trusty (3) getppid.3posix.gz

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NAME
       getppid - get the parent process ID


SYNOPSIS
       #include <unistd.h>

       pid_t getppid(void);


DESCRIPTION
       The getppid() function shall return the parent process ID of the calling process.


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


ERRORS
       No errors are defined.

       The following sections are informative.


EXAMPLES
       None.


APPLICATION USAGE
       None.


RATIONALE
       None.


FUTURE DIRECTIONS
       None.


SEE ALSO
       exec() , fork() , getpgid() , getpgrp() , getpid() , kill() , setpgid() , setsid() , the Base Definitions
       volume of IEEE Std 1003.1-2001, <sys/types.h>, <unistd.h>


       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition,
       Standard  for  Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base
       Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers,
       Inc  and  The  Open Group. In the event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard  is  the  referee  document.  The
       original Standard can be obtained online at http://www.opengroup.org/unix/online.html .