2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * @(#)time.h 8.3 (Berkeley) 1/21/94
48 #include <sys/cdefs.h>
49 #include <machine/ansi.h>
51 #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE
53 * Frequency of the clock ticks reported by times(). Deprecated - use
54 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.)
56 #define CLK_TCK _BSD_CLK_TCK_
59 /* Frequency of the clock ticks reported by clock(). */
60 #define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_
67 typedef _BSD_CLOCK_T_ clock_t;
72 typedef _BSD_TIME_T_ time_t;
77 typedef _BSD_SIZE_T_ size_t;
81 #if __POSIX_VISIBLE >= 199309
83 * New in POSIX 1003.1b-1993.
85 #ifdef _BSD_CLOCKID_T_
86 typedef _BSD_CLOCKID_T_ clockid_t;
87 #undef _BSD_CLOCKID_T_
91 typedef _BSD_TIMER_T_ timer_t;
95 #include <sys/timespec.h>
96 #endif /* __POSIX_VISIBLE >= 199309 */
99 int tm_sec; /* seconds after the minute [0-60] */
100 int tm_min; /* minutes after the hour [0-59] */
101 int tm_hour; /* hours since midnight [0-23] */
102 int tm_mday; /* day of the month [1-31] */
103 int tm_mon; /* months since January [0-11] */
104 int tm_year; /* years since 1900 */
105 int tm_wday; /* days since Sunday [0-6] */
106 int tm_yday; /* days since January 1 [0-365] */
107 int tm_isdst; /* Daylight Savings Time flag */
108 long tm_gmtoff; /* offset from UTC in seconds */
109 char *tm_zone; /* timezone abbreviation */
113 extern char *tzname[];
117 char *asctime(const struct tm *);
119 char *ctime(const time_t *);
120 double difftime(time_t, time_t);
121 struct tm *gmtime(const time_t *);
122 struct tm *localtime(const time_t *);
123 time_t mktime(struct tm *);
124 size_t strftime(char *, size_t, const char *, const struct tm *);
125 time_t time(time_t *);
130 /* XXX - figure out which standard introduced these */
131 char *asctime_r(const struct tm *, char *);
132 char *ctime_r(const time_t *, char *);
133 struct tm *gmtime_r(const time_t *, struct tm *);
134 struct tm *localtime_r(const time_t *, struct tm *);
138 char *strptime(const char *, const char *, struct tm *);
142 char *timezone(int, int);
143 void tzsetwall(void);
144 time_t timelocal(struct tm * const);
145 time_t timegm(struct tm * const);
146 #endif /* __BSD_VISIBLE */
148 #if __POSIX_VISIBLE >= 199309
149 /* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
150 int clock_getres(clockid_t, struct timespec *);
151 int clock_gettime(clockid_t, struct timespec *);
152 int clock_settime(clockid_t, const struct timespec *);
153 int nanosleep(const struct timespec *, struct timespec *);
154 #endif /* __POSIX_VISIBLE >= 199309 */
157 #endif /* !_TIME_H_ */