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From: Robert Watson <rwatson@FreeBSD.org>
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Cc: unixmania@gmail.com, danfe@FreeBSD.org, src-committers@FreeBSD.org,
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Subject: Re: svn commit: r192398 - in head/usr.bin: . perror
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On Fri, 22 May 2009, Bruce Evans wrote:

> On Fri, 22 May 2009, Robert Watson wrote:
>
>> On Fri, 22 May 2009, Bruce Evans wrote:
>
>>> What about with "man errno".  Man pages are slightly more likely to be 
>> ...
>> ...  On the topic of man pages though -- I was interested to see that Mac 
>> OS X does not ship with an errno(2), despite shipping with a BSD-derived 
>> errno.h.
>
> Under FreeBSD, errno.2 is only a link to intro.2.  This link was there in 
> libc/sys/Makefile.inc rev.1.1.  More than half of intro.2 is about error 
> numbers.

And, indeed, there is an intro(2) on Mac OS X that's based on ours (I 
believe), just not an errno(2) symlink.

Thanks,

Robert N M Watson
Computer Laboratory
University of Cambridge