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-rw-r--r--libio/clearerr.c3
-rw-r--r--libio/clearerr_u.c3
-rw-r--r--libio/feof.c3
-rw-r--r--libio/feof_u.c3
-rw-r--r--libio/ferror.c3
-rw-r--r--libio/ferror_u.c3
-rw-r--r--libio/filedoalloc.c3
-rw-r--r--libio/fileno.c3
-rw-r--r--libio/fputc.c4
-rw-r--r--libio/fputc_u.c4
-rw-r--r--libio/fputwc.c4
-rw-r--r--libio/fputwc_u.c4
-rw-r--r--libio/freopen.c7
-rw-r--r--libio/freopen64.c5
-rw-r--r--libio/fseek.c5
-rw-r--r--libio/fseeko.c5
-rw-r--r--libio/fseeko64.c5
-rw-r--r--libio/ftello.c3
-rw-r--r--libio/ftello64.c3
-rw-r--r--libio/fwide.c4
-rw-r--r--libio/genops.c187
-rw-r--r--libio/getc.c3
-rw-r--r--libio/getwc.c3
-rw-r--r--libio/iofclose.c3
-rw-r--r--libio/iofdopen.c4
-rw-r--r--libio/iofflush.c3
-rw-r--r--libio/iofflush_u.c3
-rw-r--r--libio/iofgetpos.c4
-rw-r--r--libio/iofgetpos64.c4
-rw-r--r--libio/iofgets.c5
-rw-r--r--libio/iofgets_u.c5
-rw-r--r--libio/iofgetws.c5
-rw-r--r--libio/iofgetws_u.c5
-rw-r--r--libio/iofopen64.c4
-rw-r--r--libio/iofopncook.c29
-rw-r--r--libio/iofputs.c4
-rw-r--r--libio/iofputs_u.c4
-rw-r--r--libio/iofputws.c4
-rw-r--r--libio/iofputws_u.c4
-rw-r--r--libio/iofread.c6
-rw-r--r--libio/iofread_u.c6
-rw-r--r--libio/iofsetpos.c4
-rw-r--r--libio/iofsetpos64.c4
-rw-r--r--libio/ioftell.c3
-rw-r--r--libio/iofwrite.c6
-rw-r--r--libio/iogetdelim.c6
-rw-r--r--libio/iogets.c5
-rw-r--r--libio/iopadn.c5
-rw-r--r--libio/iopopen.c12
-rw-r--r--libio/ioputs.c3
-rw-r--r--libio/ioseekoff.c12
-rw-r--r--libio/ioseekpos.c10
-rw-r--r--libio/iosetbuffer.c5
-rw-r--r--libio/iosetvbuf.c6
-rw-r--r--libio/ioungetc.c4
-rw-r--r--libio/ioungetwc.c4
-rw-r--r--libio/iovdprintf.c5
-rw-r--r--libio/iovsscanf.c5
-rw-r--r--libio/iowpadn.c5
-rw-r--r--libio/libc_fatal.c3
-rw-r--r--libio/memstream.c11
-rw-r--r--libio/oldfileops.c60
-rw-r--r--libio/oldiofclose.c3
-rw-r--r--libio/oldiofdopen.c4
-rw-r--r--libio/oldiofgetpos.c4
-rw-r--r--libio/oldiofgetpos64.c4
-rw-r--r--libio/oldiofopen.c4
-rw-r--r--libio/oldiofsetpos.c4
-rw-r--r--libio/oldiofsetpos64.c4
-rw-r--r--libio/oldiopopen.c12
-rw-r--r--libio/oldpclose.c3
-rw-r--r--libio/pclose.c3
-rw-r--r--libio/peekc.c3
-rw-r--r--libio/putc.c4
-rw-r--r--libio/putc_u.c4
-rw-r--r--libio/putchar.c3
-rw-r--r--libio/putchar_u.c3
-rw-r--r--libio/putwc.c4
-rw-r--r--libio/putwc_u.c4
-rw-r--r--libio/putwchar.c3
-rw-r--r--libio/putwchar_u.c3
-rw-r--r--libio/rewind.c3
-rw-r--r--libio/setbuf.c4
-rw-r--r--libio/setlinebuf.c3
-rw-r--r--libio/vasprintf.c5
-rw-r--r--libio/vscanf.c4
-rw-r--r--libio/vsnprintf.c4
-rw-r--r--libio/vswprintf.c4
-rw-r--r--libio/wfiledoalloc.c3
-rw-r--r--libio/wgenops.c89
-rw-r--r--libio/wmemstream.c11
91 files changed, 192 insertions, 564 deletions
diff --git a/libio/clearerr.c b/libio/clearerr.c
index 0a52e05ce3..1a610a6d05 100644
--- a/libio/clearerr.c
+++ b/libio/clearerr.c
@@ -19,8 +19,7 @@
 #include "stdio.h"
 
 void
-clearerr (fp)
-     FILE *fp;
+clearerr (FILE *fp)
 {
   CHECK_FILE (fp, /*nothing*/);
   _IO_flockfile (fp);
diff --git a/libio/clearerr_u.c b/libio/clearerr_u.c
index 73b5bc30cf..d0452b23f0 100644
--- a/libio/clearerr_u.c
+++ b/libio/clearerr_u.c
@@ -19,8 +19,7 @@
 #include "stdio.h"
 
 void
-clearerr_unlocked (fp)
-     FILE *fp;
+clearerr_unlocked (FILE *fp)
 {
   CHECK_FILE (fp, /*nothing*/);
   _IO_clearerr (fp);
diff --git a/libio/feof.c b/libio/feof.c
index c89182c288..febf1069f4 100644
--- a/libio/feof.c
+++ b/libio/feof.c
@@ -28,8 +28,7 @@
 #include "stdio.h"
 
 int
-_IO_feof (fp)
-     _IO_FILE* fp;
+_IO_feof (_IO_FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/feof_u.c b/libio/feof_u.c
index 4f552caa9d..a582093212 100644
--- a/libio/feof_u.c
+++ b/libio/feof_u.c
@@ -30,8 +30,7 @@
 #undef feof_unlocked
 
 int
-feof_unlocked (fp)
-     _IO_FILE* fp;
+feof_unlocked (_IO_FILE *fp)
 {
   CHECK_FILE (fp, EOF);
   return _IO_feof_unlocked (fp);
diff --git a/libio/ferror.c b/libio/ferror.c
index 3f73e761d1..90a3b69496 100644
--- a/libio/ferror.c
+++ b/libio/ferror.c
@@ -28,8 +28,7 @@
 #include "stdio.h"
 
 int
-_IO_ferror (fp)
-     _IO_FILE* fp;
+_IO_ferror (_IO_FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/ferror_u.c b/libio/ferror_u.c
index 08831a0205..f182cb2edd 100644
--- a/libio/ferror_u.c
+++ b/libio/ferror_u.c
@@ -30,8 +30,7 @@
 #undef ferror_unlocked
 
 int
-ferror_unlocked (fp)
-     _IO_FILE* fp;
+ferror_unlocked (_IO_FILE *fp)
 {
   CHECK_FILE (fp, EOF);
   return _IO_ferror_unlocked (fp);
diff --git a/libio/filedoalloc.c b/libio/filedoalloc.c
index 78aa3d5236..81d2da62b0 100644
--- a/libio/filedoalloc.c
+++ b/libio/filedoalloc.c
@@ -91,8 +91,7 @@ local_isatty (int fd)
  */
 
 int
-_IO_file_doallocate (fp)
-     _IO_FILE *fp;
+_IO_file_doallocate (_IO_FILE *fp)
 {
   _IO_size_t size;
   char *p;
diff --git a/libio/fileno.c b/libio/fileno.c
index c1b02d5f0d..fbf86aa3d3 100644
--- a/libio/fileno.c
+++ b/libio/fileno.c
@@ -28,8 +28,7 @@
 #include <stdio.h>
 
 int
-__fileno (fp)
-     _IO_FILE* fp;
+__fileno (_IO_FILE *fp)
 {
   CHECK_FILE (fp, EOF);
 
diff --git a/libio/fputc.c b/libio/fputc.c
index 1d52c8042c..bd271d0382 100644
--- a/libio/fputc.c
+++ b/libio/fputc.c
@@ -28,9 +28,7 @@
 #include "stdio.h"
 
 int
-fputc (c, fp)
-     int c;
-     _IO_FILE *fp;
+fputc (int c, _IO_FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/fputc_u.c b/libio/fputc_u.c
index c8c15cafd7..9b275f2722 100644
--- a/libio/fputc_u.c
+++ b/libio/fputc_u.c
@@ -30,9 +30,7 @@
 #undef fputc_unlocked
 
 int
-fputc_unlocked (c, fp)
-     int c;
-     _IO_FILE *fp;
+fputc_unlocked (int c, _IO_FILE *fp)
 {
   CHECK_FILE (fp, EOF);
   return _IO_putc_unlocked (c, fp);
diff --git a/libio/fputwc.c b/libio/fputwc.c
index 3781af0d41..48b8243f52 100644
--- a/libio/fputwc.c
+++ b/libio/fputwc.c
@@ -28,9 +28,7 @@
 #include <wchar.h>
 
 wint_t
-fputwc (wc, fp)
-     wchar_t wc;
-     _IO_FILE *fp;
+fputwc (wchar_t wc, _IO_FILE *fp)
 {
   wint_t result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/fputwc_u.c b/libio/fputwc_u.c
index 86e10590d2..5f247bb842 100644
--- a/libio/fputwc_u.c
+++ b/libio/fputwc_u.c
@@ -30,9 +30,7 @@
 #undef fputwc_unlocked
 
 wint_t
-fputwc_unlocked (wc, fp)
-     wchar_t wc;
-     _IO_FILE *fp;
+fputwc_unlocked (wchar_t wc, _IO_FILE *fp)
 {
   CHECK_FILE (fp, WEOF);
   if (_IO_fwide (fp, 1) < 0)
diff --git a/libio/freopen.c b/libio/freopen.c
index 035fa1fa79..30691cbcb5 100644
--- a/libio/freopen.c
+++ b/libio/freopen.c
@@ -35,11 +35,8 @@
 
 #include <kernel-features.h>
 
-FILE*
-freopen (filename, mode, fp)
-     const char* filename;
-     const char* mode;
-     FILE* fp;
+FILE *
+freopen (const char *filename, const char *mode, FILE *fp)
 {
   FILE *result;
   CHECK_FILE (fp, NULL);
diff --git a/libio/freopen64.c b/libio/freopen64.c
index fc6ccb12f0..cdb3ec1a02 100644
--- a/libio/freopen64.c
+++ b/libio/freopen64.c
@@ -35,10 +35,7 @@
 #include <kernel-features.h>
 
 FILE *
-freopen64 (filename, mode, fp)
-     const char* filename;
-     const char* mode;
-     FILE *fp;
+freopen64 (const char *filename, const char *mode, FILE *fp)
 {
   FILE *result;
   CHECK_FILE (fp, NULL);
diff --git a/libio/fseek.c b/libio/fseek.c
index 1ee89bac1e..c643ff3a86 100644
--- a/libio/fseek.c
+++ b/libio/fseek.c
@@ -28,10 +28,7 @@
 #include <stdio.h>
 
 int
-fseek (fp, offset, whence)
-     _IO_FILE* fp;
-     long int offset;
-     int whence;
+fseek (_IO_FILE *fp, long int offset, int whence)
 {
   int result;
   CHECK_FILE (fp, -1);
diff --git a/libio/fseeko.c b/libio/fseeko.c
index 304bb423df..fa1e2a940c 100644
--- a/libio/fseeko.c
+++ b/libio/fseeko.c
@@ -28,10 +28,7 @@
 #include "stdio.h"
 
 int
-fseeko (fp, offset, whence)
-     _IO_FILE* fp;
-     off_t offset;
-     int whence;
+fseeko (_IO_FILE *fp, off_t offset, int whence)
 {
   int result;
   CHECK_FILE (fp, -1);
diff --git a/libio/fseeko64.c b/libio/fseeko64.c
index 8dc57cb579..2d7b4d7df9 100644
--- a/libio/fseeko64.c
+++ b/libio/fseeko64.c
@@ -32,10 +32,7 @@
 #ifndef __OFF_T_MATCHES_OFF64_T
 
 int
-fseeko64 (fp, offset, whence)
-     _IO_FILE* fp;
-     __off64_t offset;
-     int whence;
+fseeko64 (_IO_FILE *fp, __off64_t offset, int whence)
 {
   int result;
   CHECK_FILE (fp, -1);
diff --git a/libio/ftello.c b/libio/ftello.c
index fc56f7c601..1c1c1a3a71 100644
--- a/libio/ftello.c
+++ b/libio/ftello.c
@@ -31,8 +31,7 @@
 
 
 off_t
-__ftello (fp)
-     _IO_FILE *fp;
+__ftello (_IO_FILE *fp)
 {
   _IO_off64_t pos;
   CHECK_FILE (fp, -1L);
diff --git a/libio/ftello64.c b/libio/ftello64.c
index 998fc15e25..0e6a0778fc 100644
--- a/libio/ftello64.c
+++ b/libio/ftello64.c
@@ -32,8 +32,7 @@
 #ifndef __OFF_T_MATCHES_OFF64_T
 
 off64_t
-ftello64 (fp)
-     _IO_FILE *fp;
+ftello64 (_IO_FILE *fp)
 {
   _IO_off64_t pos;
   CHECK_FILE (fp, -1L);
diff --git a/libio/fwide.c b/libio/fwide.c
index 1a93e74c2e..fee98bdbc6 100644
--- a/libio/fwide.c
+++ b/libio/fwide.c
@@ -29,9 +29,7 @@
 #include <wchar.h>
 
 int
-fwide (fp, mode)
-     _IO_FILE *fp;
-     int mode;
+fwide (_IO_FILE *fp, int mode)
 {
   int result;
 
diff --git a/libio/genops.c b/libio/genops.c
index 45c9d41c89..873bd77c3a 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -55,8 +55,7 @@ flush_cleanup (void *not_used)
 #endif
 
 void
-_IO_un_link (fp)
-     struct _IO_FILE_plus *fp;
+_IO_un_link (struct _IO_FILE_plus *fp)
 {
   if (fp->file._flags & _IO_LINKED)
     {
@@ -94,8 +93,7 @@ _IO_un_link (fp)
 libc_hidden_def (_IO_un_link)
 
 void
-_IO_link_in (fp)
-     struct _IO_FILE_plus *fp;
+_IO_link_in (struct _IO_FILE_plus *fp)
 {
   if ((fp->file._flags & _IO_LINKED) == 0)
     {
@@ -124,9 +122,7 @@ libc_hidden_def (_IO_link_in)
 _IO_ssize_t _IO_least_marker (_IO_FILE *fp, char *end_p);
 
 _IO_ssize_t
-_IO_least_marker (fp, end_p)
-     _IO_FILE *fp;
-     char *end_p;
+_IO_least_marker (_IO_FILE *fp, char *end_p)
 {
   _IO_ssize_t least_so_far = end_p - fp->_IO_read_base;
   struct _IO_marker *mark;
@@ -139,8 +135,7 @@ _IO_least_marker (fp, end_p)
 /* Switch current get area from backup buffer to (start of) main get area. */
 
 void
-_IO_switch_to_main_get_area (fp)
-     _IO_FILE *fp;
+_IO_switch_to_main_get_area (_IO_FILE *fp)
 {
   char *tmp;
   fp->_flags &= ~_IO_IN_BACKUP;
@@ -159,8 +154,7 @@ _IO_switch_to_main_get_area (fp)
 /* Switch current get area from main get area to (end of) backup area. */
 
 void
-_IO_switch_to_backup_area (fp)
-     _IO_FILE *fp;
+_IO_switch_to_backup_area (_IO_FILE *fp)
 {
   char *tmp;
   fp->_flags |= _IO_IN_BACKUP;
@@ -177,8 +171,7 @@ _IO_switch_to_backup_area (fp)
 }
 
 int
-_IO_switch_to_get_mode (fp)
-     _IO_FILE *fp;
+_IO_switch_to_get_mode (_IO_FILE *fp)
 {
   if (fp->_IO_write_ptr > fp->_IO_write_base)
     if (_IO_OVERFLOW (fp, EOF) == EOF)
@@ -201,8 +194,7 @@ _IO_switch_to_get_mode (fp)
 libc_hidden_def (_IO_switch_to_get_mode)
 
 void
-_IO_free_backup_area (fp)
-     _IO_FILE *fp;
+_IO_free_backup_area (_IO_FILE *fp)
 {
   if (_IO_in_backup (fp))
     _IO_switch_to_main_get_area (fp);  /* Just in case. */
@@ -215,8 +207,7 @@ libc_hidden_def (_IO_free_backup_area)
 
 #if 0
 int
-_IO_switch_to_put_mode (fp)
-     _IO_FILE *fp;
+_IO_switch_to_put_mode (_IO_FILE *fp)
 {
   fp->_IO_write_base = fp->_IO_read_ptr;
   fp->_IO_write_ptr = fp->_IO_read_ptr;
@@ -233,9 +224,7 @@ _IO_switch_to_put_mode (fp)
 #endif
 
 int
-__overflow (f, ch)
-     _IO_FILE *f;
-     int ch;
+__overflow (_IO_FILE *f, int ch)
 {
   /* This is a single-byte stream.  */
   if (f->_mode == 0)
@@ -325,8 +314,7 @@ save_for_backup (fp, end_p)
 }
 
 int
-__underflow (fp)
-     _IO_FILE *fp;
+__underflow (_IO_FILE *fp)
 {
 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
   if (_IO_vtable_offset (fp) == 0 && _IO_fwide (fp, -1) != -1)
@@ -358,8 +346,7 @@ __underflow (fp)
 libc_hidden_def (__underflow)
 
 int
-__uflow (fp)
-     _IO_FILE *fp;
+__uflow (_IO_FILE *fp)
 {
 #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T
   if (_IO_vtable_offset (fp) == 0 && _IO_fwide (fp, -1) != -1)
@@ -391,11 +378,7 @@ __uflow (fp)
 libc_hidden_def (__uflow)
 
 void
-_IO_setb (f, b, eb, a)
-     _IO_FILE *f;
-     char *b;
-     char *eb;
-     int a;
+_IO_setb (_IO_FILE *f, char *b, char *eb, int a)
 {
   if (f->_IO_buf_base && !(f->_flags & _IO_USER_BUF))
     free (f->_IO_buf_base);
@@ -409,8 +392,7 @@ _IO_setb (f, b, eb, a)
 libc_hidden_def (_IO_setb)
 
 void
-_IO_doallocbuf (fp)
-     _IO_FILE *fp;
+_IO_doallocbuf (_IO_FILE *fp)
 {
   if (fp->_IO_buf_base)
     return;
@@ -422,15 +404,13 @@ _IO_doallocbuf (fp)
 libc_hidden_def (_IO_doallocbuf)
 
 int
-_IO_default_underflow (fp)
-     _IO_FILE *fp;
+_IO_default_underflow (_IO_FILE *fp)
 {
   return EOF;
 }
 
 int
-_IO_default_uflow (fp)
-     _IO_FILE *fp;
+_IO_default_uflow (_IO_FILE *fp)
 {
   int ch = _IO_UNDERFLOW (fp);
   if (ch == EOF)
@@ -440,10 +420,7 @@ _IO_default_uflow (fp)
 libc_hidden_def (_IO_default_uflow)
 
 _IO_size_t
-_IO_default_xsputn (f, data, n)
-     _IO_FILE *f;
-     const void *data;
-     _IO_size_t n;
+_IO_default_xsputn (_IO_FILE *f, const void *data, _IO_size_t n)
 {
   const char *s = (char *) data;
   _IO_size_t more = n;
@@ -486,10 +463,7 @@ _IO_default_xsputn (f, data, n)
 libc_hidden_def (_IO_default_xsputn)
 
 _IO_size_t
-_IO_sgetn (fp, data, n)
-     _IO_FILE *fp;
-     void *data;
-     _IO_size_t n;
+_IO_sgetn (_IO_FILE *fp, void *data, _IO_size_t n)
 {
   /* FIXME handle putback buffer here! */
   return _IO_XSGETN (fp, data, n);
@@ -497,10 +471,7 @@ _IO_sgetn (fp, data, n)
 libc_hidden_def (_IO_sgetn)
 
 _IO_size_t
-_IO_default_xsgetn (fp, data, n)
-     _IO_FILE *fp;
-     void *data;
-     _IO_size_t n;
+_IO_default_xsgetn (_IO_FILE *fp, void *data, _IO_size_t n)
 {
   _IO_size_t more = n;
   char *s = (char*) data;
@@ -542,18 +513,14 @@ libc_hidden_def (_IO_default_xsgetn)
 #if 0
 /* Seems not to be needed. --drepper */
 int
-_IO_sync (fp)
-     _IO_FILE *fp;
+_IO_sync (_IO_FILE *fp)
 {
   return 0;
 }
 #endif
 
 _IO_FILE *
-_IO_default_setbuf (fp, p, len)
-     _IO_FILE *fp;
-     char *p;
-     _IO_ssize_t len;
+_IO_default_setbuf (_IO_FILE *fp, char *p, _IO_ssize_t len)
 {
     if (_IO_SYNC (fp) == EOF)
 	return NULL;
@@ -573,17 +540,13 @@ _IO_default_setbuf (fp, p, len)
 }
 
 _IO_off64_t
-_IO_default_seekpos (fp, pos, mode)
-     _IO_FILE *fp;
-     _IO_off64_t pos;
-     int mode;
+_IO_default_seekpos (_IO_FILE *fp, _IO_off64_t pos, int mode)
 {
   return _IO_SEEKOFF (fp, pos, 0, mode);
 }
 
 int
-_IO_default_doallocate (fp)
-     _IO_FILE *fp;
+_IO_default_doallocate (_IO_FILE *fp)
 {
   char *buf;
 
