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-rw-r--r--stdio/fclose.c10
-rw-r--r--stdio/feof.c14
-rw-r--r--stdio/ferror.c14
-rw-r--r--stdio/fflush.c16
-rw-r--r--stdio/fgetc.c12
-rw-r--r--stdio/fgetpos.c19
-rw-r--r--stdio/fgets.c18
-rw-r--r--stdio/fileno.c12
-rw-r--r--stdio/fmemopen.c15
-rw-r--r--stdio/fopen.c19
-rw-r--r--stdio/fputc.c13
-rw-r--r--stdio/fread.c26
-rw-r--r--stdio/freopen.c15
-rw-r--r--stdio/fseek.c17
-rw-r--r--stdio/fsetpos.c11
-rw-r--r--stdio/ftell.c8
-rw-r--r--stdio/fwrite.c21
-rw-r--r--stdio/getdelim.c16
-rw-r--r--stdio/gets.c14
-rw-r--r--stdio/glue.c15
-rw-r--r--stdio/internals.c108
-rw-r--r--stdio/memstream.c32
-rw-r--r--stdio/setvbuf.c22
-rw-r--r--stdio/ungetc.c11
-rw-r--r--stdio/vsscanf.c15
25 files changed, 263 insertions, 230 deletions
diff --git a/stdio/fclose.c b/stdio/fclose.c
index bcf4cd4163..413d8f3d7b 100644
--- a/stdio/fclose.c
+++ b/stdio/fclose.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -26,7 +25,8 @@ Cambridge, MA 02139, USA.  */
 
 /* Close a stream.  */
 int
-DEFUN(fclose, (stream), register FILE *stream)
+fclose (stream)
+     register FILE *stream;
 {
   int status;
 
@@ -42,10 +42,10 @@ DEFUN(fclose, (stream), register FILE *stream)
 
   if (!__validfp(stream))
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
-	
+
   if (stream->__mode.__write &&
       /* Flush the buffer.  */
       __flshfp (stream, EOF) == EOF)
diff --git a/stdio/feof.c b/stdio/feof.c
index c18300f6b5..b98220799f 100644
--- a/stdio/feof.c
+++ b/stdio/feof.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
@@ -25,13 +24,14 @@ Cambridge, MA 02139, USA.  */
 
 /* Return non-zero if STREAM has its EOF indicator set.  */
 int
-DEFUN(feof, (stream), FILE *stream)
+feof (stream)
+     FILE *stream;
 {
-  if (!__validfp(stream))
+  if (!__validfp (stream))
     {
-      errno = EINVAL;
-      return(-1);
+      __set_errno (EINVAL);
+      return -1;
     }
 
-  return(stream->__eof);
+  return stream->__eof;
 }
diff --git a/stdio/ferror.c b/stdio/ferror.c
index ed8f74401a..857b250201 100644
--- a/stdio/ferror.c
+++ b/stdio/ferror.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
@@ -25,13 +24,14 @@ Cambridge, MA 02139, USA.  */
 
 /* Return non-zero if STREAM has its error indicator set.  */
 int
-DEFUN(ferror, (stream), FILE *stream)
+ferror (stream)
+     FILE *stream;
 {
-  if (!__validfp(stream))
+  if (!__validfp (stream))
     {
-      errno = EINVAL;
-      return(-1);
+      __set_errno (EINVAL);
+      return -1;
     }
 
-  return(stream->__error);
+  return stream->__error;
 }
diff --git a/stdio/fflush.c b/stdio/fflush.c
index a6d52ba3e7..41e66fa540 100644
--- a/stdio/fflush.c
+++ b/stdio/fflush.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -24,22 +23,23 @@ Cambridge, MA 02139, USA.  */
 /* Flush STREAM's buffer.
    If STREAM is NULL, flush the buffers of all streams that are writing.  */
 int
-DEFUN(fflush, (stream), register FILE *stream)
+fflush (stream)
+     register FILE *stream;
 {
   if (stream == NULL)
     {
       int lossage = 0;
       for (stream = __stdio_head; stream != NULL; stream = stream->__next)
-	if (__validfp(stream) && stream->__mode.__write)
-	  lossage |= fflush(stream) == EOF;
+	if (__validfp (stream) && stream->__mode.__write)
+	  lossage |= fflush (stream) == EOF;
       return lossage ? EOF : 0;
     }
 
-  if (!__validfp(stream) || !stream->__mode.__write)
+  if (!__validfp (stream) || !stream->__mode.__write)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
-  return __flshfp(stream, EOF);
+  return __flshfp (stream, EOF);
 }
diff --git a/stdio/fgetc.c b/stdio/fgetc.c
index 7f01090294..9bfff3477a 100644
--- a/stdio/fgetc.c
+++ b/stdio/fgetc.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,20 +16,20 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
 
 /* Read a character from STREAM.  */
 int
-DEFUN(fgetc, (stream), FILE *stream)
+fgetc (stream)
+     FILE *stream;
 {
-  if (!__validfp(stream) || !stream->__mode.__read)
+  if (!__validfp (stream) || !stream->__mode.__read)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
-  return __getc(stream);
+  return __getc (stream);
 }
diff --git a/stdio/fgetpos.c b/stdio/fgetpos.c
index cb6a1588ba..a615081c99 100644
--- a/stdio/fgetpos.c
+++ b/stdio/fgetpos.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
@@ -25,16 +24,18 @@ Cambridge, MA 02139, USA.  */
 
 /* Put the current position of STREAM in *POS.  */
 int
-DEFUN(fgetpos, (stream, pos), FILE *stream AND fpos_t *pos)
+fgetpos (stream, pos)
+     FILE *stream;
+     fpos_t *pos;
 {
-  if (!__validfp(stream) || pos == NULL)
+  if (!__validfp (stream) || pos == NULL)
     {
-      errno = EINVAL;
-      return(-1);
+      __set_errno (EINVAL);
+      return -1;
     }
 
