time.h revision 25769
11539Srgrimes/* 21539Srgrimes * Copyright (c) 1989, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * (c) UNIX System Laboratories, Inc. 51539Srgrimes * All or some portions of this file are derived from material licensed 61539Srgrimes * to the University of California by American Telephone and Telegraph 71539Srgrimes * Co. or Unix System Laboratories, Inc. and are reproduced herein with 81539Srgrimes * the permission of UNIX System Laboratories, Inc. 91539Srgrimes * 101539Srgrimes * Redistribution and use in source and binary forms, with or without 111539Srgrimes * modification, are permitted provided that the following conditions 121539Srgrimes * are met: 131539Srgrimes * 1. Redistributions of source code must retain the above copyright 141539Srgrimes * notice, this list of conditions and the following disclaimer. 151539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 161539Srgrimes * notice, this list of conditions and the following disclaimer in the 171539Srgrimes * documentation and/or other materials provided with the distribution. 181539Srgrimes * 3. All advertising materials mentioning features or use of this software 191539Srgrimes * must display the following acknowledgement: 201539Srgrimes * This product includes software developed by the University of 211539Srgrimes * California, Berkeley and its contributors. 221539Srgrimes * 4. Neither the name of the University nor the names of its contributors 231539Srgrimes * may be used to endorse or promote products derived from this software 241539Srgrimes * without specific prior written permission. 251539Srgrimes * 261539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 271539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 281539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 291539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 301539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 311539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 321539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 331539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 341539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 351539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 361539Srgrimes * SUCH DAMAGE. 371539Srgrimes * 381539Srgrimes * @(#)time.h 8.3 (Berkeley) 1/21/94 391539Srgrimes */ 401539Srgrimes 411539Srgrimes#ifndef _TIME_H_ 421539Srgrimes#define _TIME_H_ 431539Srgrimes 441539Srgrimes#include <machine/ansi.h> 451539Srgrimes 466164Sbde#ifndef _ANSI_SOURCE 476164Sbde/* 486164Sbde * Frequency of the clock ticks reported by times(). Deprecated - use 496164Sbde * sysconf(_SC_CLK_TCK) instead. 506164Sbde */ 516243Sbde#define CLK_TCK _BSD_CLK_TCK_ 526164Sbde#endif 536164Sbde 546164Sbde/* Frequency of the clock ticks reported by clock(). */ 556164Sbde#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_ 566164Sbde 571539Srgrimes#ifndef NULL 581539Srgrimes#define NULL 0 591539Srgrimes#endif 601539Srgrimes 611539Srgrimes#ifdef _BSD_CLOCK_T_ 621539Srgrimestypedef _BSD_CLOCK_T_ clock_t; 631539Srgrimes#undef _BSD_CLOCK_T_ 641539Srgrimes#endif 651539Srgrimes 661539Srgrimes#ifdef _BSD_TIME_T_ 671539Srgrimestypedef _BSD_TIME_T_ time_t; 681539Srgrimes#undef _BSD_TIME_T_ 691539Srgrimes#endif 701539Srgrimes 7125769Sache#ifdef _BSD_CLOCKID_T_ 7225769Sachetypedef _BSD_CLOCKID_T_ clockid_t; 7325769Sache#undef _BSD_CLOCKID_T_ 7425769Sache#endif 7525769Sache 761539Srgrimes#ifdef _BSD_SIZE_T_ 771539Srgrimestypedef _BSD_SIZE_T_ size_t; 781539Srgrimes#undef _BSD_SIZE_T_ 791539Srgrimes#endif 801539Srgrimes 811539Srgrimesstruct tm { 821539Srgrimes int tm_sec; /* seconds after the minute [0-60] */ 831539Srgrimes int tm_min; /* minutes after the hour [0-59] */ 841539Srgrimes int tm_hour; /* hours since midnight [0-23] */ 851539Srgrimes int tm_mday; /* day of the month [1-31] */ 861539Srgrimes int tm_mon; /* months since January [0-11] */ 871539Srgrimes int tm_year; /* years since 1900 */ 881539Srgrimes int tm_wday; /* days since Sunday [0-6] */ 891539Srgrimes int tm_yday; /* days since January 1 [0-365] */ 901539Srgrimes int tm_isdst; /* Daylight Savings Time flag */ 911539Srgrimes long tm_gmtoff; /* offset from CUT in seconds */ 921539Srgrimes char *tm_zone; /* timezone abbreviation */ 931539Srgrimes}; 941539Srgrimes 951539Srgrimes#include <sys/cdefs.h> 961539Srgrimes 971539Srgrimes__BEGIN_DECLS 981539Srgrimeschar *asctime __P((const struct tm *)); 991539Srgrimesclock_t clock __P((void)); 10025749Speterint clock_getres __P((clockid_t, struct timespec *)); 10125749Speterint clock_gettime __P((clockid_t, struct timespec *)); 10225749Speterint clock_settime __P((clockid_t, const struct timespec *)); 1031539Srgrimeschar *ctime __P((const time_t *)); 1041539Srgrimesdouble difftime __P((time_t, time_t)); 1051539Srgrimesstruct tm *gmtime __P((const time_t *)); 1061539Srgrimesstruct tm *localtime __P((const time_t *)); 1071539Srgrimestime_t mktime __P((struct tm *)); 10825749Speterint nanosleep __P((const struct timespec *, struct timespec *)); 1091539Srgrimessize_t strftime __P((char *, size_t, const char *, const struct tm *)); 1101539Srgrimestime_t time __P((time_t *)); 1111539Srgrimes 11213545Sjulian#ifdef _THREAD_SAFE 11313545Sjulianint asctime_r __P((const struct tm *, char *, int)); 11419639Shsuint ctime_r __P((const time_t *, char *, int)); 11519639Shsustruct tm *gmtime_r __P((const time_t *, struct tm *)); 11619639Shsustruct tm *localtime_r __P((const time_t *, struct tm *)); 11713545Sjulian#endif 11813545Sjulian 1191539Srgrimes#ifndef _ANSI_SOURCE 1201539Srgrimesvoid tzset __P((void)); 1211539Srgrimes#endif /* not ANSI */ 1221539Srgrimes 1231539Srgrimes#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 1241539Srgrimeschar *timezone __P((int, int)); 1251539Srgrimesvoid tzsetwall __P((void)); 1265231Sachetime_t timelocal __P((struct tm * const)); 1275231Sachetime_t timegm __P((struct tm * const)); 1281539Srgrimes#endif /* neither ANSI nor POSIX */ 1291539Srgrimes__END_DECLS 1301539Srgrimes 1311539Srgrimes#endif /* !_TIME_H_ */ 132