Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!unhd.unh.edu!jwm712
From: jwm712@unhd.unh.edu (Jonathan W Miner)
Newsgroups: comp.lang.c
Subject: Re: Making chars disappear
Message-ID: <1991Feb18.025615.28749@unhd.unh.edu>
Date: 18 Feb 91 02:56:15 GMT
References: <8531@castle.ed.ac.uk>
Distribution: comp
Organization: University of New Hampshire
Lines: 14

In article <8531@castle.ed.ac.uk> james@castle.ed.ac.uk (J Gillespie) writes:
>
>Does anyone know of a way to prevent characters being echoed as they
>are typed in?  Like when you log in, your password doesn't get echoed.
>I have a nasty feeling this may involve sending control codes to the
>terminal.
You will have to get the terminal driver to shift into RAW mode.  This takes
away all off the 'nice' features of line-oriented input.  Look into the
ioctl() system call and <sgtty.h>.  (I just don't have the time.)

-- 
Jonathan Miner        | I don't speak for UNH, and UNH does not 
jwm712@unhd.unh.edu   | speak for me! 
(603)868-3416         | Hacking to survive......