#include <stdio.h>

int main(){

  int x = 5;
  int *x_ptr;  // int* x_ptr;

  int y[5];    // effectively the type is "int* y"

  printf(" x = %d \n", x);
  printf(" x's address is %p \n", &x);

  x_ptr = &x;
          *x_ptr;

  return 0;
}