[PATCH] manual: Document functions adopted by POSIX.1-2024.

[Collin Funk]

Adhemerval Zanella Netto <adhemerval.zanella@linaro.org> writes:

> LGTM, thanks.
>
> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

FYI, before anyone commits it I forgot:

Signed-off-by: Collin Funk <collin.funk1@gmail.com>

So please amend.

I have copyright assignment for Gnulib and others, but forgot I don't
for Glibc.

Collin