include/time.h

   1 /*      $OpenBSD: time.h,v 1.3 1998/02/08 18:50:05 deraadt Exp $        */
   2 /*      $NetBSD: time.h,v 1.9 1994/10/26 00:56:35 cgd Exp $     */
   3
   4 /*
   5  * Copyright (c) 1989 The Regents of the University of California.
   6  * All rights reserved.
   7  *
   8  * (c) UNIX System Laboratories, Inc.
   9  * All or some portions of this file are derived from material licensed
  10  * to the University of California by American Telephone and Telegraph
  11  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  12  * the permission of UNIX System Laboratories, Inc.
  13  *
  14  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions
  16  * are met:
  17  * 1. Redistributions of source code must retain the above copyright
  18  *    notice, this list of conditions and the following disclaimer.
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in the
  21  *    documentation and/or other materials provided with the distribution.
  22  * 3. All advertising materials mentioning features or use of this software
  23  *    must display the following acknowledgement:
  24  *      This product includes software developed by the University of
  25  *      California, Berkeley and its contributors.
  26  * 4. Neither the name of the University nor the names of its contributors
  27  *    may be used to endorse or promote products derived from this software
  28  *    without specific prior written permission.
  29  *
  30  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  31  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  32  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  33  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  34  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  35  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  36  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  38  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  39  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  40  * SUCH DAMAGE.
  41  *
  42  *      @(#)time.h      5.12 (Berkeley) 3/9/91
  43  */
  44
  45 #ifndef _TIME_H_
  46 #define _TIME_H_
  47
  48 #include <machine/ansi.h>
  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 #define CLOCKS_PER_SEC  100
  70
  71 struct tm {
  72         int     tm_sec;         /* seconds after the minute [0-60] */
  73         int     tm_min;         /* minutes after the hour [0-59] */
  74         int     tm_hour;        /* hours since midnight [0-23] */
  75         int     tm_mday;        /* day of the month [1-31] */
  76         int     tm_mon;         /* months since January [0-11] */
  77         int     tm_year;        /* years since 1900 */
  78         int     tm_wday;        /* days since Sunday [0-6] */
  79         int     tm_yday;        /* days since January 1 [0-365] */
  80         int     tm_isdst;       /* Daylight Savings Time flag */
  81         long    tm_gmtoff;      /* offset from CUT in seconds */
  82         char    *tm_zone;       /* timezone abbreviation */
  83 };
  84
  85 #include <sys/cdefs.h>
  86
  87 __BEGIN_DECLS
  88 char *asctime __P((const struct tm *));
  89 clock_t clock __P((void));
  90 char *ctime __P((const time_t *));
  91 double difftime __P((time_t, time_t));
  92 struct tm *gmtime __P((const time_t *));
  93 struct tm *localtime __P((const time_t *));
  94 time_t mktime __P((struct tm *));
  95 time_t gmmktime __P((const struct tm *));
  96 size_t strftime __P((char *, size_t, const char *, const struct tm *));
  97 char *strptime __P((const char *, const char *, struct tm *));
  98 time_t time __P((time_t *));
  99
 100 #if !defined(_ANSI_SOURCE)
 101 #define CLK_TCK         100
 102 extern char *tzname[2];
 103 void tzset __P((void));
 104 #endif /* not ANSI */
 105
 106 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 107 char *timezone __P((int, int));
 108 void tzsetwall __P((void));
 109 #endif /* neither ANSI nor POSIX */
 110 __END_DECLS
 111
 112 #endif /* !_TIME_H_ */