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From: dave@sds.UUCP
Newsgroups: comp.unix.xenix
Subject: Lex
Message-ID: <143@sds.UUCP>
Date: Wed, 15-Apr-87 17:31:05 EST
Article-I.D.: sds.143
Posted: Wed Apr 15 17:31:05 1987
Date-Received: Sat, 18-Apr-87 00:06:09 EST
Organization: SciCom Data Services, Minnetonka, MN
Lines: 21


I just found a nasty problem with lex on Microsoft XENIX System V; 
everything works as it ought except in large model, where the input()
call will fail with the error ENOTTY (Not a typewriter).  Unfortunately,
no description of ENOTTY is to be found in the system manuals, so I don't
even know what that's supposed to mean.  Since I was reading from a text
file, the error seems particularly strange.

What's even worse about the matter is that I can't always duplicate
the problem -- if I write a simple lex program and compile it under
large model, it works fine.  I thought maybe some of my code was trashing
memory, but when I replaced their input() macro (which should be a 
function by the way) with my own input() function it worked.  The only
difference between their macro and my function was that I used fgetc(yyin)
rather than getc(yyin).

Has anyone seen or heard of anything similiar?

Dave Schmidt

(Currently not a member of the MicroSoft[-In-The-Head] fan club).