time.h revision 1.21
1 /* $NetBSD: time.h,v 1.21 1998/09/10 18:37:28 kleink Exp $ */ 2 3 /* 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)time.h 8.3 (Berkeley) 1/21/94 41 */ 42 43 #ifndef _TIME_H_ 44 #define _TIME_H_ 45 46 #include <sys/cdefs.h> 47 #include <sys/featuretest.h> 48 #include <machine/ansi.h> 49 #include <machine/limits.h> /* Include file containing CLK_TCK. */ 50 51 #ifndef NULL 52 #define NULL 0 53 #endif 54 55 #ifdef _BSD_CLOCK_T_ 56 typedef _BSD_CLOCK_T_ clock_t; 57 #undef _BSD_CLOCK_T_ 58 #endif 59 60 #ifdef _BSD_TIME_T_ 61 typedef _BSD_TIME_T_ time_t; 62 #undef _BSD_TIME_T_ 63 #endif 64 65 #ifdef _BSD_SIZE_T_ 66 typedef _BSD_SIZE_T_ size_t; 67 #undef _BSD_SIZE_T_ 68 #endif 69 70 #ifdef _BSD_CLOCKID_T_ 71 typedef _BSD_CLOCKID_T_ clockid_t; 72 #undef _BSD_CLOCKID_T_ 73 #endif 74 75 #ifdef _BSD_TIMER_T_ 76 typedef _BSD_TIMER_T_ timer_t; 77 #undef _BSD_TIMER_T_ 78 #endif 79 80 #define CLOCKS_PER_SEC 100 81 82 struct tm { 83 int tm_sec; /* seconds after the minute [0-61] */ 84 int tm_min; /* minutes after the hour [0-59] */ 85 int tm_hour; /* hours since midnight [0-23] */ 86 int tm_mday; /* day of the month [1-31] */ 87 int tm_mon; /* months since January [0-11] */ 88 int tm_year; /* years since 1900 */ 89 int tm_wday; /* days since Sunday [0-6] */ 90 int tm_yday; /* days since January 1 [0-365] */ 91 int tm_isdst; /* Daylight Savings Time flag */ 92 long tm_gmtoff; /* offset from CUT in seconds */ 93 __aconst char *tm_zone; /* timezone abbreviation */ 94 }; 95 96 __BEGIN_DECLS 97 char *asctime __P((const struct tm *)); 98 clock_t clock __P((void)); 99 char *ctime __P((const time_t *)); 100 double difftime __P((time_t, time_t)); 101 struct tm *gmtime __P((const time_t *)); 102 struct tm *localtime __P((const time_t *)); 103 time_t mktime __P((struct tm *)); 104 size_t strftime __P((char *, size_t, const char *, const struct tm *)); 105 time_t time __P((time_t *)); 106 107 #if !defined(_ANSI_SOURCE) 108 #define CLK_TCK 100 109 extern __aconst char *tzname[2]; 110 void tzset __P((void)); 111 112 /* 113 * X/Open Portability Guide >= Issue 4 114 */ 115 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 116 (_XOPEN_SOURCE - 0) >= 4 117 char *strptime __P((const char *, const char *, struct tm *)); 118 #endif 119 120 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 121 (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 122 #include <sys/time.h> /* XXX for struct timespec */ 123 struct sigevent; 124 struct itimerspec; 125 int clock_getres __P((clockid_t, struct timespec *)); 126 int clock_gettime __P((clockid_t, struct timespec *)); 127 int clock_settime __P((clockid_t, const struct timespec *)); 128 int nanosleep __P((const struct timespec *, struct timespec *)); 129 int timer_create __P((clockid_t, struct sigevent *, timer_t *)); 130 int timer_delete __P((timer_t)); 131 int timer_getoverrun __P((timer_t)); 132 int timer_gettime __P((timer_t, struct itimerspec *)); 133 int timer_settime __P((timer_t, int, const struct itimerspec *, 134 struct itimerspec *)); 135 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */ 136 137 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 138 (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 139 defined(_REENTRANT) 140 char *asctime_r __P((const struct tm *, char *)); 141 char *ctime_r __P((const time_t *, char *)); 142 struct tm *gmtime_r __P((const time_t *, struct tm *)); 143 struct tm *localtime_r __P((const time_t *, struct tm *)); 144 #endif 145 146 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) 147 time_t time2posix __P((time_t)); 148 time_t posix2time __P((time_t)); 149 time_t timegm __P((struct tm *const)); 150 time_t timeoff __P((struct tm *const, const long)); 151 long gtime __P((struct tm *const)); 152 time_t timelocal __P((struct tm *const)); 153 char *timezone __P((int, int)); 154 void tzsetwall __P((void)); 155 struct tm *offtime __P((const time_t *const, const long)); 156 #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */ 157 158 #endif /* !_ANSI_SOURCE */ 159 __END_DECLS 160 161 #endif /* !_TIME_H_ */ 162
Indexes created Mon Sep 29 21:09:56 GMT 2025