Rich Felker:
> > The __RES value varies wildly between different platforms. __RES
> > never changes for glibc, but it does change on other platforms.
> >
> > #define __RES 19991006 // Fedora 30, glibc 2.29
> > #define __RES 19991006 // Alpine 3.11.5, pretends-to-be glibc 2.29
> > #define __RES 19991006 // Fedora 32beta, glibc 2.31
> > #define __RES 20030124 // FreeBSD 8
> > #define __RES 20090302 // FreeBSD 12
> >
> > All of the above implement res_nxxx() except the pretends-to-be glibc 2.29.
>
> musl defines:
>
> #define __RES 19960801
My bad, I mixed up results from different VMs.
Wietse