NAME

difftime − computes the 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.  f4difftime returns the difference (time1-time0) expressed in seconds as a double.  This function is provided because there are no general arithmetic properties defined for type time_t. 

SEE ALSO

ctime(3C)

  —  C Development Set