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IOCTL calls from win95

Posted on 1997-08-14
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Last Modified: 2013-12-03
How can I translate parameters of DOS int21 0x44XX IOCTL call for some device to parameters of DeviceIOControl() Win95 API function?
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Question by:igork
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davmarc earned 100 total points
ID: 1404089
See the documentation page:
Platform SDK - Windows Base Services - Hardware - Device Input and Output - Using Devic Input and Output Control - Calling DeviceIOControl on Windows 95
There is an example that might help you.

Davide Marcato.
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by:igork
ID: 1404090
Dear davmarc,
If I had SDK (or DDK?) documentation... I have seen Microsoft and Borland Help for DeviceIOControl recently but example doesn't explain what I need. In DOS IOCTL pointer to data is passing via DX:DS registers. Corresponding flat regs struct doesn't include these. Probably one should pass data via EDS:ESI? Or No?
Frankly I meant that anybody did these thing recently and didn't yet forget the exact receipt.  

Thanks anyway.

 
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