Pass by Reference or Passing Pointer to a Function in c++
This video tutorial explains how to pass a pointer to a function which is also called pass by reference in c++.
You will learn what happens when a pointer is passed to a function in c++, how to access the pointer in c++, how to pass the pointer to a function in c++ in detail with examples.
source code for this tutorial
#include <iostream> using namespace std; void display(int *ptr); int main() { int age = 24; display(&age); cout << age << endl; return 0; } void display(int *ptr){ cout << *ptr << endl; *ptr = 100; }