Edit: alloca.h
/* 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 */
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