1/*
2 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_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. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#ifndef _ALLOCA_H_
25#define _ALLOCA_H_
26
27#include <sys/cdefs.h>
28#include <_types.h>
29#include <sys/_types/_size_t.h>
30
31__BEGIN_DECLS
32void *alloca(size_t); /* built-in for gcc */
33__END_DECLS
34
35#if defined(__GNUC__) && __GNUC__ >= 3
36/* built-in for gcc 3 */
37#undef alloca
38#undef __alloca
39#define alloca(size) __alloca(size)
40#define __alloca(size) __builtin_alloca(size)
41#endif
42
43#endif /* _ALLOCA_H_ */
44