JG>I'm writing a door for an OS/2 BBS.

 JG>When someone passes me an OS/2 file handle (for the open com port),
 JG>do I need to do anything special to the com handle (such as
 JG>DosDupHandle())?

 JG>Or may I simply assign the passed comm handle to an HFILE variable and
 JG>continue on?

Yep.  BTW, I wrote and released a "door driver" kit for creating _free_
doors that can be compiled for either DOS or OS/2 using the same source
(TC 2.0 or MSC 6.0a required for DOS, MSC 6.0a for OS/2) if you're
interested.  Called DRSK_200.LZH.  Obviously, there's no fee required. :-)

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