#include<stdio.h>

int main()
{

  int a, b, *p;

  a=5;
  b=6;
  p=&b;

  printf("contents of a is %d, b is %d, the address of p (&p) is %p, p's contents is %p and it points to %d \n", a, b, (void *)&p, (void *)p, *p);

  a=*p; // a = b

   printf("contents of a is %d, b is %d, the address of p (&p) is %p, p's contents is %p and it points to %d \n", a, b, (void *)&p, (void *)p, *p);

   p=(int *)1;

   printf("contents of a is %d, b is %d, the address of p (&p) is %p, p's contents is %p \n", a, b, (void *)&p, (void *)p);

   a=*p; // What will happen

  return 0;

}