class Base {
public:
  Base();
  Base(int x);
  void overloaded(int x); 
  void overloaded(char c);
  int everyoneCanReference;

protected:
  int derivedCanReference;
  void overriddenInDerived(double r);

private:
  int onlyThisClassCanReference;
};


class Derived : public Base {
public:
  Derived(int x) : Base(x) { /* ... */ };

protected:
  void overriddenInDerived(double s);
}