gethostid man page on 4.4BSD

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GETHOSTID(3)		 BSD Library Functions Manual		  GETHOSTID(3)

NAME
     gethostid, sethostid — get/set unique identifier of current host

SYNOPSIS
     #include <unistd.h>

     long
     gethostid(void);

     int
     sethostid(long hostid);

DESCRIPTION
     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 boot time.

     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 sysctl(2).

SEE ALSO
     sysctl(2), gethostname(3), sysctl(8).

BUGS
     32 bits for the identifier is too small.

HISTORY
     The gethostid() and sethostid() syscalls appeared in 4.2BSD and were
     dropped in 4.4BSD.

4.2 Berkeley Distribution	 June 2, 1993	     4.2 Berkeley Distribution
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