Linux下C实现的ftp客户端代码，实现常用10余种功能；tftp客户端代码，实现下载功能。有BUG更改或者好的建议请通知我，衷心感谢你对我的帮助！-C under Linux achieved ftp client code to achieve more than 10 types of commonly used functions tftp client code, to achieve download function. BUG change or have good sugge