From: Geoff Keating <geoffk@geoffk.org>
To: mec.gnu@mindspring.com (Michael Elizabeth Chastain)
Cc: gcc@gcc.gnu.org
Subject: Re: (printf) ("hello world\n");
Date: Tue, 09 Dec 2003 23:56:00 -0000 [thread overview]
Message-ID: <jmvfopy2un.fsf@desire.geoffk.org> (raw)
In-Reply-To: <20031209204037.906D84B412@berman.michael-chastain.com>
mec.gnu@mindspring.com (Michael Elizabeth Chastain) writes:
> I have a language lawyer question.
>
> int main ()
> {
> (printf) ("hello world\n");
> return 0;
> }
>
> Is this a conforming C program?
>
> There is no "#include <stdio.h>" so there is no declaration
> in scope for printf.
This would be nonconforming even if it was
int main()
{
printf ("hello world\n");
}
since printf is a varargs function and so must be prototyped before it
is called (ISO C 6.5.2.2 paragraph 6).
(I think Dale answered the question you really wanted to ask.)
--
- Geoffrey Keating <geoffk@geoffk.org>
next prev parent reply other threads:[~2003-12-09 23:43 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-09 20:41 Michael Elizabeth Chastain
2003-12-09 21:01 ` Dale Johannesen
2003-12-09 23:56 ` Geoff Keating [this message]
2003-12-10 9:53 ` Eyal Lebedinsky
2003-12-10 10:18 ` Andreas Schwab
2003-12-10 12:45 ` Robert Dewar
2003-12-10 13:12 ` Segher Boessenkool
2003-12-10 13:34 ` Robert Dewar
2003-12-10 13:36 ` Gabriel Dos Reis
2003-12-10 14:08 ` Joseph S. Myers
2003-12-10 14:17 ` Segher Boessenkool
2003-12-10 15:55 ` Andreas Schwab
2003-12-11 17:09 ` Geoff Keating
2003-12-11 17:39 ` Segher Boessenkool
2003-12-12 13:07 ` Jan-Benedict Glaw
2003-12-12 17:17 ` Gabriel Dos Reis
2003-12-10 14:19 ` Register Spilling Umar Janjua
2003-12-11 7:59 ` Jim Wilson
2003-12-11 9:01 ` Sanjiv Gupta
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