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From: Mikael Karpberg <karpen@ocean.campus.luth.se>
Message-Id: <199802071416.PAA04586@ocean.campus.luth.se>
Subject: Re: byte ordering and talk?
In-Reply-To: <Pine.BSF.3.96.980207085318.7683A-100000@phoenix.its.rpi.edu> from "David E. Cross" at "Feb 7, 98 08:56:02 am"
To: dec@phoenix.its.rpi.edu (David E. Cross)
Date: Sat, 7 Feb 1998 15:16:22 +0100 (CET)
Cc: adrian@obiwan.creative.net.au, rssh@grad.kiev.ua,
        freebsd-hackers@FreeBSD.ORG
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According to David E. Cross:
> On Sat, 7 Feb 1998, Adrian Chadd wrote:
> 
> > On Fri, 6 Feb 1998, Ruslan Shevchenko wrote:
> > 
> > 
> > > (One little problem --- FreeBSD talk not work with machines with another
> > > byte-order
> > >  in word, so if you need talk with Sun, better get ytalk from ports)
> > > 
> > 
> > Huh?
> > Is this a protocol-specific thing with talk protocol or just our talk
> > implementation?

It's just SUN's talk implementation. ;-)

> No, the byte order is fixed in the specification (ntohs, nothl anyone).
> the problem that you are refferning to is either of 2 problems:
> 
> 1: slightly different struct sockaddr_in structres (some have a 'lenght'
> field (AIX), others do not (FreeBSD)
> 
> 2: ntalk/talk  there are 2 differnt talk protocols, everyone uses one
> (can't remember), sun uses the other.  (check /etc/inetd.conf and
> /etc/services, they bind to different ports.)

Everyone uses ntalk, except for SUN.
So go install ntalk on the SUN machines, and you'll be fine.

  /Mikael