@@ -597,18 +560,14 @@ _IO_default_doallocate (fp)
 libc_hidden_def (_IO_default_doallocate)
 
 void
-_IO_init (fp, flags)
-     _IO_FILE *fp;
-     int flags;
+_IO_init (_IO_FILE *fp, int flags)
 {
   _IO_no_init (fp, flags, -1, NULL, NULL);
 }
 libc_hidden_def (_IO_init)
 
 void
-_IO_old_init (fp, flags)
-     _IO_FILE *fp;
-     int flags;
+_IO_old_init (_IO_FILE *fp, int flags)
 {
   fp->_flags = _IO_MAGIC|flags;
   fp->_flags2 = 0;
@@ -673,8 +632,7 @@ _IO_no_init (fp, flags, orientation, wd, jmp)
 }
 
 int
-_IO_default_sync (fp)
-     _IO_FILE *fp;
+_IO_default_sync (_IO_FILE *fp)
 {
   return 0;
 }
@@ -683,9 +641,7 @@ _IO_default_sync (fp)
    current implementation, this function can get called twice! */
 
 void
-_IO_default_finish (fp, dummy)
-     _IO_FILE *fp;
-     int dummy;
+_IO_default_finish (_IO_FILE *fp, int dummy)
 {
   struct _IO_marker *mark;
   if (fp->_IO_buf_base && !(fp->_flags & _IO_USER_BUF))
@@ -713,19 +669,13 @@ _IO_default_finish (fp, dummy)
 libc_hidden_def (_IO_default_finish)
 
 _IO_off64_t
-_IO_default_seekoff (fp, offset, dir, mode)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
-     int mode;
+_IO_default_seekoff (_IO_FILE *fp, _IO_off64_t offset, int dir, int mode)
 {
   return _IO_pos_BAD;
 }
 
 int
-_IO_sputbackc (fp, c)
-     _IO_FILE *fp;
-     int c;
+_IO_sputbackc (_IO_FILE *fp, int c)
 {
   int result;
 
@@ -746,8 +696,7 @@ _IO_sputbackc (fp, c)
 libc_hidden_def (_IO_sputbackc)
 
 int
-_IO_sungetc (fp)
-     _IO_FILE *fp;
+_IO_sungetc (_IO_FILE *fp)
 {
   int result;
 
@@ -769,9 +718,7 @@ _IO_sungetc (fp)
 /* Seems not to be needed.  */
 #if 0
 void
-_IO_set_column (fp, c)
-     _IO_FILE *fp;
-     int c;
+_IO_set_column (_IO_FILE *fp, int c)
 {
   if (c == -1)
     fp->_column = -1;
@@ -780,9 +727,7 @@ _IO_set_column (fp, c)
 }
 #else
 int
-_IO_set_column (fp, i)
-     _IO_FILE *fp;
-     int i;
+_IO_set_column (_IO_FILE *fp, int i)
 {
   fp->_cur_column = i + 1;
   return 0;
@@ -792,10 +737,7 @@ _IO_set_column (fp, i)
 
 
 unsigned
-_IO_adjust_column (start, line, count)
-     unsigned start;
-     const char *line;
-     int count;
+_IO_adjust_column (unsigned start, const char *line, int count)
 {
   const char *ptr = line + count;
   while (ptr > line)
@@ -808,8 +750,7 @@ libc_hidden_def (_IO_adjust_column)
 #if 0
 /* Seems not to be needed. --drepper */
 int
-_IO_get_column (fp)
-     _IO_FILE *fp;
+_IO_get_column (_IO_FILE *fp)
 {
   if (fp->_cur_column)
     return _IO_adjust_column (fp->_cur_column - 1,
@@ -1029,9 +970,7 @@ _IO_cleanup (void)
 
 
 void
-_IO_init_marker (marker, fp)
-     struct _IO_marker *marker;
-     _IO_FILE *fp;
+_IO_init_marker (struct _IO_marker *marker, _IO_FILE *fp)
 {
   marker->_sbuf = fp;
   if (_IO_in_put_mode (fp))
@@ -1047,8 +986,7 @@ _IO_init_marker (marker, fp)
 }
 
 void
-_IO_remove_marker (marker)
-     struct _IO_marker *marker;
+_IO_remove_marker (struct _IO_marker *marker)
 {
   /* Unlink from sb's chain. */
   struct _IO_marker **ptr = &marker->_sbuf->_markers;
@@ -1071,17 +1009,14 @@ _IO_remove_marker (marker)
 #define BAD_DELTA EOF
 
 int
-_IO_marker_difference (mark1, mark2)
-     struct _IO_marker *mark1;
-     struct _IO_marker *mark2;
+_IO_marker_difference (struct _IO_marker *mark1, struct _IO_marker *mark2)
 {
   return mark1->_pos - mark2->_pos;
 }
 
 /* Return difference between MARK and current position of MARK's stream. */
 int
-_IO_marker_delta (mark)
-     struct _IO_marker *mark;
+_IO_marker_delta (struct _IO_marker *mark)
 {
   int cur_pos;
   if (mark->_sbuf == NULL)
@@ -1094,10 +1029,7 @@ _IO_marker_delta (mark)
 }
 
 int
-_IO_seekmark (fp, mark, delta)
-     _IO_FILE *fp;
-     struct _IO_marker *mark;
-     int delta;
+_IO_seekmark (_IO_FILE *fp, struct _IO_marker *mark, int delta)
 {
   if (mark->_sbuf != fp)
     return EOF;
@@ -1117,8 +1049,7 @@ _IO_seekmark (fp, mark, delta)
 }
 
 void
-_IO_unsave_markers (fp)
-     _IO_FILE *fp;
+_IO_unsave_markers (_IO_FILE *fp)
 {
   struct _IO_marker *mark = fp->_markers;
   if (mark)
@@ -1148,9 +1079,7 @@ libc_hidden_def (_IO_unsave_markers)
 #if 0
 /* Seems not to be needed. --drepper */
 int
-_IO_nobackup_pbackfail (fp, c)
-     _IO_FILE *fp;
-     int c;
+_IO_nobackup_pbackfail (_IO_FILE *fp, int c)
 {
   if (fp->_IO_read_ptr > fp->_IO_read_base)
 	fp->_IO_read_ptr--;
@@ -1161,9 +1090,7 @@ _IO_nobackup_pbackfail (fp, c)
 #endif
 
 int
-_IO_default_pbackfail (fp, c)
-     _IO_FILE *fp;
-     int c;
+_IO_default_pbackfail (_IO_FILE *fp, int c)
 {
   if (fp->_IO_read_ptr > fp->_IO_read_base && !_IO_in_backup (fp)
       && (unsigned char) fp->_IO_read_ptr[-1] == c)
@@ -1220,51 +1147,37 @@ _IO_default_pbackfail (fp, c)
 libc_hidden_def (_IO_default_pbackfail)
 
 _IO_off64_t
-_IO_default_seek (fp, offset, dir)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
+_IO_default_seek (_IO_FILE *fp, _IO_off64_t offset, int dir)
 {
   return _IO_pos_BAD;
 }
 
 int
-_IO_default_stat (fp, st)
-     _IO_FILE *fp;
-     void* st;
+_IO_default_stat (_IO_FILE *fp, void *st)
 {
   return EOF;
 }
 
 _IO_ssize_t
-_IO_default_read (fp, data, n)
-     _IO_FILE* fp;
-     void *data;
-     _IO_ssize_t n;
+_IO_default_read (_IO_FILE *fp, void *data, _IO_ssize_t n)
 {
   return -1;
 }
 
 _IO_ssize_t
-_IO_default_write (fp, data, n)
-     _IO_FILE *fp;
-     const void *data;
-     _IO_ssize_t n;
+_IO_default_write (_IO_FILE *fp, const void *data, _IO_ssize_t n)
 {
   return 0;
 }
 
 int
-_IO_default_showmanyc (fp)
-     _IO_FILE *fp;
+_IO_default_showmanyc (_IO_FILE *fp)
 {
   return -1;
 }
 
 void
-_IO_default_imbue (fp, locale)
-     _IO_FILE *fp;
-     void *locale;
+_IO_default_imbue (_IO_FILE *fp, void *locale)
 {
 }
 
@@ -1283,16 +1196,14 @@ _IO_iter_end (void)
 libc_hidden_def (_IO_iter_end)
 
 _IO_ITER
-_IO_iter_next(iter)
-    _IO_ITER iter;
+_IO_iter_next (_IO_ITER iter)
 {
   return iter->_chain;
 }
 libc_hidden_def (_IO_iter_next)
 
 _IO_FILE *
-_IO_iter_file(iter)
-    _IO_ITER iter;
+_IO_iter_file (_IO_ITER iter)
 {
   return iter;
 }
diff --git a/libio/getc.c b/libio/getc.c
index 270c47a660..d19a229cbd 100644
--- a/libio/getc.c
+++ b/libio/getc.c
@@ -30,8 +30,7 @@
 #undef _IO_getc
 
 int
-_IO_getc (fp)
-     FILE *fp;
+_IO_getc (FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/getwc.c b/libio/getwc.c
index a6e8fd7e97..7b64533cfb 100644
--- a/libio/getwc.c
+++ b/libio/getwc.c
@@ -31,8 +31,7 @@
 #undef _IO_getwc
 
 wint_t
-_IO_getwc (fp)
-     FILE *fp;
+_IO_getwc (FILE *fp)
 {
   wint_t result;
   CHECK_FILE (fp, WEOF);
diff --git a/libio/iofclose.c b/libio/iofclose.c
index 3281e3f41b..4e079ed1cd 100644
--- a/libio/iofclose.c
+++ b/libio/iofclose.c
@@ -35,8 +35,7 @@
 #endif
 
 int
-_IO_new_fclose (fp)
-     _IO_FILE *fp;
+_IO_new_fclose (_IO_FILE *fp)
 {
   int status;
 
diff --git a/libio/iofdopen.c b/libio/iofdopen.c
index e7d84ae983..e01524bb1f 100644
--- a/libio/iofdopen.c
+++ b/libio/iofdopen.c
@@ -41,9 +41,7 @@
 #endif
 
