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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_
     53 typedef	_CLOCK_T_	clock_t;
     54 #undef	_CLOCK_T_
     55 #endif
     56 
     57 #ifdef	_TIME_T_
     58 typedef	_TIME_T_	time_t;
     59 #undef	_TIME_T_
     60 #endif
     61 
     62 #ifdef	_SIZE_T_
     63 typedef	_SIZE_T_	size_t;
     64 #undef	_SIZE_T_
     65 #endif
     66 
     67 #define CLOCKS_PER_SEC	100
     68 
     69 struct 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
     86 char *asctime __P((const struct tm *));
     87 clock_t clock __P((void));
     88 char *ctime __P((const time_t *));
     89 double difftime __P((time_t, time_t));
     90 struct tm *gmtime __P((const time_t *));
     91 struct tm *localtime __P((const time_t *));
     92 time_t mktime __P((struct tm *));
     93 size_t strftime __P((char *, size_t, const char *, const struct tm *));
     94 time_t time __P((time_t *));
     95 
     96 #if !defined(_ANSI_SOURCE)
     97 #define CLK_TCK		100
     98 extern char *tzname[2];
     99 void tzset __P((void));
    100 #endif /* not ANSI */
    101 
    102 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
    103 char *timezone __P((int, int));
    104 void tzsetwall __P((void));
    105 #endif /* neither ANSI nor POSIX */
    106 __END_DECLS
    107 
    108 #endif /* !_TIME_H_ */
    109