--- /dev/null
+/* Copyright (C) 1997, 1998 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _UNISTD_H
+# error "Never include this file directly. Use <unistd.h> instead"
+#endif
+
+/* By default we have 32-bit wide `int', `long int', pointers and `off_t'. */
+#define _XBS5_ILP32_OFF32 1
+
+/* The Hurd does not yet implement an environment with the above size
+ but an 64-bit size `off_t'. */
+#define _XBS5_ILP32_OFFBIG -1
+
+/* We can never provide environments with 64-bit wide pointers. */
+#define _XBS5_LP64_OFF64 -1
+#define _XBS5_LPBIG_OFFBIG -1