(C++) difftime

http://www.cplusplus.com/reference/clibrary/ctime/difftime/

 

function

difftime

<ctime>

double difftime ( time_t time2, time_t time1 );

Return difference between two times

Calculates the difference in seconds between time1 and time2.

Parameters

time2

time_t object representing the latter of the two times.

time1

time_t object representing the earlier of the two times.

 

Return Value

The difference in seconds (time2-time1) as a floating point double.

Example

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/* difftime example */ #include <stdio.h> #include <time.h> int main () { time_t start,end; char szInput [256]; double dif; time (&start); printf ("Please, enter your name: "); gets (szInput); time (&end); dif = difftime (end,start); printf ("Hi %s.\n", szInput); printf ("It took you %.2lf seconds to type your name.\n", dif ); return 0; }

Output:

Please, enter your name: Juan Soulie Hi Juan Soulie. It took you 3.00 seconds to type your name.

 

See also

asctime

Convert tm structure to string (function)

gmtime

Convert time_t to tm as UTC time (function )

localtime

Convert time_t to tm as local time (function)

time

Get current time (function)