> >Where do these numbers come from? (other than
> >/usr/src/linux/include/linux/socket.h and
> >/usr/include/socketbits.h...by-the-way, why are they defined,
> >sometimes differently, in the two files?) Do we get numbers from
> >IANA, or are these implementation specific?
>
> The former header is a kernel-internal one; the latter (which is
> called /usr/include/bits/socket.h these days, in fact) is intended
> for user space and provided by libc. The two sets of numbers ought
> really to match. They don't have any global significance so they
> are implementation specific.
I know that one is kernel-internal and one is userspace. Thanks for
pointing out its renaming, I was not aware of this. Why is this
information not combined and put in /usr/include/net/socket.h where
both domains can see it? It is shared information.
> p.
slainte mhath, RGB
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