-  *pos = ftell(stream);
+  *pos = ftell (stream);
   if (*pos < 0L)
-    return(-1);
-  return(0);
+    return -1;
+  return 0;
 }
diff --git a/stdio/fgets.c b/stdio/fgets.c
index e9e53c88dd..01d4d9d095 100644
--- a/stdio/fgets.c
+++ b/stdio/fgets.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
@@ -28,13 +27,16 @@ Cambridge, MA 02139, USA.  */
    to S, the function returns NULL without appending the null character.
    If there is a file error, always return NULL.  */
 char *
-DEFUN(fgets, (s, n, stream), char *s AND int n AND register FILE *stream)
+fgets (s, n, stream)
+     char *s;
+     int n;
+     register FILE *stream;
 {
   register char *p = s;
 
-  if (!__validfp(stream) || s == NULL || n <= 0)
+  if (!__validfp (stream) || s == NULL || n <= 0)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return NULL;
     }
 
@@ -45,7 +47,7 @@ DEFUN(fgets, (s, n, stream), char *s AND int n AND register FILE *stream)
     {
       /* Unbuffered stream.  Not much optimization to do.  */
       register int c = 0;
-      while (--n > 0 && (c = getc (stream)) != EOF) 
+      while (--n > 0 && (c = getc (stream)) != EOF)
 	if ((*p++ = c) == '\n')
 	  break;
       if (c == EOF && (p == s || ferror (stream)))
@@ -79,7 +81,7 @@ DEFUN(fgets, (s, n, stream), char *s AND int n AND register FILE *stream)
       size_t i;
       char *found;
 
-      i = stream->__get_limit - stream->__bufp;	
+      i = stream->__get_limit - stream->__bufp;
       if (i == 0)
 	{
 	  /* Refill the buffer.  */
@@ -93,7 +95,7 @@ DEFUN(fgets, (s, n, stream), char *s AND int n AND register FILE *stream)
 	      *p = '\0';
 	      return s;
 	    }
-	  i = stream->__get_limit - stream->__bufp;	
+	  i = stream->__get_limit - stream->__bufp;
 	}
 
       if (i > n)
diff --git a/stdio/fileno.c b/stdio/fileno.c
index da55300c8b..dc3dfdf6e2 100644
--- a/stdio/fileno.c
+++ b/stdio/fileno.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,19 +16,19 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
 /* Return the system file descriptor associated with STREAM.  */
 int
-DEFUN(fileno, (stream), FILE *stream)
+fileno (stream)
+     FILE *stream;
 {
   extern void __stdio_check_funcs __P ((FILE *));
 
   if (! __validfp (stream))
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return -1;
     }
 
@@ -37,9 +37,9 @@ DEFUN(fileno, (stream), FILE *stream)
   if (stream->__io_funcs.__fileno == NULL)
     {
 #ifdef EOPNOTSUPP
-      errno = EOPNOTSUPP;
+      __set_errno (EOPNOTSUPP);
 #else
-      errno = ENOSYS;
+      __set_errno (ENOSYS);
 #endif
       return -1;
     }
diff --git a/stdio/fmemopen.c b/stdio/fmemopen.c
index 42a137a2c8..a161110703 100644
--- a/stdio/fmemopen.c
+++ b/stdio/fmemopen.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stddef.h>
 #include <stdio.h>
@@ -25,7 +24,7 @@ Cambridge, MA 02139, USA.  */
 
 
 /* Defined in fopen.c.  */
-extern int EXFUN(__getmode, (CONST char *mode, __io_mode *mptr));
+extern int __getmode __P ((const char *mode, __io_mode *mptr));
 
 /* Open a new stream that will read and/or write from the buffer in
    S, which is of LEN bytes.  If the mode indicates appending, the
@@ -40,8 +39,10 @@ extern int EXFUN(__getmode, (CONST char *mode, __io_mode *mptr));
    to read, attempted writes always return an output error and attempted
    reads always return end-of-file.  */
 FILE *
-DEFUN(fmemopen, (s, len, mode),
-      PTR s AND size_t len AND CONST char *mode)
+fmemopen (s, len, mode)
+     void *s;
+     size_t len;
+     const char *mode;
 {
   __io_mode m;
   register FILE *stream;
@@ -77,7 +78,7 @@ DEFUN(fmemopen, (s, len, mode),
 	{
 	  int save = errno;
 	  (void) fclose (stream);
-	  errno = save;
+	  __set_errno (save);
 	  return NULL;
 	}
     }
@@ -102,7 +103,7 @@ DEFUN(fmemopen, (s, len, mode),
 	stream->__bufp = p;
     }
   else if (stream->__mode.__truncate)
-    memset ((PTR) stream->__buffer, 0, len);
+    memset ((void *) stream->__buffer, 0, len);
 
   return stream;
 }
diff --git a/stdio/fopen.c b/stdio/fopen.c
index fba6ac436a..fea227482f 100644
--- a/stdio/fopen.c
+++ b/stdio/fopen.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <ctype.h>
 #include <errno.h>
 #include <stdio.h>
@@ -24,18 +23,20 @@ Cambridge, MA 02139, USA.  */
 #include <string.h>
 
 
-#define	badmode()	return ((errno = EINVAL), 0)
+#define	badmode()	return ((__set_errno (EINVAL)), 0)
 
 /* Dissect the given mode string into an __io_mode.  */
 int
-DEFUN(__getmode, (mode, mptr), CONST char *mode AND __io_mode *mptr)
+__getmode (mode, mptr)
+     const char *mode;
+     __io_mode *mptr;
 {
   register unsigned char i;
 
   if (mode == NULL)
     badmode ();
 
-  memset ((PTR) mptr, 0, sizeof (*mptr));
+  memset ((void *) mptr, 0, sizeof (*mptr));
 
   switch (*mode)
     {
@@ -78,14 +79,16 @@ DEFUN(__getmode, (mode, mptr), CONST char *mode AND __io_mode *mptr)
 
