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      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 /* Don't define bool, true, and false in C++, except as a GNU extension. */
     14 #ifndef __cplusplus
     15 #define bool _Bool
     16 #define true 1
     17 #define false 0
     18 #elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
     19 /* Define _Bool as a GNU extension. */
     20 #define _Bool bool
     21 #if __cplusplus < 201103L
     22 /* For C++98, define bool, false, true as a GNU extension. */
     23 #define bool  bool
     24 #define false false
     25 #define true  true
     26 #endif
     27 #endif
     28 
     29 #define __bool_true_false_are_defined 1
     30 
     31 #endif /* __STDBOOL_H */
     32