): Likewise.
        (cpp_fatal): Likewise.
        * gcc.c (concat): Likewise.
        (fatal): Likewise.
        (error): Likewise.
        * genattr.c (fatal): Likewise.
        * genattrtab.c (attr_rtx): Likewise.
        (attr_printf): Likewise.
        (fatal): Likewise.
        * gencodes.c (fatal): Likewise.
        * genconfig.c (fatal): Likewise.
        * genemit.c (fatal): Likewise.
        * genextract.c (fatal): Likewise.
        * genflags.c (fatal): Likewise.
        * genopinit.c (fatal): Likewise.
        * genoutput.c (fatal): Likewise.
        (error): Likewise.
        * genpeep.c (fatal): Likewise.
        * genrecog.c (fatal): Likewise.
        * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
        deciding whether to declare `tree_node' and `rtx_def'.
        * hash.h: Don't define stuff we get from gansidecl.h.
        * mips-tfile.c: Likewise.  Define __proto() in terms of PARAMS().
        (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
        whether to use ANSI variable args.
        (error): Likewise.
        * prefix.c (concat): Likewise.
        * scan.h: Likewise.
        * system.h: Likewise.
        * toplev.c (error_with_file_and_line): Likewise.
        (error_with_decl): Likewise.
        (error_for_asm): Likewise.
        (error): Likewise.
        (fatal): Likewise.
        (warning_with_file_and_line): Likewise.
        (warning_with_decl): Likewise.
        (warning_for_asm): Likewise.
        (warning): Likewise.
        (pedwarn): Likewise.
        (pedwarn_with_decl): Likewise.
        (pedwarn_with_file_and_line): Likewise.
        (sorry): Likewise.
        (really_sorry): Likewise.
        * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
        whether to declare `tree_node' and `rtx_def'.
        * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
        deciding whether to use ANSI variable args.
        (build_nt): Likewise.
        (build_parse_node): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@23577 138bc75d-0d04-0410-961f-82ee72b054a4

37 files changed, 296 insertions, 240 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4bc5ffb7bfe..96e000ac896 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,129 @@
+Sun Nov  8 17:50:30 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* gansidecl.h: Prepend a "G" to the macro wrapping this file
+	(to distinguish it from the macro wrapping ansidecl.h.)
+	Include libiberty's ansidecl.h.  Remove all redundant definitions.
+  	Define the PROTO() style macros in terms of the PARAMS() ones.
+
+	
+	* calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
+	__STDC__, when deciding whether to use ANSI variable args.
+	(emit_library_call_value): Likewise.
+
+	* cccp.c (error): Likewise.
+	(warning): Likewise.
+	(error_with_line): Likewise.
+	(warning_with_line): Likewise.
+	(pedwarn): Likewise.
+	(pedwarn_with_line): Likewise.
+	(pedwarn_with_file_and_line): Likewise.
+	(fatal): Likewise.
+
+	* cexp.y (error): Likewise.
+	(pedwarn): Likewise.
+	(warning): Likewise.
+
+	* collect2.c (fatal_perror): Likewise.
+	(fatal): Likewise.
+	(error): Likewise.
+
+	* combine.c (gen_rtx_combine): Likewise.
+
+	* cpperror.c (cpp_message): Likewise.
+	(cpp_fatal): Likewise.
+
+	* cpplib.c (cpp_error): Likewise.
+	(cpp_warning): Likewise.
+	(cpp_pedwarn): Likewise.
+	(cpp_error_with_line): Likewise.
+	(cpp_warning_with_line): Likewise.
+	(cpp_pedwarn_with_line): Likewise.
+	(cpp_pedwarn_with_file_and_line): Likewise.
+
+	* cpplib.h: Don't define PARAMS() macro.
+
+	* demangle.h: Likewise.
+
+	* doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
+ 	when deciding whether to use ANSI variable args.
+
+	* emit-rtl.c (gen_rtx): Likewise.
+	(gen_rtvec): Likewise.
+
+	* final.c (asm_fprintf): Likewise.
+
+	* fix-header.c (cpp_message): Likewise.
+	(fatal): Likewise.
+	(cpp_fatal): Likewise.
+
+	* gcc.c (concat): Likewise.
+	(fatal): Likewise.
+	(error): Likewise.
+
+	* genattr.c (fatal): Likewise.
+
+	* genattrtab.c (attr_rtx): Likewise.
+	(attr_printf): Likewise.
+	(fatal): Likewise.
+
+	* gencodes.c (fatal): Likewise.
+
+	* genconfig.c (fatal): Likewise.
+
+	* genemit.c (fatal): Likewise.
+
+	* genextract.c (fatal): Likewise.
+
+	* genflags.c (fatal): Likewise.
+
+	* genopinit.c (fatal): Likewise.
+
+	* genoutput.c (fatal): Likewise.
+	(error): Likewise.
+
+	* genpeep.c (fatal): Likewise.
+
+	* genrecog.c (fatal): Likewise.
+
+	* halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
+	deciding whether to declare `tree_node' and `rtx_def'.
+
+	* hash.h: Don't define stuff we get from gansidecl.h.
+
+	* mips-tfile.c: Likewise.  Define __proto() in terms of PARAMS().
+	(fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
+	whether to use ANSI variable args.
+	(error): Likewise.
+
+	* prefix.c (concat): Likewise.
+
+	* scan.h: Likewise.
+
+	* system.h: Likewise.
+
+	* toplev.c (error_with_file_and_line): Likewise.
+	(error_with_decl): Likewise.
+	(error_for_asm): Likewise.
+	(error): Likewise.
+	(fatal): Likewise.
+	(warning_with_file_and_line): Likewise.
+	(warning_with_decl): Likewise.
+	(warning_for_asm): Likewise.
+	(warning): Likewise.
+	(pedwarn): Likewise.
+	(pedwarn_with_decl): Likewise.
+	(pedwarn_with_file_and_line): Likewise.
+	(sorry): Likewise.
+	(really_sorry): Likewise.
+
+	* toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
+	whether to declare `tree_node' and `rtx_def'.
+
+	* tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
+	deciding whether to use ANSI variable args.
+	(build_nt): Likewise.
+	(build_parse_node): Likewise.
+
 Sun Nov 8 13:10:55 PST 1998 Jeff Law  (law@cygnus.com)
 
