loc_incl.h 759 B

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  1. /*
  2. * loc_incl.h - some local definitions
  3. */
  4. /* $Header$ */
  5. #define YEAR0 1900 /* the first year */
  6. #define EPOCH_YR 1970 /* EPOCH = Jan 1 1970 00:00:00 */
  7. #define SECS_DAY (24L * 60L * 60L)
  8. #define LEAPYEAR(year) (!((year) % 4) && (((year) % 100) || !((year) % 400)))
  9. #define YEARSIZE(year) (LEAPYEAR(year) ? 366 : 365)
  10. #define FIRSTSUNDAY(timp) (((timp)->tm_yday - (timp)->tm_wday + 420) % 7)
  11. #define FIRSTDAYOF(timp) (((timp)->tm_wday - (timp)->tm_yday + 420) % 7)
  12. #define TIME_MAX ULONG_MAX
  13. #define ABB_LEN 3
  14. extern const int _ytab[2][12];
  15. extern const char *_days[];
  16. extern const char *_months[];
  17. void _tzset(void);
  18. unsigned _dstget(struct tm *timep);
  19. extern long _timezone;
  20. extern long _dst_off;
  21. extern int _daylight;
  22. extern char *_tzname[2];