这是关于计算机网络的ftp文件传输的课程设计，可实现单线程和多线程的文件传输。文件包括源码文件，可执行文件，以及相关的设计文档。-This is about computer networks, ftp file transfer program designed to achieve single-threaded and multi-threaded file transfer. Documents include source files, executable files, and re