 	* version.c: Bump for snapshot.
diff --git a/gcc/calls.c b/gcc/calls.c
index d46973ae155..fb64c7588b3 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -2232,7 +2232,7 @@ void
 emit_library_call VPROTO((rtx orgfun, int no_queue, enum machine_mode outmode,
 			  int nargs, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   rtx orgfun;
   int no_queue;
   enum machine_mode outmode;
@@ -2279,7 +2279,7 @@ emit_library_call VPROTO((rtx orgfun, int no_queue, enum machine_mode outmode,
 
   VA_START (p, nargs);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   orgfun = va_arg (p, rtx);
   no_queue = va_arg (p, int);
   outmode = va_arg (p, enum machine_mode);
@@ -2723,7 +2723,7 @@ rtx
 emit_library_call_value VPROTO((rtx orgfun, rtx value, int no_queue,
 				enum machine_mode outmode, int nargs, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   rtx orgfun;
   rtx value;
   int no_queue;
@@ -2778,7 +2778,7 @@ emit_library_call_value VPROTO((rtx orgfun, rtx value, int no_queue,
 
   VA_START (p, nargs);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   orgfun = va_arg (p, rtx);
   value = va_arg (p, rtx);
   no_queue = va_arg (p, int);
diff --git a/gcc/cccp.c b/gcc/cccp.c
index 40e966385f9..e3568daa567 100644
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -9312,14 +9312,14 @@ my_strerror (errnum)
 void
 error VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
 
@@ -9385,14 +9385,14 @@ error_from_errno (name)
 void
 warning VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
 
@@ -9434,7 +9434,7 @@ vwarning (msg, args)
 static void
 error_with_line VPROTO ((int line, char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   int line;
   char * msg;
 #endif
@@ -9442,7 +9442,7 @@ error_with_line VPROTO ((int line, char * msg, ...))
 
   VA_START (args, msg);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   line = va_arg (args, int);
   msg = va_arg (args, char *);
 #endif
@@ -9480,7 +9480,7 @@ verror_with_line (line, msg, args)
 static void
 warning_with_line VPROTO ((int line, char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   int line;
   char * msg;
 #endif
@@ -9488,7 +9488,7 @@ warning_with_line VPROTO ((int line, char * msg, ...))
 
   VA_START (args, msg);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   line = va_arg (args, int);
   msg = va_arg (args, char *);
 #endif
@@ -9534,14 +9534,14 @@ vwarning_with_line (line, msg, args)
 void
 pedwarn VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
@@ -9555,7 +9555,7 @@ pedwarn VPROTO ((char * msg, ...))
 void
 pedwarn_with_line VPROTO ((int line, char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   int line;
   char * msg;
 #endif
@@ -9563,7 +9563,7 @@ pedwarn_with_line VPROTO ((int line, char * msg, ...))
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   line = va_arg (args, int);
   msg = va_arg (args, char *);
 #endif
@@ -9582,7 +9582,7 @@ static void
 pedwarn_with_file_and_line VPROTO ((char *file, size_t file_len, int line,
 				    char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *file;
   size_t file_len;
   int line;
@@ -9595,7 +9595,7 @@ pedwarn_with_file_and_line VPROTO ((char *file, size_t file_len, int line,
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   file = va_arg (args, char *);
   file_len = va_arg (args, size_t);
   line = va_arg (args, int);
@@ -10623,7 +10623,7 @@ deps_output (string, spacer)
 static void
 fatal VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
@@ -10631,7 +10631,7 @@ fatal VPROTO ((char * msg, ...))
   fprintf (stderr, "%s: ", progname);
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
diff --git a/gcc/cexp.c b/gcc/cexp.c
index ac5c2020c0d..d2d67f4c1cd 100644
--- a/gcc/cexp.c
+++ b/gcc/cexp.c
@@ -2080,14 +2080,14 @@ initialize_random_junk ()
 void
 error VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
@@ -2100,14 +2100,14 @@ error VPROTO ((char * msg, ...))
 void
 pedwarn VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
@@ -2120,14 +2120,14 @@ pedwarn VPROTO ((char * msg, ...))
 void
 warning VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
diff --git a/gcc/cexp.y b/gcc/cexp.y
index 00e439cb498..b3b5e9d99a3 100644
--- a/gcc/cexp.y
+++ b/gcc/cexp.y
@@ -1164,14 +1164,14 @@ initialize_random_junk ()
 void
 error VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
@@ -1184,14 +1184,14 @@ error VPROTO ((char * msg, ...))
 void
 pedwarn VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
@@ -1204,14 +1204,14 @@ pedwarn VPROTO ((char * msg, ...))
 void
 warning VPROTO ((char * msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char * msg;
 #endif
   va_list args;
 
