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/*
* tws.h
*/
/* If the following is #defined, a timezone given as a numeric-only offset will
be treated specially if it's in a zone that observes Daylight Saving Time.
For instance, during DST, a Date: like "Mon, 24 Jul 2000 12:31:44 -0700" will
be printed as "Mon, 24 Jul 2000 12:31:44 PDT". Without the code activated by
the following #define, that'd be incorrectly printed as "...MST". */
#define ADJUST_NUMERIC_ONLY_TZ_OFFSETS_WRT_DST 1
struct tws {
int tw_sec; /* seconds after the minute - [0, 61] */
int tw_min; /* minutes after the hour - [0, 59] */
int tw_hour; /* hour since midnight - [0, 23] */
int tw_mday; /* day of the month - [1, 31] */
int tw_mon; /* months since January - [0, 11] */
int tw_year; /* 4 digit year (ie, 1997) */
int tw_wday; /* days since Sunday - [0, 6] */
int tw_yday; /* days since January 1 - [0, 365] */
int tw_zone;
time_t tw_clock; /* if != 0, corresponding calendar value */
int tw_flags;
};
#define TW_NULL 0x0000
#define TW_SDAY 0x0003 /* how day-of-week was determined */
#define TW_SNIL 0x0000 /* not given */
#define TW_SEXP 0x0001 /* explicitly given */
#define TW_SIMP 0x0002 /* implicitly given */
#define TW_SZONE 0x0004 /* how timezone was determined */
#define TW_SZNIL 0x0000 /* not given */
#define TW_SZEXP 0x0004 /* explicitly given */
#define TW_DST 0x0010 /* daylight savings time */
#define TW_ZONE 0x0020 /* use numeric timezones only */
#define TW_SUCC 0x0040 /* whether parsing was successful */
#define TW_YES 0x0040 /* yes, found */
#define TW_NO 0x0000 /* no, not found */
#define dtwszone(tw) dtimezone (tw->tw_zone, tw->tw_flags)
extern char *tw_dotw[];
extern char *tw_ldotw[];
extern char *tw_moty[];
/*
* prototypes
*/
char *dtime (time_t *, int);
char *dtimenow (int);
char *dctime (struct tws *);
struct tws *dlocaltimenow (void);
struct tws *dlocaltime (time_t *);
struct tws *dgmtime (time_t *);
char *dasctime (struct tws *, int);
char *dtimezone (int, int);
void twscopy (struct tws *, struct tws *);
int twsort (struct tws *, struct tws *);
time_t dmktime (struct tws *);
void set_dotw (struct tws *);
struct tws *dparsetime (char *);
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