How to run these application:
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Use these applications on two seperate PCs with
the serial ports connected to each other. Run
the serialsend.c program on one machince and
serialreceive.c on the other machine.

For more information about serial communication under
Windows, go to:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/devio/base/communications_resources.asp