--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-14  Simon Josefsson  <jas@extundo.com>
+
+	* modules/mempcpy: New file.
+	* MODULES.html.sh (func_all_modules): Add mempcpy.
+
 2003-07-14  Paul Eggert  <eggert@twinsun.com>
 
 	* modules/getdate, modules/posixtm: Depend on mktime.

--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,8 @@
+2003-07-14  Simon Josefsson  <jas@extundo.com>
+
+	* mempcpy.h: New file.
+	* mempcpy.c: New file.
+
 2003-07-14  Paul Eggert  <eggert@twinsun.com>
 
 	* ceill.c, expl.c, floorl.c, frexpl.c, ldexpl.c, mathl.h,

new file mode 100644
--- /dev/null
+++ b/lib/mempcpy.c
@@ -0,0 +1,29 @@
+/* Copy memory area and return pointer after last written byte.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Specification.  */
+#include "mempcpy.h"
+
+#include <string.h>
+
+/* Copy N bytes of SRC to DEST, return pointer to bytes after the
+   last written byte.  */
+void *
+mempcpy (void *dest, const void *src, size_t n)
+{
+  return (char *) memcpy (dest, src, n) + n;
+}

new file mode 100644
--- /dev/null
+++ b/lib/mempcpy.h
@@ -0,0 +1,32 @@
+/* Copy memory area and return pointer after last written byte.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if HAVE_MEMPCPY
+
+/* Get mempcpy() declaration.  */
+#include <string.h>
+
+#else
+
+/* Get size_t */
+#include <stddef.h>
+
+/* Copy N bytes of SRC to DEST, return pointer to bytes after the
+   last written byte.  */
+extern void *mempcpy (void *dest, const void *src, size_t n);
+
+#endif

--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-14  Simon Josefsson  <jas@extundo.com>
+
+	* mempcpy.m4: New file.
+
 2003-07-10  Jim Meyering  <jim@meyering.net>
 
 	* clock_time.m4: Remove trailing blank.

new file mode 100644
--- /dev/null
+++ b/m4/mempcpy.m4
@@ -0,0 +1,23 @@
+# mempcpy.m4 serial 1
+dnl Copyright (C) 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_FUNC_MEMPCPY],
+[
+  dnl Persuade glibc <string.h> to declare mempcpy().
+  AC_REQUIRE([AC_GNU_SOURCE])
+
+  AC_REPLACE_FUNCS(mempcpy)
+  if test $ac_cv_func_mempcpy = no; then
+    gl_PREREQ_MEMPCPY
+  fi
+])
+
+# Prerequisites of lib/mempcpy.c.
+AC_DEFUN([gl_PREREQ_MEMPCPY], [
+  :
+])

new file mode 100644
--- /dev/null
+++ b/modules/mempcpy
@@ -0,0 +1,21 @@
+Description:
+mempcpy() function: copy memory area, return point after last written byte.
+
+Files:
+lib/mempcpy.h
+lib/mempcpy.c
+m4/mempcpy.m4
+
+Depends-on:
+
+configure.ac:
+gl_FUNC_MEMPCPY
+
+Makefile.am:
+lib_SOURCES += mempcpy.h
+
+Include:
+"mempcpy.h"
+
+Maintainer:
+Simon Josefsson