    F_CLR             159 libdb/bt_close.c 		F_CLR(t, B_MODIFIED);
    F_CLR             558 libdb/bt_delete.c 	F_CLR(c, CURS_AFTER | CURS_BEFORE | CURS_ACQUIRE);
    F_CLR             249 libdb/bt_open.c 			F_CLR(t, B_NEEDSWAP);
    F_CLR             304 libdb/bt_seq.c usecurrent:		F_CLR(c, CURS_AFTER | CURS_BEFORE);
    F_CLR             455 libdb/bt_seq.c 	F_CLR(&t->bt_cursor, CURS_ACQUIRE | CURS_AFTER | CURS_BEFORE);