#include <stdio.h>

int main(void) {

    int box = 6;
    
    // 1. declaring a pointer, pointing at the address of box
    int *box_ptr;
    // 2. Initialize the pointer, using & to get the address
    box_ptr = NULL;
    
    
    // %p means "pointer" (so it will print out the pointer itself)
    // 3. * means "dereference"
    printf("The value of the variable box located at address %p is %d\n", &box, *box_ptr);
    
    
    
}