利用单链表原来的空间将一个单链表就地转置。 设单循环链表的头指针为head，类型为node。逆置时需将每一个结点的指针域作以修改，使其原前趋结点成为后继 -Using single original space will form a single, table in situ transposed. A single list of head to head pointer, types of node. When will need to buy inverse ea