GETHOSTID(2) BSD GETHOSTID(2)
NAME
gethostid, sethostid - get/set unique identifier of current host
SYNOPSIS
hostid = gethostid()
long hostid;
sethostid(hostid)
long hostid;
DESCRIPTION
sethostid establishes a 32-bit identifier for the current processor that
is intended to be unique among all UNIX systems in existence. This is
normally a DARPA Internet address for the local machine. This call is
allowed only to the super-user and is normally performed at boot time.
gethostid returns the 32-bit identifier for the current processor.
SEE ALSO
hostid(1), gethostname(2)
BUGS
Thirty-two bits for the identifier is too small.