   VA_START (args, msg);
  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   msg = va_arg (args, char *);
 #endif
  
diff --git a/gcc/collect2.c b/gcc/collect2.c
index 585ce59c1f4..729682e5f3b 100644
--- a/gcc/collect2.c
+++ b/gcc/collect2.c
@@ -425,7 +425,7 @@ collect_exit (status)
 void
 fatal_perror VPROTO((const char * string, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   const char *string;
 #endif
   int e = errno;
@@ -433,7 +433,7 @@ fatal_perror VPROTO((const char * string, ...))
 
   VA_START (ap, string);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   string = va_arg (ap, const char *);
 #endif
 
@@ -450,14 +450,14 @@ fatal_perror VPROTO((const char * string, ...))
 void
 fatal VPROTO((const char * string, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   const char *string;
 #endif
   va_list ap;
   
   VA_START (ap, string);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   string = va_arg (ap, const char *);
 #endif
   
@@ -474,14 +474,14 @@ fatal VPROTO((const char * string, ...))
 void
 error VPROTO((const char * string, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   const char * string;
 #endif
   va_list ap;
  
   VA_START (ap, string);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   string = va_arg (ap, const char *);
 #endif
 
diff --git a/gcc/combine.c b/gcc/combine.c
index 4094561fc8f..bd0a2254413 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -9288,7 +9288,7 @@ gen_lowpart_for_combine (mode, x)
 static rtx
 gen_rtx_combine VPROTO((enum rtx_code code, enum machine_mode mode, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   enum rtx_code code;
   enum machine_mode mode;
 #endif
@@ -9302,7 +9302,7 @@ gen_rtx_combine VPROTO((enum rtx_code code, enum machine_mode mode, ...))
 
   VA_START (p, mode);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   code = va_arg (p, enum rtx_code);
   mode = va_arg (p, enum machine_mode);
 #endif
diff --git a/gcc/cpperror.c b/gcc/cpperror.c
index 92b10465c68..107dc543e40 100644
--- a/gcc/cpperror.c
+++ b/gcc/cpperror.c
@@ -111,7 +111,7 @@ v_cpp_message (pfile, is_error, msg, ap)
 void
 cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   int is_error;
   const char *msg;
@@ -120,7 +120,7 @@ cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
   
   VA_START (ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   is_error = va_arg (ap, int);
   msg = va_arg (ap, const char *);
@@ -139,7 +139,7 @@ cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
 void
 cpp_fatal VPROTO ((cpp_reader *pfile, const char *str, ...))
 {  
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   const char *str;
 #endif
@@ -147,7 +147,7 @@ cpp_fatal VPROTO ((cpp_reader *pfile, const char *str, ...))
   
   VA_START (ap, str);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   str = va_arg (ap, const char *);
 #endif
diff --git a/gcc/cpplib.c b/gcc/cpplib.c
index 38aeacf6fa8..f8a38e55bb1 100644
--- a/gcc/cpplib.c
+++ b/gcc/cpplib.c
@@ -6725,7 +6725,7 @@ v_cpp_error (pfile, msg, ap)
 void
 cpp_error VPROTO ((cpp_reader * pfile, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   const char *msg;
 #endif
@@ -6733,7 +6733,7 @@ cpp_error VPROTO ((cpp_reader * pfile, const char *msg, ...))
 
   VA_START(ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   msg = va_arg (ap, const char *);
 #endif
@@ -6764,7 +6764,7 @@ v_cpp_warning (pfile, msg, ap)
 void
 cpp_warning VPROTO ((cpp_reader * pfile, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   const char *msg;
 #endif
@@ -6772,7 +6772,7 @@ cpp_warning VPROTO ((cpp_reader * pfile, const char *msg, ...))
   
   VA_START (ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   msg = va_arg (ap, const char *);
 #endif
@@ -6786,7 +6786,7 @@ cpp_warning VPROTO ((cpp_reader * pfile, const char *msg, ...))
 void
 cpp_pedwarn VPROTO ((cpp_reader * pfile, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   const char *msg;
 #endif
@@ -6794,7 +6794,7 @@ cpp_pedwarn VPROTO ((cpp_reader * pfile, const char *msg, ...))
   
