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C++ Program to Implement Pointers

Pointers Implementation in C++ – C++ allows you to have pointer on a pointer and so on. Passing an argument by reference or by address both enable the passed argument to be changed in the calling function by the called function.

#include <iostream>

using namespace std;

int main ()
   int  var = 20;   
   int  *ip;       

   ip = &var;     

   cout << "Value of var variable: ";
   cout << var << endl;

   cout << "Address stored in ip variable: ";
   cout << ip << endl;

   cout << "Value of *ip variable: ";
   cout << *ip << endl;

   return 0;