new file mode 100644
--- /dev/null
+++ b/lib/strndup.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+
+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 <config.h>
+#include <ansidecl.h>
+#include "xstring.h"
+#include "xmalloc.h"
+
+
+/* Duplicate S, returning an identical malloc'd string.  */
+char *
+DEFUN(strndup, (s, n), const char *s AND size_t n)
+{
+  char *new = malloc(n + 1);
+
+  if (new == NULL)
+    return NULL;
+
+  memcpy (new, s, n);
+  new[n] = '\0';
+
+  return new;
+}