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/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.

This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or

modify it under the terms of the GNU Library General Public License as

published by the Free Software Foundation; either version 2 of the

License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Library General Public License for more details.

You should have received a copy of the GNU Library General Public

License along with the GNU C Library; see the file COPYING.LIB.  If

not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,

Cambridge, MA 02139, USA.  */

/*

 *      ANSI Standard: 4.12 DATE and TIME       <time.h>

 */

#ifndef _TIME_H

#define _TIME_H

#include <features.h>

#include <sys/time.h>

#ifndef _TIME_T

#define _TIME_T

typedef long time_t;

#endif

#ifndef _CLOCK_T

#define _CLOCK_T

typedef long clock_t;

#endif

#ifndef _SIZE_T

#define _SIZE_T

typedef unsigned int size_t;

#endif

#ifndef NULL

#ifdef __cplusplus

#define NULL    0

#else

#define NULL    ((void *) 0)

#endif

#endif

#define CLOCKS_PER_SEC  100

#define CLK_TCK         100     /* That must be the same as HZ ???? */

struct tm {

        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;

        /* Those are for future use. */

        long int __tm_gmtoff__;

        __const char *__tm_zone__;

};

#define __isleap(year)  \

  ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))

extern char *tzname[2];

extern int daylight;

extern long int timezone;

__BEGIN_DECLS

extern int      stime __P ((time_t* __tptr));

extern clock_t  clock __P ((void));

extern time_t   time __P ((time_t * __tp));

extern __CONSTVALUE double difftime __P ((time_t __time2,

                                          time_t __time1)) __CONSTVALUE2;

extern time_t   mktime __P ((struct tm * __tp));

extern char *   asctime __P ((__const struct tm * __tp));

extern char *   ctime __P ((__const time_t * __tp));

extern size_t   strftime __P ((char * __s, size_t __smax,

                        __const char * __fmt, __const struct tm * __tp));

extern char *   strptime __P ((__const char * __s, __const char * __fmt,

                        struct tm * __tm));

extern void     tzset __P ((void));

extern struct tm*       gmtime __P ((__const time_t *__tp));

extern struct tm*       localtime __P ((__const time_t * __tp));

#ifdef __USE_MISC

/* Miscellaneous functions many Unices inherited from the public domain

  localtime package.  These are included only for compatibility.  */

/* Like `mktime', but for TP represents Universal Time, not local time.  */

extern time_t timegm __P ((struct tm *__tp));

/* Another name for `mktime'.  */

extern time_t timelocal __P ((struct tm *__tp));

#endif

#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) || defined(_REENTRANT)

extern char     * asctime_r     __P((__const struct tm *, char *));

extern char     * ctime_r       __P((__const time_t *, char *));

extern struct tm* gmtime_r      __P((__const time_t *, struct tm *));

extern struct tm* localtime_r   __P((__const time_t *, struct tm *));

#endif

struct timespec;

/* IEEE Std 1003.1b-1993. */

extern int nanosleep __P((__const struct timespec *__rqtp,

                struct timespec *__rmtp));

__END_DECLS

#endif