/* 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 */