// date.h

class Date {
  public:
    typedef unsigned short int Jour;
    enum Mois {Jan=1, Fev, Mar, Avr, Mai, Jun, Jul, Aou, Sep, Oct, Nov, Dec};
    typedef unsigned int Annee;
  private:
    Jour  le_jour;
    Mois  le_mois;
    Annee l_annee;
  public:
    Date(Jour, unsigned short int, Annee);
    Date(Jour, Mois, Annee);
  public:
    void lendemain();
    void affiche();
    bool operator<(Date);
  public:
    Jour dernier_jour_mois();
    bool bissextile();
};