 /* Open a new stream on the given file.  */
 FILE *
-DEFUN(fopen, (filename, mode), CONST char *filename AND CONST char *mode)
+fopen (filename, mode)
+     const char *filename;
+     const char *mode;
 {
   FILE *stream;
   __io_mode m;
 
   if (filename == NULL)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return NULL;
     }
 
@@ -100,7 +103,7 @@ DEFUN(fopen, (filename, mode), CONST char *filename AND CONST char *mode)
     {
       int save = errno;
       (void) fclose (stream);
-      errno = save;
+      __set_errno (save);
       return NULL;
     }
 
diff --git a/stdio/fputc.c b/stdio/fputc.c
index 36b9501195..2cbba2a449 100644
--- a/stdio/fputc.c
+++ b/stdio/fputc.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,20 +16,21 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
 
 /* Write the character C to STREAM.  */
 int
-DEFUN(fputc, (c, stream), int c AND FILE *stream)
+fputc (c, stream)
+     int c;
+     FILE *stream;
 {
-  if (!__validfp(stream) || !stream->__mode.__write)
+  if (!__validfp (stream) || !stream->__mode.__write)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
-  return __putc(c, stream);
+  return __putc (c, stream);
 }
diff --git a/stdio/fread.c b/stdio/fread.c
index d2766f6616..63d41d2bd0 100644
--- a/stdio/fread.c
+++ b/stdio/fread.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
@@ -26,19 +25,22 @@ Cambridge, MA 02139, USA.  */
 
 /* Read NMEMB chunks of SIZE bytes each from STREAM into P.  */
 size_t
-DEFUN(fread, (p, size, nmemb, stream),
-      PTR p AND size_t size AND size_t nmemb AND register FILE *stream)
+fread (p, size, nmemb, stream)
+     void *p;
+     size_t size;
+     size_t nmemb;
+     register FILE *stream;
 {
   register char *ptr = (char *) p;
   register size_t to_read = size * nmemb;
   size_t bytes = to_read;
 
-  if (!__validfp(stream) || !stream->__mode.__read)
+  if (!__validfp (stream) || !stream->__mode.__read)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return 0;
     }
-  if (feof(stream) || ferror(stream))
+  if (feof (stream) || ferror (stream))
     return 0;
   if (p == NULL || to_read == 0)
     return 0;
@@ -48,7 +50,7 @@ DEFUN(fread, (p, size, nmemb, stream),
       /* This stream has never been seen before, or it has a character
 	 pushed back.  Call __fillbf to deal with those cases.  Life will
 	 be simpler after this call.  */
-      int c = __fillbf(stream);
+      int c = __fillbf (stream);
       if (c == EOF)
 	return 0;
       *ptr++ = c;
@@ -65,7 +67,7 @@ DEFUN(fread, (p, size, nmemb, stream),
 	copy = to_read;
       to_read -= copy;
       if (copy > 20)
-	memcpy((PTR) ptr, (PTR) stream->__bufp, copy);
+	memcpy((void *) ptr, (void *) stream->__bufp, copy);
       else
 	{
 	  register size_t i;
@@ -90,8 +92,8 @@ DEFUN(fread, (p, size, nmemb, stream),
 	while (to_read > 0)
 	  {
 	    register int count;
-	    count = (*stream->__io_funcs.__read)(stream->__cookie,
-						 ptr, to_read);
+	    count = (*stream->__io_funcs.__read) (stream->__cookie,
+						  ptr, to_read);
 	    if (count > 0)
 	      {
 		to_read -= count;
@@ -118,7 +120,7 @@ DEFUN(fread, (p, size, nmemb, stream),
     }
   else
     {
-      int c = __fillbf(stream);
+      int c = __fillbf (stream);
       if (c == EOF)
 	return (bytes - to_read) / size;
       *ptr++ = (char) c;
diff --git a/stdio/freopen.c b/stdio/freopen.c
index bedddb1a63..a21d725c17 100644
--- a/stdio/freopen.c
+++ b/stdio/freopen.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
@@ -30,16 +29,18 @@ extern int __stdio_reopen __P ((const char *filename, __io_mode mode,
 
 /* Replace STREAM, opening it on FILENAME.  */
 FILE *
-DEFUN(freopen, (filename, mode, stream),
-      CONST char *filename AND CONST char *mode AND register FILE *stream)
+freopen (filename, mode, stream)
+     const char *filename;
+     const char *mode;
+     register FILE *stream;
 {
   __io_mode m;
-  PTR cookie;
+  void *cookie;
 
   if (!__getmode (mode, &m))
     {
       (void) fclose (stream);
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return NULL;
     }
 
@@ -56,7 +57,7 @@ DEFUN(freopen, (filename, mode, stream),
     {
       int save = errno;
       (void) fclose (stream);
-      errno = save;
+      __set_errno (save);
       return NULL;
     }
 
diff --git a/stdio/fseek.c b/stdio/fseek.c
index 2127c9757b..9dce18f5d3 100644
--- a/stdio/fseek.c
+++ b/stdio/fseek.c
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
@@ -26,14 +25,16 @@ Cambridge, MA 02139, USA.  */
    is SEEK_SET, the end of the file is it is SEEK_END,
    or the current position if it is SEEK_CUR.  */
 int
-DEFUN(fseek, (stream, offset, whence),
-      register FILE *stream AND long int offset AND int whence)
+fseek (stream, offset, whence)
+     register FILE *stream;
+     long int offset;
+     int whence;
 {
   long int o;
 
   if (!__validfp (stream))
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
@@ -63,7 +64,7 @@ DEFUN(fseek, (stream, offset, whence),
   switch (whence)
     {
     default:
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
 
     case SEEK_END:
@@ -72,7 +73,7 @@ DEFUN(fseek, (stream, offset, whence),
 	 for, and then look where that is.  */
       if (stream->__io_funcs.__seek == NULL)
 	{
-	  errno = ESPIPE;
+	  __set_errno (ESPIPE);
 	  return EOF;
 	}
       else
@@ -144,7 +145,7 @@ DEFUN(fseek, (stream, offset, whence),
   if (o < 0)
     {
       /* Negative file position is meaningless.  */
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return -1;
     }
 
