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- /* $OpenBSD: stdbool.h,v 1.5 2010/07/24 22:17:03 guenther Exp $ */
- /*
- * Written by Marc Espie, September 25, 1999
- * Public domain.
- */
- #ifndef _STDBOOL_H_
- #define _STDBOOL_H_
- #ifndef __cplusplus
- #ifndef __GNUC__
- /* Support for _C99: type _Bool is already built-in. */
- /* `_Bool' type must promote to `int' or `unsigned int'. */
- typedef enum {
- false = 0,
- true = 1
- } _Bool;
- /* And those constants must also be available as macros. */
- # define false false
- # define true true
- #else /* __GNUC__ */
- # define false 0
- # define true 1
- #endif
- /* User visible type `bool' is provided as a macro which may be redefined */
- #define bool _Bool
- #else /* __cplusplus */
- # define _Bool bool
- # define bool bool
- # define false false
- # define true true
- #endif
- /* Inform that everything is fine */
- #define __bool_true_false_are_defined 1
- #endif /* _STDBOOL_H_ */
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