cpp null pointer code example

Example 1: null c++

//NULL is equal to 0
#include <iostream>
using namespace std;
int main(){
  int x = NULL;
  int y = 0;
  cout << y << endl; // Outputs 0
  cout << x << endl; // Outputs 0
  return 0;
}

Example 2: SET TO NULL pointer c++

*ptr=NULL; /*or*/ *ptr=0;