time.h revision 1.20
1 /* $NetBSD: time.h,v 1.20 1998/07/27 11:09:19 mycroft 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 <machine/ansi.h> 48 #include <machine/limits.h> /* Include file containing CLK_TCK. */ 49 50 #ifndef NULL 51 #define NULL 0 52 #endif 53 54 #ifdef _BSD_CLOCK_T_ 55 typedef _BSD_CLOCK_T_ clock_t; 56 #undef _BSD_CLOCK_T_ 57 #endif 58 59 #ifdef _BSD_TIME_T_ 60 typedef _BSD_TIME_T_ time_t; 61 #undef _BSD_TIME_T_ 62 #endif 63 64 #ifdef _BSD_SIZE_T_ 65 typedef _BSD_SIZE_T_ size_t; 66 #undef _BSD_SIZE_T_ 67 #endif 68 69 #ifdef _BSD_CLOCKID_T_ 70 typedef _BSD_CLOCKID_T_ clockid_t; 71 #undef _BSD_CLOCKID_T_ 72 #endif 73 74 #ifdef _BSD_TIMER_T_ 75 typedef _BSD_TIMER_T_ timer_t; 76 #undef _BSD_TIMER_T_ 77 #endif 78 79 #define CLOCKS_PER_SEC 100 80 81 struct tm { 82 int tm_sec; /* seconds after the minute [0-61] */ 83 int tm_min; /* minutes after the hour [0-59] */ 84 int tm_hour; /* hours since midnight [0-23] */ 85 int tm_mday; /* day of the month [1-31] */ 86 int tm_mon; /* months since January [0-11] */ 87 int tm_year; /* years since 1900 */ 88 int tm_wday; /* days since Sunday [0-6] */ 89 int tm_yday; /* days since January 1 [0-365] */ 90 int tm_isdst; /* Daylight Savings Time flag */ 91 long tm_gmtoff; /* offset from CUT in seconds */ 92 __aconst char *tm_zone; /* timezone abbreviation */ 93 }; 94 95 __BEGIN_DECLS 96 char *asctime __P((const struct tm *)); 97 clock_t clock __P((void)); 98 char *ctime __P((const time_t *)); 99 double difftime __P((time_t, time_t)); 100 struct tm *gmtime __P((const time_t *)); 101 struct tm *localtime __P((const time_t *)); 102 time_t mktime __P((struct tm *)); 103 size_t strftime __P((char *, size_t, const char *, const struct tm *)); 104 time_t time __P((time_t *)); 105 106 #if !defined(_ANSI_SOURCE) 107 #define CLK_TCK 100 108 extern __aconst char *tzname[2]; 109 void tzset __P((void)); 110 #endif /* not ANSI */ 111 112 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 113 char *strptime __P((const char *, const char *, struct tm *)); 114 char *timezone __P((int, int)); 115 void tzsetwall __P((void)); 116 struct tm *offtime __P((const time_t *const, const long)); 117 time_t timelocal __P((struct tm *const)); 118 time_t timegm __P((struct tm *const)); 119 time_t timeoff __P((struct tm *const, const long)); 120 long gtime __P((struct tm *const)); 121 time_t time2posix __P((time_t)); 122 time_t posix2time __P((time_t)); 123 #endif /* neither ANSI nor POSIX */ 124 125 #if (!defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) && \ 126 !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 127 ((_POSIX_C_SOURCE - 0) >= 199309L) 128 #include <sys/time.h> /* for struct timespec */ 129 struct sigevent; 130 struct itimerspec; 131 int clock_getres __P((clockid_t, struct timespec *)); 132 int clock_gettime __P((clockid_t, struct timespec *)); 133 int clock_settime __P((clockid_t, const struct timespec *)); 134 int nanosleep __P((const struct timespec *, struct timespec *)); 135 int timer_create __P((clockid_t, struct sigevent *, timer_t *)); 136 int timer_delete __P((timer_t)); 137 int timer_getoverrun __P((timer_t)); 138 int timer_gettime __P((timer_t, struct itimerspec *)); 139 int timer_settime __P((timer_t, int, const struct itimerspec *, 140 struct itimerspec *)); 141 #endif 142 __END_DECLS 143 144 #endif /* !_TIME_H_ */ 145
Indexes created Mon Sep 29 18:09:42 GMT 2025