Date: Thu, 20 Dec 2001 10:44:12 +0200 From: Ruslan Ermilov <ru@FreeBSD.org> To: babkin@FreeBSD.org Cc: Mark Murray <mark@grondar.za>, John Baldwin <jhb@FreeBSD.org>, "David O'Brien" <obrien@FreeBSD.org>, cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org, Luigi Rizzo <rizzo@aciri.org>, Garance A Drosihn <drosih@rpi.edu> Subject: Re: Are prototypes for main() illegal by any standard ? (was Re: Message-ID: <20011220104412.C67452@sunbay.com> In-Reply-To: <3C1FEEA9.EEE89A7@bellatlantic.net> References: <XFMail.011216160443.jhb@FreeBSD.org> <200112180848.fBI8mvO00685@grimreaper.grondar.org> <3C1FEEA9.EEE89A7@bellatlantic.net>
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On Tue, Dec 18, 2001 at 08:34:33PM -0500, Sergey Babkin wrote:
> Mark Murray wrote:
> >
> > This I do not understand. :-)
> >
> > AFAIK, this is perfectly legal C:
> >
> > /* begin */
> > void printf(char *, ...)
> >
> > void main(void)
> > {
> > printf("Hello world");
> > }
> > /* end */
> >
> > And it should compile warning-free and run without error. Agreed
> > that the style sucks, but it is _legal_ - and any compiler's prior
>
> No, it's completely wrong. The return type of main() is int.
> Otherwise you get garbage for the exit code.
>
It's perfectly legal in a free-standing environment.
Cheers,
--
Ruslan Ermilov Oracle Developer/DBA,
ru@sunbay.com Sunbay Software AG,
ru@FreeBSD.org FreeBSD committer,
+380.652.512.251 Simferopol, Ukraine
http://www.FreeBSD.org The Power To Serve
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