inline void XmlNode::appendContents(std::ostream& ss) const { appendHead(ss); appendValue(ss); appendChildren(ss); appendTail(ss); }
int main() { struct node * head=NULL; printf("hello main"); head=pushele(5,head); head=pushele(15,head); head=appendHead(10,head); head=deleteNode(2,head); printList(head); return 0; }