xmodem\xmodem_2007.rar
......\xmodem_cpp.zip
......协议文档\XMODEM.DOC
..............\XMODEM.TXT
..............\XMODEM1K.TXT
..............\XMODMCRC.TXT
..............\XYMODEM.DOC
..............\YMODEM.DOC
..............\YMODEM6.DOC
xmodem
xmodem协议文档