xref: /386bsd/usr/src/include/time.h (revision a2142627)
1 /*
2  * Copyright (c) 1989 The Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * $Id: time.h,v 1.1 94/10/20 00:53:48 bill Exp $
34  */
35 
36 #ifndef _TIME_H_
37 #define	_TIME_H_
38 
39 #include <machine/ansi.h>
40 
41 #ifndef	NULL
42 #define	NULL	0
43 #endif
44 
45 #ifdef	_CLOCK_T_
46 typedef	_CLOCK_T_	clock_t;
47 #undef	_CLOCK_T_
48 #endif
49 
50 #ifdef	_TIME_T_
51 typedef	_TIME_T_	time_t;
52 #undef	_TIME_T_
53 #endif
54 
55 #ifdef	_SIZE_T_
56 typedef	_SIZE_T_	size_t;
57 #undef	_SIZE_T_
58 #endif
59 
60 struct tm {
61 	int	tm_sec;		/* seconds after the minute [0-60] */
62 	int	tm_min;		/* minutes after the hour [0-59] */
63 	int	tm_hour;	/* hours since midnight [0-23] */
64 	int	tm_mday;	/* day of the month [1-31] */
65 	int	tm_mon;		/* months since January [0-11] */
66 	int	tm_year;	/* years since 1900 */
67 	int	tm_wday;	/* days since Sunday [0-6] */
68 	int	tm_yday;	/* days since January 1 [0-365] */
69 	int	tm_isdst;	/* Daylight Savings Time flag */
70 	long	tm_gmtoff;	/* offset from CUT in seconds */
71 	char	*tm_zone;	/* timezone abbreviation */
72 };
73 
74 #include <sys/cdefs.h>
75 
76 __BEGIN_DECLS
77 char *asctime __P((const struct tm *));
78 clock_t clock __P((void));
79 char *ctime __P((const time_t *));
80 double difftime __P((time_t, time_t));
81 struct tm *gmtime __P((const time_t *));
82 struct tm *localtime __P((const time_t *));
83 time_t mktime __P((struct tm *));
84 size_t strftime __P((char *, size_t, const char *, const struct tm *));
85 time_t time __P((time_t *));
86 
87 #ifndef _ANSI_SOURCE
88 void tzset __P((void));
89 #endif /* not ANSI */
90 
91 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
92 char *timezone __P((int, int));
93 void tzsetwall __P((void));
94 #endif /* neither ANSI nor POSIX */
95 __END_DECLS
96 
97 #endif /* !_TIME_H_ */
98