@@ -167,7 +168,7 @@ DEFUN(fseek, (stream, offset, whence),
 	 But it makes more sense for fseek to to fail with ESPIPE
 	 than for the next reading or writing operation to fail
 	 that way.  */
-      errno = ESPIPE;
+      __set_errno (ESPIPE);
       return EOF;
     }
 
diff --git a/stdio/fsetpos.c b/stdio/fsetpos.c
index 7c8fcb78bb..6aea674066 100644
--- a/stdio/fsetpos.c
+++ b/stdio/fsetpos.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
@@ -25,13 +24,15 @@ Cambridge, MA 02139, USA.  */
 
 /* Set the file position of STREAM to *POS.  */
 int
-DEFUN(fsetpos, (stream, pos), FILE *stream AND CONST fpos_t *pos)
+fsetpos (stream, pos)
+     FILE *stream;
+     const fpos_t *pos;
 {
   if (pos == NULL)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
-  return fseek(stream, *pos, SEEK_SET);
+  return fseek (stream, *pos, SEEK_SET);
 }
diff --git a/stdio/ftell.c b/stdio/ftell.c
index d27eaf7598..d715f2009f 100644
--- a/stdio/ftell.c
+++ b/stdio/ftell.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1994 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1994, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,20 +16,20 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
 /* Return the offset in bytes from the beginning
    of the file of the file position of STREAM.  */
 long int
-DEFUN(ftell, (stream), FILE *stream)
+ftell (stream)
+     FILE *stream;
 {
   long int pos;
 
   if (!__validfp (stream))
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return -1L;
     }
 
diff --git a/stdio/fwrite.c b/stdio/fwrite.c
index 790c663aea..7cf3898127 100644
--- a/stdio/fwrite.c
+++ b/stdio/fwrite.c
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 #include <string.h>
@@ -24,11 +23,13 @@ Cambridge, MA 02139, USA.  */
 
 /* Write NMEMB chunks of SIZE bytes each from PTR onto STREAM.  */
 size_t
-DEFUN(fwrite, (ptr, size, nmemb, stream),
-      CONST PTR ptr AND size_t size AND
-      size_t nmemb AND register FILE *stream)
+fwrite (ptr, size, nmemb, stream)
+     const void *ptr;
+     size_t size;
+     size_t nmemb;
+     register FILE *stream;
 {
-  register CONST unsigned char *p = (CONST unsigned char *) ptr;
+  register const unsigned char *p = (const unsigned char *) ptr;
   register size_t to_write = size * nmemb;
   register size_t written = 0;
   int newlinep;
@@ -37,7 +38,7 @@ DEFUN(fwrite, (ptr, size, nmemb, stream),
 
   if (!__validfp (stream) || !stream->__mode.__write)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return 0;
     }
 
@@ -71,7 +72,7 @@ DEFUN(fwrite, (ptr, size, nmemb, stream),
 	goto done;
       }
 
-    errno = save;
+    __set_errno (save);
   }
 
   if (stream->__buffer == NULL && default_func &&
@@ -82,7 +83,7 @@ DEFUN(fwrite, (ptr, size, nmemb, stream),
     {
       int count = (stream->__io_funcs.__write == NULL ? to_write :
 		   (*stream->__io_funcs.__write) (stream->__cookie,
-						  (CONST char *) p,
+						  (const char *) p,
 						  to_write));
       if (count > 0)
 	{
@@ -105,7 +106,7 @@ DEFUN(fwrite, (ptr, size, nmemb, stream),
   buffer_space = stream->__bufsize - (stream->__bufp - stream->__buffer);
 
   newlinep = (stream->__linebuf &&
-	      memchr ((CONST PTR) p, '\n', to_write) != NULL);
+	      memchr ((const void *) p, '\n', to_write) != NULL);
 
   if (newlinep && stream->__bufp == stream->__buffer &&
       stream->__offset == stream->__target)
@@ -148,7 +149,7 @@ DEFUN(fwrite, (ptr, size, nmemb, stream),
 	      *stream->__bufp++ = *p++;
 	  else
 	    {
-	      memcpy ((PTR) stream->__bufp, (PTR) p, n);
+	      memcpy ((void *) stream->__bufp, (void *) p, n);
 	      stream->__bufp += n;
 	      p += n;
 	    }
diff --git a/stdio/getdelim.c b/stdio/getdelim.c
index 2cdb95c2a6..761c7980c1 100644
--- a/stdio/getdelim.c
+++ b/stdio/getdelim.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -31,15 +30,18 @@ Cambridge, MA 02139, USA.  */
    null terminator), or -1 on error or EOF.  */
 
 ssize_t
-DEFUN(__getdelim, (lineptr, n, terminator, stream),
-      char **lineptr AND size_t *n AND int terminator AND FILE *stream)
+__getdelim (lineptr, n, terminator, stream)
+     char **lineptr;
+     size_t *n;
+     int terminator;
+     FILE *stream;
 {
   char *line, *p;
   size_t size, copy;
 
   if (!__validfp (stream) || lineptr == NULL || n == NULL)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return -1;
     }
 
@@ -116,7 +118,7 @@ DEFUN(__getdelim, (lineptr, n, terminator, stream),
 	  size_t i;
 	  char *found;
 
