1 /* Copyright (C) 1998, 1999, 2000 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 2, 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 You should have received a copy of the GNU General Public License 16 along with GCC; see the file COPYING. If not, write to 17 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 18 Boston, MA 02110-1301, USA. */ 19 20 /* As a special exception, if you include this header file into source 21 files compiled by GCC, this header file does not by itself cause 22 the resulting executable to be covered by the GNU General Public 23 License. This exception does not however invalidate any other 24 reasons why the executable file might be covered by the GNU General 25 Public License. */ 26 27 /* 28 * ISO C Standard: 7.16 Boolean type and values <stdbool.h> 29 */ 30 31 #ifndef _STDBOOL_H 32 #define _STDBOOL_H 33 34 #ifndef __cplusplus 35 36 #define bool _Bool 37 #define true 1 38 #define false 0 39 40 #else /* __cplusplus */ 41 42 /* Supporting <stdbool.h> in C++ is a GCC extension. */ 43 #define _Bool bool 44 #define bool bool 45 #define false false 46 #define true true 47 48 #endif /* __cplusplus */ 49 50 /* Signal that all the definitions are present. */ 51 #define __bool_true_false_are_defined 1 52 53 #endif /* stdbool.h */ 54