55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/*
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* Copyright (c) 2000 Jeroen Ruigrok van der Werven <asmodai@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/* This should be compliant with the ANSI C99 definition */
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#ifndef _STDBOOL_H_
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#define _STDBOOL_H_
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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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/* User visible type `bool' is provided as a macro which may be redefined */
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#define bool _Bool
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/* Inform that everything is fine */
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#define __bool_true_false_are_defined 1
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#if __STDC_VERSION__ < 199901L
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typedef int _Bool; /* not built into pre-C99 compilers */
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#endif
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#endif /* _STDBOOL_H_ */
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