   VA_START (ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   msg = va_arg (ap, const char *);
 #endif
@@ -6827,7 +6827,7 @@ v_cpp_error_with_line (pfile, line, column, msg, ap)
 void
 cpp_error_with_line VPROTO ((cpp_reader * pfile, int line, int column, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   int line;
   int column;
@@ -6837,7 +6837,7 @@ cpp_error_with_line VPROTO ((cpp_reader * pfile, int line, int column, const cha
   
   VA_START (ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   line = va_arg (ap, int);
   column = va_arg (ap, int);
@@ -6878,7 +6878,7 @@ v_cpp_warning_with_line (pfile, line, column, msg, ap)
 static void
 cpp_warning_with_line VPROTO ((cpp_reader * pfile, int line, int column, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   int line;
   int column;
@@ -6888,7 +6888,7 @@ cpp_warning_with_line VPROTO ((cpp_reader * pfile, int line, int column, const c
   
   VA_START (ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   line = va_arg (ap, int);
   column = va_arg (ap, int);
@@ -6903,7 +6903,7 @@ cpp_warning_with_line VPROTO ((cpp_reader * pfile, int line, int column, const c
 void
 cpp_pedwarn_with_line VPROTO ((cpp_reader * pfile, int line, int column, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   int line;
   int column;
@@ -6913,7 +6913,7 @@ cpp_pedwarn_with_line VPROTO ((cpp_reader * pfile, int line, int column, const c
   
   VA_START (ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   line = va_arg (ap, int);
   column = va_arg (ap, int);
@@ -6933,7 +6933,7 @@ cpp_pedwarn_with_line VPROTO ((cpp_reader * pfile, int line, int column, const c
 void
 cpp_pedwarn_with_file_and_line VPROTO ((cpp_reader *pfile, char *file, int line, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   char *file;
   int line;
@@ -6943,7 +6943,7 @@ cpp_pedwarn_with_file_and_line VPROTO ((cpp_reader *pfile, char *file, int line,
   
   VA_START (ap, msg);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   file = va_arg (ap, char *);
   line = va_arg (ap, int);
diff --git a/gcc/cpplib.h b/gcc/cpplib.h
index 3ff0c9214bf..99745c98f22 100644
--- a/gcc/cpplib.h
+++ b/gcc/cpplib.h
@@ -70,10 +70,6 @@ enum cpp_token {
   CPP_POP
 };
 
-#ifndef PARAMS
-#define PARAMS(P) PROTO(P)
-#endif /* !PARAMS */
-
 typedef enum cpp_token (*parse_underflow_t) PARAMS((cpp_reader *));
 typedef int (*parse_cleanup_t) PARAMS((cpp_buffer *, cpp_reader *));
 
diff --git a/gcc/demangle.h b/gcc/demangle.h
index 570b05718cf..eddb55510b3 100644
--- a/gcc/demangle.h
+++ b/gcc/demangle.h
@@ -20,11 +20,9 @@
 #if !defined (DEMANGLE_H)
 #define DEMANGLE_H
 
-#ifdef IN_GCC
-#define PARAMS(ARGS) PROTO(ARGS)
-#else /* ! IN_GCC */
+#ifndef IN_GCC
 #include <ansidecl.h>
-#endif /* IN_GCC */
+#endif /* ! IN_GCC */
 
 /* Options passed to cplus_demangle (in 2nd parameter). */
 
diff --git a/gcc/doprint.c b/gcc/doprint.c
index 843c8474c4c..d53ccfa16a3 100644
--- a/gcc/doprint.c
+++ b/gcc/doprint.c
@@ -199,13 +199,13 @@ checkit VPROTO ((const char* format, ...))
   va_list args;
   int result;
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
 
   VA_START (args, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (args, char *);
 #endif
 
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 6f34788e1dd..a8bbfe42318 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -350,7 +350,7 @@ gen_rtx_MEM (mode, addr)
 rtx
 gen_rtx VPROTO((enum rtx_code code, enum machine_mode mode, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   enum rtx_code code;
   enum machine_mode mode;
 #endif
@@ -361,7 +361,7 @@ gen_rtx VPROTO((enum rtx_code code, enum machine_mode mode, ...))
 
   VA_START (p, mode);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   code = va_arg (p, enum rtx_code);
   mode = va_arg (p, enum machine_mode);
 #endif
@@ -433,7 +433,7 @@ gen_rtx VPROTO((enum rtx_code code, enum machine_mode mode, ...))
 rtvec
 gen_rtvec VPROTO((int n, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   int n;
 #endif
   int i;
@@ -442,7 +442,7 @@ gen_rtvec VPROTO((int n, ...))
 
   VA_START (p, n);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   n = va_arg (p, int);
 #endif
 
diff --git a/gcc/final.c b/gcc/final.c
index 18c4dc53143..be6f3312f7f 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -3694,7 +3694,7 @@ output_addr_const (file, x)
 void
 asm_fprintf VPROTO((FILE *file, char *p, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   FILE *file;
   char *p;
 #endif
@@ -3704,7 +3704,7 @@ asm_fprintf VPROTO((FILE *file, char *p, ...))
 
