还有用于套接字、网络接口、主机和端口的网络访问控制。
There are also network access controls for sockets, network interfaces, hosts, and ports.
关键在于循环和网络套接字需要大量管理代码，这样才能监听、更新和控制不同的连接和接口。
The key is that the loop and network sockets need a lot of management code to ensure that you are listening, updating, and controlling the different connections and interfaces.
AIX Version 5.3提供了很多ioctl套接字控制选项，以提取各种有关网络接口的信息。
AIX Version 5.3 provides a long list of ioctl socket control options to extract various information related to the network interface.
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