/* Copyright (C) 1992-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#ifndef	_ALLOCA_H

#define	_ALLOCA_H	1

#include <features.h>

#define	__need_size_t

#include <stddef.h>

__BEGIN_DECLS

/* Remove any previous definitions.  */

#undef	alloca

/* Allocate a block that will be freed when the calling function exits.  */

extern void *alloca (size_t __size) __THROW;

#ifdef	__GNUC__

# define alloca(size)	__builtin_alloca (size)

#endif /* GCC.  */

__END_DECLS

#endif /* alloca.h */