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Re: [Chicken-users] C unions and structs, how to access them ?

From: Pupeno
Subject: Re: [Chicken-users] C unions and structs, how to access them ?
Date: Mon, 31 Oct 2005 12:44:14 -0300
User-agent: KMail/1.8.3

On Monday 31 October 2005 03:57, felix winkelmann wrote:
> > Now, the real question: How do I access XEvent's members and XEvent's
> > members' members ?
> You might also look into `define-foreign-record'.
> The xlib egg uses accessor-procedures for each and every
> structure member, which is ok, too (define-foreign-record does
> essentially the same).

Does define-foreign-record work for unions as well ?

Now, having tried a couple of approaches to this (as Schemish as possible), I 
am thinking of tring a different one.
What about making my own C function, let's call it ChXNextEvent that call 
XNextEvent and extracts the info from the XEvent and initializes a Scheme 
native structure or record ? Is that possible ? Is it a good way ? Any 
hints ?
Thank you.
Pupeno <address@hidden> (

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