From owner-freebsd-current  Mon Oct 23 23:54:49 1995
Return-Path: owner-current
Received: (from root@localhost)
          by freefall.freebsd.org (8.6.12/8.6.6) id XAA18795
          for current-outgoing; Mon, 23 Oct 1995 23:54:49 -0700
Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19])
          by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id XAA18756
          for <current@freebsd.org>; Mon, 23 Oct 1995 23:54:18 -0700
Received: (from bde@localhost) by godzilla.zeta.org.au (8.6.9/8.6.9) id QAA01671; Tue, 24 Oct 1995 16:47:47 +1000
Date: Tue, 24 Oct 1995 16:47:47 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199510240647.QAA01671@godzilla.zeta.org.au>
To: current@freebsd.org, swallace@ece.uci.edu
Subject: Re: gets()
Sender: owner-current@freebsd.org
Precedence: bulk

>Why in libc.so.2.2 and libc.a is there:

>0001d598 T _getrusage
>         U _gets 
>00006960 T _gets  

nm apparently doesn't understand the special symbol for _gets that is
generated by __warn_references().  It should print `?' or something
instead of `U'.

>Using an older ld (2.0?), I discovered this.

>ld.old: /usr/lib/libc.so.2.2: Warning symbol without external reference following.

Older ld's apparently don't understand the special symbol either.

>That is the only undefined symbol in /usr/lib/libc.so.2.2.
>Doesn't seem right to me.

There are probably some more now :-).  Poul added some warnings.

Bruce