data); } void addNode(Linked_List* library, Linked_List* tail){ Linked_List p; p = (Linked_List)malloc(sizeof(Linked_List)); if (p == NULL) { printf("error"); exit(1); } getNode(p); if (*library == NULL){ //假如头结点为空,将头结点指针的对应的地址改为p,因而要用到指针的指针。 p->Next = NULL; *library = p; *tail = *library; //此刻尾节点等于头结点">



