From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sat, 15 Nov 2003 23:46:05 -0500
From: William Josephson <jkw@eecs.harvard.edu>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] TLSServer?
Message-ID: <20031116044605.GA20775@mero.morphisms.net>
References: <E1AL49p-0006PZ-Ky@t40.swtch.com> <0a8001c3abf8$2b051ba0$b9844051@insultant.net>
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On Sun, Nov 16, 2003 at 05:14:45AM +0100, boyd, rounin wrote:
> > You can use socketpair to get a two-way pipe.
>
> surely you jest.
>
> 8th Ed had bi-directional pipes [cross connected streams].

Most modern Unix variants have bidirectional pipes, too.
Except when they don't.  As ugly as it is, socketpair is
the portable way to make the bidirectional pipe.