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From: acl3k@agate.cs.Virginia.EDU (Allan Christian Long)
Newsgroups: comp.sys.sgi
Subject: ioctl
Message-ID: <1991May21.224750.535@murdoch.acc.Virginia.EDU>
Date: 21 May 91 22:47:50 GMT
Sender: usenet@murdoch.acc.Virginia.EDU
Reply-To: acl3k@agate.cs.Virginia.EDU (Allan Christian Long)
Organization: University of Virginia Computer Science Department
Lines: 19


	I'm trying to convert a tracking library from SunOS to IRIX.
I managed to get it to compile, but it isn't working.  Specifically,
the an ioctl call is giving me an "Invalid argument error".  The
call looks like this:

	if (ioctl(trackerPtr->fileDescriptor, FIONREAD, &charsToRead) < 0)

The first parameter is a file descriptor and the third is a pointer to
a long.  FIONREAD is a parameter from the termio.h file.  I have RTFM'ed
until I'm blue in the face, but I can't find FIONREAD mentioned anywhere
in any of the manuals.  The SunOS manual has a page on "filio" that
describes this parameter, but there is no filio page for IRIX.
	Could someone please point me in the direction of a man page or
something?


A. Chris Long, Jr.  			acl3k@virginia.edu
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