class Name
{
  public:
    Name();                       // constructor
    int length();                 // returns # characters in name
    char operator [](index k);    // return k-th character of name
    bool Equal(const Name & rhs); // check equality
    
  private:
    // declarations here
};

bool operator == (const Name & lhs, const Name & rhs)
// postcondition: returns true if lhs == rhs, otherwise returns false    
{
    return lhs.Equal(rhs);
}