get/set unique identifier of current
function establishes a 32-bit identifier for the current processor that is
intended to be unique among all UNIX systems in existence. This is normally
an Internet address for the local machine. This call is allowed only to the
superuser and is normally performed at boot-time.
returns the 32-bit identifier for the current processor.
This function has been deprecated. The hostid should be set or retrieved by use of sysctl(2).
sysctl(2), gethostname(3), sysctl(8)
sethostid() system calls first appeared in
4.1cBSD and were dropped in
32 bits for the identifier is too small.