xref: /titanic_44/usr/src/head/stdbool.h (revision eec1faa811b20b01f0173edcf9179c3c6ad48243)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _STDBOOL_H
28 #define	_STDBOOL_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * Included for alignment with the ISO/IEC 9899:1999 standard. The
34  * contents of this header are only visible when using a c99
35  * compiler.
36  *
37  * Note that the ability to undefine and redefine the macros bool,
38  * true, and false  is an obsolescent feature which may be withdrawn
39  * in a future version of the standards specifications.
40  */
41 
42 #include <sys/feature_tests.h>
43 
44 #if defined(_STDC_C99)
45 
46 #undef	bool
47 #undef	true
48 #undef	false
49 
50 #define	bool	_Bool
51 #define	true	1
52 #define	false	0
53 
54 #define	__bool_true_false_are_defined	1
55 
56 #endif /* _STDC_C99 */
57 
58 #endif /* _STDBOOL_H */
59