C Reference function difftime()

Usage of difftime():

double difftime ( time_t time2, time_t time1 );

Parameters:

Time1 and time2 are both time_t objects.

Return Value:

The difference in seconds between time2-time1 will be returned as a floating point double.

Explanation:

Calculates the difference in seconds between time1 and time2.

Source code example of difftime():



#include <stdio.h>
#include <time.h>

int main ()
{
	time_t time1,time2;
	char get_input [256];
	double dif_sec;

	time (&time1);
	printf ("Please enter the name of your pet: ");
	gets (get_input);

	time (&time2);
	dif_sec = difftime (time2,time1);
	printf ("It took you %.2lf seconds to type the name.\n", dif_sec );

	return 0;
}

Output example of the program above:



	Please enter the name of your pet: wodan

	It took you 2.00 seconds to type the name.

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