Path: utzoo!attcan!uunet!ncrlnk!ncrcae!hubcap!gatech!uflorida!haven!adm!xadmx!garnett%A.CS.OKSTATE.EDU@cunyvm.cuny.edu
From: garnett%A.CS.OKSTATE.EDU@cunyvm.cuny.edu (John Garnett)
Newsgroups: comp.lang.pascal
Subject: Re: Control variables in FOR loops
Message-ID: <17851@adm.BRL.MIL>
Date: 16 Dec 88 20:08:49 GMT
Sender: news@adm.BRL.MIL
Lines: 17

From article <1440@csuna.UUCP>, by abcscnuk@csuna.UUCP (Naoto Kimura):
> I have only found one compiler that handles the program I
> gave in my previous message correctly.   It is the pascal
> compiler (vers 4) found on the CDC Cyber 750 here at CSUN.
> The compiler should give the error message "Control variable
> must be local."
>

Isn't it also true that the value of 'i' will be undefined following the
termination of the loop contained in procedure 'barf'?  If this is the
case, then the loop contained in 'ack' should bomb after the first call
to 'barf' (assuming the global variable 'i' is allowed as a lcv)


John Garnett                           Computing and Information Sciences
                                       Oklahoma State University
Email: garnett@a.cs.okstate.edu        Stillwater, Oklahoma