 _IO_FILE *
-_IO_new_fdopen (fd, mode)
-     int fd;
-     const char *mode;
+_IO_new_fdopen (int fd, const char *mode)
 {
   int read_write;
   struct locked_FILE
diff --git a/libio/iofflush.c b/libio/iofflush.c
index 236e145a91..37a0f9c496 100644
--- a/libio/iofflush.c
+++ b/libio/iofflush.c
@@ -28,8 +28,7 @@
 #include <stdio.h>
 
 int
-_IO_fflush (fp)
-     _IO_FILE *fp;
+_IO_fflush (_IO_FILE *fp)
 {
   if (fp == NULL)
     return _IO_flush_all ();
diff --git a/libio/iofflush_u.c b/libio/iofflush_u.c
index e00447991d..ee76373f61 100644
--- a/libio/iofflush_u.c
+++ b/libio/iofflush_u.c
@@ -28,8 +28,7 @@
 #include <stdio.h>
 
 int
-__fflush_unlocked (fp)
-     _IO_FILE *fp;
+__fflush_unlocked (_IO_FILE *fp)
 {
   if (fp == NULL)
     return _IO_flush_all ();
diff --git a/libio/iofgetpos.c b/libio/iofgetpos.c
index 8f900d517a..9b7eec9cbd 100644
--- a/libio/iofgetpos.c
+++ b/libio/iofgetpos.c
@@ -40,9 +40,7 @@
 #include <shlib-compat.h>
 
 int
-_IO_new_fgetpos (fp, posp)
-     _IO_FILE *fp;
-     _IO_fpos_t *posp;
+_IO_new_fgetpos (_IO_FILE *fp, _IO_fpos_t *posp)
 {
   _IO_off64_t pos;
   int result = 0;
diff --git a/libio/iofgetpos64.c b/libio/iofgetpos64.c
index 71b0d6492c..c9e7bb06a0 100644
--- a/libio/iofgetpos64.c
+++ b/libio/iofgetpos64.c
@@ -31,9 +31,7 @@
 #ifndef __OFF_T_MATCHES_OFF64_T
 
 int
-_IO_new_fgetpos64 (fp, posp)
-     _IO_FILE *fp;
-     _IO_fpos64_t *posp;
+_IO_new_fgetpos64 (_IO_FILE *fp, _IO_fpos64_t *posp)
 {
   _IO_off64_t pos;
   int result = 0;
diff --git a/libio/iofgets.c b/libio/iofgets.c
index f001b623f6..5fcb8763ca 100644
--- a/libio/iofgets.c
+++ b/libio/iofgets.c
@@ -28,10 +28,7 @@
 #include <stdio.h>
 
 char *
-_IO_fgets (buf, n, fp)
-     char *buf;
-     int n;
-     _IO_FILE *fp;
+_IO_fgets (char *buf, int n, _IO_FILE *fp)
 {
   _IO_size_t count;
   char *result;
diff --git a/libio/iofgets_u.c b/libio/iofgets_u.c
index f6acf646d7..8bbb3d3e31 100644
--- a/libio/iofgets_u.c
+++ b/libio/iofgets_u.c
@@ -28,10 +28,7 @@
 #include <stdio.h>
 
 char *
-__fgets_unlocked (buf, n, fp)
-     char *buf;
-     int n;
-     _IO_FILE *fp;
+__fgets_unlocked (char *buf, int n, _IO_FILE *fp)
 {
   _IO_size_t count;
   char *result;
diff --git a/libio/iofgetws.c b/libio/iofgetws.c
index a18fb3d5c0..9ead37a29f 100644
--- a/libio/iofgetws.c
+++ b/libio/iofgetws.c
@@ -28,10 +28,7 @@
 #include <wchar.h>
 
 wchar_t *
-fgetws (buf, n, fp)
-     wchar_t *buf;
-     int n;
-     _IO_FILE *fp;
+fgetws (wchar_t *buf, int n, _IO_FILE *fp)
 {
   _IO_size_t count;
   wchar_t *result;
diff --git a/libio/iofgetws_u.c b/libio/iofgetws_u.c
index 6717978958..124d58752a 100644
--- a/libio/iofgetws_u.c
+++ b/libio/iofgetws_u.c
@@ -28,10 +28,7 @@
 #include <wchar.h>
 
 wchar_t *
-fgetws_unlocked (buf, n, fp)
-     wchar_t *buf;
-     int n;
-     _IO_FILE *fp;
+fgetws_unlocked (wchar_t *buf, int n, _IO_FILE *fp)
 {
   _IO_size_t count;
   wchar_t *result;
diff --git a/libio/iofopen64.c b/libio/iofopen64.c
index 89f13aa9ae..f60234595e 100644
--- a/libio/iofopen64.c
+++ b/libio/iofopen64.c
@@ -32,9 +32,7 @@
 #if !defined _LIBC || (defined O_LARGEFILE && O_LARGEFILE != 0)
 
 _IO_FILE *
-_IO_fopen64 (filename, mode)
-     const char *filename;
-     const char *mode;
+_IO_fopen64 (const char *filename, const char *mode)
 {
   return __fopen_internal (filename, mode, 0);
 }
diff --git a/libio/iofopncook.c b/libio/iofopncook.c
index 978a7fa345..b16a263e8a 100644
--- a/libio/iofopncook.c
+++ b/libio/iofopncook.c
@@ -40,10 +40,7 @@ static _IO_off64_t _IO_cookie_seekoff (_IO_FILE *fp, _IO_off64_t offset,
 static int _IO_cookie_close (_IO_FILE* fp);
 
 static _IO_ssize_t
-_IO_cookie_read (fp, buf, size)
-     _IO_FILE *fp;
-     void *buf;
-     _IO_ssize_t size;
+_IO_cookie_read (_IO_FILE *fp, void *buf, _IO_ssize_t size)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
@@ -54,10 +51,7 @@ _IO_cookie_read (fp, buf, size)
 }
 
 static _IO_ssize_t
-_IO_cookie_write (fp, buf, size)
-     _IO_FILE *fp;
-     const void *buf;
-     _IO_ssize_t size;
+_IO_cookie_write (_IO_FILE *fp, const void *buf, _IO_ssize_t size)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
@@ -75,10 +69,7 @@ _IO_cookie_write (fp, buf, size)
 }
 
 static _IO_off64_t
-_IO_cookie_seek (fp, offset, dir)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
+_IO_cookie_seek (_IO_FILE *fp, _IO_off64_t offset, int dir)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
@@ -90,8 +81,7 @@ _IO_cookie_seek (fp, offset, dir)
 }
 
 static int
-_IO_cookie_close (fp)
-     _IO_FILE *fp;
+_IO_cookie_close (_IO_FILE *fp)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
 
@@ -103,11 +93,7 @@ _IO_cookie_close (fp)
 
 
 static _IO_off64_t
-_IO_cookie_seekoff (fp, offset, dir, mode)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
-     int mode;
+_IO_cookie_seekoff (_IO_FILE *fp, _IO_off64_t offset, int dir, int mode)
 {
   /* We must force the fileops code to always use seek to determine
      the position.  */
@@ -218,10 +204,7 @@ _IO_FILE * _IO_old_fopencookie (void *cookie, const char *mode,
 
 static _IO_off64_t
 attribute_compat_text_section
-_IO_old_cookie_seek (fp, offset, dir)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
+_IO_old_cookie_seek (_IO_FILE *fp, _IO_off64_t offset, int dir)
 {
   struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp;
   int (*seek) (_IO_FILE *, _IO_off_t, int);
diff --git a/libio/iofputs.c b/libio/iofputs.c
index d1e34e40b4..504d0e92b8 100644
--- a/libio/iofputs.c
+++ b/libio/iofputs.c
@@ -28,9 +28,7 @@
 #include <string.h>
 
 int
-_IO_fputs (str, fp)
-      const char *str;
-      _IO_FILE *fp;
+_IO_fputs (const char *str, _IO_FILE *fp)
 {
   _IO_size_t len = strlen (str);
   int result = EOF;
diff --git a/libio/iofputs_u.c b/libio/iofputs_u.c
index f823686d5b..4dc3e3c639 100644
--- a/libio/iofputs_u.c
+++ b/libio/iofputs_u.c
@@ -29,9 +29,7 @@
 #include <string.h>
 
 int
-__fputs_unlocked (str, fp)
-      const char *str;
-      _IO_FILE *fp;
+__fputs_unlocked (const char *str, _IO_FILE *fp)
 {
   _IO_size_t len = strlen (str);
   int result = EOF;
diff --git a/libio/iofputws.c b/libio/iofputws.c
index 4c59a3aa52..b3b7f991c6 100644
--- a/libio/iofputws.c
+++ b/libio/iofputws.c
@@ -28,9 +28,7 @@
 #include <wchar.h>
 
 int
-fputws (str, fp)
-      const wchar_t *str;
-      _IO_FILE *fp;
+fputws (const wchar_t *str, _IO_FILE *fp)
 {
   _IO_size_t len = __wcslen (str);
   int result = EOF;
diff --git a/libio/iofputws_u.c b/libio/iofputws_u.c
index 092aeb4c01..aa7447b0ed 100644
--- a/libio/iofputws_u.c
+++ b/libio/iofputws_u.c
@@ -29,9 +29,7 @@
 #include <wchar.h>
 
 int
-fputws_unlocked (str, fp)
-      const wchar_t *str;
-      _IO_FILE *fp;
+fputws_unlocked (const wchar_t *str, _IO_FILE *fp)
 {
   _IO_size_t len = __wcslen (str);
   int result = EOF;
diff --git a/libio/iofread.c b/libio/iofread.c
index 817df76d9f..eb69b05736 100644
--- a/libio/iofread.c
+++ b/libio/iofread.c
@@ -27,11 +27,7 @@
 #include "libioP.h"
 
 _IO_size_t
-_IO_fread (buf, size, count, fp)
-     void *buf;
-     _IO_size_t size;
-     _IO_size_t count;
-     _IO_FILE *fp;
+_IO_fread (void *buf, _IO_size_t size, _IO_size_t count, _IO_FILE *fp)
 {
   _IO_size_t bytes_requested = size * count;
   _IO_size_t bytes_read;
diff --git a/libio/iofread_u.c b/libio/iofread_u.c
index ba0bc3e39c..997b71431d 100644
--- a/libio/iofread_u.c
+++ b/libio/iofread_u.c
@@ -30,11 +30,7 @@
 #undef fread_unlocked
 
 _IO_size_t
-__fread_unlocked (buf, size, count, fp)
-     void *buf;
-     _IO_size_t size;
-     _IO_size_t count;
-     _IO_FILE *fp;
+__fread_unlocked (void *buf, _IO_size_t size, _IO_size_t count, _IO_FILE *fp)
 {
   _IO_size_t bytes_requested = size * count;
   _IO_size_t bytes_read;
diff --git a/libio/iofsetpos.c b/libio/iofsetpos.c
index 21cc2f73e7..ab031d1e11 100644
--- a/libio/iofsetpos.c
+++ b/libio/iofsetpos.c
@@ -39,9 +39,7 @@
 #include <shlib-compat.h>
 
 int
-_IO_new_fsetpos (fp, posp)
-     _IO_FILE *fp;
-     const _IO_fpos_t *posp;
+_IO_new_fsetpos (_IO_FILE *fp, const _IO_fpos_t *posp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/iofsetpos64.c b/libio/iofsetpos64.c
index 95ade6e701..d0e7cfbf71 100644
--- a/libio/iofsetpos64.c
+++ b/libio/iofsetpos64.c
@@ -31,9 +31,7 @@
 #ifndef __OFF_T_MATCHES_OFF64_T
 
 int
-_IO_new_fsetpos64 (fp, posp)
-     _IO_FILE *fp;
-     const _IO_fpos64_t *posp;
+_IO_new_fsetpos64 (_IO_FILE *fp, const _IO_fpos64_t *posp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/ioftell.c b/libio/ioftell.c
index 5b7fec6ae4..cf5b7134f4 100644
--- a/libio/ioftell.c
+++ b/libio/ioftell.c
@@ -30,8 +30,7 @@
 /* ANSI explicily requires setting errno to a positive value on failure. */
 
 long int
-_IO_ftell (fp)
-     _IO_FILE *fp;
+_IO_ftell (_IO_FILE *fp)
 {
   _IO_off64_t pos;
   CHECK_FILE (fp, -1L);
diff --git a/libio/iofwrite.c b/libio/iofwrite.c
index 891314693a..48ad4bcc71 100644
--- a/libio/iofwrite.c
+++ b/libio/iofwrite.c
@@ -27,11 +27,7 @@
 #include "libioP.h"
 
