device names tidbit

Parker, Ron
Mon Jan 10 15:44:00 GMT 2000

I mentioned the other prefix because some of the MS documentation refers to
one and not the other.  I should have been clearer in pointing out that both
of the prefixes only work under NT.  That might have made a little more

-----Original Message-----
From: Chris Faylor [ ]
Sent: Monday, January 10, 2000 5:09 PM
To: Parker, Ron
Cc: DJ Delorie;
Subject: Re: device names tidbit

On Mon, Jan 10, 2000 at 04:59:23PM -0600, Parker, Ron wrote:
>Their is another version of this syntax uses a '?' inplace of the '.'. For
>	DEL \\?\c:\somedir\aux
>I seem to recall that this only works on NT.  I may be wrong, but I vaguely
>recall working on a winsup patch that used this under NT.  (It was not a
>complete solution, so I never submitted it.)  It is the same mechanism that
>allows us to use "\\.\a:" for raw floppy access in CYGWIN under NT.

I'm unclear as to why you are mentioning this.  AFAIK, this does not provide
any more utility than the method that DJ mentioned.


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