   VA_START (argptr, p);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   file = va_arg (argptr, FILE *);
   p = va_arg (argptr, char *);
 #endif
diff --git a/gcc/fix-header.c b/gcc/fix-header.c
index d515a32de75..08f5be427c2 100644
--- a/gcc/fix-header.c
+++ b/gcc/fix-header.c
@@ -1367,7 +1367,7 @@ v_cpp_message (pfile, is_error, msg, ap)
 void
 cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader *pfile;
   int is_error;
   const char *msg;
@@ -1376,7 +1376,7 @@ cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
   
   VA_START (ap, msg);
   
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   is_error = va_arg (ap, const int);
   msg = va_arg (ap, const char *);
@@ -1401,14 +1401,14 @@ v_fatal (str, ap)
 void
 fatal VPROTO ((const char *str, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   const char *str;
 #endif
   va_list ap;
   
   VA_START(ap, str);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   str = va_arg (ap, const char *);
 #endif
 
@@ -1419,7 +1419,7 @@ fatal VPROTO ((const char *str, ...))
 void
 cpp_fatal VPROTO ((cpp_reader * pfile ATTRIBUTE_UNUSED, const char *str, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   cpp_reader * pfile;
   const char *str;
 #endif
@@ -1427,7 +1427,7 @@ cpp_fatal VPROTO ((cpp_reader * pfile ATTRIBUTE_UNUSED, const char *str, ...))
   
   VA_START(ap, str);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   pfile = va_arg (ap, cpp_reader *);
   str = va_arg (ap, const char *);
 #endif
diff --git a/gcc/gansidecl.h b/gcc/gansidecl.h
index f9326403774..3ba99f59f4b 100644
--- a/gcc/gansidecl.h
+++ b/gcc/gansidecl.h
@@ -22,29 +22,17 @@ Boston, MA 02111-1307, USA.  */
    in binutils and gdb releases.
    ??? Over time the two should be merged into one.  */
 
-#ifndef	ANSIDECL_H
-#define	ANSIDECL_H
+#ifndef	__GANSIDECL_H__
+#define	__GANSIDECL_H__
 
-/* Add prototype support.  */
-#ifndef PROTO
-#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
-#define PROTO(ARGS) ARGS
-#else
-#define PROTO(ARGS) ()
-#endif
-#endif
+#include "ansidecl.h"
 
-#ifndef VPROTO
-#ifdef __STDC__
-#define PVPROTO(ARGS)		ARGS
-#define VPROTO(ARGS)            ARGS
-#define VA_START(va_list,var)  va_start(va_list,var)
-#else
-#define PVPROTO(ARGS)		()
-#define VPROTO(ARGS)            (va_alist) va_dcl
-#define VA_START(va_list,var)  va_start(va_list)
-#endif
-#endif
+/* Undef ansidecl.h's "obsolete" version. */
+#undef PROTO
+/* These macros are deprecated, use ansidecl.h's PARAMS style instead. */
+#define PROTO(ARGS) PARAMS(ARGS)
+#define VPROTO(ARGS) VPARAMS(ARGS)
+#define PVPROTO(ARGS) PARAMS(ARGS)
 
 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
 # define __attribute__(x)
@@ -67,29 +55,10 @@ Boston, MA 02111-1307, USA.  */
 #define ATTRIBUTE_PRINTF_5 ATTRIBUTE_PRINTF(5, 6)
 #endif /* ATTRIBUTE_PRINTF */
 
-#ifndef GENERIC_PTR
-#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
-#define GENERIC_PTR void *
-#else
-#define GENERIC_PTR char *
-#endif
-#endif
+#define GENERIC_PTR PTR
 
 #ifndef NULL_PTR
-#define NULL_PTR ((GENERIC_PTR) 0)
+#define NULL_PTR ((PTR) 0)
 #endif
 
-#ifdef __STDC__
-
-#define	PTR void *
-
-#else
-
-#define	PTR char *
-#ifndef const
-#define const
-#endif
-
-#endif /* ! __STDC__ */
-
-#endif /* ANSIDECL_H */
+#endif /* __GANSIDECL_H__ */
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 15e0fe6c7a7..d7ff558da97 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -5296,14 +5296,14 @@ concat VPROTO((char *first, ...))
   register char *end;
   register char *arg;
   va_list args;
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *first;
 #endif
 
   /* First compute the size of the result and get sufficient memory.  */
 
   VA_START (args, first);
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   first = va_arg (args, char *);
 #endif
 
@@ -5322,7 +5322,7 @@ concat VPROTO((char *first, ...))
   /* Now copy the individual pieces to the result string.  */
 
   VA_START (args, first);
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   first = va_arg (args, char *);
 #endif
 
