#include <stdio.h>
	int main(void) {
		int a = 101;	/* a is an int */
5		int* pa;		/* pa is a pointer to an int */
6		int* *ppa;		/* ppa is a pointer to a pointer to an int */
	
		printf( "\nThis is the output from %s:\n\n", argv[0] );
	
		printf( "a is %d, &a is %x\n", a, (int) &a );
7		pa = &a;
		printf( "pa is %x, &pa is %x\n", (int) pa, (int) &pa );
8		ppa = &pa;
		printf( "ppa is %x, &ppa is %x\n", (int) ppa, (int) &ppa );
	
		/* At this point we have created a pointer chain:
			ppa -> pa -> a
		*/
	
		printf( "All these are the same: a %d, *pa %d, **ppa %d\n", 
		a, *pa, **ppa );
		return (0);
	}