1GETPPID(P) POSIX Programmer's Manual GETPPID(P)
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6 getppid - get the parent process ID
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9 #include <unistd.h>
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11 pid_t getppid(void);
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15 The getppid() function shall return the parent process ID of the call‐
16 ing process.
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19 The getppid() function shall always be successful and no return value
20 is reserved to indicate an error.
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23 No errors are defined.
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25 The following sections are informative.
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28 None.
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31 None.
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34 None.
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37 None.
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40 exec() , fork() , getpgid() , getpgrp() , getpid() , kill() , setpgid()
41 , setsid() , the Base Definitions volume of IEEE Std 1003.1-2001,
42 <sys/types.h>, <unistd.h>
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45 Portions of this text are reprinted and reproduced in electronic form
46 from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
47 -- Portable Operating System Interface (POSIX), The Open Group Base
48 Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
49 Electrical and Electronics Engineers, Inc and The Open Group. In the
50 event of any discrepancy between this version and the original IEEE and
51 The Open Group Standard, the original IEEE and The Open Group Standard
52 is the referee document. The original Standard can be obtained online
53 at http://www.opengroup.org/unix/online.html .
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57IEEE/The Open Group 2003 GETPPID(P)