From:	"Cliff Rhodes" <crhodes AT flash DOT net>
Newsgroups:	comp.os.msdos.djgpp,comp.lang.c
Subject:	Re: Functions in struct's... possible? How?
Date:	22 Aug 1997 03:04:52 GMT
Organization:	Flashnet Communications, http://www.flash.net
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Message-ID:	<01bcaea8$2e22c2a0$e3441ed1@crhodes.flash.net>
References:	<33FCDA5C DOT 2353659F AT execulink DOT com>
NNTP-Posting-Host:	hsh8-227.flash.net
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Jeff Weeks <pweeks AT execulink DOT com> wrote

> I'd like to have a function in a struct that I've created.  I realise I
> can't just stick a functions in there, so I used a pointer to a
> function. 

That's the right approach.

> char *virt = (char *)malloc(640*480*2);

Did you ever check the return value from malloc()? I think you will have a
surprise.

> driver.blit(virt);
> 
> Can C not do this?  Is there no way to call a function from a struct? 
> If there is a way (perferable a portable way!) could you please tell me.

Your method is correct. Your allocation is bad. You'll need to use the correct
method to allocate a large block for your system.

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