1 /* $OpenBSD: time.h,v 1.18 2006/01/06 18:53:04 millert Exp $ */ 2 /* $NetBSD: time.h,v 1.9 1994/10/26 00:56:35 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1989 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * (c) UNIX System Laboratories, Inc. 9 * All or some portions of this file are derived from material licensed 10 * to the University of California by American Telephone and Telegraph 11 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 12 * the permission of UNIX System Laboratories, Inc. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. 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. 25 * 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 36 * SUCH DAMAGE. 37 * 38 * @(#)time.h 5.12 (Berkeley) 3/9/91 39 */ 40 41 #ifndef _TIME_H_ 42 #define _TIME_H_ 43 44 #include <sys/cdefs.h> 45 #include <machine/_types.h> 46 47 #ifndef NULL 48 #ifdef __GNUG__ 49 #define NULL __null 50 #else 51 #define NULL 0L 52 #endif 53 #endif 54 55 #ifndef _CLOCK_T_DEFINED_ 56 #define _CLOCK_T_DEFINED_ 57 typedef __clock_t clock_t; 58 #endif 59 60 #ifndef _TIME_T_DEFINED_ 61 #define _TIME_T_DEFINED_ 62 typedef __time_t time_t; 63 #endif 64 65 #ifndef _SIZE_T_DEFINED_ 66 #define _SIZE_T_DEFINED_ 67 typedef __size_t size_t; 68 #endif 69 70 #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 71 /* 72 * Frequency of the clock ticks reported by times(). Deprecated - use 73 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 74 */ 75 #define CLK_TCK 100 76 #endif 77 78 #define CLOCKS_PER_SEC 100 /* frequency of ticks reported by clock(). */ 79 80 #ifndef _TIMESPEC_DECLARED 81 #define _TIMESPEC_DECLARED 82 struct timespec { 83 time_t tv_sec; /* seconds */ 84 long tv_nsec; /* and nanoseconds */ 85 }; 86 #endif 87 88 struct tm { 89 int tm_sec; /* seconds after the minute [0-60] */ 90 int tm_min; /* minutes after the hour [0-59] */ 91 int tm_hour; /* hours since midnight [0-23] */ 92 int tm_mday; /* day of the month [1-31] */ 93 int tm_mon; /* months since January [0-11] */ 94 int tm_year; /* years since 1900 */ 95 int tm_wday; /* days since Sunday [0-6] */ 96 int tm_yday; /* days since January 1 [0-365] */ 97 int tm_isdst; /* Daylight Saving Time flag */ 98 long tm_gmtoff; /* offset from UTC in seconds */ 99 char *tm_zone; /* timezone abbreviation */ 100 }; 101 102 __BEGIN_DECLS 103 struct timespec; 104 char *asctime(const struct tm *); 105 clock_t clock(void); 106 char *ctime(const time_t *); 107 double difftime(time_t, time_t); 108 struct tm *gmtime(const time_t *); 109 struct tm *localtime(const time_t *); 110 time_t mktime(struct tm *); 111 size_t strftime(char *, size_t, const char *, const struct tm *) 112 __attribute__ ((__bounded__(__string__,1,2))); 113 char *strptime(const char *, const char *, struct tm *); 114 time_t time(time_t *); 115 char *asctime_r(const struct tm *, char *) 116 __attribute__ ((__bounded__(__minbytes__,2,26))); 117 char *ctime_r(const time_t *, char *) 118 __attribute__ ((__bounded__(__minbytes__,2,26))); 119 struct tm *gmtime_r(const time_t *, struct tm *); 120 struct tm *localtime_r(const time_t *, struct tm *); 121 int nanosleep(const struct timespec *, struct timespec *); 122 123 #if __POSIX_VISIBLE 124 extern char *tzname[2]; 125 void tzset(void); 126 #endif 127 128 #if __BSD_VISIBLE 129 char *timezone(int, int); 130 void tzsetwall(void); 131 time_t timelocal(struct tm *); 132 time_t timegm(struct tm *); 133 time_t timeoff(struct tm *, const long); 134 #endif 135 __END_DECLS 136 137 #endif /* !_TIME_H_ */ 138