 _IO_size_t
-_IO_fwrite (buf, size, count, fp)
-     const void *buf;
-     _IO_size_t size;
-     _IO_size_t count;
-     _IO_FILE *fp;
+_IO_fwrite (const void *buf, _IO_size_t size, _IO_size_t count, _IO_FILE *fp)
 {
   _IO_size_t request = size * count;
   _IO_size_t written = 0;
diff --git a/libio/iogetdelim.c b/libio/iogetdelim.c
index ac93044bb5..acc71ccdd6 100644
--- a/libio/iogetdelim.c
+++ b/libio/iogetdelim.c
@@ -37,11 +37,7 @@
    null terminator), or -1 on error or EOF.  */
 
 _IO_ssize_t
-_IO_getdelim (lineptr, n, delimiter, fp)
-     char **lineptr;
-     _IO_size_t *n;
-     int delimiter;
-     _IO_FILE *fp;
+_IO_getdelim (char **lineptr, _IO_size_t *n, int delimiter, _IO_FILE *fp)
 {
   _IO_ssize_t result;
   _IO_ssize_t cur_len = 0;
diff --git a/libio/iogets.c b/libio/iogets.c
index 9851e7744c..ead0cb2f6f 100644
--- a/libio/iogets.c
+++ b/libio/iogets.c
@@ -27,9 +27,8 @@
 #include "libioP.h"
 #include <limits.h>
 
-char*
-_IO_gets (buf)
-     char *buf;
+char *
+_IO_gets (char *buf)
 {
   _IO_size_t count;
   int ch;
diff --git a/libio/iopadn.c b/libio/iopadn.c
index 304ce0877c..b0acd8eb4a 100644
--- a/libio/iopadn.c
+++ b/libio/iopadn.c
@@ -33,10 +33,7 @@ static char const zeroes[PADSIZE] =
 {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'};
 
 _IO_ssize_t
-_IO_padn (fp, pad, count)
-      _IO_FILE *fp;
-      int pad;
-      _IO_ssize_t count;
+_IO_padn (_IO_FILE *fp, int pad, _IO_ssize_t count)
 {
   char padbuf[PADSIZE];
   const char *padptr;
diff --git a/libio/iopopen.c b/libio/iopopen.c
index 53da776d86..bb6e996066 100644
--- a/libio/iopopen.c
+++ b/libio/iopopen.c
@@ -106,10 +106,7 @@ unlock (void *not_used)
 #endif
 
 _IO_FILE *
-_IO_new_proc_open (fp, command, mode)
-     _IO_FILE *fp;
-     const char *command;
-     const char *mode;
+_IO_new_proc_open (_IO_FILE *fp, const char *command, const char *mode)
 {
   int read_or_write;
   int parent_end, child_end;
@@ -272,9 +269,7 @@ _IO_new_proc_open (fp, command, mode)
 }
 
 _IO_FILE *
-_IO_new_popen (command, mode)
-     const char *command;
-     const char *mode;
+_IO_new_popen (const char *command, const char *mode)
 {
   struct locked_FILE
   {
@@ -306,8 +301,7 @@ _IO_new_popen (command, mode)
 }
 
 int
-_IO_new_proc_close (fp)
-     _IO_FILE *fp;
+_IO_new_proc_close (_IO_FILE *fp)
 {
   /* This is not name-space clean. FIXME! */
   int wstatus;
diff --git a/libio/ioputs.c b/libio/ioputs.c
index 39b4bb7218..c05e40e482 100644
--- a/libio/ioputs.c
+++ b/libio/ioputs.c
@@ -29,8 +29,7 @@
 #include <limits.h>
 
 int
-_IO_puts (str)
-     const char *str;
+_IO_puts (const char *str)
 {
   int result = EOF;
   _IO_size_t len = strlen (str);
diff --git a/libio/ioseekoff.c b/libio/ioseekoff.c
index 11765cfb76..ef5c7d94d5 100644
--- a/libio/ioseekoff.c
+++ b/libio/ioseekoff.c
@@ -35,11 +35,7 @@ extern int errno;
 #endif
 
 _IO_off64_t
-_IO_seekoff_unlocked (fp, offset, dir, mode)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
-     int mode;
+_IO_seekoff_unlocked (_IO_FILE *fp, _IO_off64_t offset, int dir, int mode)
 {
   if (dir != _IO_seek_cur && dir != _IO_seek_set && dir != _IO_seek_end)
     {
@@ -71,11 +67,7 @@ _IO_seekoff_unlocked (fp, offset, dir, mode)
 
 
 _IO_off64_t
-_IO_seekoff (fp, offset, dir, mode)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
-     int mode;
+_IO_seekoff (_IO_FILE *fp, _IO_off64_t offset, int dir, int mode)
 {
   _IO_off64_t retval;
 
diff --git a/libio/ioseekpos.c b/libio/ioseekpos.c
index a7652a1dde..2616985d48 100644
--- a/libio/ioseekpos.c
+++ b/libio/ioseekpos.c
@@ -27,10 +27,7 @@
 #include <libioP.h>
 
 _IO_off64_t
-_IO_seekpos_unlocked (fp, pos, mode)
-     _IO_FILE *fp;
-     _IO_off64_t pos;
-     int mode;
+_IO_seekpos_unlocked (_IO_FILE *fp, _IO_off64_t pos, int mode)
 {
   /* If we have a backup buffer, get rid of it, since the __seekoff
      callback may not know to do the right thing about it.
@@ -51,10 +48,7 @@ _IO_seekpos_unlocked (fp, pos, mode)
 
 
 _IO_off64_t
-_IO_seekpos (fp, pos, mode)
-     _IO_FILE *fp;
-     _IO_off64_t pos;
-     int mode;
+_IO_seekpos (_IO_FILE *fp, _IO_off64_t pos, int mode)
 {
   _IO_off64_t retval;
 
diff --git a/libio/iosetbuffer.c b/libio/iosetbuffer.c
index 0a41c10123..4e10dceae1 100644
--- a/libio/iosetbuffer.c
+++ b/libio/iosetbuffer.c
@@ -27,10 +27,7 @@
 #include "libioP.h"
 
 void
-_IO_setbuffer (fp, buf, size)
-     _IO_FILE *fp;
-     char *buf;
-     _IO_size_t size;
+_IO_setbuffer (_IO_FILE *fp, char *buf, _IO_size_t size)
 {
   CHECK_FILE (fp, );
   _IO_acquire_lock (fp);
diff --git a/libio/iosetvbuf.c b/libio/iosetvbuf.c
index 71a64f8fae..5e3dd9458e 100644
--- a/libio/iosetvbuf.c
+++ b/libio/iosetvbuf.c
@@ -31,11 +31,7 @@
 #define _IONBF 2 /* No buffering. */
 
 int
-_IO_setvbuf (fp, buf, mode, size)
-     _IO_FILE *fp;
-     char *buf;
-     int mode;
-     _IO_size_t size;
+_IO_setvbuf (_IO_FILE *fp, char *buf, int mode, _IO_size_t size)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/ioungetc.c b/libio/ioungetc.c
index 8553399131..7f1fdafb32 100644
--- a/libio/ioungetc.c
+++ b/libio/ioungetc.c
@@ -27,9 +27,7 @@
 #include "libioP.h"
 
 int
-_IO_ungetc (c, fp)
-     int c;
-     _IO_FILE *fp;
+_IO_ungetc (int c, _IO_FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/ioungetwc.c b/libio/ioungetwc.c
index afc5ce4197..25fe67e425 100644
--- a/libio/ioungetwc.c
+++ b/libio/ioungetwc.c
@@ -28,9 +28,7 @@
 #include <wchar.h>
 
 wint_t
-ungetwc (c, fp)
-     wint_t c;
-     _IO_FILE *fp;
+ungetwc (wint_t c, _IO_FILE *fp)
 {
   wint_t result;
   CHECK_FILE (fp, WEOF);
diff --git a/libio/iovdprintf.c b/libio/iovdprintf.c
index 116912a1af..f49ff5f931 100644
--- a/libio/iovdprintf.c
+++ b/libio/iovdprintf.c
@@ -28,10 +28,7 @@
 #include <stdio_ext.h>
 
 int
-_IO_vdprintf (d, format, arg)
-     int d;
-     const char *format;
-     _IO_va_list arg;
+_IO_vdprintf (int d, const char *format, _IO_va_list arg)
 {
   struct _IO_FILE_plus tmpfil;
   struct _IO_wide_data wd;
diff --git a/libio/iovsscanf.c b/libio/iovsscanf.c
index c4fbd1b610..be8346e213 100644
--- a/libio/iovsscanf.c
+++ b/libio/iovsscanf.c
@@ -28,10 +28,7 @@
 #include "strfile.h"
 
 int
-_IO_vsscanf (string, format, args)
-     const char *string;
-     const char *format;
-     _IO_va_list args;
+_IO_vsscanf (const char *string, const char *format, _IO_va_list args)
 {
   int ret;
   _IO_strfile sf;
diff --git a/libio/iowpadn.c b/libio/iowpadn.c
index e65a6492a6..affbd32bd0 100644
--- a/libio/iowpadn.c
+++ b/libio/iowpadn.c
@@ -39,10 +39,7 @@ static wchar_t const zeroes[PADSIZE] =
 };
 
 _IO_ssize_t
-_IO_wpadn (fp, pad, count)
-      _IO_FILE *fp;
-      wint_t pad;
-      _IO_ssize_t count;
+_IO_wpadn (_IO_FILE *fp, wint_t pad, _IO_ssize_t count)
 {
   wchar_t padbuf[PADSIZE];
   const wchar_t *padptr;
diff --git a/libio/libc_fatal.c b/libio/libc_fatal.c
index 096cd28500..677acc1898 100644
--- a/libio/libc_fatal.c
+++ b/libio/libc_fatal.c
@@ -19,8 +19,7 @@
 
