time.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1987 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
#ifndef __time_h
#define __time_h
#include <sys/stdtypes.h>
#ifndef NULL
#define NULL 0
#endif
struct tm { /* see ctime(3) */
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
char *tm_zone;
long tm_gmtoff;
};
/*
* Following 2 lines are required to make CLK_TCK work.
* If they change here they have to change in <sys/unistd.h> as well.
*/
extern long sysconf(/* int name */);
#define _SC_CLK_TCK 3 /* clock ticks/sec */
/*
* POSIX.1 uses CLK_TCK to specify units used by times(3).
* POSIX.1a doesn't use a name for this and says CLK_TCK is obsolescent, but
* we'll probably have to support it for a long time.
*/
#define CLK_TCK (sysconf(_SC_CLK_TCK))
/* 881207 ANSI C draft uses CLOCKS_PER_SEC to specify units used by clock(3). */
#define CLOCKS_PER_SEC 1000000L
extern char * asctime(/* const struct tm *t */);
extern char * ctime(/* const time_t *t */);
extern struct tm * gmtime(/* const time_t *t */);
extern struct tm * localtime(/* const time_t *t */);
extern time_t mktime(/* struct tm *timeptr */);
extern size_t strftime(/* char *s, size_t maxsize, const char *format,
const struct tm *timeptr */);
extern time_t time(/* time_t *t */);
extern void tzset(/* void */);
extern char *tzname[];
#ifndef _POSIX_SOURCE
extern int daylight;
extern long timezone;
extern void tzsetwall(/* void */);
#endif !_POSIX_SOURCE
#endif !__time_h