* Makefile (subdirs): Added wcsmbs.

* wcsmbs: New directory of wide char/multibyte char functions from
	drepper.

wcsmbs/wcsdup.c

@@ -0,0 +1,38 @@
+/* Copyright (C) 1995 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
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+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 <wcstr.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+/* Duplicate S, returning an identical malloc'd string.	 */
+wchar_t *
+wcsdup (s)
+    const wchar_t *s;
+{
+  size_t len = (wcslen (s) + 1) * sizeof (wchar_t);
+  void *new = malloc (len);
+
+  if (new == NULL)
+    return NULL;
+
+  memcpy (new, (void *) s, len);
+
+  return (wchar_t *) new;
+}