tdb_ref
tdb_ref(tdb);
tdb_ref(tdb);
tdb_ref(tdb); /* take a ref for the SMR pointer */
tdb_ref(tdb);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdbp);
struct tdb *tdb_ref(struct tdb *);
ipo->ipo_tdb = tdb_ref(tdbin);
*tdbout = tdb_ref(ipo->ipo_tdb);
tdb_ref(tdbp);
tdb_ref(tdbp);
tdb_ref(tdb);
tdb_ref(tdb);
tdbo = tdb_ref(tdb->tdb_onext);