Path: utzoo!utgpu!water!watmath!clyde!rutgers!mit-eddie!uw-beaver!cornell!rochester!ur-tut!sunybcs!boulder!hao!ames!umd5!brl-adm!adm!oread::barbanis@CS-UMASS.arpa
From: "oread::barbanis"@CS-UMASS.arpa
Newsgroups: comp.unix.wizards
Subject: fchmod on your tty
Message-ID: <11190@brl-adm.ARPA>
Date: 9 Jan 88 06:42:56 GMT
Sender: news@brl-adm.ARPA
Lines: 11

I wanted to change the mode of my tty from a program (something
like biff), so I used:
   fchmod(0,mode)
This worked fine on Ultrix 2.0, but not on Sun rel3.4 (I got
[EPERM]).  When I tried:
   chmod(ttyname(0),mode)
it worked fine on both systems.  Any idea why fchmod didn't
work?

George Barbanis
UMass -- Amherst