sockstat tcp/udp switches

[Josh Carroll]

> Below is the patch using strsep instead. I also updated the
> gather_inet function to print a message that a protocol is not
> supported if it exists in /etc/protocols, but does not have a case in
> the gather_inet function.

So, anyone interested in committing this? :) Do people think this
would be useful going forward? Or does anyone else have suggestions
for the code?

Regards,
Josh