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From: adam@npois.UUCP (Adam V. Reed)
Newsgroups: net.micro.att
Subject: UNIX PC wrastop(3T) first argument
Message-ID: <326@npois.UUCP>
Date: Thu, 30-May-85 19:47:08 EDT
Article-I.D.: npois.326
Posted: Thu May 30 19:47:08 1985
Date-Received: Fri, 31-May-85 06:14:57 EDT
Organization: ATTIS, Neptune, NJ
Lines: 10

If you use the wrastop(3T) raster operations facility, you will note
that the first argument to wrastop is called w, the usual abbreviation
for window identifier (as returned by wgetsel()). It is not otherwise
documented. In trying to use it, I found out that using a window
identifier as the first argument to wrastop() can lead to a dropped core
or worse. I determined, by experimentation, that the first argument to
wrastop() should be a FILE DESCRIPTOR, and NOT the WINDOW IDENTIFIER the
manual page would lead you to expect.
					Adam Reed
					ihnp4!npois!adam