Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!tank!mimsy!chris
From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.lang.c
Subject: Re: ReadKey like Function in C
Message-ID: <19174@mimsy.UUCP>
Date: 21 Aug 89 00:41:47 GMT
References: <148@trigon.UUCP> <225800206@uxe.cso.uiuc.edu> <21371@cup.portal.com>
Distribution: na
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 22

>In <19095@mimsy.UUCP> I asked:
>>What does `kbhit()' mean when stdin is a socket?  How about in a VMS
>>batch job?

In article <21371@cup.portal.com> Kevin_P_McCarty@cup.portal.com writes:
>kbhit() in the absence of a keyboard owned by the process behaves
>similarly to pod_bay_doors_open() in the absence of pod bay doors owned
>by the process, namely, the behavior is undefined.  It is an error to
>interrogate a device which does not exist.

This is a reasonable definition (although not the one I would choose
for those times I have wanted something like this).

>>What does getch() do at end of file?

>Why, it returns EOF.  getch() returns an int, same as getchar().

Again, a reasonable definition---but as others point out, not what
MSDOS does.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris