#include <db.h> int DB_ENV->get_lg_filemode(DB_ENV *dbenv, int *lg_modep);
         The DB_ENV->set_lg_filemode() method returns the log file mode.
         You can manage this value using the
         DB_ENV->set_lg_filemode()
         method. 
    
         The DB_ENV->set_lg_filemode() method may be called at any time during
         the life of the application.
    
         The DB_ENV->set_lg_filemode() 
            
                  method returns a non-zero error value on failure and 0 on success.