X-Authentication-Warning:	delorie.com: mailnull set sender to djgpp-bounces using -f
From:	"Mike Pilat" <pilat AT uiuc DOT edu>
Newsgroups:	comp.lang.c++,comp.os.msdos.djgpp
References:	<vTkS7.469287$Jy2 DOT 33400140 AT news DOT quicknet DOT nl> <Xns9177526CC2A82ASINANUNUR AT 132 DOT 236 DOT 56 DOT 8>
Subject:	Re: ** Pointer thingie's <= what's up with the double *?
Lines:	20
X-Priority:	3
X-MSMail-Priority:	Normal
X-Newsreader:	Microsoft Outlook Express 5.50.4522.1200
X-MimeOLE:	Produced By Microsoft MimeOLE V5.50.4522.1200
X-Proxy-Client:	pilat AT uiuc DOT edu from wakeland-196.flexabit.net
Message-ID:	<wTmS7.3829$tg4.48021@vixen.cso.uiuc.edu>
Date:	Fri, 14 Dec 2001 07:14:01 -0600
NNTP-Posting-Host:	128.174.5.27
X-Complaints-To:	abuse AT uiuc DOT edu
X-Trace:	vixen.cso.uiuc.edu 1008335452 128.174.5.27 (Fri, 14 Dec 2001 07:10:52 CST)
NNTP-Posting-Date:	Fri, 14 Dec 2001 07:10:52 CST
Organization:	University of Illinois at Urbana-Champaign
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

"A. Sinan Unur" <asu1 AT cornell DOT edu> wrote in message
news:Xns9177526CC2A82ASINANUNUR AT 132 DOT 236 DOT 56 DOT 8...
> "Emile Bosch" <emilebosch AT hotmail DOT com> wrote in
> news:vTkS7.469287$Jy2 DOT 33400140 AT news DOT quicknet DOT nl:
> > void** ptr; //? Double **?
>
> i don't think that is valid.
>
> int **ppi;
>
> means ppi is a pointer to a pointer to an int. AFAIK, you can't have
> pointers to void pointers.

You can indeed have void**... for example, the COM IUnknown method
QueryInterface(..) takes a void** as a parameter into which your interface
pointer goes.

[mp]

- Raw text -