1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)time.h 8.3 (Berkeley) 1/21/94 39 */ 40 41 #ifndef _TIME_H_ 42 #define _TIME_H_ 43 44 #include <machine/ansi.h> 45 46 #ifndef _ANSI_SOURCE 47 /* 48 * Frequency of the clock ticks reported by times(). Deprecated - use 49 * sysconf(_SC_CLK_TCK) instead. 50 */ 51 #define CLK_TCK _BSD_CLK_TCK_ 52 #endif 53 54 /* Frequency of the clock ticks reported by clock(). */ 55 #define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_ 56 57 #ifndef NULL 58 #define NULL 0 59 #endif 60 61 #ifdef _BSD_CLOCK_T_ 62 typedef _BSD_CLOCK_T_ clock_t; 63 #undef _BSD_CLOCK_T_ 64 #endif 65 66 #ifdef _BSD_TIME_T_ 67 typedef _BSD_TIME_T_ time_t; 68 #undef _BSD_TIME_T_ 69 #endif 70 71 #ifdef _BSD_SIZE_T_ 72 typedef _BSD_SIZE_T_ size_t; 73 #undef _BSD_SIZE_T_ 74 #endif 75 76 struct tm { 77 int tm_sec; /* seconds after the minute [0-60] */ 78 int tm_min; /* minutes after the hour [0-59] */ 79 int tm_hour; /* hours since midnight [0-23] */ 80 int tm_mday; /* day of the month [1-31] */ 81 int tm_mon; /* months since January [0-11] */ 82 int tm_year; /* years since 1900 */ 83 int tm_wday; /* days since Sunday [0-6] */ 84 int tm_yday; /* days since January 1 [0-365] */ 85 int tm_isdst; /* Daylight Savings Time flag */ 86 long tm_gmtoff; /* offset from CUT in seconds */ 87 char *tm_zone; /* timezone abbreviation */ 88 }; 89 90 #include <sys/cdefs.h> 91 92 __BEGIN_DECLS 93 char *asctime __P((const struct tm *)); 94 clock_t clock __P((void)); 95 char *ctime __P((const time_t *)); 96 double difftime __P((time_t, time_t)); 97 struct tm *gmtime __P((const time_t *)); 98 struct tm *localtime __P((const time_t *)); 99 time_t mktime __P((struct tm *)); 100 size_t strftime __P((char *, size_t, const char *, const struct tm *)); 101 time_t time __P((time_t *)); 102 103 #ifdef _THREAD_SAFE 104 int asctime_r __P((const struct tm *, char *, int)); 105 int ctime_r __P((const time_t *, char *, int)); 106 int gmtime_r __P((const time_t *, struct tm *)); 107 int localtime_r __P((const time_t *, struct tm *)); 108 #endif 109 110 #ifndef _ANSI_SOURCE 111 void tzset __P((void)); 112 #endif /* not ANSI */ 113 114 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 115 char *timezone __P((int, int)); 116 void tzsetwall __P((void)); 117 time_t timelocal __P((struct tm * const)); 118 time_t timegm __P((struct tm * const)); 119 #endif /* neither ANSI nor POSIX */ 120 __END_DECLS 121 122 #endif /* !_TIME_H_ */ 123