Can I find where cygwin is installed (for automation purposes)

[Paul Moore]

On Wed, 15 Apr 2020 at 19:31, René Berber via Cygwin <cygwin@cygwin.com> wrote:
>
> On 4/15/2020 1:10 PM, Paul Moore via Cygwin wrote:
>
> [snip]
> > Thanks. Can you explain what the \?? prefix on the Installations
> > values is about? I'm nervous that there's something going on there
> > that means that just ignoring the first 3 characters isn't
> > sufficient... ;-)
>
> https://docs.microsoft.com/en-us/dotnet/standard/io/file-path-formats
>
> Look for "DOS device paths"

Thanks. That's \\?\C:\... and what I'm seeing is \??\C:\...

Is that just a typo/bug? That's the discrepancy that was confusing me :-(

Paul