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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: master 094eb04: Fix MS-Windows build with mingw.org's MinGW
Date: Tue, 26 Nov 2019 21:33:21 +0200
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> Date: Tue, 26 Nov 2019 20:50:48 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: emacs-devel@gnu.org
> 
> > GetAdaptersAddresses returns wchar_t* for the description field, which
> > means (I hope), that thereʼs some api for converting it appropriately.
> 
> We can use wcsstr instead.

Alternatively, convert to ASCII with pWideCharToMultiByte (see
filename_to_ansi for an example), and then use strstr.