 /* Abort with an error message.  */
 void
-__libc_fatal (message)
-     const char *message;
+__libc_fatal (const char *message)
 {
   /* This function should write MESSAGE out in the most reliable way.
      It is called in situations like internal stdio lossage.  */
diff --git a/libio/memstream.c b/libio/memstream.c
index 84742d1236..58a3484807 100644
--- a/libio/memstream.c
+++ b/libio/memstream.c
@@ -61,9 +61,7 @@ static const struct _IO_jump_t _IO_mem_jumps =
    necessary.  *BUFLOC and *SIZELOC are updated with the buffer's location
    and the number of characters written on fflush or fclose.  */
 _IO_FILE *
-__open_memstream (bufloc, sizeloc)
-     char **bufloc;
-     _IO_size_t *sizeloc;
+__open_memstream (char **bufloc, _IO_size_t *sizeloc)
 {
   struct locked_FILE
   {
@@ -105,8 +103,7 @@ weak_alias (__open_memstream, open_memstream)
 
 
 static int
-_IO_mem_sync (fp)
-     _IO_FILE* fp;
+_IO_mem_sync (_IO_FILE *fp)
 {
   struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
 
@@ -126,9 +123,7 @@ _IO_mem_sync (fp)
 
 
 static void
-_IO_mem_finish (fp, dummy)
-     _IO_FILE* fp;
-     int dummy;
+_IO_mem_finish (_IO_FILE *fp, int dummy)
 {
   struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
 
diff --git a/libio/oldfileops.c b/libio/oldfileops.c
index 25797c830e..4bf0ddb543 100644
--- a/libio/oldfileops.c
+++ b/libio/oldfileops.c
@@ -114,8 +114,7 @@ extern int errno;
 
 void
 attribute_compat_text_section
-_IO_old_file_init (fp)
-     struct _IO_FILE_plus *fp;
+_IO_old_file_init (struct _IO_FILE_plus *fp)
 {
   /* POSIX.1 allows another file handle to be used to change the position
      of our file descriptor.  Hence we actually don't know the actual
@@ -141,8 +140,7 @@ _IO_old_file_init (fp)
 
 int
 attribute_compat_text_section
-_IO_old_file_close_it (fp)
-     _IO_FILE *fp;
+_IO_old_file_close_it (_IO_FILE *fp)
 {
   int write_status, close_status;
   if (!_IO_file_is_open (fp))
@@ -170,9 +168,7 @@ _IO_old_file_close_it (fp)
 
 void
 attribute_compat_text_section
-_IO_old_file_finish (fp, dummy)
-     _IO_FILE *fp;
-     int dummy;
+_IO_old_file_finish (_IO_FILE *fp, int dummy)
 {
   if (_IO_file_is_open (fp))
     {
@@ -185,10 +181,7 @@ _IO_old_file_finish (fp, dummy)
 
 _IO_FILE *
 attribute_compat_text_section
-_IO_old_file_fopen (fp, filename, mode)
-     _IO_FILE *fp;
-     const char *filename;
-     const char *mode;
+_IO_old_file_fopen (_IO_FILE *fp, const char *filename, const char *mode)
 {
   int oflags = 0, omode;
   int read_write, fdesc;
@@ -235,9 +228,7 @@ _IO_old_file_fopen (fp, filename, mode)
 
 _IO_FILE *
 attribute_compat_text_section
-_IO_old_file_attach (fp, fd)
-     _IO_FILE *fp;
-     int fd;
+_IO_old_file_attach (_IO_FILE *fp, int fd)
 {
   if (_IO_file_is_open (fp))
     return NULL;
@@ -255,10 +246,7 @@ _IO_old_file_attach (fp, fd)
 
 _IO_FILE *
 attribute_compat_text_section
-_IO_old_file_setbuf (fp, p, len)
-     _IO_FILE *fp;
-     char *p;
-     _IO_ssize_t len;
+_IO_old_file_setbuf (_IO_FILE *fp, char *p, _IO_ssize_t len)
 {
     if (_IO_default_setbuf (fp, p, len) == NULL)
       return NULL;
@@ -277,10 +265,7 @@ static int old_do_write (_IO_FILE *, const char *, _IO_size_t);
 
 int
 attribute_compat_text_section
-_IO_old_do_write (fp, data, to_do)
-     _IO_FILE *fp;
-     const char *data;
-     _IO_size_t to_do;
+_IO_old_do_write (_IO_FILE *fp, const char *data, _IO_size_t to_do)
 {
   return (to_do == 0 || (_IO_size_t) old_do_write (fp, data, to_do) == to_do)
 	 ? 0 : EOF;
@@ -288,10 +273,7 @@ _IO_old_do_write (fp, data, to_do)
 
 static int
 attribute_compat_text_section
-old_do_write (fp, data, to_do)
-     _IO_FILE *fp;
-     const char *data;
-     _IO_size_t to_do;
+old_do_write (_IO_FILE *fp, const char *data, _IO_size_t to_do)
 {
   _IO_size_t count;
   if (fp->_flags & _IO_IS_APPENDING)
@@ -321,8 +303,7 @@ old_do_write (fp, data, to_do)
 
 int
 attribute_compat_text_section
-_IO_old_file_underflow (fp)
-     _IO_FILE *fp;
+_IO_old_file_underflow (_IO_FILE *fp)
 {
   _IO_ssize_t count;
 #if 0
@@ -386,9 +367,7 @@ _IO_old_file_underflow (fp)
 
 int
 attribute_compat_text_section
-_IO_old_file_overflow (f, ch)
-      _IO_FILE *f;
-      int ch;
+_IO_old_file_overflow (_IO_FILE *f, int ch)
 {
   if (f->_flags & _IO_NO_WRITES) /* SET ERROR */
     {
@@ -438,8 +417,7 @@ _IO_old_file_overflow (f, ch)
 
 int
 attribute_compat_text_section
-_IO_old_file_sync (fp)
-     _IO_FILE *fp;
+_IO_old_file_sync (_IO_FILE *fp)
 {
   _IO_ssize_t delta;
   int retval = 0;
@@ -473,11 +451,7 @@ _IO_old_file_sync (fp)
 
 _IO_off64_t
 attribute_compat_text_section
-_IO_old_file_seekoff (fp, offset, dir, mode)
-     _IO_FILE *fp;
-     _IO_off64_t offset;
-     int dir;
-     int mode;
+_IO_old_file_seekoff (_IO_FILE *fp, _IO_off64_t offset, int dir, int mode)
 {
   _IO_off_t result;
   _IO_off64_t delta, new_offset;
@@ -660,10 +634,7 @@ resync:
 
 _IO_ssize_t
 attribute_compat_text_section
-_IO_old_file_write (f, data, n)
-     _IO_FILE *f;
-     const void *data;
-     _IO_ssize_t n;
+_IO_old_file_write (_IO_FILE *f, const void *data, _IO_ssize_t n)
 {
   _IO_ssize_t to_do = n;
   while (to_do > 0)
@@ -685,10 +656,7 @@ _IO_old_file_write (f, data, n)
 
 _IO_size_t
 attribute_compat_text_section
-_IO_old_file_xsputn (f, data, n)
-     _IO_FILE *f;
-     const void *data;
-     _IO_size_t n;
+_IO_old_file_xsputn (_IO_FILE *f, const void *data, _IO_size_t n)
 {
   const char *s = (char *) data;
   _IO_size_t to_do = n;
diff --git a/libio/oldiofclose.c b/libio/oldiofclose.c
index a967c2d204..aee8c538ca 100644
--- a/libio/oldiofclose.c
+++ b/libio/oldiofclose.c
@@ -33,8 +33,7 @@
 
 int
 attribute_compat_text_section
-_IO_old_fclose (fp)
-     _IO_FILE *fp;
+_IO_old_fclose (_IO_FILE *fp)
 {
   int status;
 
diff --git a/libio/oldiofdopen.c b/libio/oldiofdopen.c
index e068ec70fc..f701858df6 100644
--- a/libio/oldiofdopen.c
+++ b/libio/oldiofdopen.c
@@ -38,9 +38,7 @@
 
 _IO_FILE *
 attribute_compat_text_section
-_IO_old_fdopen (fd, mode)
-     int fd;
-     const char *mode;
+_IO_old_fdopen (int fd, const char *mode)
 {
   int read_write;
   int posix_mode = 0;
diff --git a/libio/oldiofgetpos.c b/libio/oldiofgetpos.c
index e76a5a158f..0b4c3509e3 100644
--- a/libio/oldiofgetpos.c
+++ b/libio/oldiofgetpos.c
@@ -32,9 +32,7 @@
 
 int
 attribute_compat_text_section
-_IO_old_fgetpos (fp, posp)
-     _IO_FILE *fp;
-     _IO_fpos_t *posp;
+_IO_old_fgetpos (_IO_FILE *fp, _IO_fpos_t *posp)
 {
   _IO_off_t pos;
   CHECK_FILE (fp, EOF);
diff --git a/libio/oldiofgetpos64.c b/libio/oldiofgetpos64.c
index db27f88b70..5a0b02be05 100644
--- a/libio/oldiofgetpos64.c
+++ b/libio/oldiofgetpos64.c
@@ -32,9 +32,7 @@
 
 int
 attribute_compat_text_section
-_IO_old_fgetpos64 (fp, posp)
-     _IO_FILE *fp;
-     _IO_fpos64_t *posp;
+_IO_old_fgetpos64 (_IO_FILE *fp, _IO_fpos64_t *posp)
 {
   _IO_off64_t pos;
   CHECK_FILE (fp, EOF);
diff --git a/libio/oldiofopen.c b/libio/oldiofopen.c
index a90a60168b..0441d007d7 100644
--- a/libio/oldiofopen.c
+++ b/libio/oldiofopen.c
@@ -34,9 +34,7 @@
 
 _IO_FILE *
 attribute_compat_text_section
-_IO_old_fopen (filename, mode)
-     const char *filename;
-     const char *mode;
+_IO_old_fopen (const char *filename, const char *mode)
 {
   struct locked_FILE
   {
diff --git a/libio/oldiofsetpos.c b/libio/oldiofsetpos.c
index 24571b4719..b85cb82b02 100644
--- a/libio/oldiofsetpos.c
+++ b/libio/oldiofsetpos.c
@@ -31,9 +31,7 @@
 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
 int
 attribute_compat_text_section
-_IO_old_fsetpos (fp, posp)
-     _IO_FILE *fp;
-     const _IO_fpos_t *posp;
+_IO_old_fsetpos (_IO_FILE *fp, const _IO_fpos_t *posp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/oldiofsetpos64.c b/libio/oldiofsetpos64.c
index 3b8eba1a54..914c5715b1 100644
--- a/libio/oldiofsetpos64.c
+++ b/libio/oldiofsetpos64.c
@@ -32,9 +32,7 @@
 
 int
 attribute_compat_text_section
-_IO_old_fsetpos64 (fp, posp)
-     _IO_FILE *fp;
-     const _IO_fpos64_t *posp;
+_IO_old_fsetpos64 (_IO_FILE *fp, const _IO_fpos64_t *posp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/oldiopopen.c b/libio/oldiopopen.c
index fb4c7b8597..b22aa464a4 100644
--- a/libio/oldiopopen.c
+++ b/libio/oldiopopen.c
@@ -115,10 +115,7 @@ unlock (void *not_used)
 
