include/time.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1989, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  * (c) UNIX System Laboratories, Inc.
  26  * All or some portions of this file are derived from material licensed
  27  * to the University of California by American Telephone and Telegraph
  28  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  29  * the permission of UNIX System Laboratories, Inc.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  * 1. Redistributions of source code must retain the above copyright
  35  *    notice, this list of conditions and the following disclaimer.
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in the
  38  *    documentation and/or other materials provided with the distribution.
  39  * 3. All advertising materials mentioning features or use of this software
  40  *    must display the following acknowledgement:
  41  *      This product includes software developed by the University of
  42  *      California, Berkeley and its contributors.
  43  * 4. Neither the name of the University nor the names of its contributors
  44  *    may be used to endorse or promote products derived from this software
  45  *    without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  57  * SUCH DAMAGE.
  58  *
  59  *      @(#)time.h      8.3 (Berkeley) 1/21/94
  60  */
  61
  62 #ifndef _TIME_H_
  63 #define _TIME_H_
  64
  65 #include <machine/ansi.h>
  66
  67 #ifndef NULL
  68 #define NULL    0
  69 #endif
  70
  71 #ifndef _BSD_CLOCK_T_DEFINED_
  72 #define _BSD_CLOCK_T_DEFINED_
  73 typedef _BSD_CLOCK_T_   clock_t;
  74 #endif
  75
  76 #ifndef _BSD_TIME_T_DEFINED_
  77 #define _BSD_TIME_T_DEFINED_
  78 typedef _BSD_TIME_T_    time_t;
  79 #endif
  80
  81 #ifndef _BSD_SIZE_T_DEFINED_
  82 #define _BSD_SIZE_T_DEFINED_
  83 typedef _BSD_SIZE_T_    size_t;
  84 #endif
  85
  86 #ifndef _TIMESPEC_DECLARED
  87 #define _TIMESPEC_DECLARED
  88 struct timespec {
  89         time_t  tv_sec;         /* seconds */
  90         long    tv_nsec;        /* and nanoseconds */
  91 };
  92 #endif
  93
  94 struct tm {
  95         int     tm_sec;         /* seconds after the minute [0-60] */
  96         int     tm_min;         /* minutes after the hour [0-59] */
  97         int     tm_hour;        /* hours since midnight [0-23] */
  98         int     tm_mday;        /* day of the month [1-31] */
  99         int     tm_mon;         /* months since January [0-11] */
 100         int     tm_year;        /* years since 1900 */
 101         int     tm_wday;        /* days since Sunday [0-6] */
 102         int     tm_yday;        /* days since January 1 [0-365] */
 103         int     tm_isdst;       /* Daylight Savings Time flag */
 104         long    tm_gmtoff;      /* offset from CUT in seconds */
 105         char    *tm_zone;       /* timezone abbreviation */
 106 };
 107
 108 #include <machine/limits.h>     /* Include file containing CLK_TCK. */
 109
 110 #define CLOCKS_PER_SEC  (CLK_TCK)
 111
 112 #include <sys/cdefs.h>
 113
 114 #ifndef _ANSI_SOURCE
 115 extern char *tzname[];
 116 #endif
 117
 118 __BEGIN_DECLS
 119 char *asctime __P((const struct tm *));
 120 clock_t clock __P((void));
 121 char *ctime __P((const time_t *));
 122 double difftime __P((time_t, time_t));
 123 struct tm *gmtime __P((const time_t *));
 124 struct tm *localtime __P((const time_t *));
 125 time_t mktime __P((struct tm *));
 126 size_t strftime __P((char *, size_t, const char *, const struct tm *));
 127 time_t time __P((time_t *));
 128
 129 #ifndef _ANSI_SOURCE
 130 void tzset __P((void));
 131 #endif /* not ANSI */
 132
 133 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 134 char *asctime_r __P((const struct tm *, char *));
 135 char *ctime_r __P((const time_t *, char *));
 136 struct tm *gmtime_r __P((const time_t *, struct tm *));
 137 struct tm *localtime_r __P((const time_t *, struct tm *));
 138 char *strptime __P((const char *, const char *, struct tm *));
 139 char *timezone __P((int, int));
 140 void tzsetwall __P((void));
 141 time_t timelocal __P((struct tm * const));
 142 time_t timegm __P((struct tm * const));
 143 #endif /* neither ANSI nor POSIX */
 144
 145 #if !defined(_ANSI_SOURCE)
 146 int nanosleep __P((const struct timespec *, struct timespec *));
 147 #endif
 148 __END_DECLS
 149
 150 #endif /* !_TIME_H_ */