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Date:	Wed, 06 Jun 2001 11:12:21 -0400
To:	Jesper Eskilson <jojo AT virtutech DOT com>, <cygwin AT cygwin DOT com>
From:	"Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject:	Re: Accessing Cygwin API calls from a native Windows app
In-Reply-To:	<Pine.LNX.4.30.0106061202350.20051-100000@rachel.hq.vtech>
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At 06:08 AM 6/6/2001, Jesper Eskilson wrote:

>Hi!
>
>Is it at all possible to call a Cygwin API function from a native Windows
>application? I know that you can't simultaneously link with MSVCRT and
>cygwin1.dll at the same time, but I was think rather along the lines of
>calling LoadLibrary() on cygwin1.dll and then doing GetProcAddress() on
>the API entry point.
>
>I managed to get as far as successfully calling GetProcAddres(), but when
>calling the function in question (cygwin_conv_to_win32_path, just for
>starters), the program crashed. Something is probably not initialized
>correctly.
>
>The reason I'm trying to do this is that I'm trying to get a native
>windows application to interoperate smoothly with a Cygwin environment (if
>one exists, of course). One important aspect of this is the ability of
>understanding Cygwin-style links and mount points.
>
>Any thoughts?
>
>[please cc me on any reply, since I am not a subscriber to the list]
>
>/Jesper


Hm, this is harder than you might think.  You should look in the email
archives for further discussion.  You realize, of course, that cygpath
can provide you information about mount points, right?  Invoking 
external processes like this to find the information you want is probably 
an easier way to get at some limited functionality.  But don't let me stop
you from playing around with linking directly! ;-)



Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX


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