#include <stdio.h>
#include <stdlib.h>

int rand_range(int range)
{
  int value = rand() & 0xff;

  return ((value * range)>>8);
}


int main(void)
{
  int loop;


  for(loop = 0; loop < 20; loop++)
	 printf("Rand number = %d\n", rand_range(4));

  return 0;
}