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To: jb@freebsd.org
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: perforce@freebsd.org
Subject: Re: PERFORCE change 131204 for review
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In message: <200712190317.lBJ3HLYT006625@repoman.freebsd.org>
            John Birrell <jb@freebsd.org> writes:
: 	getopt(3) returns an integer. Even on Solaris.
: 	The use of EOF is inappropriate. getopt(3) returns nothing associated
: 	with a stream file.

Once upon a time it did return EOF.  However, in the standardizations
process, it was switched to -1 so there wouldn't be a dependency on
stdio.h.  4.4BSD-lite had EOF, while 4.4BSD-Lite2 had -1.

Warner