@@ -5398,14 +5398,14 @@ fancy_abort ()
 static void
 fatal VPROTO((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
@@ -5420,14 +5420,14 @@ fatal VPROTO((char *format, ...))
 static void
 error VPROTO((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genattr.c b/gcc/genattr.c
index 9c062b5d112..dd44fde6ba8 100644
--- a/gcc/genattr.c
+++ b/gcc/genattr.c
@@ -224,14 +224,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genattrtab.c b/gcc/genattrtab.c
index 8ac90c67bcc..8bb3dc69948 100644
--- a/gcc/genattrtab.c
+++ b/gcc/genattrtab.c
@@ -538,7 +538,7 @@ attr_hash_add_string (hashcode, str)
 static rtx
 attr_rtx VPROTO((enum rtx_code code, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   enum rtx_code code;
 #endif
   va_list p;
@@ -551,7 +551,7 @@ attr_rtx VPROTO((enum rtx_code code, ...))
 
   VA_START (p, code);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   code = va_arg (p, enum rtx_code);
 #endif
 
@@ -735,7 +735,7 @@ attr_rtx VPROTO((enum rtx_code code, ...))
 static char *
 attr_printf VPROTO((register int len, char *fmt, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   register int len;
   char *fmt;
 #endif
@@ -744,7 +744,7 @@ attr_printf VPROTO((register int len, char *fmt, ...))
 
   VA_START (p, fmt);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   len = va_arg (p, int);
   fmt = va_arg (p, char *);
 #endif
@@ -5816,14 +5816,14 @@ copy_rtx_unchanging (orig)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/gencodes.c b/gcc/gencodes.c
index 429e4635f4d..696dbfb2802 100644
--- a/gcc/gencodes.c
+++ b/gcc/gencodes.c
@@ -82,14 +82,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genconfig.c b/gcc/genconfig.c
index 3e070a99f9c..e61e1a24ba9 100644
--- a/gcc/genconfig.c
+++ b/gcc/genconfig.c
@@ -271,14 +271,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genemit.c b/gcc/genemit.c
index d9281301b92..f67dacbb683 100644
--- a/gcc/genemit.c
+++ b/gcc/genemit.c
@@ -705,14 +705,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genextract.c b/gcc/genextract.c
index a1e48ed92ea..00bc571c991 100644
--- a/gcc/genextract.c
+++ b/gcc/genextract.c
@@ -373,14 +373,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genflags.c b/gcc/genflags.c
index c9214abdc9c..b56175f86a3 100644
--- a/gcc/genflags.c
+++ b/gcc/genflags.c
@@ -202,14 +202,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genopinit.c b/gcc/genopinit.c
index 066a0550708..985be8fdb0b 100644
--- a/gcc/genopinit.c
+++ b/gcc/genopinit.c
@@ -307,14 +307,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genoutput.c b/gcc/genoutput.c
index 89a37df080a..1651070c96d 100644
--- a/gcc/genoutput.c
+++ b/gcc/genoutput.c
@@ -925,14 +925,14 @@ mybcopy (b1, b2, length)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
@@ -955,14 +955,14 @@ fancy_abort ()
 static void
 error VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genpeep.c b/gcc/genpeep.c
index 1430b63665a..ad9efabad4d 100644
--- a/gcc/genpeep.c
+++ b/gcc/genpeep.c
@@ -410,14 +410,14 @@ xrealloc (ptr, size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/genrecog.c b/gcc/genrecog.c
index ee33a0c189e..db4566ad615 100644
--- a/gcc/genrecog.c
+++ b/gcc/genrecog.c
@@ -1685,14 +1685,14 @@ xmalloc (size)
 static void
 fatal VPROTO ((char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/halfpic.h b/gcc/halfpic.h
index 96f62d45b86..a4f8961927d 100644
--- a/gcc/halfpic.h
+++ b/gcc/halfpic.h
@@ -20,7 +20,7 @@ Boston, MA 02111-1307, USA.  */
 
 #ifndef NO_HALF_PIC
 
-#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
+#ifdef ANSI_PROTOTYPES
 union tree_node;		/* forward reference */
 struct rtx_def;
 #endif
diff --git a/gcc/hash.h b/gcc/hash.h
index 5a3838c5ace..5733daadab4 100644
--- a/gcc/hash.h
+++ b/gcc/hash.h
@@ -18,31 +18,9 @@ You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
-#ifdef IN_GCC
-
-/* Add prototype support.  */
-#ifndef PROTO
-#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
-#define PROTO(ARGS) ARGS
-#else
-#define PROTO(ARGS) ()
-#endif
-#endif
-
-#define PARAMS(ARGS) PROTO(ARGS)
-
-#ifdef __STDC__
-#define PTR void *
-#else
-#ifndef const
-#define const
-#endif
-#define PTR char *
-#endif
-
-#else /* ! IN_GCC */
+#ifndef IN_GCC
 #include <ansidecl.h>
-#endif /* IN_GCC */
+#endif /* ! IN_GCC */
 
