include/time.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (c) 1989, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  * (c) UNIX System Laboratories, Inc.
  27  * All or some portions of this file are derived from material licensed
  28  * to the University of California by American Telephone and Telegraph
  29  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
  30  * the permission of UNIX System Laboratories, Inc.
  31  *
  32  * Redistribution and use in source and binary forms, with or without
  33  * modification, are permitted provided that the following conditions
  34  * are met:
  35  * 1. Redistributions of source code must retain the above copyright
  36  *    notice, this list of conditions and the following disclaimer.
  37  * 2. Redistributions in binary form must reproduce the above copyright
  38  *    notice, this list of conditions and the following disclaimer in the
  39  *    documentation and/or other materials provided with the distribution.
  40  * 3. All advertising materials mentioning features or use of this software
  41  *    must display the following acknowledgement:
  42  *      This product includes software developed by the University of
  43  *      California, Berkeley and its contributors.
  44  * 4. Neither the name of the University nor the names of its contributors
  45  *    may be used to endorse or promote products derived from this software
  46  *    without specific prior written permission.
  47  *
  48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  58  * SUCH DAMAGE.
  59  *
  60  *      @(#)time.h      8.3 (Berkeley) 1/21/94
  61  */
  62
  63 #ifndef _TIME_H_
  64 #define _TIME_H_
  65
  66 #include <machine/ansi.h>
  67
  68 #ifndef NULL
  69 #define NULL    0
  70 #endif
  71
  72 #ifndef _BSD_CLOCK_T_DEFINED_
  73 #define _BSD_CLOCK_T_DEFINED_
  74 typedef _BSD_CLOCK_T_   clock_t;
  75 #endif
  76
  77 #ifndef _BSD_TIME_T_DEFINED_
  78 #define _BSD_TIME_T_DEFINED_
  79 typedef _BSD_TIME_T_    time_t;
  80 #endif
  81
  82 #ifndef _BSD_SIZE_T_DEFINED_
  83 #define _BSD_SIZE_T_DEFINED_
  84 typedef _BSD_SIZE_T_    size_t;
  85 #endif
  86
  87 #ifndef _TIMESPEC_DECLARED
  88 #define _TIMESPEC_DECLARED
  89 struct timespec {
  90         time_t  tv_sec;         /* seconds */
  91         long    tv_nsec;        /* and nanoseconds */
  92 };
  93 #endif
  94
  95 struct tm {
  96         int     tm_sec;         /* seconds after the minute [0-60] */
  97         int     tm_min;         /* minutes after the hour [0-59] */
  98         int     tm_hour;        /* hours since midnight [0-23] */
  99         int     tm_mday;        /* day of the month [1-31] */
 100         int     tm_mon;         /* months since January [0-11] */
 101         int     tm_year;        /* years since 1900 */
 102         int     tm_wday;        /* days since Sunday [0-6] */
 103         int     tm_yday;        /* days since January 1 [0-365] */
 104         int     tm_isdst;       /* Daylight Savings Time flag */
 105         long    tm_gmtoff;      /* offset from CUT in seconds */
 106         char    *tm_zone;       /* timezone abbreviation */
 107 };
 108
 109 #include <machine/limits.h>     /* Include file containing CLK_TCK. */
 110
 111 #define CLOCKS_PER_SEC  (CLK_TCK)
 112
 113 #include <sys/cdefs.h>
 114
 115 #ifndef _ANSI_SOURCE
 116 extern char *tzname[];
 117 #endif
 118
 119 __BEGIN_DECLS
 120 char *asctime(const struct tm *);
 121 clock_t clock(void);
 122 char *ctime(const time_t *);
 123 double difftime(time_t, time_t);
 124 struct tm *gmtime(const time_t *);
 125 struct tm *localtime(const time_t *);
 126 time_t mktime(struct tm *);
 127 size_t strftime(char *, size_t, const char *, const struct tm *);
 128 time_t time(time_t *);
 129
 130 #ifndef _ANSI_SOURCE
 131 void tzset(void);
 132 #endif /* not ANSI */
 133
 134 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 135 char *asctime_r(const struct tm *, char *);
 136 char *ctime_r(const time_t *, char *);
 137 struct tm *gmtime_r(const time_t *, struct tm *);
 138 struct tm *localtime_r(const time_t *, struct tm *);
 139 time_t posix2time(time_t);
 140 char *strptime(const char *, const char *, struct tm *);
 141 char *timezone(int, int);
 142 void tzsetwall(void);
 143 time_t time2posix(time_t);
 144 time_t timelocal(struct tm * const);
 145 time_t timegm(struct tm * const);
 146 #endif /* neither ANSI nor POSIX */
 147
 148 #if !defined(_ANSI_SOURCE)
 149 int nanosleep(const struct timespec *, struct timespec *);
 150 #endif
 151 __END_DECLS
 152
 153 #endif /* !_TIME_H_ */