#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.