standards/63173: Patch to add getopt_long_only(3) to libc

[Garrett Wollman]

<<On Mon, 23 Feb 2004 06:36:29 +0300, Andrey Chernov <ache at nagual.pp.ru> said:

> The question is really about 3rd party non-standard headers, like GNU 
> ones. I.e. Should we protect all contents there with __XSI_VISIBLE, 
> __POSIX_VISIBLE too or not?

An application including a non-POSIX (or non-ISO) header has no
expectation of receiving a POSIX (ISO) namespace.

-GAWollman