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

int
main()
{
   register unsigned int count;
   clock_t start,end,temp;
   printf("start...\n");
   start = clock();
   for(count = 0U; count < 0xFFFFFFFF; count++)
      ;
   end = clock();
   temp = end - start;
   printf("total time spent = %d milliseconds...\n", temp); 
   printf("done...\n"); 
   return 0;
}