#include <db.h>

int
DB_ENV->get_open_flags(DB_ENV *dbenv, u_int32_t *flagsp);  

The DB_ENV->get_open_flags() method returns the open method flags originally used to create the database environment.

The DB_ENV->get_open_flags() method may not be called before the DB_ENV->open() method is called.

The DB_ENV->get_open_flags() method returns a non-zero error value on failure and 0 on success.