 #include "obstack.h"
 
diff --git a/gcc/mips-tfile.c b/gcc/mips-tfile.c
index c1407703077..ad112fccbcb 100644
--- a/gcc/mips-tfile.c
+++ b/gcc/mips-tfile.c
@@ -610,15 +610,11 @@ Boston, MA 02111-1307, USA.  */
 #define __LINE__ 0
 #endif
 
+#define __proto(x) PARAMS(x)
+/* Should PTR_T and CPTR_T be typedef'ed in terms of PTR ??? */
 #ifdef __STDC__
 typedef void *PTR_T;
 typedef const void *CPTR_T;
-#define __proto(x) x
-#ifndef VPROTO
-#define PVPROTO(ARGS)		ARGS
-#define VPROTO(ARGS)            ARGS
-#define VA_START(va_list,var)  va_start(va_list,var)
-#endif
 #else
 
 #if defined(_STDIO_H_) || defined(__STDIO_H__)		/* Ultrix 4.0, SGI */
@@ -630,13 +626,6 @@ typedef char *PTR_T;					/* Ultrix 3.1 */
 typedef char *CPTR_T;
 #endif
 
-#define __proto(x) ()
-#define const
-#ifndef VPROTO
-#define PVPROTO(ARGS)		()
-#define VPROTO(ARGS)            (va_alist) va_dcl
-#define VA_START(va_list,var)  va_start(va_list)
-#endif
 #endif
 
 /* Do to size_t being defined in sys/types.h and different
@@ -5607,14 +5596,14 @@ free_thead (ptr)
 void
 fatal VPROTO((const char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
@@ -5637,14 +5626,14 @@ fatal VPROTO((const char *format, ...))
 void
 error VPROTO((const char *format, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *format;
 #endif
   va_list ap;
 
   VA_START (ap, format);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   format = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/prefix.c b/gcc/prefix.c
index b949fce4e41..387ff462dd4 100644
--- a/gcc/prefix.c
+++ b/gcc/prefix.c
@@ -118,14 +118,14 @@ concat VPROTO((char *first, ...))
   register char *end;
   register char *arg;
   va_list args;
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *first;
 #endif
 
   /* First compute the size of the result and get sufficient memory.  */
 
   VA_START (args, first);
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   first = va_arg (args, char *);
 #endif
 
@@ -144,7 +144,7 @@ concat VPROTO((char *first, ...))
   /* Now copy the individual pieces to the result string.  */
 
   VA_START (args, first);
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   first = va_arg (args, char *);
 #endif
 
diff --git a/gcc/scan.h b/gcc/scan.h
index 12879c015bf..f27c9a3ceb4 100644
--- a/gcc/scan.h
+++ b/gcc/scan.h
@@ -34,7 +34,7 @@ typedef struct sstring
   if ((STR)->limit - (STR)->ptr < (COUNT)) make_sstring_space (STR, COUNT);
 
 #ifndef _PARAMS
-#if defined(__STDC__) || defined(__cplusplus)
+#if defined(ANSI_PROTOTYPES) || defined(__cplusplus)
 #define _PARAMS(args) args
 #else
 #define _PARAMS(args) ()
diff --git a/gcc/system.h b/gcc/system.h
index 0e78de09681..ca786a49c81 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -8,7 +8,7 @@
 #define __GCC_SYSTEM_H__
 
 /* We must include stdarg.h/varargs.h before stdio.h. */
-#ifdef __STDC__
+#ifdef ANSI_PROTOTYPES
 #include <stdarg.h>
 #else
 #include <varargs.h>
diff --git a/gcc/toplev.c b/gcc/toplev.c
index c79c4dff12a..851ed3e94e1 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -1659,7 +1659,7 @@ v_error_with_file_and_line (file, line, s, ap)
 void
 error_with_file_and_line VPROTO((char *file, int line, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *file;
   int line;
   char *s;
@@ -1668,7 +1668,7 @@ error_with_file_and_line VPROTO((char *file, int line, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   file = va_arg (ap, char *);
   line = va_arg (ap, int);
   s = va_arg (ap, char *);
@@ -1696,7 +1696,7 @@ v_error_with_decl (decl, s, ap)
 void
 error_with_decl VPROTO((tree decl, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   tree decl;
   char *s;
 #endif
@@ -1704,7 +1704,7 @@ error_with_decl VPROTO((tree decl, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   decl = va_arg (ap, tree);
   s = va_arg (ap, char *);
 #endif
@@ -1735,7 +1735,7 @@ v_error_for_asm (insn, s, ap)
 void
 error_for_asm VPROTO((rtx insn, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   rtx insn;
   char *s;
 #endif
@@ -1743,7 +1743,7 @@ error_for_asm VPROTO((rtx insn, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   insn = va_arg (ap, rtx);
   s = va_arg (ap, char *);
 #endif
@@ -1765,14 +1765,14 @@ verror (s, ap)
 void
 error VPROTO((char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *s;
 #endif
   va_list ap;
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   s = va_arg (ap, char *);
 #endif
 
@@ -1794,14 +1794,14 @@ vfatal (s, ap)
 void
 fatal VPROTO((char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *s;
 #endif
   va_list ap;
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   s = va_arg (ap, char *);
 #endif
 
