#include <iostream.h>

// file: tree.cc
// using user-defined functions
// "draws" a tree

void
Trunk()
{
        cout << "   *   " << endl;
        cout << "   *   " << endl;
}

void
Dia()
{
        cout << "   *   " << endl;
        cout << "  ***  " << endl;
        cout << " ***** " << endl;
        cout << "*******" << endl;
}

int main()
{
        Dia();
        Trunk();

        return 0;
}

Sample output:
<tree
>   *   
>  ***  
> ***** 
>*******
>   *   
>   *