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

main()
{
  int *ip, *jp;
  printf("%d\n", ip);
  printf("%d\n", *ip);
  ip = (int *) malloc(4);
  jp = (int *) malloc(4);
  printf("ip: %d\n", ip);
  printf("ij: %d\n", jp);
  exit(EXIT_SUCCESS);
} /* main() */