/* Copyright (C) 1992-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _ALLOCA_H
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#define _ALLOCA_H 1
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#include <features.h>
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#define __need_size_t
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#include <stddef.h>
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__BEGIN_DECLS
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/* Remove any previous definition. */
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#undef alloca
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/* Allocate a block that will be freed when the calling function exits. */
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extern void *alloca (size_t __size) __THROW;
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#ifdef __GNUC__
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# define alloca(size) __builtin_alloca (size)
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#endif /* GCC. */
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__END_DECLS
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#endif /* alloca.h */
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