trusty (3) now.3.gz
Provided by:
qmail_1.06-5_amd64 
NAME
now - get current time, in seconds
SYNTAX
#include <now.h>
datetime_sec now();
DESCRIPTION
now returns the number of real-time seconds that have elapsed since the end of 1969 TAI.
SEE ALSO
datetime(3), time(3)
now(3)