Mumit Khan khan@NanoTech.Wisc.EDU
Fri Dec 31 13:28:00 GMT 1999

"Lasslop, Andre" <> writes:
> Hello !
> I'm looking for the CancelIo() function of the Win32-API , but can't find it
> in the header-files or libraries. I'm using B20.1 at NT 4.0 SP 5. Any help ?
> Is there any other possibility to cancel a pending input (ReadFile() from
> COM-port) ?

There's a typo in w32api include/winbase.h -- it should be CancelIo, *NOT*
CancelIO. Once you fix that, it should work. Note that this typo is thanks
to the incorrect help information on MSDN, which also lists this as 


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