xref: /titanic_52/usr/src/lib/libbc/inc/5include/time.h (revision b819cea2f73f98c5662230cc9affc8cc84f77fcf)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1987 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*      Copyright (c) 1984 AT&T */
28 /*        All Rights Reserved   */
29 
30 #ifndef	__5include_time_h
31 #define	__5include_time_h
32 
33 #pragma ident	"%Z%%M%	%I%	%E% SMI"
34 
35 #include <sys/stdtypes.h>
36 
37 #ifndef NULL
38 #define	NULL	0
39 #endif
40 
41 struct	tm {	/* see ctime(3) */
42 	int	tm_sec;
43 	int	tm_min;
44 	int	tm_hour;
45 	int	tm_mday;
46 	int	tm_mon;
47 	int	tm_year;
48 	int	tm_wday;
49 	int	tm_yday;
50 	int	tm_isdst;
51 	char	*tm_zone;
52 	long	tm_gmtoff;
53 };
54 
55 /*
56  * Following 2 lines are required to make CLK_TCK work.
57  * If they change here they have to change in <sys/unistd.h> as well.
58  */
59 extern long	sysconf(/* int name */);
60 #define	_SC_CLK_TCK	3	/* clock ticks/sec */
61 /*
62  * POSIX.1 uses CLK_TCK to specify units used by times(3).
63  * POSIX.1a doesn't use a name for this and says CLK_TCK is obsolescent, but
64  * we'll probably have to support it for a long time.
65  */
66 #define	CLK_TCK		(sysconf(_SC_CLK_TCK))
67 /* 881207 ANSI C draft uses CLOCKS_PER_SEC to specify units used by clock(3). */
68 #define	CLOCKS_PER_SEC	1000000L
69 
70 extern char *	asctime(/* const struct tm *t */);
71 extern char *	ctime(/* const time_t *t */);
72 extern struct tm * gmtime(/* const time_t *t */);
73 extern struct tm * localtime(/* const time_t *t */);
74 extern time_t	mktime(/* struct tm *timeptr */);
75 extern size_t	strftime(/* char *s, size_t maxsize, const char *format,
76 		    const struct tm *timeptr */);
77 extern time_t	time(/* time_t *t */);
78 extern void	tzset(/* void */);
79 
80 extern char	*tzname[];
81 #ifndef	_POSIX_SOURCE
82 extern int	daylight;
83 extern long	timezone;
84 extern void	tzsetwall(/* void */);
85 #endif	/* !_POSIX_SOURCE */
86 
87 #endif	/* !__5include_time_h */
88