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1/*===---- stdbool.h - Standard header for booleans -------------------------===
2 *
3 * Copyright (c) 2008 Eli Friedman
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 * THE SOFTWARE.
22 *
23 *===-----------------------------------------------------------------------===
24 */
25
26#ifndef __STDBOOL_H
27#define __STDBOOL_H
28
29/* Don't define bool, true, and false in C++, except as a GNU extension. */
30#ifndef __cplusplus
31#if defined(_MSC_VER) && _MSC_VER <= 1600
32#define bool unsigned char
33#else
34#define bool _Bool
35#endif
36#define true 1
37#define false 0
38#elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
39/* Define _Bool as a GNU extension. */
40#define _Bool bool
41#if __cplusplus < 201103L
42/* For C++98, define bool, false, true as a GNU extension. */
43#define bool bool
44#define false false
45#define true true
46#endif
47#endif
48
49#define __bool_true_false_are_defined 1
50
51#endif /* __STDBOOL_H */