modernc.org/cc@v1.0.1/v2/headers/linux_386/usr/include/alloca.h (about) 1 /* Copyright (C) 1992-2018 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, see 16 <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _ALLOCA_H 19 #define _ALLOCA_H 1 20 21 #include <features.h> 22 23 #define __need_size_t 24 #include <stddef.h> 25 26 __BEGIN_DECLS 27 /* Remove any previous definitions. */ 28 #undef alloca 29 /* Allocate a block that will be freed when the calling function exits. */ 30 extern void *alloca(size_t __size) __THROW; 31 32 #ifdef __GNUC__ 33 # define alloca(size) __builtin_alloca (size) 34 #endif /* GCC. */ 35 36 __END_DECLS 37 #endif /* alloca.h */