Zach,

Please find the response I got to that question attached to this message.
The suggestion worked for me.

Hope this helps

--Dan

Forwarded Message:
=====================
>From: Feico Dillema <dillema@acm.org>
>Date: Mon, 20 Apr 1998 11:37:44 +0200

>Your message dated: Sun, 19 Apr 1998 21:57:36 -0400

>This worked for me (although it me not be the perfect way):

>cd /usr/src
>gunzip -cd netbsd-1.3-1.3.1.diff.gz | patch -f -p1 


>The -p1 strips the first part of the filenames in the diff, so
>that it works for files in the current directory, and I used -f
>(force) as I only had the kernel sources installed (I guess you do 
>too on the zip) and the -f option will cause patch to ignore patches
>for files it cannot find.

>Feico.
        
>>I hope this is the right place for this one.  I'm getting ready to upgrade
>>from 1.3 to 1.3.1, but need to compile my own kernel (need a nonstandard
>>set of options).  Is there a simple command which takes the 
>>netbsd-1.3-1.3.1.diff.gz file and updates my /usr/src/sys/......
>>source tree from 1.3?  (then hopefully I can just use my old 1.3 config file
>>and do 
>>make depend
>>make
>>
>>as I did last time)