-	  i = stream->__get_limit - stream->__bufp;	
+	  i = stream->__get_limit - stream->__bufp;
 	  if (i == 0)
 	    {
 	      /* Refill the buffer.  */
@@ -127,7 +129,7 @@ DEFUN(__getdelim, (lineptr, n, terminator, stream),
 	      if (c == terminator)
 		goto win;
 	      --copy;
-	      i = stream->__get_limit - stream->__bufp;	
+	      i = stream->__get_limit - stream->__bufp;
 	    }
 
 	  if (i > copy)
diff --git a/stdio/gets.c b/stdio/gets.c
index 37426cf4e3..7f84c92df3 100644
--- a/stdio/gets.c
+++ b/stdio/gets.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <stdio.h>
 #include <errno.h>
 #include <string.h>
@@ -27,22 +26,23 @@ link_warning (gets,
 /* Read a newline-terminated string from stdin into S,
    removing the trailing newline.  Return S or NULL.  */
 char *
-DEFUN(gets, (s), char *s)
+gets (s)
+     char *s;
 {
   register char *p = s;
   register int c;
   FILE *stream = stdin;
 
-  if (!__validfp(stream) || p == NULL)
+  if (!__validfp (stream) || p == NULL)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return NULL;
     }
 
-  if (feof(stream) || ferror(stream))
+  if (feof (stream) || ferror (stream))
     return NULL;
 
-  while ((c = getchar()) != EOF)
+  while ((c = getchar ()) != EOF)
     if (c == '\n')
       break;
     else
diff --git a/stdio/glue.c b/stdio/glue.c
index 6ef52a7ada..592700ff94 100644
--- a/stdio/glue.c
+++ b/stdio/glue.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -27,7 +27,6 @@ Cambridge, MA 02139, USA.  */
    libraries) compiled with Unix header files to work with the GNU C
    library.  */
 
-#include <ansidecl.h>
 #include <stdio.h>
 #include <errno.h>
 
@@ -74,7 +73,8 @@ unix_FILE _iob[] =
    In a Unix stdio FILE `_cnt' is the first element.
    In a GNU stdio or glued FILE, the first element is the magic number.  */
 int
-DEFUN(_filbuf, (file), unix_FILE *file)
+_filbuf (file)
+     unix_FILE *file;
 {
   switch (++file->glue.magic)	/* Compensate for Unix getc's decrement.  */
     {
@@ -88,15 +88,16 @@ DEFUN(_filbuf, (file), unix_FILE *file)
 
     default:
       /* Bogus stream.  */
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 }
 
 /* Called by the Unix stdio `putc' macro.  Much like getc, above.  */
 int
-DEFUN(_flsbuf, (c, file),
-      int c AND unix_FILE *file)
+_flsbuf (c, file)
+     int c;
+     unix_FILE *file;
 {
   /* Compensate for putc's decrement.  */
   switch (++file->glue.magic)
@@ -108,7 +109,7 @@ DEFUN(_flsbuf, (c, file),
       return putc (c, (FILE *) file);
 
     default:
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 }
diff --git a/stdio/internals.c b/stdio/internals.c
index a1d1fa4989..8c2acc4026 100644
--- a/stdio/internals.c
+++ b/stdio/internals.c
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -25,7 +24,8 @@ Cambridge, MA 02139, USA.  */
 
 /* Make sure that FP has its functions set.  */
 void
-DEFUN(__stdio_check_funcs, (fp), register FILE *fp)
+__stdio_check_funcs (fp)
+     register FILE *fp;
 {
   if (!fp->__seen)
     {
@@ -34,7 +34,7 @@ DEFUN(__stdio_check_funcs, (fp), register FILE *fp)
 	 If no buffer is set (and the stream is not made explicitly
 	 unbuffered), we allocate a buffer below, using the bufsize
 	 set by this function.  */
-      extern void EXFUN(__stdio_init_stream, (FILE *));
+      extern void __stdio_init_stream __P ((FILE *));
       fp->__room_funcs = __default_room_functions;
       fp->__io_funcs = __default_io_functions;
       __stdio_init_stream (fp);
@@ -51,7 +51,8 @@ DEFUN(__stdio_check_funcs, (fp), register FILE *fp)
 /* Figure out what kind of buffering (none, line, or full)
    and what buffer size to give FP.  */
 static void
-DEFUN(init_stream, (fp), register FILE *fp)
+init_stream (fp)
+     register FILE *fp;
 {
   __stdio_check_funcs (fp);
 
@@ -69,13 +70,13 @@ DEFUN(init_stream, (fp), register FILE *fp)
       save = errno;
       while (fp->__bufsize >= MIN_BUFSIZE)
 	{
-	  fp->__buffer = (char *) malloc(fp->__bufsize);
+	  fp->__buffer = (char *) malloc (fp->__bufsize);
 	  if (fp->__buffer == NULL)
 	    fp->__bufsize /= 2;
 	  else
 	    break;
 	}
-      errno = save;
+      __set_errno (save);
 
       if (fp->__buffer == NULL)
 	{
@@ -96,7 +97,8 @@ DEFUN(init_stream, (fp), register FILE *fp)
 
 /* Determine the current file position of STREAM if it is unknown.  */
 int
-DEFUN(__stdio_check_offset, (stream), FILE *stream)
+__stdio_check_offset (stream)
+     FILE *stream;
 {
   init_stream (stream);
 
