int tdb_transaction_prepare_commit (struct tdb_context *);
int tdb_transaction_recover (struct tdb_context *);
int tdb_transaction_start (struct tdb_context *);
+int tdb_transaction_start_nonblock (struct tdb_context *);
int tdb_traverse_read (struct tdb_context *, tdb_traverse_func, void *);
int tdb_traverse (struct tdb_context *, tdb_traverse_func, void *);
int tdb_unlockall_read (struct tdb_context *);