Path: utzoo!attcan!uunet!mcvax!unido!nixpbe!ugun21!mue
From: mue@ugun21.UUCP
Newsgroups: comp.unix.questions
Subject: Re: isatty() and ttyname() addendum
Message-ID: <18900001@ugun21>
Date: 23 Feb 89 10:28:00 GMT
References: <315@wubios.wustl.edu>
Lines: 8
Nf-ID: #R:wubios.wustl.edu:-31500:ugun21:18900001:000:209
Nf-From: ugun21.UUCP!mue    Feb 23 11:28:00 1989


Both functions (isatty, ttyname) need a file descriptor as a
parameter, not a file pointer. So you have to specify

	if (isatty(0 /*stdin */) ... rsp.
	if (ttyname(0) != NULL) ...

...mcvax!unido!hmueller.pad