随手记

 https://www.cnblogs.com/zhuyuanlong/p/7782155.html
https://blog.csdn.net/jiaojinlin/article/details/85949883

网络编程

https://blog.csdn.net/yao_hou/article/details/91400832

C++ main函数中参数argc和argv含义及用法

https://blog.csdn.net/dcrmg/article/details/51987413