//constructor that realizes date and person info from appts.txt and creates an appointment list------------
ToDo::ToDo(Family* famList)
{
    numCells = 0; head = NULL; scan = NULL; follow = NULL;

    cout << "\nCreating ToDo...\n";
    cout << "\nChecking for appts.txt file...\n";

    ifstream apptFile("c:\\appts.txt");
    if(apptFile.is_open())
    {
        cout << "\nFile found.\n";
        cout << "\nRealizing appt.txt...\n";

        for(int k = 0;! apptFile.eof();++k)
        {
            time_t time;
            char s1[SHRTNAME];
            Appointment* a;

            apptFile >> time;
            apptFile >> s1;

            Date d(time);
            Person p = famList->search(s1);
            a = new Appointment(&p, d);
            cout << "\nAdd appt...\n";
            addAppt(a);

            print(cout);
        }
    }

    else
        cout << "\nFile not found.\n";

    apptFile.close();
}