1 /* $NetBSD: time.h,v 1.14 1997/11/02 18:31:38 kleink Exp $ */ 2 3 /* 4 * Copyright (c) 1989 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * (c) UNIX System Laboratories, Inc. 8 * All or some portions of this file are derived from material licensed 9 * to the University of California by American Telephone and Telegraph 10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 11 * the permission of UNIX System Laboratories, Inc. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)time.h 5.12 (Berkeley) 3/9/91 42 */ 43 44 #ifndef _TIME_H_ 45 #define _TIME_H_ 46 47 #include <machine/ansi.h> 48 49 #ifndef NULL 50 #define NULL 0 51 #endif 52 53 #ifdef _BSD_CLOCK_T_ 54 typedef _BSD_CLOCK_T_ clock_t; 55 #undef _BSD_CLOCK_T_ 56 #endif 57 58 #ifdef _BSD_TIME_T_ 59 typedef _BSD_TIME_T_ time_t; 60 #undef _BSD_TIME_T_ 61 #endif 62 63 #ifdef _BSD_SIZE_T_ 64 typedef _BSD_SIZE_T_ size_t; 65 #undef _BSD_SIZE_T_ 66 #endif 67 68 #ifdef _BSD_CLOCKID_T_ 69 typedef _BSD_CLOCKID_T_ clockid_t; 70 #undef _BSD_CLOCKID_T_ 71 #endif 72 73 #ifdef _BSD_TIMER_T_ 74 typedef _BSD_TIMER_T_ timer_t; 75 #undef _BSD_TIMER_T_ 76 #endif 77 78 #define CLOCKS_PER_SEC 100 79 80 struct tm { 81 int tm_sec; /* seconds after the minute [0-61] */ 82 int tm_min; /* minutes after the hour [0-59] */ 83 int tm_hour; /* hours since midnight [0-23] */ 84 int tm_mday; /* day of the month [1-31] */ 85 int tm_mon; /* months since January [0-11] */ 86 int tm_year; /* years since 1900 */ 87 int tm_wday; /* days since Sunday [0-6] */ 88 int tm_yday; /* days since January 1 [0-365] */ 89 int tm_isdst; /* Daylight Savings Time flag */ 90 long tm_gmtoff; /* offset from CUT in seconds */ 91 char *tm_zone; /* timezone abbreviation */ 92 }; 93 94 #include <sys/cdefs.h> 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 char *tzname[2]; 110 void tzset __P((void)); 111 #endif /* not ANSI */ 112 113 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 114 char *strptime __P((const char *, const char *, struct tm *)); 115 char *timezone __P((int, int)); 116 void tzsetwall __P((void)); 117 struct tm *offtime __P((const time_t *const, const long)); 118 time_t timelocal __P((struct tm *const)); 119 time_t timegm __P((struct tm *const)); 120 time_t timeoff __P((struct tm *const, const long)); 121 long gtime __P((struct tm *const)); 122 time_t time2posix __P((time_t)); 123 time_t posix2time __P((time_t)); 124 #endif /* neither ANSI nor POSIX */ 125 126 #if (!defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) && \ 127 !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 128 ((_POSIX_C_SOURCE - 0) >= 199309L) 129 #include <sys/time.h> /* for struct timespec */ 130 struct sigevent; 131 struct itimerspec; 132 int clock_getres __P((clockid_t, struct timespec *)); 133 int clock_gettime __P((clockid_t, struct timespec *)); 134 int clock_settime __P((clockid_t, const struct timespec *)); 135 int nanosleep __P((const struct timespec *, struct timespec *)); 136 int timer_create __P((clockid_t, struct sigevent *, timer_t *)); 137 int timer_delete __P((timer_t)); 138 int timer_getoverrun __P((timer_t)); 139 int timer_gettime __P((timer_t, struct itimerspec *)); 140 int timer_settime __P((timer_t, int, const struct itimerspec *, 141 struct itimerspec *)); 142 #endif 143 __END_DECLS 144 145 #endif /* !_TIME_H_ */ 146