1GETPPID(3P)                POSIX Programmer's Manual               GETPPID(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       getppid - get the parent process ID
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SYNOPSIS

15       #include <unistd.h>
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17       pid_t getppid(void);
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DESCRIPTION

21       The getppid() function shall return the parent process ID of the  call‐
22       ing process.
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RETURN VALUE

25       The  getppid()  function shall always be successful and no return value
26       is reserved to indicate an error.
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ERRORS

29       No errors are defined.
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31       The following sections are informative.
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EXAMPLES

34       None.
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APPLICATION USAGE

37       None.
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RATIONALE

40       None.
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FUTURE DIRECTIONS

43       None.
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SEE ALSO

46       exec(), fork(), getpgid(), getpgrp(), getpid(), kill(), setpgid(), set‐
47       sid(),   the   Base   Definitions   volume   of   IEEE Std 1003.1-2001,
48       <sys/types.h>, <unistd.h>
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51       Portions of this text are reprinted and reproduced in  electronic  form
52       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
53       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
54       Specifications  Issue  6,  Copyright  (C) 2001-2003 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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63IEEE/The Open Group                  2003                          GETPPID(3P)
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