time.h revision 1.7
1/* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * (c) UNIX System Laboratories, Inc. 6 * All or some portions of this file are derived from material licensed 7 * to the University of California by American Telephone and Telegraph 8 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 9 * the permission of UNIX System Laboratories, Inc. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * from: @(#)time.h 5.12 (Berkeley) 3/9/91 40 * $Id: time.h,v 1.7 1994/05/16 10:59:01 cgd Exp $ 41 */ 42 43#ifndef _TIME_H_ 44#define _TIME_H_ 45 46#include <machine/ansi.h> 47 48#ifndef NULL 49#define NULL 0 50#endif 51 52#ifdef _CLOCK_T_ 53typedef _CLOCK_T_ clock_t; 54#undef _CLOCK_T_ 55#endif 56 57#ifdef _TIME_T_ 58typedef _TIME_T_ time_t; 59#undef _TIME_T_ 60#endif 61 62#ifdef _SIZE_T_ 63typedef _SIZE_T_ size_t; 64#undef _SIZE_T_ 65#endif 66 67#define CLOCKS_PER_SEC 100 68 69struct tm { 70 int tm_sec; /* seconds after the minute [0-60] */ 71 int tm_min; /* minutes after the hour [0-59] */ 72 int tm_hour; /* hours since midnight [0-23] */ 73 int tm_mday; /* day of the month [1-31] */ 74 int tm_mon; /* months since January [0-11] */ 75 int tm_year; /* years since 1900 */ 76 int tm_wday; /* days since Sunday [0-6] */ 77 int tm_yday; /* days since January 1 [0-365] */ 78 int tm_isdst; /* Daylight Savings Time flag */ 79 long tm_gmtoff; /* offset from CUT in seconds */ 80 char *tm_zone; /* timezone abbreviation */ 81}; 82 83#include <sys/cdefs.h> 84 85__BEGIN_DECLS 86char *asctime __P((const struct tm *)); 87clock_t clock __P((void)); 88char *ctime __P((const time_t *)); 89double difftime __P((time_t, time_t)); 90struct tm *gmtime __P((const time_t *)); 91struct tm *localtime __P((const time_t *)); 92time_t mktime __P((struct tm *)); 93size_t strftime __P((char *, size_t, const char *, const struct tm *)); 94time_t time __P((time_t *)); 95 96#if !defined(_ANSI_SOURCE) 97#define CLK_TCK 100 98extern char *tzname[2]; 99void tzset __P((void)); 100#endif /* not ANSI */ 101 102#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 103char *timezone __P((int, int)); 104void tzsetwall __P((void)); 105#endif /* neither ANSI nor POSIX */ 106__END_DECLS 107 108#endif /* !_TIME_H_ */ 109