ack/lang/cem/libcc.ansi/headers/time.h
1989-09-29 15:46:33 +00:00

56 lines
1.5 KiB
C

/*
* time.h - date and time
*/
/* $Header$ */
#if !defined(__TIME_HEADER__)
#define __TIME_HEADER__
#if !defined(NULL)
#define NULL 0
#endif /* NULL */
#if defined(__BSD4_2)
#define CLOCKS_PER_SEC 1000000 /* ticks per second */
#else
#define CLOCKS_PER_SEC 60
#endif /* __BSD4_2 */
#if !defined(__TYPE_SIZE__)
#define __TYPE_SIZE__
typedef unsigned int size_t; /* type returned by sizeof */
#endif /* __TYPE_SIZE__ */
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, 28] */
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 */
};
clock_t clock(void);
double difftime(time_t __time1, time_t __time0);
time_t mktime(struct tm *__timeptr);
time_t time(time_t *__timeptr);
char *asctime(const struct tm *__timeptr);
char *ctime(const time_t *__timer);
struct tm *gmtime(const time_t *__timer);
struct tm *localtime(const time_t *__timer);
size_t strftime(char *__s, size_t __maxsize,
const char *__format,
const struct tm *__timeptr);
#if defined(__USG) || defined(_POSIX_SOURCE)
void tzset(void);
#endif /* __USG || _POSIX_SOURCE */
#endif /* __TIME_HEADER__ */