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From: chapman@fornax.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: device driver i/o
Message-ID: <265@fornax.uucp>
Date: Wed, 22-Apr-87 20:52:07 EST
Article-I.D.: fornax.265
Posted: Wed Apr 22 20:52:07 1987
Date-Received: Sat, 25-Apr-87 03:48:35 EST
Organization: School of Computing Science, SFU, Burnaby, B.C. Canada
Lines: 26

;

I have two questions:

1. Is there any way to stop DOS from saying EOF when a character
   device recieves a ctrl/z ? I have tried opening files in
   binary mode (in MS C 3.0) but the problem still occurs.
   The device in question sends arbitrary bit patterns.

2. Is there any way to get DOS to send/recieve more than one
   character at a time to character device drivers?  I know
   the DOS function call lets you specify n (>=1) characters
   but the device driver then gets called n times to process
   one character at a time.  This is stupid. I see the reason
   for some circumstances but there ought to be a way to turn
   it off so the driver can process large chunks of data per
   invokation.

Thanks for any help,

			john

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