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To: Andreas Schwab <schwab@suse.de>
Cc: Eyal Lebedinsky <eyal@eyal.emu.id.au>, gcc@gcc.gnu.org,
	Michael Elizabeth Chastain <mec.gnu@mindspring.com>
Subject: Re: (printf) ("hello world\n");
References: <20031209204037.906D84B412@berman.michael-chastain.com>	<jmvfopy2un.fsf@desire.geoffk.org> <3FD6DD9B.E35C742@eyal.emu.id.au> <jeiskpxal1.fsf@sykes.suse.de>
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Andreas Schwab wrote:

> Eyal Lebedinsky <eyal@eyal.emu.id.au> writes:
> 
> 
>>But without <stdio.h> the varargs attribute is not present
> 
> 
> A varargs function is always a varargs function, whether it is prototyped
> or not.  But without a proper prototype the behaviour is undefined.

Is it really true that the name printf is reserved? Is a C program not
allowed to define its own printf function (which might or might not be
varargs)? What's the story here?