Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!mit-eddie!apollo!mishkin
From: mishkin@apollo.COM (Nathaniel Mishkin)
Newsgroups: comp.sys.apollo
Subject: Re: Opening a stream to nil files
Message-ID: <43fb73f3.1d6d5@apollo.COM>
Date: 22 Jun 89 12:31:00 GMT
References: <8906211239.AA02260@umix.cc.umich.edu>
Reply-To: mishkin@apollo.com (Nathaniel Mishkin)
Organization: Apollo Computer, Chelmsford, MA
Lines: 14

In article <8906211239.AA02260@umix.cc.umich.edu> FERGUSON@TMASL.EXXON.COM writes:
>To access files with type nil, you must use the Mapped Segment Manager,
>or ms_$ calls. The call, ms_$mapl, will open the file, and you can
>directly map whatever byte you want in the file to a pointer in your
>program.

FYI, at sr10 and later, files of type "nil" can be read using standard
stream I/O calls (open, close, read, write, etc.).  Further, you can
make "nil" type files readable by stream I/O at sr9.7 by obty'ing them
to the type "unstruct".
-- 
                    -- Nat Mishkin
                       Apollo Computer Inc., Chelmsford, MA
                       mishkin@apollo.com