Subject: Re: IOCTL NOT SUPPORTED ???
From: [email-masked] (Tim Newsham)

10 Jan 1998 05:49:55 -0800
Message-ID: <[email-masked]>
References: <6348431509011998/A13191/INDRE/11C14BEB2E00*_@MHS>
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To: [email-masked]
Cc: [email-masked]

> Is the IOCTL function supported in cyg-win32 environment ?
> I tried to use it but without sucess on the b17 release installed on NT 4.0 sp3.
> Is there any list embedding all the unimplemented function calls ?

There is an ioctl function, but it does not support all io control
codes.  You are restricted to the codes explicitely provided by
the cygwin.dll as there is no mechanism for translating between
the unix ioctl function and the win32 device control function.
You can mix win32 device controls with your cygwin code, though.

> Laurent GEOFFROY
> [email-masked]

                                                Tim N.
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