Callback Function

/**

 * Callback function is a function that passed as argument 

 * parameter. It's called as argument parameter.

 */

#include <iostream>

using namespace std;

void hello(){

    cout << "Hello For You All Here" << endl;

}

// callback function

// function as argument parameter

void greeting(void (*func) (void)){

    func();

}

int main(int argc, char *argv[]){

    // callback function

    greeting(hello);

    return 0;

}

Callback Function