DIFFTIME(3C)                         SysV                         DIFFTIME(3C)



NAME
     difftime - compute the difference between two calendar times

SYNOPSIS
     #include <time.h>
     double difftime(time1, time0)
     time_t time1;
     time_t time0;

DESCRIPTION
     difftime computes the difference between two calendar times:

          time1 - time0

SEE ALSO
     clock(3C), mktime(3C), time(2)

DIAGNOSTICS
     difftime returns a double representing the difference in seconds between
     time1 and time0