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   1 /* tws.h */
   2 /* @(#)$Id: tws.h,v 1.4 1992/05/12 22:08:28 jromine Exp $ */
   3
   4 #define DSTXXX
   5                         /* DST vs. GMT nonsense */
   6
   7 struct tws {
   8     int     tw_sec;
   9     int     tw_min;
  10     int     tw_hour;
  11
  12     int     tw_mday;
  13     int     tw_mon;
  14     int     tw_year;
  15
  16     int     tw_wday;
  17     int     tw_yday;
  18
  19     int     tw_zone;
  20
  21     long    tw_clock;
  22
  23     int     tw_flags;
  24 #define TW_NULL 0x0000
  25 #define TW_SDAY 0x0003          /* how day-of-week was determined */
  26 #define   TW_SNIL       0x0000  /*   not given */
  27 #define   TW_SEXP       0x0001  /*   explicitly given */
  28 #define   TW_SIMP       0x0002  /*   implicitly given */
  29 #define TW_SZONE 0x0004         /* how timezone was determined */
  30 #define   TW_SZNIL      0x0000  /*   not given */
  31 #define   TW_SZEXP      0x0004  /*   explicitly given */
  32 #define TW_DST  0x0010          /* daylight savings time */
  33 #define TW_ZONE 0x0020          /* use numeric timezones only */
  34 };
  35
  36 void    twscopy ();
  37 int     twsort ();
  38 long    twclock ();
  39 char   *dasctime (), *dtimezone (), *dctime (), *dtimenow ();
  40 struct tws *dgmtime(), *dlocaltime (), *dparsetime (), *dtwstime ();
  41
  42 #ifndef ATZ
  43 #define dtime(cl)       dasctime (dlocaltime (cl), TW_ZONE)
  44 #else
  45 #define dtime(cl)       dasctime (dlocaltime (cl), TW_NULL)
  46 #endif
  47 #define dtwszone(tw)    dtimezone (tw -> tw_zone, tw -> tw_flags)
  48
  49
  50 extern char   *tw_dotw[], *tw_ldotw[], *tw_moty[];