Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!efi!tim
From: tim@efi.com (Tim Maroney)
Newsgroups: comp.sys.mac.programmer
Subject: Re: How to tell if a volume is a floppy drive?
Message-ID: <1990Sep6.181239.1181@efi.com>
Date: 6 Sep 90 18:12:39 GMT
References: <1517@ntmtv.UUCP> <9794@goofy.Apple.COM> <7796@gollum.twg.com> <9874@goofy.Apple.COM> <3900@wucc.waseda.ac.jp> <690@dbase.A-T.COM> <12229@hoptoad.uucp> <696@dbase.A-T.COM>
Organization: Electronics For Imaging, Inc.
Lines: 18

In article <690@dbase.A-T.COM> cy@dbase.UUCP (Cy Shuster) writes:
>>>Always clear out your PB blocks: before every call!

In article <12229@hoptoad.uucp> tim@hoptoad.UUCP (Tim Maroney) writes:
>>No offense, but I think that's terrible advice.  All you have to do is
>>set the particular parameters listed as significant in the call.  The
>>arrow is only deceptive in the case of ioNamePtr, which is sometimes
>>listed as a left arrow only, even though you need to set it
>>meaningfully on entry.

In article <696@dbase.A-T.COM> cy@dbase.UUCP (Cy Shuster) writes:
>The tradeoff is between speed and upward compatibility. It's not an
>issue of believing the arrow in the documentation, but also suffering
>through some of the undocumented changes, and subsequently having
>calls drop through into the MFS case.

Could you provide some specific examples of these undocumented changes,
please?