1/* Copyright (C) 1992, 1996, 1997, 1998, 1999 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, write to the Free
16   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17   02111-1307 USA.  */
18
19#ifndef	_ALLOCA_H
20#define	_ALLOCA_H	1
21
22#include <features.h>
23
24#define	__need_size_t
25#include <stddef.h>
26
27__BEGIN_DECLS
28
29/* Remove any previous definitions.  */
30#undef	alloca
31
32/* Allocate a block that will be freed when the calling function exits.  */
33extern void *alloca (size_t __size) __THROW;
34
35#ifdef	__GNUC__
36# define alloca(size)	__builtin_alloca (size)
37#endif /* GCC.  */
38
39__END_DECLS
40
41#endif /* alloca.h */
42