From owner-freebsd-questions  Mon Dec 21 17:39:29 1998
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id RAA27944
          for freebsd-questions-outgoing; Mon, 21 Dec 1998 17:39:29 -0800 (PST)
          (envelope-from owner-freebsd-questions@FreeBSD.ORG)
Received: from kakapo.pinnacle.co.nz (pinsoft.internet.co.nz [202.37.141.181])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA27915
          for <questions@FreeBSD.ORG>; Mon, 21 Dec 1998 17:39:23 -0800 (PST)
          (envelope-from jonc@pinnacle.co.nz)
Received: from kiwi.pinnacle.co.nz (kiwi.pinnacle.co.nz [202.37.163.2])
	by kakapo.pinnacle.co.nz (8.9.1/8.9.1) with SMTP id OAA09929;
	Tue, 22 Dec 1998 14:36:40 +1300 (NZDT)
Date: Tue, 22 Dec 1998 14:36:40 +1300 (NZDT)
From: Jonathan Chen <jonc@pinnacle.co.nz>
To: Michael Ryan <mike@NetworX.ie>
cc: FreeBSD Support <questions@FreeBSD.ORG>
Subject: Re: Mystery with pipe(), fork() and dup()
In-Reply-To: <ECS9812220136A@NetworX.ie>
Message-ID: <Pine.SCO.3.96.981222143553.2659B-100000@kiwi.pinnacle.co.nz>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-questions@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Tue, 22 Dec 1998, Michael Ryan wrote:

> However, if I change the line which reads
> 	if (pid == 0)
> to read
> 	if (pid)
> it never works!  The stdio for 'more' seems to get screwed up.
> Can anybody explain why it doesn't work?

Well, for one thing

	if (pid)

really means:

	if (pid != 0)
-------------------------------------------------------------------
Jonathan Chen                       |      -insert-witty-quip-here-
-------------------------------------------------------------------


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message