gethostid man page on BSDi

gethostid man page on BSDi

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GETHOSTID(3)		    BSD Programmer's Manual		  GETHOSTID(3)

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

SYNOPSIS
     #include <unistd.h>

     long
     gethostid(void);

     void
     sethostid(long hostid);

DESCRIPTION
     Sethostid() sets a 32-bit identifier for the current machine.  This iden-
     tifier is intended to be unique, and is normally the Internet address for
     the machine.  This call may only be made by the super-user.

     Gethostid() returns the current 32-bit identifier for the machine.

     This functionality has been deprecated, and was never widely used.	 If
     necessary for software portability, it should be set at boot time, per-
     haps in /etc/netstart, using sysctl(8).

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

BUGS
     32 bits for the identifier is too small.

HISTORY
     The gethostid() and sethostid() syscalls appeared in 4.2BSD and were re-
     moved in 4.4BSD.

4.2 Berkeley Distribution	 June 2, 1993				     1

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