// This program has two functions : main and displayMessage
#include<iostream>
using namespace std;

//*****************************************
// Definition of function displayMessage  *
// This function displays a greeting.     *
//*****************************************

void displayMessage()
{
    cout << "Hello from the function displayMessage.\n";
}

//*****************************************
// Function main                          *
//*****************************************

int main()
{
    cout << "Hello from main.\n";
    displayMessage();
    cout << "Back in function main again.\n";

    return 0;
}