Differences between current version and revision by previous author of gethostid(2).
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Newer page: | version 2 | Last edited on Monday, December 30, 2002 3:56:56 am | by PerryLorier | |
Older page: | version 1 | Last edited on Tuesday, June 4, 2002 12:23:41 am | by perry | Revert |
@@ -1,61 +1,24 @@
-GETHOSTID
-!!!GETHOSTID
-NAME
-SYNOPSIS
-DESCRIPTION
-RETURN VALUE
-CONFORMING TO
-FILES
-SEE ALSO
-----
!!NAME
-
-
-
gethostid, sethostid
- get or set
the unique identifier of the current host
+gethostid - get the unique identifier of the current host
!!SYNOPSIS
+ __#include <unistd.h>__
-
-__#include __
-
-
-
__long int gethostid(void);
-int sethostid(long int__
-''hostid''__
);__
+
__long int gethostid(void);__
!!DESCRIPTION
+Get the unique 32-bit identifier for the current machine. The 32-bit identifier is intended to be unique among all UNIX systems in existence. This normally resembles the Internet address for the local machine, as returned by gethostbyname(3), and thus usually never needs to be set with the sethostid(2) call.
-Get or set a unique 32-bit identifier for the current
-machine.
The 32-bit identifier
is intended to be unique
-among all UNIX systems in existence. This normally resembles
-the Internet address
for the local machine, as returned by
-gethostbyname(3), and thus usually never needs to be
-set
.
+The hostid
is often used by programs
for licensing matters
.
-
-The __sethostid__ call is restricted to the
-superuser.
-
-
-
The ''hostid'' argument is stored in the file
-
''/etc/hostid''.
+The ''hostid'' argument is often
stored in the file ''/etc/hostid''.
!!RETURN VALUE
+gethostid(2) returns the 32-bit identifier for the current host as set by sethostid(2).
-
-__gethostid__ returns the 32-bit identifier for the
-current host as set by sethostid(2).
!!CONFORMING TO
+4.2BSD. These functions were dropped in 4.4BSD. POSIX.1 does not define these functions, but ISO/IEC 9945-1:1990 mentions
+them in B.4.4.1. SVr4 includes gethostid(2) but not sethostid(2).
-
-4.2BSD. These functions were dropped in 4.4BSD. POSIX.1 does
-not define these functions, but ISO/IEC 9945-1:1990 mentions
-them in B.4.4.1. SVr4 includes __gethostid__ but not
-__sethostid__.
!!FILES
-
-
-''
/etc/hostid''
+
/etc/hostid
!!SEE ALSO
-
-
hostid(1), gethostbyname(3)
-----