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Date: Wed, 12 Nov 2014 14:27:55 +0000
From: Justin Cormack <>
Cc: Rich Felker <>
Subject: Re: Nonstandard functions with callbacks

On Tue, Nov 11, 2014 at 7:22 AM, Timo Teras <> wrote:
> NetBSD current seems to have funopen2() with alternative signatures for
> the callbacks using ssize_t/size_t for read/write instead of int.
> So yeah, it's a royal mess.

I looked at NetBSD, and it is used internally for implementing
open_memstream, otherwise I would be tempted to remove it. The man
page says not portable, do not use. Might still be worth making it an
internal libc function instead though.


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