一个代码简洁但功能强大的，基于Linux C的ftp客户端的实现。一个很好的参考例子。在做相关ftp文件传输的项目的小伙伴值得下载一看。(A code compact but powerful Linux C based implementation of the FTP client. A good example of reference. The small partner in the project that does relevant FTP file transfers is wo