From owner-freebsd-hackers  Fri Sep 20 19:28:34 1996
Return-Path: owner-hackers
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.5/8.7.3) id TAA14012
          for hackers-outgoing; Fri, 20 Sep 1996 19:28:34 -0700 (PDT)
Received: (from hsu@localhost)
          by freefall.freebsd.org (8.7.5/8.7.3) id TAA13995;
          Fri, 20 Sep 1996 19:28:31 -0700 (PDT)
Date: Fri, 20 Sep 1996 19:28:31 -0700 (PDT)
From: Jeffrey Hsu <hsu>
Message-Id: <199609210228.TAA13995@freefall.freebsd.org>
To: jb@cimlogic.com.au
Subject: Re: libc_r bug
Cc: hackers
Sender: owner-hackers@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

That takes care of fd 0, 1, and 2.  But how do you tell if the parent
process has set up another fd, say, 3, for use by the child?