void tdb_dump_all(TDB_CONTEXT *tdb);
int tdb_printfreelist(TDB_CONTEXT *tdb);
+/* used only in tdbutil.c */
+int tdb_chainlock_read(TDB_CONTEXT *tdb, TDB_DATA key);
+int tdb_chainunlock_read(TDB_CONTEXT *tdb, TDB_DATA key);
+
extern TDB_DATA tdb_null;
#ifdef __cplusplus