Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!decwrl!sdsu!usc!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: <7152@cbmvax.UUCP>
Date: 28 Jun 89 09:24:44 GMT
References: <4470@crash.cts.com> <14753@watdragon.waterloo.edu>
Reply-To: kevin@cbmvax.UUCP (Kevin Klop)
Organization: Commodore Technology, West Chester, PA
Lines: 30

In article <14753@watdragon.waterloo.edu> sjorr@rose.waterloo.edu (Stephen Orr) writes:
>	Unless someone changed the definition of C that I learnt, all 
>modules in 'C' have the same visibility even main(). This does not mean you
>can't get your peice of code running, it just means that the sub-module you
>would place with a larger module will be visible to all modules in the program.
>


Actually, if you're willing to break things up into separate compilation units
(i.e. files), nested subroutines can be emulated (to alevel of 1 deep.

File : NestedRtns.c

static int FunctionInvisibleOutsideThisFile()
.
.
.

Note that the static keyword in most cases prevents any function outside the
current file from seeing the static function.

                  -- Kevin --

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

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