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Date: Tue, 23 Dec 2003 10:58:59 +0100
From: "Giacomo A. Catenazzi" <cate@debian.org>
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To: Florian Weimer <fw@deneb.enyo.de>
CC: jw schultz <jw@pegasys.ws>,
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Subject: Re: SCO's infringing files list
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Florian Weimer wrote:

> jw schultz wrote:
> 
> 
>>And for the names, perhaps they would care to sue The Open
>>Group?
> 
> 
> Not the names, but the comments. 8-)
> 
> 
>>http://www.opengroup.org/onlinepubs/007904975/basedefs/errno.h.html
> 
> 
> The comments were added in Linux 0.99.1, and I'm not sure what was the
> source.  For example, Linux has:
> 
> #define ENOTTY          25      /* Not a typewriter */
> 
> Solaris:
> 
> #define ENOTTY  25      /* Inappropriate ioctl for device       */
> 
> Current POSIX:
> 
>     [ENOTTY]
>         Inappropriate I/O control operation.
> 
> I couldn't find any historic Minix header files.  Minix 2 has:
> 
> #define ENOTTY        (_SIGN 25)  /* inappropriate I/O control operation */

In 
http://www.opensource.apple.com/darwinsource/DevToolsMay2002/gcc-937.2/libiberty/strerror.c

/* Extended support for using errno values.
    Written by Fred Fish.  fnf@cygnus.com
    This file is in the public domain.  --Per Bothner.  */
(...)
#if defined (ENOTTY)
   ENTRY(ENOTTY, "ENOTTY", "Not a typewriter"),
#endif


FYI there was a proposed patch to change "Not a typewriter" to 
"Inappropriate ioctl for device". Check the interesting thread of lkml:
http://www.ussg.iu.edu/hypermail/linux/kernel/0105.1/0471.html

ciao
	giacomo