joerg ed7c1e1183 Add a small `gethostname' package. It uses __sysctl(2), and thus
avoids the kludgy backquotes that are required by now (`hostname`).

Usage:

require "gethostname.pl";
$thishost = &gethostname'gethostname;
1996-02-13 13:17:49 +00:00
..
1996-02-11 18:16:11 +00:00