ftp客户端功能实现：连接、上传、下载。在VS2005环境中开发，使用MFC开发完成，测试通过。能上传单个文件。-ftp client function: to connect, upload, download. In the VS2005 development environment, developed with MFC, test. Can upload a single file.

tftp客户端程序，解决了原tftp1.0客户端代码传输中大约128k字节应答计数有问题的bug，已在windows环境下进行测试，可以使用。(TFTP client program, to solve the original tftp1.0 client code transmission, about 128K bytes, answer count problems bug, has been tested in the windows environment, you can use.