source: trunk/third/nmh/zotnet/tws/tws.h @ 12455

/*
 * tws.h
 *
 * $Id: tws.h,v 1.1.1.1 1999-02-07 18:14:11 danw Exp $
 */

/* DST vs. GMT nonsense */
#define DSTXXX

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 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 *);