ack/lang/cem/libcc.ansi/time/time.c
1989-12-18 15:33:48 +00:00

37 lines
702 B
C

/*
* time - return the current calendar time (seconds since jan 1, 1970)
*/
/* $Header$ */
#if defined(__BSD4_2)
#include <time.h>
/*
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
*/
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
int gettimeofday(struct timeval *tp, struct timezone *tzp);
time_t
time(time_t *timer)
{
struct timeval tv;
struct timezone tz;
gettimeofday(&tv, &tz);
if (timer) *timer = tv.tv_sec;
return tv.tv_sec;
}
#else
/* Assume time() is a system call */ /* ??? */
#endif