【正文】
d) (7) brotherptr = brotherptr nextbrother試題六 (1) state == CLOSED || state == CLOSING (2) state == OPENING || state == STAYOPEN (3) state == OPEN (4) state click() (5) state timeout() (6) state plete() (7) doorsetState(doorOPENING)試題七 (1) state == CLOSED || state == CLOSING (2) state == OPENING || state == STAYOPEN (3) state == OPEN (4) () (5) () (6) () (7)