@@ -106,15 +108,15 @@ DEFUN(__stdio_check_offset, (stream), FILE *stream)
       if (stream->__io_funcs.__seek == NULL)
 	{
 	  /* Unknowable.  */
-	  errno = ESPIPE;
+	  __set_errno (ESPIPE);
 	  return EOF;
 	}
       else
 	{
 	  /* Unknown.  Find it out.  */
 	  fpos_t pos = (fpos_t) 0;
-	  if ((*stream->__io_funcs.__seek)(stream->__cookie,
-					   &pos, SEEK_CUR) < 0)
+	  if ((*stream->__io_funcs.__seek) (stream->__cookie,
+					    &pos, SEEK_CUR) < 0)
 	    {
 	      if (errno == ESPIPE)
 		/* Object is incapable of seeking.  */
@@ -139,13 +141,14 @@ DEFUN(__stdio_check_offset, (stream), FILE *stream)
    seeking as necessary and updating its `offset' field.
    Sets ferror(FP) (and possibly errno) for errors.  */
 static void
-DEFUN(seek_to_target, (fp), FILE *fp)
+seek_to_target (fp)
+     FILE *fp;
 {
   int save = errno;
   if (__stdio_check_offset (fp) == EOF)
     {
       if (errno == ESPIPE)
-	errno = save;
+	__set_errno (save);
       else
 	fp->__error = 1;
     }
@@ -156,13 +159,13 @@ DEFUN(seek_to_target, (fp), FILE *fp)
       if (fp->__io_funcs.__seek == NULL)
 	{
 	  /* We can't seek!  */
-	  errno = ESPIPE;
+	  __set_errno (ESPIPE);
 	  fp->__error = 1;
 	}
       else
 	{
 	  fpos_t pos = fp->__target;
-	  if ((*fp->__io_funcs.__seek)(fp->__cookie, &pos, SEEK_SET) < 0)
+	  if ((*fp->__io_funcs.__seek) (fp->__cookie, &pos, SEEK_SET) < 0)
 	    /* Seek failed!  */
 	    fp->__error = 1;
 	  else
@@ -175,10 +178,10 @@ DEFUN(seek_to_target, (fp), FILE *fp)
 #ifdef EGRATUITOUS
 		  /* It happens in the Hurd when the io server doesn't
 		     obey the protocol for io_seek.  */
-		  errno = EGRATUITOUS;
+		  __set_errno (EGRATUITOUS);
 #else
 		  /* I don't think this can happen in Unix.  */
-		  errno = ESPIPE; /* ??? */
+		  __set_errno (ESPIPE); /* ??? */
 #endif
 		  fp->__error = 1;
 		}
@@ -194,8 +197,9 @@ DEFUN(seek_to_target, (fp), FILE *fp)
    flushed to avoid a system call for a single character.
    This is the default `output room' function.  */
 static void
-DEFUN(flushbuf, (fp, c),
-      register FILE *fp AND int c)
+flushbuf (fp, c)
+     register FILE *fp;
+     int c;
 {
   int flush_only = c == EOF;
   size_t buffer_written;
@@ -223,21 +227,21 @@ DEFUN(flushbuf, (fp, c),
 	  !fp->__mode.__append)
 	{
 	  int save = errno;
-	  CONST int aligned = (fp->__buffer == NULL ||
-			       __stdio_check_offset(fp) == EOF ||
+	  const int aligned = (fp->__buffer == NULL ||
+			       __stdio_check_offset (fp) == EOF ||
 			       fp->__target % fp->__bufsize == 0);
-	  errno = save;
+	  __set_errno (save);
 
 	  if (!aligned)
 	    {
 	      /* Move to a block (buffer size) boundary and read in a block.
 		 Then the output will be written as a whole block, too.  */
-	      CONST size_t o = fp->__target % fp->__bufsize;
+	      const size_t o = fp->__target % fp->__bufsize;
 	      fp->__target -= o;
-	      if ((*fp->__room_funcs.__input)(fp) == EOF && ferror(fp))
+	      if ((*fp->__room_funcs.__input) (fp) == EOF && ferror (fp))
 		return;
 	      else
-		__clearerr(fp);
+		__clearerr (fp);
 
 	      if (fp->__get_limit - fp->__buffer < o)
 		/* Oops.  We didn't read enough (probably because we got EOF).
@@ -322,8 +326,8 @@ DEFUN(flushbuf, (fp, c),
       if (!ferror(fp))
 	{
 	  /* Write out the buffered data.  */
-	  wrote = (*fp->__io_funcs.__write)(fp->__cookie, fp->__buffer,
-					    to_write);
+	  wrote = (*fp->__io_funcs.__write) (fp->__cookie, fp->__buffer,
+					     to_write);
 	  if (wrote > 0)
 	    {
 	      if (fp->__mode.__append)
@@ -347,7 +351,7 @@ DEFUN(flushbuf, (fp, c),
   fp->__bufp = fp->__buffer;
 
   /* If we're not just flushing, write the last character, C.  */
-  if (!flush_only && !ferror(fp))
+  if (!flush_only && !ferror (fp))
     {
       if (fp->__buffer == NULL || (fp->__linebuf && (unsigned char) c == '\n'))
 	{
@@ -382,7 +386,7 @@ DEFUN(flushbuf, (fp, c),
       fp->__get_limit = fp->__buffer;
     }
 
-  if (feof(fp) || ferror(fp))
+  if (feof (fp) || ferror (fp))
     fp->__bufp = fp->__put_limit;
 }
 
@@ -390,7 +394,8 @@ DEFUN(flushbuf, (fp, c),
 /* Fill the buffer for FP and return the first character read (or EOF).
    This is the default `input_room' function.  */
 static int
-DEFUN(fillbuf, (fp), register FILE *fp)
+fillbuf (fp)
+     register FILE *fp;
 {
   /* How far into the buffer we read we want to start bufp.  */
   size_t buffer_offset = 0;
@@ -435,13 +440,13 @@ DEFUN(fillbuf, (fp), register FILE *fp)
 	  }
 	seek_to_target (fp);
       }
-    errno = save;
+    __set_errno (save);
   }
 
