FTP_client_by_C

代码说明：

  遵照FTP协议编写的FTP客服端程序,可以与服务器程序互联传输文件(AC_FTP is a file transfer protocol client that uses asynchronous socket operation mode and utilizes many programming techniques described in detail throughout the book. It connects to an FTP server, sends commands and receives replies according to rfc959.txt">RFC 959 to get and put files, change directories, get file lists, delete files.)