1/*
2 * Copyright (c) 2003-2012 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#include <sys/cdefs.h>
30
31/* whence values for lseek(2) */
32#ifndef SEEK_SET
33#define SEEK_SET 0 /* set file offset to offset */
34#define SEEK_CUR 1 /* set file offset to current plus offset */
35#define SEEK_END 2 /* set file offset to EOF plus offset */
36#endif /* !SEEK_SET */
37
38#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
39#ifndef SEEK_HOLE
40#define SEEK_HOLE 3 /* set file offset to the start of the next hole greater than or equal to the supplied offset */
41#endif
42
43#ifndef SEEK_DATA
44#define SEEK_DATA 4 /* set file offset to the start of the next non-hole file region greater than or equal to the supplied offset */
45#endif
46#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
47