new file mode 100644
--- /dev/null
+++ b/lib/acl.h
@@ -0,0 +1,28 @@
+/* acl.c - access control lists
+
+   Copyright (C) 2002 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.  */
+
+#if HAVE_SYS_ACL_H && HAVE_ACL
+# include <sys/acl.h>
+#endif
+#if ! defined GETACLCNT && defined ACL_CNT
+# define GETACLCNT ACL_CNT
+#endif
+
+int file_has_acl (char const *, struct stat const *);