#include <sys/time.h>
#include <time.h>



#define RUNS 1800000

void P(struct timeval *a, struct timeval *b)
{
  int sec=b->tv_sec - a->tv_sec;
  int usec=b->tv_usec - a->tv_usec;

	if (usec<0) { usec+=1000000; sec--; }

	printf("diff = %d:%06d\n", sec, usec);
}

main()
{
  char stg[30];
	int i;
	struct timeval tv1, tv2, tv3;
	struct timezone tz;

	gettimeofday(&tv1, &tz);
	for(i=0; i<RUNS; i++)
	{
	  sprintf(stg, "%ld \n", (long)i);
	}
	gettimeofday(&tv2, &tz);
	for(i=0; i<RUNS; i++)
	{
	  sprintf(stg, "%Ld \n", (long long)i);
	}
	gettimeofday(&tv3, &tz);

	printf("stg=%s\n", stg);
	P(&tv1, &tv2);
	P(&tv2, &tv3);

}