program02.cpp

void get_user_action(char input[MAX_INPUT_LENGTH])
{
    bool validInput = false;
    do
    {
        cout << HAND_MSG << endl;

        cin.get(input, MAX_INPUT_LENGTH, '\n');
        cin.ignore(100, '\n');
        s_to_lower(input);

        if (strcmp(QUIT, input) == 0
            || strcmp(STAND, input) == 0
            || strcmp(HIT, input) == 0)
        {
            validInput = true;
        }
        else
        {
            cout << "'" << input << "' was not recognized." << endl;
            cin.clear();
        }
    } while (!validInput);
}