stdbool.h (1172B) - Raw
1 /*===---- stdbool.h - Standard header for booleans -------------------------=== 2 * 3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 * See https://llvm.org/LICENSE.txt for license information. 5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 * 7 *===-----------------------------------------------------------------------=== 8 */ 9 10 #ifndef __STDBOOL_H 11 #define __STDBOOL_H 12 13 #define __bool_true_false_are_defined 1 14 15 #if defined(__MVS__) && __has_include_next(<stdbool.h>) 16 #include_next <stdbool.h> 17 #else 18 19 #if defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L 20 /* FIXME: We should be issuing a deprecation warning here, but cannot yet due 21 * to system headers which include this header file unconditionally. 22 */ 23 #elif !defined(__cplusplus) 24 #define bool _Bool 25 #define true 1 26 #define false 0 27 #elif defined(__GNUC__) && !defined(__STRICT_ANSI__) 28 /* Define _Bool as a GNU extension. */ 29 #define _Bool bool 30 #if defined(__cplusplus) && __cplusplus < 201103L 31 /* For C++98, define bool, false, true as a GNU extension. */ 32 #define bool bool 33 #define false false 34 #define true true 35 #endif 36 #endif 37 38 #endif /* __MVS__ */ 39 #endif /* __STDBOOL_H */