Path: utzoo!attcan!utgpu!watmath!att!dptg!rutgers!tut.cis.ohio-state.edu!bloom-beacon!hstbme.mit.edu!scs
From: scs@hstbme.mit.edu (Steve Summit)
Newsgroups: comp.lang.c
Subject: Re: ReadKey like Function in C
Summary: VMS trivia
Message-ID: <13942@bloom-beacon.MIT.EDU>
Date: 31 Aug 89 04:59:24 GMT
References: <148@trigon.UUCP> <225800206@uxe.cso.uiuc.edu> <3180@scolex.sco.COM> <3802@buengc.BU.EDU> <1979@munnari.oz.au>
Sender: daemon@bloom-beacon.MIT.EDU
Reply-To: scs@adam.pika.mit.edu.UUCP (Steve Summit)
Lines: 14

In article <1979@munnari.oz.au> ok@.cs.mu.oz (Richard O'Keefe) writes:
>In article <3802@buengc.BU.EDU>, bph@buengc.BU.EDU (Blair P. Houghton) writes:
>> What I want to know is, how does EDT work, if VMS can't handle
>> character-at-a-time devices.
>EDT is driven by the keypad, and those keys send escape sequences.
>Think of it as every record being <text> <edit command>.

This is correct, but EDT is in fact truly character-at-a-time.
It is modeless, and each printing character appears, inserted,
as soon as it is typed.

In a previous article I outlined several ways to do true single-
character reads from terminals under VMS.  It's straightforward;
no harder than under Unix.