Path: utzoo!utgpu!watserv1!watmath!att!att!rutgers!cs.utexas.edu!uunet!sdrc!cinnet!icc!wdm
From: wdm@icc.com (Bill Mulert)
Newsgroups: comp.unix.questions
Subject: Streams message M_COPYIN
Summary: How do I use it?
Message-ID: <1990Nov2.144507.17306@icc.com>
Date: 2 Nov 90 14:45:07 GMT
Organization: Intercomputer Communications Corp., Cincinnati, OH
Lines: 16

Can someone help me understand the M_COPYIN, M_COPYOUT, and M_IOCDATA
Streams message types?

I see their structures defined in <sys/stream.h>, but there is no
mention of these message types in the Streams Programming Guide, and
it's not really clear to me how they are to be used.

Can someone provide a short description of how one may use these guys
to copy a datablob between user space, and a streams driver?

Please email response.
-- 
Bill Mulert   wdm@icc.com
Intercomputer Communications Corp.
Cincinnati, Ohio  45236
513-745-0500