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diff --git a/bits/ipc.h b/bits/ipc.h
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-/* Copyright (C) 1995, 1996, 1997, 1999 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 Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; 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 */
-
-/* Special key values. */
-#define IPC_PRIVATE ((key_t) 0) /* private key */
-
-
-/* Data structure used to pass permission information to IPC operations. */
-struct ipc_perm
- {
- __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 */
- __mode_t mode; /* read/write permission */
- };