From owner-freebsd-isp  Wed Jan 27 23:56:10 1999
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Date: Thu, 28 Jan 1999 15:52:52 +0800 (CST)
From: xiyuan qian <xiyuan@dns.hgs.com.cn>
Message-Id: <199901280752.PAA01443@dns.hgs.com.cn>
To: freebsd-isp@FreeBSD.ORG
Subject: Must I lock the file?
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Hi, there is a process running on my box which will open and write a file. 
Now, I run another program to write some data to this file. Must I first 
lock the file? Is there any method to append it without problem? With 
fopen( ,"a+") will work?

Best regaurds!

--xiyuan

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