[PATCH] Cygwin: make path_conv::isdevice() return false on socket files

[Ken Brown]

On 7/21/2019 3:15 AM, Brian Inglis wrote:
> Anything beginning is or to followed by a lower case letter may be used by the
> (library) implementation and may be considered reserved: best to interpose an
> underscore as systems with better language support inc. BSDs are adding classes.

I assume you're referring to the POSIX name space rules, as in Section 2.2.2 of 
https://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html.  I 
don't see how that's related to the present discussion (identifiers used in 
classes internal to Cygwin).

Ken