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e9ce8d39 1/*
9385eb3d 2 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
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3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
734aad71 6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
e9ce8d39 7 *
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8 * This file contains Original Code and/or Modifications of Original Code
9 * as defined in and that are subject to the Apple Public Source License
10 * Version 2.0 (the 'License'). You may not use this file except in
11 * compliance with the License. Please obtain a copy of the License at
12 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * file.
14 *
15 * The Original Code and all software distributed under the License are
16 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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19 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20 * Please see the License for the specific language governing rights and
21 * limitations under the License.
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22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
e9ce8d39 25
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26#ifndef _ALLOCA_H_
27#define _ALLOCA_H_
e9ce8d39 28
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29#include <sys/cdefs.h>
30#include <machine/ansi.h>
e9ce8d39 31
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32#ifndef _BSD_SIZE_T_DEFINED_
33#define _BSD_SIZE_T_DEFINED_
34typedef _BSD_SIZE_T_ size_t;
35#endif
e9ce8d39 36
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37__BEGIN_DECLS
38void *alloca(size_t); /* built-in for gcc */
39__END_DECLS
e9ce8d39 40
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41#if defined(__GNUC__) && __GNUC__ >= 3
42/* built-in for gcc 3 */
43#undef alloca
44#undef __alloca
45#define alloca(size) __alloca(size)
46#define __alloca(size) __builtin_alloca(size)
47#endif
e9ce8d39 48
9385eb3d 49#endif /* _ALLOCA_H_ */