1    	/* Copyright (C) 1992-2015 Free Software Foundation, Inc.
2    	   This file is part of the GNU C Library.
3    	
4    	   The GNU C Library is free software; you can redistribute it and/or
5    	   modify it under the terms of the GNU Lesser General Public
6    	   License as published by the Free Software Foundation; either
7    	   version 2.1 of the License, or (at your option) any later version.
8    	
9    	   The GNU C Library is distributed in the hope that it will be useful,
10   	   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   	   Lesser General Public License for more details.
13   	
14   	   You should have received a copy of the GNU Lesser General Public
15   	   License along with the GNU C Library; if not, see
16   	   <http://www.gnu.org/licenses/>.  */
17   	
18   	#ifndef	_ALLOCA_H
19   	#define	_ALLOCA_H	1
20   	
21   	#include <features.h>
22   	
23   	#define	__need_size_t
24   	#include <stddef.h>
25   	
26   	__BEGIN_DECLS
27   	
28   	/* Remove any previous definitions.  */
29   	#undef	alloca
30   	
31   	/* Allocate a block that will be freed when the calling function exits.  */
32   	extern void *alloca (size_t __size) __THROW;
33   	
34   	#ifdef	__GNUC__
35   	# define alloca(size)	__builtin_alloca (size)
36   	#endif /* GCC.  */
37   	
38   	__END_DECLS
39   	
40   	#endif /* alloca.h */
41