const int MAX_DEPENDENTS = 10;

class reactor
{
   public:

            reactor       (char*);

      char* name          ();
      void  add_dependent (reactor*);

      void  change        ();
      void  update        (reactor*);

   private:

      char     * my_name;                    // array of characters
      reactor* * my_dependents;              // array of reactor*s
      int        num_dependents;
};