get/set unique identifier of current host
() 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 a DARPA 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
() system calls first appeared in
and were dropped in
32 bits for the identifier is too small.