clock Function

This function returns the number of milliseconds since the program started.

The number of milliseconds since the program began.

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

int main () {
  clock_t Used;
  int i;
  i = 0;
  while (i < 100000000) ++i;  /* Delay loop */
  Used = clock ();
  printf ("The program ran for %i milliseconds",
          Used);
  return 0;
}

The program ran for 961 milliseconds