 _IO_FILE *
 attribute_compat_text_section
-_IO_old_proc_open (fp, command, mode)
-     _IO_FILE *fp;
-     const char *command;
-     const char *mode;
+_IO_old_proc_open (_IO_FILE *fp, const char *command, const char *mode)
 {
   volatile int read_or_write;
   volatile int parent_end, child_end;
@@ -194,9 +191,7 @@ _IO_old_proc_open (fp, command, mode)
 
 _IO_FILE *
 attribute_compat_text_section
-_IO_old_popen (command, mode)
-     const char *command;
-     const char *mode;
+_IO_old_popen (const char *command, const char *mode)
 {
   struct locked_FILE
   {
@@ -229,8 +224,7 @@ _IO_old_popen (command, mode)
 
 int
 attribute_compat_text_section
-_IO_old_proc_close (fp)
-     _IO_FILE *fp;
+_IO_old_proc_close (_IO_FILE *fp)
 {
   /* This is not name-space clean. FIXME! */
   int wstatus;
diff --git a/libio/oldpclose.c b/libio/oldpclose.c
index cafa405110..2f29490876 100644
--- a/libio/oldpclose.c
+++ b/libio/oldpclose.c
@@ -34,8 +34,7 @@
 
 int
 attribute_compat_text_section
-__old_pclose (fp)
-     FILE *fp;
+__old_pclose (FILE *fp)
 {
 #if 0
   /* Does not actually test that stream was created by popen(). Instead,
diff --git a/libio/pclose.c b/libio/pclose.c
index 019b74d9d1..e79860ef94 100644
--- a/libio/pclose.c
+++ b/libio/pclose.c
@@ -30,8 +30,7 @@
 #include <shlib-compat.h>
 
 int
-__new_pclose (fp)
-     FILE *fp;
+__new_pclose (FILE *fp)
 {
 #if 0
   /* Does not actually test that stream was created by popen(). Instead,
diff --git a/libio/peekc.c b/libio/peekc.c
index c7b443bb1f..af3b909e16 100644
--- a/libio/peekc.c
+++ b/libio/peekc.c
@@ -30,8 +30,7 @@
 #undef _IO_peekc
 
 int
-_IO_peekc_locked (fp)
-     _IO_FILE *fp;
+_IO_peekc_locked (_IO_FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/putc.c b/libio/putc.c
index 46140de1e6..fa0d72c666 100644
--- a/libio/putc.c
+++ b/libio/putc.c
@@ -21,9 +21,7 @@
 #undef _IO_putc
 
 int
-_IO_putc (c, fp)
-     int c;
-     _IO_FILE *fp;
+_IO_putc (int c, _IO_FILE *fp)
 {
   int result;
   CHECK_FILE (fp, EOF);
diff --git a/libio/putc_u.c b/libio/putc_u.c
index e97a78e40c..80636dc110 100644
--- a/libio/putc_u.c
+++ b/libio/putc_u.c
@@ -21,9 +21,7 @@
 #undef putc_unlocked
 
 int
-putc_unlocked (c, fp)
-     int c;
-     _IO_FILE *fp;
+putc_unlocked (int c, _IO_FILE *fp)
 {
   CHECK_FILE (fp, EOF);
   return _IO_putc_unlocked (c, fp);
diff --git a/libio/putchar.c b/libio/putchar.c
index d401d2b6c9..ca8910a902 100644
--- a/libio/putchar.c
+++ b/libio/putchar.c
@@ -21,8 +21,7 @@
 #undef putchar
 
 int
-putchar (c)
-     int c;
+putchar (int c)
 {
   int result;
   _IO_acquire_lock (_IO_stdout);
diff --git a/libio/putchar_u.c b/libio/putchar_u.c
index 2fd767b717..2b905723a0 100644
--- a/libio/putchar_u.c
+++ b/libio/putchar_u.c
@@ -21,8 +21,7 @@
 #undef putchar_unlocked
 
 int
-putchar_unlocked (c)
-     int c;
+putchar_unlocked (int c)
 {
   CHECK_FILE (_IO_stdout, EOF);
   return _IO_putc_unlocked (c, _IO_stdout);
diff --git a/libio/putwc.c b/libio/putwc.c
index b441f24699..91e1b07041 100644
--- a/libio/putwc.c
+++ b/libio/putwc.c
@@ -19,9 +19,7 @@
 #include <wchar.h>
 
 wint_t
-putwc (wc, fp)
-     wchar_t wc;
-     _IO_FILE *fp;
+putwc (wchar_t wc, _IO_FILE *fp)
 {
   wint_t result;
   CHECK_FILE (fp, WEOF);
diff --git a/libio/putwc_u.c b/libio/putwc_u.c
index e2f59ec2b5..0079f142f1 100644
--- a/libio/putwc_u.c
+++ b/libio/putwc_u.c
@@ -19,9 +19,7 @@
 #include <wchar.h>
 
 wint_t
-putwc_unlocked (wc, fp)
-     wchar_t wc;
-     _IO_FILE *fp;
+putwc_unlocked (wchar_t wc, _IO_FILE *fp)
 {
   CHECK_FILE (fp, WEOF);
   return _IO_putwc_unlocked (wc, fp);
diff --git a/libio/putwchar.c b/libio/putwchar.c
index 41d834b144..0fefe3a3ac 100644
--- a/libio/putwchar.c
+++ b/libio/putwchar.c
@@ -19,8 +19,7 @@
 #include <wchar.h>
 
 wint_t
-putwchar (wc)
-     wchar_t wc;
+putwchar (wchar_t wc)
 {
   wint_t result;
   _IO_acquire_lock (_IO_stdout);
diff --git a/libio/putwchar_u.c b/libio/putwchar_u.c
index dec9e38c7d..792aec4b44 100644
--- a/libio/putwchar_u.c
+++ b/libio/putwchar_u.c
@@ -19,8 +19,7 @@
 #include <wchar.h>
 
 wint_t
-putwchar_unlocked (wc)
-     wchar_t wc;
+putwchar_unlocked (wchar_t wc)
 {
   CHECK_FILE (_IO_stdout, WEOF);
   return _IO_putwc_unlocked (wc, _IO_stdout);
diff --git a/libio/rewind.c b/libio/rewind.c
index baa804a05e..5a19106db8 100644
--- a/libio/rewind.c
+++ b/libio/rewind.c
@@ -28,8 +28,7 @@
 #include <stdio.h>
 
 void
-rewind (fp)
-     _IO_FILE *fp;
+rewind (_IO_FILE *fp)
 {
   CHECK_FILE (fp, );
   _IO_acquire_lock (fp);
diff --git a/libio/setbuf.c b/libio/setbuf.c
index a418bc1f32..251b487958 100644
--- a/libio/setbuf.c
+++ b/libio/setbuf.c
@@ -28,9 +28,7 @@
 #include "stdio.h"
 
 void
-setbuf (fp, buf)
-     _IO_FILE *fp;
-     char *buf;
+setbuf (_IO_FILE *fp, char *buf)
 {
   _IO_setbuffer (fp, buf, _IO_BUFSIZ);
 }
diff --git a/libio/setlinebuf.c b/libio/setlinebuf.c
index 482f0af935..ea763cf26a 100644
--- a/libio/setlinebuf.c
+++ b/libio/setlinebuf.c
@@ -30,8 +30,7 @@
 #undef setlinebuf
 
 void
-setlinebuf (stream)
-     _IO_FILE *stream;
+setlinebuf (_IO_FILE *stream)
 {
   _IO_setvbuf (stream, NULL, 1, 0);
 }
diff --git a/libio/vasprintf.c b/libio/vasprintf.c
index 7f9c1050ff..61cdfdd0e2 100644
--- a/libio/vasprintf.c
+++ b/libio/vasprintf.c
@@ -32,10 +32,7 @@
 #include "strfile.h"
 
 int
-_IO_vasprintf (result_ptr, format, args)
-     char **result_ptr;
-     const char *format;
-     _IO_va_list args;
+_IO_vasprintf (char **result_ptr, const char *format, _IO_va_list args)
 {
   /* Initial size of the buffer to be used.  Will be doubled each time an
      overflow occurs.  */
diff --git a/libio/vscanf.c b/libio/vscanf.c
index 5a17c1d419..223f84f9c5 100644
--- a/libio/vscanf.c
+++ b/libio/vscanf.c
@@ -30,9 +30,7 @@
 #undef vscanf
 
 int
-_IO_vscanf (format, args)
-     const char *format;
-     _IO_va_list args;
+_IO_vscanf (const char *format, _IO_va_list args)
 {
   return _IO_vfscanf (_IO_stdin, format, args, NULL);
 }
diff --git a/libio/vsnprintf.c b/libio/vsnprintf.c
index e2752d8d84..fdceb3d786 100644
--- a/libio/vsnprintf.c
+++ b/libio/vsnprintf.c
@@ -30,9 +30,7 @@
 static int _IO_strn_overflow (_IO_FILE *fp, int c) __THROW;
 
 static int
-_IO_strn_overflow (fp, c)
-     _IO_FILE *fp;
-     int c;
+_IO_strn_overflow (_IO_FILE *fp, int c)
 {
   /* When we come to here this means the user supplied buffer is
      filled.  But since we must return the number of characters which
diff --git a/libio/vswprintf.c b/libio/vswprintf.c
index c10e586b35..1533a6d02d 100644
--- a/libio/vswprintf.c
+++ b/libio/vswprintf.c
@@ -31,9 +31,7 @@
 static wint_t _IO_wstrn_overflow (_IO_FILE *fp, wint_t c) __THROW;
 
 static wint_t
-_IO_wstrn_overflow (fp, c)
-     _IO_FILE *fp;
-     wint_t c;
+_IO_wstrn_overflow (_IO_FILE *fp, wint_t c)
 {
   /* When we come to here this means the user supplied buffer is
      filled.  But since we must return the number of characters which
diff --git a/libio/wfiledoalloc.c b/libio/wfiledoalloc.c
index 4acf3f8fc7..dc71092433 100644
--- a/libio/wfiledoalloc.c
+++ b/libio/wfiledoalloc.c
@@ -78,8 +78,7 @@
  */
 
 int
-_IO_wfile_doallocate (fp)
-     _IO_FILE *fp;
+_IO_wfile_doallocate (_IO_FILE *fp)
 {
   _IO_size_t size;
   wchar_t *p;
diff --git a/libio/wgenops.c b/libio/wgenops.c
index e7d2d1ca55..e038f2c8bf 100644
--- a/libio/wgenops.c
+++ b/libio/wgenops.c
@@ -48,9 +48,7 @@ static int save_for_wbackup (_IO_FILE *fp, wchar_t *end_p) __THROW
 /* Return minimum _pos markers
    Assumes the current get area is the main get area. */
 _IO_ssize_t
-_IO_least_wmarker (fp, end_p)
-     _IO_FILE *fp;
-     wchar_t *end_p;
+_IO_least_wmarker (_IO_FILE *fp, wchar_t *end_p)
 {
   _IO_ssize_t least_so_far = end_p - fp->_wide_data->_IO_read_base;
   struct _IO_marker *mark;
@@ -63,8 +61,7 @@ libc_hidden_def (_IO_least_wmarker)
 