-  while (!ferror(fp) && !feof(fp) && nread <= buffer_offset)
+  while (!ferror (fp) && !feof (fp) && nread <= buffer_offset)
     {
       /* Try to fill the buffer.  */
-      int count = (*fp->__io_funcs.__read)(fp->__cookie, buffer, to_read);
+      int count = (*fp->__io_funcs.__read) (fp->__cookie, buffer, to_read);
       if (count == 0)
 	fp->__eof = 1;
       else if (count < 0)
@@ -460,7 +465,7 @@ DEFUN(fillbuf, (fp), register FILE *fp)
   if (fp->__buffer == NULL)
     /* There is no buffer, so return the character we read
        without all the buffer pointer diddling.  */
-    return (feof(fp) || ferror(fp)) ? EOF : c;
+    return (feof (fp) || ferror (fp)) ? EOF : c;
 
   /* Reset the buffer pointer to the beginning of the buffer
      (plus whatever offset we may have set above).  */
@@ -468,7 +473,7 @@ DEFUN(fillbuf, (fp), register FILE *fp)
 
  end:;
 
-  if (feof(fp) || ferror(fp))
+  if (feof (fp) || ferror (fp))
     {
       /* Set both end pointers to the beginning of the buffer so
 	 the next i/o call will force a call to __fillbf/__flshfp.  */
@@ -494,12 +499,12 @@ extern __io_write_fn __stdio_write;
 extern __io_seek_fn __stdio_seek;
 extern __io_close_fn __stdio_close;
 extern __io_fileno_fn __stdio_fileno;
-CONST __io_functions __default_io_functions =
+const __io_functions __default_io_functions =
   {
     __stdio_read, __stdio_write, __stdio_seek, __stdio_close, __stdio_fileno
   };
 
-CONST __room_functions __default_room_functions =
+const __room_functions __default_room_functions =
   {
     fillbuf, flushbuf
   };
@@ -508,18 +513,19 @@ CONST __room_functions __default_room_functions =
 /* Flush the buffer for FP and also write C if FLUSH_ONLY is nonzero.
    This is the function used by putc and fflush.  */
 int
-DEFUN(__flshfp, (fp, c),
-      register FILE *fp AND int c)
+__flshfp (fp, c)
+     register FILE *fp;
+     int c;
 {
   int flush_only = c == EOF;
 
-  if (!__validfp(fp) || !fp->__mode.__write)
+  if (!__validfp (fp) || !fp->__mode.__write)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
-  if (ferror(fp))
+  if (ferror (fp))
     return EOF;
 
   if (fp->__pushed_back)
@@ -530,7 +536,7 @@ DEFUN(__flshfp, (fp, c),
     }
 
   /* Make sure the stream is initialized (has functions and buffering).  */
-  init_stream(fp);
+  init_stream (fp);
 
   /* Do this early, so a `putc' on such a stream will never return success.  */
   if (fp->__room_funcs.__output == NULL)
@@ -589,14 +595,15 @@ DEFUN(__flshfp, (fp, c),
 /* Fill the buffer for FP and return the first character read.
    This is the function used by getc.  */
 int
-DEFUN(__fillbf, (fp), register FILE *fp)
+__fillbf (fp)
+     register FILE *fp;
 {
   register int c;
   fpos_t new_target;
 
-  if (!__validfp(fp) || !fp->__mode.__read)
+  if (!__validfp (fp) || !fp->__mode.__read)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
@@ -609,7 +616,7 @@ DEFUN(__fillbf, (fp), register FILE *fp)
     }
 
   /* Make sure the stream is initialized (has functions and buffering). */
-  init_stream(fp);
+  init_stream (fp);
 
   /* If we're trying to read the first character of a new
      line of input from an unbuffered or line buffered stream,
@@ -648,11 +655,11 @@ DEFUN(__fillbf, (fp), register FILE *fp)
 
   fp->__target = new_target;
 
-  if (ferror(fp))
+  if (ferror (fp))
     c = EOF;
   else if (fp->__room_funcs.__input != NULL)
     {
-      c = (*fp->__room_funcs.__input)(fp);
+      c = (*fp->__room_funcs.__input) (fp);
       if (fp->__buffer == NULL)
 	/* This is an unbuffered stream, so the target sync above
 	   won't do anything the next time around.  Instead, note that
@@ -673,13 +680,14 @@ DEFUN(__fillbf, (fp), register FILE *fp)
 
 /* Nuke a stream, but don't kill its link in the chain.  */
 void
-DEFUN(__invalidate, (stream), register FILE *stream)
+__invalidate (stream)
+     register FILE *stream;
 {
   /* Save its link.  */
   register FILE *next = stream->__next;
 
   /* Pulverize the fucker.  */
-  memset((PTR) stream, 0, sizeof(FILE));
+  memset((void *) stream, 0, sizeof(FILE));
 
   /* Restore the deceased's link.  */
   stream->__next = next;
diff --git a/stdio/memstream.c b/stdio/memstream.c
index 1a8b35081d..ab285f4624 100644
--- a/stdio/memstream.c
+++ b/stdio/memstream.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -30,8 +29,9 @@ struct memstream_info
 
 /* Enlarge STREAM's buffer.  */
 static void
-DEFUN(enlarge_buffer, (stream, c),
-      register FILE *stream AND int c)
+enlarge_buffer (stream, c)
+     register FILE *stream;
+     int c;
 {
   struct memstream_info *info = (struct memstream_info *) stream->__cookie;
   size_t need;
@@ -64,7 +64,7 @@ DEFUN(enlarge_buffer, (stream, c),
 	newsize = need;
       else
 	newsize = stream->__bufsize * 2;
-      newbuf = (char *) realloc ((PTR) stream->__buffer, newsize);
+      newbuf = (char *) realloc ((void *) stream->__buffer, newsize);
       if (newbuf == NULL)
 	{
 	  stream->__error = 1;
@@ -82,7 +82,7 @@ DEFUN(enlarge_buffer, (stream, c),
   if (need > 0)
     {
       /* We are extending the buffer after an fseek; zero-fill new space.  */
-      bzero (stream->__bufp, need);
+      memset (stream->__bufp, '\0', need);
       stream->__bufp += need;
     }
 
