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Date: Thu, 8 May 2008 18:47:26 +0200
From: Joerg Sonnenberger <joerg@britannica.bec.de>
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Subject: Re: cvs commit: src/include stdio.h src/lib/libc/stdio clrerr.c
	feof.c ferror.c fileno.c getc.c getchar.c local.h putc.c putchar.c
	xprintf.c
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On Thu, May 08, 2008 at 05:18:23PM +0100, Tony Finch wrote:
> On Wed, 7 May 2008, Garrett Wollman wrote:
> >
> > I like the idea of making FILE opaque
> 
> The C standard requires that FILE is an object type which means that it
> must not be opaque. (Opaque structures are incomplete types, which are
> not object types.)

The C standard is also quite explicit that anything but sizeof(FILE) is
implementation defined. I have not found a single reason why
sizeof(FILE) should be valid. I believe that is not intended by the
standard.

Joerg