recvmsg和sendmsg函数

SCM_RIGHTS

https://blog.csdn.net/u014209688/article/details/71311973

http://blog.chinaunix.net/uid-20937170-id-4247670.html

 

AF_INET域与AF_UNIX域socket通信原理对比

https://blog.csdn.net/sandware/article/details/40923491