ack/lang/cem/libcc.ansi/time/loc_time.h
1994-06-24 14:02:31 +00:00

27 lines
755 B
C

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