--- /dev/null
+/* strdup.h -- duplicate a string
+ Copyright (C) 2004 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. */
+
+#ifndef STRDUP_H_
+#define STRDUP_H_
+
+/* Get strdup declaration, if available. */
+#include <string.h>
+
+#if !HAVE_DECL_STRDUP && !defined strdup
+/* Duplicate S, returning an identical malloc'd string. */
+extern char *strdup (const char *s);
+#endif
+
+#endif /* STRDUP_H_ */