difftime(3C)

difftime - compute difference between two calendar times

As shipped in IRIX 6.5.30. Unchanged since IRIX 6.5.

NAME
     difftime - compute difference between two calendar times

SYNOPSIS
     #include <time.h>

     double difftime (time_t time1, time_t time0);

DESCRIPTION
     difftime computes the difference between two calendar times:  time1 -
     time0.

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

DIAGNOSTICS
     difftime returns the difference expressed in seconds as a double.