diff --git a/ChangeLog b/ChangeLog
index 2b7f720f06..8d41ebab0a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2003-03-05  Roland McGrath  <roland@redhat.com>
+
+	* stdio-common/sscanf.c: Use prototype defn with ... syntax.
+	* libio/swscanf.c: Likewise.
+	* libio/swprintf.c: Likewise.
+
 2003-03-04  Roland McGrath  <roland@redhat.com>
 
 	* sysdeps/powerpc/powerpc64/dl-machine.h: Include <dl-tls.h>.
diff --git a/libio/swprintf.c b/libio/swprintf.c
index 923ae8875b..298c1e7537 100644
--- a/libio/swprintf.c
+++ b/libio/swprintf.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1991,1995,1997,1998,1999,2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1995,1997,1998,1999,2000,2003
+	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
@@ -22,10 +23,7 @@
 /* Write formatted output into S, according to the format string FORMAT.  */
 /* VARARGS3 */
 int
-swprintf (s, n, format)
-     wchar_t *s;
-     size_t n;
-     const wchar_t *format;
+swprintf (wchar_t *s, size_t n, const wchar_t *format, ...)
 {
   va_list arg;
   int done;
diff --git a/libio/swscanf.c b/libio/swscanf.c
index 7f817caf0b..c837ad14f6 100644
--- a/libio/swscanf.c
+++ b/libio/swscanf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1995, 1996, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1995,1996,1998,1999,2003 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
@@ -22,9 +22,7 @@
 /* Read formatted input from S, according to the format string FORMAT.  */
 /* VARARGS2 */
 int
-swscanf (s, format)
-     const wchar_t *s;
-     const wchar_t *format;
+swscanf (const wchar_t *s, const wchar_t *format, ...)
 {
   va_list arg;
   int done;
diff --git a/stdio-common/sscanf.c b/stdio-common/sscanf.c
index 26d8742d09..ed4cb1d3a1 100644
--- a/stdio-common/sscanf.c
+++ b/stdio-common/sscanf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,95,96,98,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1995,1996,1998,2002,2003 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
@@ -27,9 +27,7 @@
 /* Read formatted input from S, according to the format string FORMAT.  */
 /* VARARGS2 */
 int
-sscanf (s, format)
-     const char *s;
-     const char *format;
+sscanf (const char *s, const char *format, ...)
 {
   va_list arg;
   int done;