本程序是实现远程文件上传的程序，包含用户界面。主要应用了网络通信技术。-This procedure is a remote file upload process, including the user interface. The main application of the network communication technologies.

Libtermui is a terminal driver library. It is fully standalone and lightweight. It can drive terminals on a TTY or through a telnet connection directly on a TCP socket. It is fully re-entrant, and can be used to drive multiple terminals from differen