#include <db_cxx.h> int Db::get_h_ffactor(u_int32_t *h_ffactorp);
         The Db::get_h_ffactor() method returns the hash table density as
         set by the Db::set_h_ffactor() 
         method. The hash table density is the number of items that
         Berkeley DB tries to place in a hash bucket before splitting the hash bucket.
    
         The Db::get_h_ffactor() method may be called at any time during the
         life of the application.
    
         The Db::get_h_ffactor() 
            
            
                method either returns a non-zero error value or throws an
                exception that encapsulates a non-zero error value on
                failure, and returns 0 on success.