1GETHOSTID(3P)              POSIX Programmer's Manual             GETHOSTID(3P)
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PROLOG

6       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
7       implementation of this interface may differ (consult the  corresponding
8       Linux  manual page for details of Linux behavior), or the interface may
9       not be implemented on Linux.
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NAME

12       gethostid — get an identifier for the current host
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SYNOPSIS

15       #include <unistd.h>
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17       long gethostid(void);
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DESCRIPTION

20       The gethostid() function shall retrieve a  32-bit  identifier  for  the
21       current host.
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RETURN VALUE

24       Upon  successful completion, gethostid() shall return an identifier for
25       the current host.
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ERRORS

28       No errors are defined.
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30       The following sections are informative.
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EXAMPLES

33       None.
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APPLICATION USAGE

36       This volume of POSIX.1‐2017 does not define the  domain  in  which  the
37       return value is unique.
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RATIONALE

40       None.
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FUTURE DIRECTIONS

43       None.
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SEE ALSO

46       initstate()
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48       The Base Definitions volume of POSIX.1‐2017, <unistd.h>
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51       Portions  of  this text are reprinted and reproduced in electronic form
52       from IEEE Std 1003.1-2017, Standard for Information Technology --  Por‐
53       table  Operating System Interface (POSIX), The Open Group Base Specifi‐
54       cations Issue 7, 2018 Edition, Copyright (C) 2018 by the  Institute  of
55       Electrical  and  Electronics Engineers, Inc and The Open Group.  In the
56       event of any discrepancy between this version and the original IEEE and
57       The  Open Group Standard, the original IEEE and The Open Group Standard
58       is the referee document. The original Standard can be  obtained  online
59       at http://www.opengroup.org/unix/online.html .
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61       Any  typographical  or  formatting  errors that appear in this page are
62       most likely to have been introduced during the conversion of the source
63       files  to  man page format. To report such errors, see https://www.ker‐
64       nel.org/doc/man-pages/reporting_bugs.html .
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68IEEE/The Open Group                  2017                        GETHOSTID(3P)
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