From: "Rob de Bijl" <rdebijl AT worldonline DOT nl>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Interrupt programming in DJGPP
Date: Tue, 2 Nov 1999 19:20:08 +0100
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To: djgpp AT delorie DOT com
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Thanks for your help!

Rob

Damian Yerrick <DELCAPSyerricde AT pineight DOT 8mSOFTWARE DOT com> schreef in
berichtnieuws zYYeOF3KkLMdVoG4jvxae7+7Hr19 AT 4ax DOT com...
> On Sun, 31 Oct 1999 09:57:23 +0100,
> "Rob de Bijl" <rdebijl AT worldonline DOT nl> wrote:
>
> > Hello everybody,
> >
> > I'm new to DJGPP, however I have some experience in C-programming.
> >
> > I'm trying to convert a program to DJGPP C format. I run into problems
when I try to compile the following declaration:
> >
> > void interrupt (*oldlptisr)();
> >
> > It gives me he following errors:
> >
> > Error: parse error before '*'
> > Error: 'interrupt' declared as a function returning a function
> >
> >
> > In the program it is used as follows:
> >
> > oldlptisr = getvect(lptP.intNo);
> >
> > How do I convert the above line so that DJGPP understands it?
> > Does any of you gurus have a tip for me?
> > Also, can any of you point me to a place where I can learn more
> > about interrupt programming for DOS using DJGPP?
>
> Read The Fine Manual, in this case, DJGPP FAQ list.
> http://www.delorie.com/djgpp/v2faq/
> especially the section on porting legacy code.
>
> > It would help me a lot.
>
> It always helps, when you have a problem, to look at the
> documentation. You might have missed the solution last time you looked
> at it.
>
> To see how one library manages lots of interrupts, look at the source
> for Allegro.
> http://www.talula.demon.co.uk/allegro/
>
> --
> Damian Yerrick
> Visit my web site: http://yerricde.spedia.net/