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/*
* difftime.c
* Original Author: G. Haley
*/
/*
FUNCTION
<<difftime>>---subtract two times
INDEX
difftime
SYNOPSIS
#include <time.h>
double difftime(time_t <[tim1]>, time_t <[tim2]>);
DESCRIPTION
Subtracts the two times in the arguments: `<<<[tim1]> - <[tim2]>>>'.
RETURNS
The difference (in seconds) between <[tim2]> and <[tim1]>, as a <<double>>.
PORTABILITY
ANSI C requires <<difftime>>, and defines its result to be in seconds
in all implementations.
<<difftime>> requires no supporting OS subroutines.
*/
#include <time.h>
double
difftime (time_t tim1,
time_t tim2)
{
return (double)(tim1 - tim2);
}