blob: 077c12ae441c6ff3407b81b35c1fbee5009f24e7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* $OpenBSD: stdbool.h,v 1.7 2015/09/04 23:47:09 daniel Exp $ */
/*
* Written by Marc Espie, September 25, 1999
* Public domain.
*/
#ifndef _STDBOOL_H_
#define _STDBOOL_H_
#ifndef __cplusplus
#if defined(__GNUC__) || \
(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901)
/* Support for C99: type _Bool is already built-in. */
#define false 0
#define true 1
#else
/* `_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
#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 /* __cplusplus */
/* Inform that everything is fine */
#define __bool_true_false_are_defined 1
#endif /* _STDBOOL_H_ */
|
