Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!apple!oliveb!amiga!cbmvax!kevin
From: kevin@cbmvax.UUCP (Kevin Klop)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Can you nest subroutines in C?
Message-ID: <7173@cbmvax.UUCP>
Date: 29 Jun 89 14:31:59 GMT
References: <4495@crash.cts.com> <25874@agate.BERKELEY.EDU>
Reply-To: kevin@cbmvax.UUCP (Kevin Klop)
Organization: Commodore Technology, West Chester, PA
Lines: 31

In article <25874@agate.BERKELEY.EDU> mwm@eris.berkeley.edu (Mike (I'll think of something yet) Meyer) writes:
>>> In fact, if you declare a function (or a variable external to a function)
>>> to be static, it will be local to the source file but global to all functions
>>> within that file. 
>
>Not quite. C (like many other languages) reqiures forward
>declarations.  Functions and variables are only visible to code that
>occurs after their decleration in the file. And an external variable
>declared in a function only has function scope in ANSI C. In pre-ANSI
>C, the scope wasn't explicitly defined, and PCC based compilers gave
>it file scope.

Excuse me, I beg to differ.  If you do not declare a function before you
use it, then it is of type ``int'' with a globale scope.  Try this sometime:

main()
{
     MyFunction();
}

char MyFunction();

                      -- Kevin --

Kevin Klop		{uunet|rutgers|amiga}!cbmvax!kevin
Commodore-Amiga, Inc.

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