#include <db.h> int DB_ENV->get_lk_max_lockers(DB_ENV *dbenv, u_int32_t *lk_maxp);
         The DB_ENV->get_lk_max_lockers() method returns the maximum number of
         potential lockers. You can configure this using the
         DB_ENV->set_lk_max_lockers()
         method.
    
         The DB_ENV->get_lk_max_lockers() method may be called at any time
         during the life of the application.
    
         The DB_ENV->get_lk_max_lockers() 
            
                  method returns a non-zero error value on failure and 0 on success.
            
            
        
    
                         The DB_ENV->get_lk_max_lockers() 
            
                 method may fail and return one of the following non-zero errors: