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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 #define bool _Bool | |
| 32 #define true 1 | |
| 33 #define false 0 | |
| 34 #elif defined(__GNUC__) && !defined(__STRICT_ANSI__) | |
| 35 /* Define _Bool, bool, false, true as a GNU extension. */ | |
| 36 #define _Bool bool | |
| 37 #define bool bool | |
| 38 #define false false | |
| 39 #define true true | |
| 40 #endif | |
| 41 | |
| 42 #define __bool_true_false_are_defined 1 | |
| 43 | |
| 44 #endif /* __STDBOOL_H */ | |
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