1 /* Copyright (C) 1998-2018 Free Software Foundation, Inc. 2 3 This file is part of GCC. 4 5 GCC is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 GCC is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 Under Section 7 of GPL version 3, you are granted additional 16 permissions described in the GCC Runtime Library Exception, version 17 3.1, as published by the Free Software Foundation. 18 19 You should have received a copy of the GNU General Public License and 20 a copy of the GCC Runtime Library Exception along with this program; 21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 22 <http://www.gnu.org/licenses/>. */ 23 24 /* 25 * ISO C Standard: 7.16 Boolean type and values <stdbool.h> 26 */ 27 28 #ifndef _STDBOOL_H 29 #define _STDBOOL_H 30 31 #ifndef __cplusplus 32 33 #define bool _Bool 34 #define true 1 35 #define false 0 36 37 #else /* __cplusplus */ 38 39 /* Supporting _Bool in C++ is a GCC extension. */ 40 #define _Bool bool 41 42 #if __cplusplus < 201103L 43 /* Defining these macros in C++98 is a GCC extension. */ 44 #define bool bool 45 #define false false 46 #define true true 47 #endif 48 49 #endif /* __cplusplus */ 50 51 /* Signal that all the definitions are present. */ 52 #define __bool_true_false_are_defined 1 53 54 #endif /* stdbool.h */ 55