How to check the performance: difftime : Time Date « Development « C / ANSI-C

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C / ANSI-C » Development » Time Date Screenshots  How to check the performance: difftime #include <time.h> #include <stdio.h> int main(void) {   time_t start,end;   volatile long unsigned t;   start = time(NULL);   for(t = 0; t < 5000000; t++)        ;   end = time(NULL);      printf("Loop used %f seconds.\n", difftime(end, start));   return 0; }                     Related examples in the same category 1. Getting the time as a string 2. Getting date data with ease 3. Display a date 4. Get time: now 5. Print local and UTC time 6. Make time: hour, minute, second, year, day, month 7. Create local time from time() 8. How to get local time: localtime and asctime 9. Get the elapsed time: clock and CLOCKS_PER_SEC 10. Get time: how to use time() and time_t 11. Local time and Coordinated Universal Time and date 12. converts earth days into Jovian years 13. Convert tm structure to string: how to use asctime 14. Return number of clock ticks since process start 15. Convert time_t value to string: how to use ctime 16. Return difference between two times: how to use difftime 17. Convert time_t value to tm structure as UTC time: how to use gmtime 18. Convert time_t value to tm structure in local time: How to use localtime 19. Convert tm structure to time_t value: how to use mktime 20. Get current time: how to use time and time_t