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GETHOSTID(3) BSD Library Functions Manual GETHOSTID(3)
gethostid, sethostid -- get/set unique identifier of current host
Standard C Library (libc, -lc)
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
gethostid() returns the 32-bit identifier for the current processor.
This function has been deprecated. The hostid should be set or retrieved by use of
gethostname(3), sysctl(3), sysctl(8)
The gethostid() and sethostid() syscalls appeared in 4.2BSD and were dropped in 4.4BSD.
32 bits for the identifier is too small.
BSD June 2, 1993 BSD
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