GETHOSTID(2) System Calls Manual 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
32 bits for the identifier is too small.
4.2 Berkeley Distribution November 28, 1985 GETHOSTID(2)