关于socket的setsockopt的使用

https://www.cnblogs.com/clschao/articles/9588313.html

https://blog.csdn.net/u010144805/article/details/78579528

https://www.cnblogs.com/tekkaman/p/4849767.html

https://blog.csdn.net/u012062760/article/details/45173351

来源：CSDN

作者：llxx1234

链接：https://blog.csdn.net/llxx1234/article/details/104708395