From: "Damian Yerrick" <NOSP AT Musenet@pineight.8m.com>
Newsgroups: comp.os.msdos.djgpp
References: <Pine DOT SUN DOT 3 DOT 91 DOT 991124155328 DOT 4252U-100000 AT is>
Subject: Re: See inside for more information
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NNTP-Posting-Date: Wed, 24 Nov 1999 20:10:09 GMT
Distribution: world
Date: Wed, 24 Nov 1999 20:10:09 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

"Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il> wrote:
> On Wed, 24 Nov 1999, Blackbear wrote:
> > mmap() and munmap() are posix functions.
>
> No, they aren't.  They are a popular extension.
>
> > Since DJGPP doesn't include all of posix
> > (because DOS doesn't have the basic functionality)
>
> Not true.  DJGPP does implements all of Posix requirements from a C
> library, even though DOS sometimes makes it hard.  A handful of
> functions, like `fork', always fail, but they *are* provided, and
> their number is very small.

Which functions always fail? I want to know what to avoid
when thinking up algorithms. I don't want to have to design
and code, just to learn that a function is not implemented
in DJGPP. (I already looked in the 200-page FAQ.)