#include <stdio.h>
int main()
{
	static int urn[3] = {100, 200, 300};
	int *ptr1, *ptr2;

	ptr1 = urn;		// assign an address to a pointer
	ptr2 = &urn[2];
	printf("ptr1 = %p, *ptr1 = %d, &ptr1 = %p \n", ptr1, *ptr1, &ptr1);
	ptr1++;			// increment a pointer
	printf("ptr1 = %p, *ptr1 = %d, &prt1 = %p \n", ptr1, *ptr1, &ptr1);
	printf("ptr2 = %p, *ptr2 = %d, &ptr2 = %p \n", ptr2, *ptr2, &ptr2);
	++ptr2;			// going past end of the array
	printf("ptr2 = %p, *ptr2 = %d, &ptr2 = %p \n", ptr2, *ptr2, &ptr2);
	printf("ptr2 - ptr1 = %d \n", ptr2 - ptr1);
	return 0;
}