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