描述符可以表示到设备、管道或套接字的连接，这些连接用于与另一个进程或普通文件进行通信。

Descriptors might represent a connection to a device, pipe, or a socket for communicating with another process or to a normal file.

youdao

描述符可以表示到设备、管道或套接字的连接，这些连接用于与另一个进程或普通文件进行通信。

Descriptors might represent a connection to a device, pipe, or a socket for communicating with another process or to a normal file.

youdao