[PATCH v2 2/3] manual: clarify errno value on success [BZ #22615]

[Andreas Schwab]

On Dez 29 2017, "Dmitry V. Levin" <ldv@altlinux.org> wrote:

> Sorry, my example doesn't apply, but do we really guarantee they never
> set errno to 0?

POSIX requires it, so we better make sure.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."