Sys::Hostname - Try every conceivable way to get hostname
use Sys::Hostname; $host = hostname;
Attempts several methods of getting the system hostname and then caches the result. It tries the the C library's gethostname(). If that fails it
All NULs, returns, and newlines are removed from the result.
David Sundstrom <firstname.lastname@example.org>
XS code added by Greg Bacon <email@example.com>