/* * time.h - date and time */ /* $Id$ */ #ifndef _TIME_H #define _TIME_H #include #define CLOCKS_PER_SEC 1000000 typedef unsigned long time_t; /* type returned by TOD clock */ typedef unsigned long clock_t; /* type returned by real time clock */ struct tm { int tm_sec; /* seconds after the minute - [0, 59] */ int tm_min; /* minutes after the hour - [0, 59] */ int tm_hour; /* hours since midnight - [0, 23] */ int tm_mday; /* day of the month - [1, 31] */ int tm_mon; /* months since January - [0, 11] */ int tm_year; /* years since 1900 */ int tm_wday; /* days since Sunday - [0, 6] */ int tm_yday; /* days since January 1 - [0, 365] */ int tm_isdst; /* Daylight Saving Time flag */ }; extern clock_t clock(void); extern double difftime(time_t _time1, time_t _time0); extern time_t mktime(struct tm *_timeptr); extern time_t time(time_t *_timeptr); extern char* asctime(const struct tm *_timeptr); extern char* ctime(const time_t *_timer); extern struct tm* gmtime(const time_t *_timer); extern struct tm* localtime(const time_t *_timer); extern size_t strftime(char *_s, size_t _maxsize, const char *_format, const struct tm *_timeptr); /* Extensions not in the standard */ #define ctime(t) asctime(localtime(t)) #endif