参考资料:
基本用法:http://blog.youkuaiyun.com/fansongy/article/details/6789000
用二级指针删除头结点:http://blog.youkuaiyun.com/justme0/article/details/12324471
参考资料:
基本用法:http://blog.youkuaiyun.com/fansongy/article/details/6789000
用二级指针删除头结点:http://blog.youkuaiyun.com/justme0/article/details/12324471