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