HELPLIB.HLB  —  CRTL  difftime
    Computes the difference, in seconds, between the two times
    specified by the time1 and time2 arguments.

    Format

      #include  <time.h>

      double difftime  (time_t time2, time_t time1);

1  –  Arguments

 time2

    A time value of type time_t.

 time1

    A time value of type time_t.

2  –  Description

    The type time_t is defined in the <time.h> header file as
    follows:

    typedef unsigned long int time_t

3  –  Return Value

    n                  time2 - time1 in seconds expressed as a
                       double.
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