gethostid(2N) gethostid(2N)
NAME
gethostid, sethostid - get/set unique identifier of current
host
SYNOPSIS
hostid = gethostid()
int hostid;
sethostid(hostid)
int hostid;
cc ... -lnet
DESCRIPTION
sethostid establishes a 32-bit identifier for the current
processor which 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.
LINKING
This library is accessed by specifying -lnet as the last
argument to the compile line, e.g.:
cc -o prog prog.c -lnet
SEE ALSO
hostid(1N), gethostname(2N).
BUGS
32 bits for the identifier is too small.
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