time(2) manual page
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time - get time
#include <sys/types.h>
#include <time.h>
time_t time(time_t *tloc);
Async-Signal-Safe
time() returns
the value of time in seconds since 00:00:00 UTC
, January 1, 1970.
If tloc
is non-zero, the return value is also stored in the location to which tloc
points.
Upon successful completion, time() returns the value
of time. Otherwise, a value of (time_t)-1 is returned and errno is set to
indicate the error.
stime(2)
, ctime(3C)
time() fails and its
actions are undefined if tloc points to an illegal address.
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