From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
Subject: Re: [9fans] tos
In-Reply-To: Your message of "Mon, 24 Nov 2003 15:36:15 +0200."
             <81132473206F3A46A72BD6116E1A06AE479CAF@black.aprote.com>
From: "Russ Cox" <rsc@swtch.com>
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Date: Mon, 24 Nov 2003 09:21:19 -0500
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> Whenever I try to compile something in /sys/src
> I get the link-time error
> 	xxx: _tos: not defined
>
> What am I missing?

_tos, obviously.  sorry, couldn't resist.
as dave said, your libc is out of date.
do a pull.