a serial communication program Dongdong, introduced a good example and source code, please see

Packet : 59564355cport20 c语言开发串行通讯程序库.zip filelist
CPORT20/
CPORT20/COMDEMO.C
CPORT20/COMDEMO.DOC
CPORT20/COMDEMO.EXE
CPORT20/CPORT.DOC
CPORT20/CPORT.H
CPORT20/CPORT.HPP
CPORT20/CPORTS.LIB
CPORT20/FILE.LST
CPORT20/README.!!!
CPORT20/XMODEM.H

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