 /* Switch current get area from backup buffer to (start of) main get area. */
 void
-_IO_switch_to_main_wget_area (fp)
-     _IO_FILE *fp;
+_IO_switch_to_main_wget_area (_IO_FILE *fp)
 {
   wchar_t *tmp;
   fp->_flags &= ~_IO_IN_BACKUP;
@@ -84,8 +81,7 @@ libc_hidden_def (_IO_switch_to_main_wget_area)
 
 /* Switch current get area from main get area to (end of) backup area. */
 void
-_IO_switch_to_wbackup_area (fp)
-     _IO_FILE *fp;
+_IO_switch_to_wbackup_area (_IO_FILE *fp)
 {
   wchar_t *tmp;
   fp->_flags |= _IO_IN_BACKUP;
@@ -104,11 +100,7 @@ libc_hidden_def (_IO_switch_to_wbackup_area)
 
 
 void
-_IO_wsetb (f, b, eb, a)
-     _IO_FILE *f;
-     wchar_t *b;
-     wchar_t *eb;
-     int a;
+_IO_wsetb (_IO_FILE *f, wchar_t *b, wchar_t *eb, int a)
 {
   if (f->_wide_data->_IO_buf_base && !(f->_flags2 & _IO_FLAGS2_USER_WBUF))
     free (f->_wide_data->_IO_buf_base);
@@ -123,9 +115,7 @@ libc_hidden_def (_IO_wsetb)
 
 
 wint_t
-_IO_wdefault_pbackfail (fp, c)
-     _IO_FILE *fp;
-     wint_t c;
+_IO_wdefault_pbackfail (_IO_FILE *fp, wint_t c)
 {
   if (fp->_wide_data->_IO_read_ptr > fp->_wide_data->_IO_read_base
       && !_IO_in_backup (fp)
@@ -188,9 +178,7 @@ libc_hidden_def (_IO_wdefault_pbackfail)
 
 
 void
-_IO_wdefault_finish (fp, dummy)
-     _IO_FILE *fp;
-     int dummy;
+_IO_wdefault_finish (_IO_FILE *fp, int dummy)
 {
   struct _IO_marker *mark;
   if (fp->_wide_data->_IO_buf_base && !(fp->_flags2 & _IO_FLAGS2_USER_WBUF))
@@ -219,8 +207,7 @@ libc_hidden_def (_IO_wdefault_finish)
 
 
 wint_t
-_IO_wdefault_uflow (fp)
-     _IO_FILE *fp;
+_IO_wdefault_uflow (_IO_FILE *fp)
 {
   wint_t wch;
   wch = _IO_UNDERFLOW (fp);
@@ -232,9 +219,7 @@ libc_hidden_def (_IO_wdefault_uflow)
 
 
 wint_t
-__woverflow (f, wch)
-     _IO_FILE *f;
-     wint_t wch;
+__woverflow (_IO_FILE *f, wint_t wch)
 {
   if (f->_mode == 0)
     _IO_fwide (f, 1);
@@ -244,8 +229,7 @@ libc_hidden_def (__woverflow)
 
 
 wint_t
-__wuflow (fp)
-     _IO_FILE *fp;
+__wuflow (_IO_FILE *fp)
 {
   if (fp->_mode < 0 || (fp->_mode == 0 && _IO_fwide (fp, 1) != 1))
     return WEOF;
@@ -275,8 +259,7 @@ __wuflow (fp)
 libc_hidden_def (__wuflow)
 
 wint_t
-__wunderflow (fp)
-     _IO_FILE *fp;
+__wunderflow (_IO_FILE *fp)
 {
   if (fp->_mode < 0 || (fp->_mode == 0 && _IO_fwide (fp, 1) != 1))
     return WEOF;
@@ -307,10 +290,7 @@ libc_hidden_def (__wunderflow)
 
 
 _IO_size_t
-_IO_wdefault_xsputn (f, data, n)
-     _IO_FILE *f;
-     const void *data;
-     _IO_size_t n;
+_IO_wdefault_xsputn (_IO_FILE *f, const void *data, _IO_size_t n)
 {
   const wchar_t *s = (const wchar_t *) data;
   _IO_size_t more = n;
@@ -358,10 +338,7 @@ libc_hidden_def (_IO_wdefault_xsputn)
 
 
 _IO_size_t
-_IO_wdefault_xsgetn (fp, data, n)
-     _IO_FILE *fp;
-     void *data;
-     _IO_size_t n;
+_IO_wdefault_xsgetn (_IO_FILE *fp, void *data, _IO_size_t n)
 {
   _IO_size_t more = n;
   wchar_t *s = (wchar_t*) data;
@@ -405,8 +382,7 @@ libc_hidden_def (_IO_wdefault_xsgetn)
 
 
 void
-_IO_wdoallocbuf (fp)
-     _IO_FILE *fp;
+_IO_wdoallocbuf (_IO_FILE *fp)
 {
   if (fp->_wide_data->_IO_buf_base)
     return;
@@ -420,8 +396,7 @@ libc_hidden_def (_IO_wdoallocbuf)
 
 
 int
-_IO_wdefault_doallocate (fp)
-     _IO_FILE *fp;
+_IO_wdefault_doallocate (_IO_FILE *fp)
 {
   wchar_t *buf;
 
@@ -435,8 +410,7 @@ libc_hidden_def (_IO_wdefault_doallocate)
 
 
 int
-_IO_switch_to_wget_mode (fp)
-     _IO_FILE *fp;
+_IO_switch_to_wget_mode (_IO_FILE *fp)
 {
   if (fp->_wide_data->_IO_write_ptr > fp->_wide_data->_IO_write_base)
     if ((wint_t)_IO_WOVERFLOW (fp, WEOF) == WEOF)
@@ -460,8 +434,7 @@ _IO_switch_to_wget_mode (fp)
 libc_hidden_def (_IO_switch_to_wget_mode)
 
 void
-_IO_free_wbackup_area (fp)
-     _IO_FILE *fp;
+_IO_free_wbackup_area (_IO_FILE *fp)
 {
   if (_IO_in_backup (fp))
     _IO_switch_to_main_wget_area (fp);  /* Just in case. */
@@ -474,8 +447,7 @@ libc_hidden_def (_IO_free_wbackup_area)
 
 #if 0
 int
-_IO_switch_to_wput_mode (fp)
-     _IO_FILE *fp;
+_IO_switch_to_wput_mode (_IO_FILE *fp)
 {
   fp->_wide_data->_IO_write_base = fp->_wide_data->_IO_read_ptr;
   fp->_wide_data->_IO_write_ptr = fp->_wide_data->_IO_read_ptr;
@@ -594,9 +566,7 @@ save_for_wbackup (fp, end_p)
 }
 
 wint_t
-_IO_sputbackwc (fp, c)
-     _IO_FILE *fp;
-     wint_t c;
+_IO_sputbackwc (_IO_FILE *fp, wint_t c)
 {
   wint_t result;
 
@@ -617,8 +587,7 @@ _IO_sputbackwc (fp, c)
 libc_hidden_def (_IO_sputbackwc)
 
 wint_t
-_IO_sungetwc (fp)
-     _IO_FILE *fp;
+_IO_sungetwc (_IO_FILE *fp)
 {
   wint_t result;
 
@@ -638,10 +607,7 @@ _IO_sungetwc (fp)
 
 
 unsigned
-_IO_adjust_wcolumn (start, line, count)
-     unsigned start;
-     const wchar_t *line;
-     int count;
+_IO_adjust_wcolumn (unsigned start, const wchar_t *line, int count)
 {
   const wchar_t *ptr = line + count;
   while (ptr > line)
@@ -651,9 +617,7 @@ _IO_adjust_wcolumn (start, line, count)
 }
 
 void
-_IO_init_wmarker (marker, fp)
-     struct _IO_marker *marker;
-     _IO_FILE *fp;
+_IO_init_wmarker (struct _IO_marker *marker, _IO_FILE *fp)
 {
   marker->_sbuf = fp;
   if (_IO_in_put_mode (fp))
@@ -673,8 +637,7 @@ _IO_init_wmarker (marker, fp)
 
 /* Return difference between MARK and current position of MARK's stream. */
 int
-_IO_wmarker_delta (mark)
-     struct _IO_marker *mark;
+_IO_wmarker_delta (struct _IO_marker *mark)
 {
   int cur_pos;
   if (mark->_sbuf == NULL)
@@ -689,10 +652,7 @@ _IO_wmarker_delta (mark)
 }
 
 int
-_IO_seekwmark (fp, mark, delta)
-     _IO_FILE *fp;
-     struct _IO_marker *mark;
-     int delta;
+_IO_seekwmark (_IO_FILE *fp, struct _IO_marker *mark, int delta)
 {
   if (mark->_sbuf != fp)
     return EOF;
@@ -713,8 +673,7 @@ _IO_seekwmark (fp, mark, delta)
 }
 
 void
-_IO_unsave_wmarkers (fp)
-     _IO_FILE *fp;
+_IO_unsave_wmarkers (_IO_FILE *fp)
 {
   struct _IO_marker *mark = fp->_markers;
   if (mark)
diff --git a/libio/wmemstream.c b/libio/wmemstream.c
index 61b5d8b346..f20c9a3b94 100644
--- a/libio/wmemstream.c
+++ b/libio/wmemstream.c
@@ -62,9 +62,7 @@ static const struct _IO_jump_t _IO_wmem_jumps =
    necessary.  *BUFLOC and *SIZELOC are updated with the buffer's location
    and the number of characters written on fflush or fclose.  */
 _IO_FILE *
-open_wmemstream (bufloc, sizeloc)
-     wchar_t **bufloc;
-     _IO_size_t *sizeloc;
+open_wmemstream (wchar_t **bufloc, _IO_size_t *sizeloc)
 {
   struct locked_FILE
   {
@@ -105,8 +103,7 @@ open_wmemstream (bufloc, sizeloc)
 
 
 static int
-_IO_wmem_sync (fp)
-     _IO_FILE* fp;
+_IO_wmem_sync (_IO_FILE *fp)
 {
   struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp;
 
@@ -127,9 +124,7 @@ _IO_wmem_sync (fp)
 
 
 static void
-_IO_wmem_finish (fp, dummy)
-     _IO_FILE* fp;
-     int dummy;
+_IO_wmem_finish (_IO_FILE *fp, int dummy)
 {
   struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp;