#include <db_cxx.h> int Db::get_bt_minkey(u_int32_t *bt_minkeyp);
         The Db::get_bt_minkey() method returns the minimum number of key/data
         pairs intended to be stored on any single Btree leaf page. This value can be set using the
         Db::set_bt_minkey() method.
    
         The Db::get_bt_minkey() method may be called at any time during the
         life of the application.
    
         The Db::get_bt_minkey() 
            
            
                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.