64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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* time.h - date and time
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*/
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/* $Header$ */
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#if !defined(_TIME_H)
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#define _TIME_H
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#define NULL ((void *)0)
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#if defined(__BSD4_2)
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#define CLOCKS_PER_SEC 1000000 /* ticks per second */
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#else
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#define CLOCKS_PER_SEC 60
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#endif /* __BSD4_2 */
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#if !defined(_SIZE_T)
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#define _SIZE_T
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typedef unsigned int size_t; /* type returned by sizeof */
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#endif /* _SIZE_T */
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#if !defined(_TIME_T)
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#define _TIME_T
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typedef unsigned long time_t; /* type returned by TOD clock */
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#endif /* _TIME_T */
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typedef unsigned long clock_t; /* type returned by real time clock */
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struct tm {
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int tm_sec; /* seconds after the minute - [0, 59] */
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int tm_min; /* minutes after the hour - [0, 59] */
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int tm_hour; /* hours since midnight - [0, 23] */
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int tm_mday; /* day of the month - [1, 31] */
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int tm_mon; /* months since January - [0, 11] */
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int tm_year; /* years since 1900 */
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int tm_wday; /* days since Sunday - [0, 6] */
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int tm_yday; /* days since January 1 - [0, 365] */
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int tm_isdst; /* Daylight Saving Time flag */
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};
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clock_t clock(void);
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double difftime(time_t _time1, time_t _time0);
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time_t mktime(struct tm *_timeptr);
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time_t time(time_t *_timeptr);
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char *asctime(const struct tm *_timeptr);
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char *ctime(const time_t *_timer);
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struct tm *gmtime(const time_t *_timer);
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struct tm *localtime(const time_t *_timer);
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size_t strftime(char *_s, size_t _maxsize,
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const char *_format,
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const struct tm *_timeptr);
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#if defined(__USG) || defined(_POSIX_SOURCE)
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void tzset(void);
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#if defined(__USG)
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extern long timezone;
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extern int daylight;
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extern char *tzname[2];
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#endif
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#endif /* __USG || _POSIX_SOURCE */
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#endif /* _TIME_H */
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