引用烈操作: ListEmpty(l) Listlength(L) Prior Elem( L, cur e, &pre e) NextElem( L, cur e, &next e) GetElem( L, i, &e) LocateElem( L, e, compare() ListTraverse(L, visito)ListEmpty( L ) ListLength( L ) PriorElem( L, cur_e, &pre_e ) NextElem( L, cur_e, &next_e ) GetElem( L, i, &e ) LocateElem( L, e, compare( ) ) ListTraverse(L, visit( )) 引用型操作: