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diff --git a/sysdeps/unix/sysv/linux/bits/ipc.h b/sysdeps/unix/sysv/linux/bits/ipc.h
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+/* Copyright (C) 1995-1999, 2000 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 _SYS_IPC_H
+# error "Never use <bits/ipc.h> directly; include <sys/ipc.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Mode bits for `msgget', `semget', and `shmget'. */
+#define IPC_CREAT 01000 /* Create key if key does not exist. */
+#define IPC_EXCL 02000 /* Fail if key exists. */
+#define IPC_NOWAIT 04000 /* Return error on wait. */
+
+/* Control commands for `msgctl', `semctl', and `shmctl'. */
+#define IPC_RMID 0 /* Remove identifier. */
+#define IPC_SET 1 /* Set `ipc_perm' options. */
+#define IPC_STAT 2 /* Get `ipc_perm' options. */
+#define IPC_INFO 3 /* See ipcs. */
+
+/* Special key values. */
+#define IPC_PRIVATE ((__key_t) 0) /* Private key. */
+
+#define __IPC_64 0x100
+
+
+/* Data structure used to pass permission information to IPC operations. */
+struct ipc_perm
+ {
+ __key_t __key; /* Key. */
+ __uid_t uid; /* Owner's user ID. */
+ __gid_t gid; /* Owner's group ID. */
+ __uid_t cuid; /* Creator's user ID. */
+ __gid_t cgid; /* Creator's group ID. */
+ unsigned short int mode; /* Read/write permission. */
+ unsigned short int __pad1;
+ unsigned short int __seq; /* Sequence number. */
+ unsigned short int __pad2;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+ };
+
+#ifdef __LIBC_IPC_INTERNAL
+struct __old_ipc_perm
+ {
+ __key_t __key; /* Key. */
+ unsigned short int uid; /* Owner's user ID. */
+ unsigned short int gid; /* Owner's group ID. */
+ unsigned short int cuid; /* Creator's user ID. */
+ unsigned short int cgid; /* Creator's group ID. */
+ unsigned short int mode; /* Read/write permission. */
+ unsigned short int __seq; /* Sequence number. */
+ };
+
+__BEGIN_DECLS
+
+/* The actual system call: all functions are multiplexed by this. */
+extern int __syscall_ipc (int __call, int __first, int __second,
+ int __third, void *__ptr);
+
+__END_DECLS
+
+
+/* The codes for the functions to use the multiplexer `__syscall_ipc'. */
+#define IPCOP_semop 1
+#define IPCOP_semget 2
+#define IPCOP_semctl 3
+#define IPCOP_msgsnd 11
+#define IPCOP_msgrcv 12
+#define IPCOP_msgget 13
+#define IPCOP_msgctl 14
+#define IPCOP_shmat 21
+#define IPCOP_shmdt 22
+#define IPCOP_shmget 23
+#define IPCOP_shmctl 24
+
+#endif /* __LIBC_IPC_INTERNAL */