40 lines · c
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-exception6 *7 *===-----------------------------------------------------------------------===8 */9 10#ifndef __STDBOOL_H11#define __STDBOOL_H12 13#define __bool_true_false_are_defined 114 15#if defined(__MVS__) && __has_include_next(<stdbool.h>)16#include_next <stdbool.h>17#else18 19#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 201710L20/* FIXME: We should be issuing a deprecation warning here, but cannot yet due21 * to system headers which include this header file unconditionally.22 */23#elif !defined(__cplusplus)24#define bool _Bool25#define true 126#define false 027#elif defined(__GNUC__) && !defined(__STRICT_ANSI__)28/* Define _Bool as a GNU extension. */29#define _Bool bool30#if defined(__cplusplus) && __cplusplus < 201103L31/* For C++98, define bool, false, true as a GNU extension. */32#define bool bool33#define false false34#define true true35#endif36#endif37 38#endif /* __MVS__ */39#endif /* __STDBOOL_H */40