Path: utzoo!utgpu!attcan!uunet!auspex!guy
From: guy@auspex.UUCP (Guy Harris)
Newsgroups: comp.unix.wizards
Subject: Re: How do I find out how many characters are in the tty queue?
Keywords: sysv tty input queue
Message-ID: <402@auspex.UUCP>
Date: 4 Nov 88 18:53:20 GMT
References: <1144@ksuvax1.cis.ksu.edu>
Reply-To: guy@auspex.UUCP (Guy Harris)
Organization: Auspex Systems, Santa Clara
Lines: 6

>Is there any way that I can find out how many characters are available and
>waiting to be read from the tty input queue?  I'm running SysV rel 2.1.2.

Without actually reading those characters?  No, not unless your vendor
has added it to S5R2.1.2 (if your vendor is AT&T, the answer is almost
certainly "no").