SYNOPSIS #include <time.h> double difftime(time_t tim1, time_t tim2);
DESCRIPTION
difftime
subtracts the two times in the arguments: tim1-
tim2.
RETURNS
The difference (in seconds) between tim2
and tim1,as
a double.
COMPLIANCE
ANSI C requires difftime,
and define its result to be in seconds in all implementations.
difftime requires no supporting OS subroutines.
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