Program to demonstrate use of pointer to pointer

#include<stdio.h>

#include<conio.h>

main()

{

          int a=5,*b,**c;

          clrscr();

          b=&a;

          c=&b;

          printf("address of a= %d\n",a);

          printf("address of a= %d\n",*b);

          printf("adrress of a= %d\n",**c);

          printf("adrress of b= %u\n",b);

          printf("adrress of b= %u\n",c);

          printf("address of c= %u\n",&c);

}