@@ -96,8 +96,10 @@ DEFUN(enlarge_buffer, (stream, c),
    There is no external state to munge.  */
 
 static int
-DEFUN(seek, (cookie, pos, whence),
-      PTR cookie AND fpos_t *pos AND int whence)
+seek (cookie, pos, whence)
+     void *cookie;
+     fpos_t *pos;
+     int whence;
 {
   switch (whence)
     {
@@ -118,7 +120,8 @@ DEFUN(seek, (cookie, pos, whence),
 }
 
 static int
-DEFUN(free_info, (cookie), PTR cookie)
+free_info (cookie)
+     void *cookie;
 {
 #if 0
   struct memstream_info *info = (struct memstream_info *) cookie;
@@ -138,15 +141,16 @@ DEFUN(free_info, (cookie), PTR cookie)
    necessary.  *BUFLOC and *SIZELOC are updated with the buffer's location
    and the number of characters written on fflush or fclose.  */
 FILE *
-DEFUN(open_memstream, (bufloc, sizeloc),
-      char **bufloc AND size_t *sizeloc)
+open_memstream (bufloc, sizeloc)
+     char **bufloc;
+     size_t *sizeloc;
 {
   FILE *stream;
   struct memstream_info *info;
 
   if (bufloc == NULL || sizeloc == NULL)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return NULL;
     }
 
@@ -159,14 +163,14 @@ DEFUN(open_memstream, (bufloc, sizeloc),
     {
       int save = errno;
       (void) fclose (stream);
-      errno = save;
+      __set_errno (save);
       return NULL;
     }
 
   stream->__room_funcs.__output = enlarge_buffer;
   stream->__io_funcs.__seek = seek;
   stream->__io_funcs.__close = free_info;
-  stream->__cookie = (PTR) info;
+  stream->__cookie = (void *) info;
   stream->__userbuf = 1;
 
   info->buffer = bufloc;
diff --git a/stdio/setvbuf.c b/stdio/setvbuf.c
index 6bfe829d1d..ba79959594 100644
--- a/stdio/setvbuf.c
+++ b/stdio/setvbuf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1993, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <stddef.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -27,12 +26,15 @@ Cambridge, MA 02139, USA.  */
    If MODE indicates full or line buffering, use BUF,
    a buffer of SIZE bytes; if BUF is NULL, malloc a buffer.  */
 int
-DEFUN(setvbuf, (stream, buf, mode, size),
-      FILE *stream AND char *buf AND int mode AND size_t size)
+setvbuf (stream, buf, mode, size)
+     FILE *stream;
+     char *buf;
+     int mode;
+     size_t size;
 {
-  if (!__validfp(stream))
+  if (!__validfp (stream))
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
@@ -40,7 +42,7 @@ DEFUN(setvbuf, (stream, buf, mode, size),
      but we allow it to replace an old buffer, flushing it first.  */
   if (stream->__buffer != NULL)
     {
-      (void) fflush(stream);
+      (void) fflush (stream);
       /* Free the old buffer if it was malloc'd.  */
       if (!stream->__userbuf)
 	free(stream->__buffer);
@@ -53,7 +55,7 @@ DEFUN(setvbuf, (stream, buf, mode, size),
   switch (mode)
     {
     default:
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     case _IONBF:	/* Unbuffered.  */
       stream->__buffer = NULL;
@@ -65,13 +67,13 @@ DEFUN(setvbuf, (stream, buf, mode, size),
     case _IOFBF:	/* Fully buffered.  */
       if (size == 0)
 	{
-	  errno = EINVAL;
+	  __set_errno (EINVAL);
 	  return EOF;
 	}
       stream->__bufsize = size;
       if (buf != NULL)
 	stream->__userbuf = 1;
-      else if ((buf = (char *) malloc(size)) == NULL)
+      else if ((buf = (char *) malloc (size)) == NULL)
 	return EOF;
       stream->__buffer = buf;
       break;
diff --git a/stdio/ungetc.c b/stdio/ungetc.c
index 7b22a200f6..834f5be6d4 100644
--- a/stdio/ungetc.c
+++ b/stdio/ungetc.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1993, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,18 +16,19 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdio.h>
 
 
 /* Push the character C back onto the input stream of STREAM.  */
 int
-DEFUN(ungetc, (c, stream), register int c AND register FILE *stream)
+ungetc (c, stream)
+     register int c;
+     register FILE *stream;
 {
-  if (!__validfp(stream) || !stream->__mode.__read)
+  if (!__validfp (stream) || !stream->__mode.__read)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return EOF;
     }
 
diff --git a/stdio/vsscanf.c b/stdio/vsscanf.c
index 6f027d5065..5e538291fa 100644
--- a/stdio/vsscanf.c
+++ b/stdio/vsscanf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
 Cambridge, MA 02139, USA.  */
 
-#include <ansidecl.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <stdio.h>
@@ -28,18 +27,20 @@ Cambridge, MA 02139, USA.  */
 /* Read formatted input from S according to the format
    string FORMAT, using the argument list in ARG.  */
 int
-DEFUN(__vsscanf, (s, format, arg),
-      CONST char *s AND CONST char *format AND va_list arg)
+__vsscanf (s, format, arg)
+     const char *s;
+     const char *format;
+     va_list arg;
 {
   FILE f;
 
   if (s == NULL)
     {
-      errno = EINVAL;
+      __set_errno (EINVAL);
       return -1;
     }
 
-  memset((PTR) &f, 0, sizeof(f));
+  memset ((void *) &f, 0, sizeof (f));
   f.__magic = _IOMAGIC;
   f.__mode.__read = 1;
   f.__bufp = f.__buffer = (char *) s;
@@ -51,7 +52,7 @@ DEFUN(__vsscanf, (s, format, arg),
   f.__room_funcs.__input = NULL;
   f.__seen = 1;
 
-  return __vfscanf(&f, format, arg);
+  return __vfscanf (&f, format, arg);
 }