new file mode 100644
--- /dev/null
+++ b/lib/getcwd.h
@@ -0,0 +1,40 @@
+/* Get the working directory, compatibly with the GNU C Library.
+
+   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.  */
+
+/* Written by Paul Eggert.  */
+
+/* Include the headers that might declare getcwd so that they will not
+   cause confusion if included after this file.  */
+
+#include <stdlib.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+/* If necessary, systematically rename identifiers so that they do not
+   collide with the system function.  Renaming avoids problems with
+   some compilers and linkers.  */
+
+#ifdef __GETCWD_PREFIX
+# undef getcwd
+# define __GETCWD_CONCAT(x, y) x ## y
+# define __GETCWD_XCONCAT(x, y) __GETCWD_CONCAT (x, y)
+# define __GETCWD_ID(y) __GETCWD_XCONCAT (__GETCWD_PREFIX, y)
+# define getcwd __GETCWD_ID (getcwd)
+char *getcwd (char *, size_t);
+#endif