27 lines
759 B
C
27 lines
759 B
C
/*
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* loc_time.h - some local definitions
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*/
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/* $Header$ */
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#define YEAR0 1900 /* the first year */
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#define EPOCH_YR 1970 /* EPOCH = Jan 1 1970 00:00:00 */
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#define SECS_DAY (24L * 60L * 60L)
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#define LEAPYEAR(year) (!((year) % 4) && (((year) % 100) || !((year) % 400)))
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#define YEARSIZE(year) (LEAPYEAR(year) ? 366 : 365)
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#define FIRSTSUNDAY(timp) (((timp)->tm_yday - (timp)->tm_wday + 420) % 7)
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#define FIRSTDAYOF(timp) (((timp)->tm_wday - (timp)->tm_yday + 420) % 7)
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#define TIME_MAX ULONG_MAX
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#define ABB_LEN 3
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extern const int _ytab[2][12];
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extern const char *_days[];
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extern const char *_months[];
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void _tzset(void);
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unsigned _dstget(struct tm *timep);
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extern long _timezone;
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extern long _dst_off;
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extern int _daylight;
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extern char *_tzname[2];
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