From: Erik Max Francis <max AT alcyone DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: 2 quick questions
Date: Fri, 14 Aug 1998 23:22:19 -0700
Organization: Alcyone Systems
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Bjorn Hansen wrote:

> My programs that are successful often return a different exit code. 
> When
> they fail I think they usually return 255.  I don't put anything like
> return(0); at the end.  should I do this?

Yes.  main should always return type int.

> Is there anything else an
> exit
> code tells you besides if the program was successful.  It seems like
> it must
> since it does not just return a 0 or a 1.

0 indicates a successful return.  Nonzero indicates unsuccessful return.
Different nonzero values can be used to indicate different errors, but
they are all program dependent.

-- 
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