@@ -1828,7 +1828,7 @@ v_warning_with_file_and_line (file, line, s, ap)
 void
 warning_with_file_and_line VPROTO((char *file, int line, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *file;
   int line;
   char *s;
@@ -1837,7 +1837,7 @@ warning_with_file_and_line VPROTO((char *file, int line, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   file = va_arg (ap, char *);
   line = va_arg (ap, int);
   s = va_arg (ap, char *);
@@ -1867,7 +1867,7 @@ v_warning_with_decl (decl, s, ap)
 void
 warning_with_decl VPROTO((tree decl, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   tree decl;
   char *s;
 #endif
@@ -1875,7 +1875,7 @@ warning_with_decl VPROTO((tree decl, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   decl = va_arg (ap, tree);
   s = va_arg (ap, char *);
 #endif
@@ -1908,7 +1908,7 @@ v_warning_for_asm (insn, s, ap)
 void
 warning_for_asm VPROTO((rtx insn, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   rtx insn;
   char *s;
 #endif
@@ -1916,7 +1916,7 @@ warning_for_asm VPROTO((rtx insn, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   insn = va_arg (ap, rtx);
   s = va_arg (ap, char *);
 #endif
@@ -1938,14 +1938,14 @@ vwarning (s, ap)
 void
 warning VPROTO((char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *s;
 #endif
   va_list ap;
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   s = va_arg (ap, char *);
 #endif
 
@@ -1970,14 +1970,14 @@ vpedwarn (s, ap)
 void
 pedwarn VPROTO((char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *s;
 #endif
   va_list ap;
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   s = va_arg (ap, char *);
 #endif
 
@@ -2010,7 +2010,7 @@ v_pedwarn_with_decl (decl, s, ap)
 void
 pedwarn_with_decl VPROTO((tree decl, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   tree decl;
   char *s;
 #endif
@@ -2018,7 +2018,7 @@ pedwarn_with_decl VPROTO((tree decl, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   decl = va_arg (ap, tree);
   s = va_arg (ap, char *);
 #endif
@@ -2043,7 +2043,7 @@ v_pedwarn_with_file_and_line (file, line, s, ap)
 void
 pedwarn_with_file_and_line VPROTO((char *file, int line, char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *file;
   int line;
   char *s;
@@ -2052,7 +2052,7 @@ pedwarn_with_file_and_line VPROTO((char *file, int line, char *s, ...))
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   file = va_arg (ap, char *);
   line = va_arg (ap, int);
   s = va_arg (ap, char *);
@@ -2081,14 +2081,14 @@ vsorry (s, ap)
 void
 sorry VPROTO((char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *s;
 #endif
   va_list ap;
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   s = va_arg (ap, char *);
 #endif
 
@@ -2115,14 +2115,14 @@ v_really_sorry (s, ap)
 void
 really_sorry VPROTO((char *s, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   char *s;
 #endif
   va_list ap;
 
   VA_START (ap, s);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   s = va_arg (ap, char *);
 #endif
 
diff --git a/gcc/toplev.h b/gcc/toplev.h
index 740dda12c31..38d0fca21fb 100644
--- a/gcc/toplev.h
+++ b/gcc/toplev.h
@@ -5,7 +5,7 @@
 #ifndef __GCC_TOPLEV_H__
 #define __GCC_TOPLEV_H__
 
-#ifdef __STDC__
+#ifdef ANSI_PROTOTYPES
 union tree_node;
 struct rtx_def;
 #endif
diff --git a/gcc/tree.c b/gcc/tree.c
index 6eb138f168b..de3655cb605 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -2983,7 +2983,7 @@ stabilize_reference_1 (e)
 tree
 build VPROTO((enum tree_code code, tree tt, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   enum tree_code code;
   tree tt;
 #endif
@@ -2994,7 +2994,7 @@ build VPROTO((enum tree_code code, tree tt, ...))
 
   VA_START (p, tt);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   code = va_arg (p, enum tree_code);
   tt = va_arg (p, tree);
 #endif
@@ -3109,7 +3109,7 @@ build1 (code, type, node)
 tree
 build_nt VPROTO((enum tree_code code, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   enum tree_code code;
 #endif
   va_list p;
@@ -3119,7 +3119,7 @@ build_nt VPROTO((enum tree_code code, ...))
 
   VA_START (p, code);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   code = va_arg (p, enum tree_code);
 #endif
 
@@ -3139,7 +3139,7 @@ build_nt VPROTO((enum tree_code code, ...))
 tree
 build_parse_node VPROTO((enum tree_code code, ...))
 {
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   enum tree_code code;
 #endif
   register struct obstack *ambient_obstack = expression_obstack;
@@ -3150,7 +3150,7 @@ build_parse_node VPROTO((enum tree_code code, ...))
 
   VA_START (p, code);
 
-#ifndef __STDC__
+#ifndef ANSI_PROTOTYPES
   code = va_arg (p, enum tree_code);
 #endif