gethostid(2)
Name
gethostid, sethostid − get or set the unique identifier of the current host
Syntax
hostid = gethostid()
int hostid;
sethostid(hostid)
int hostid;
Description
The sethostid system call 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.
Return Values
The gethostid system call returns the 32-bit identifier for the current processor.