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NetBSD 6.1.5 - man page for getppid (netbsd section 2)

GETPID(2)			     BSD System Calls Manual				GETPID(2)

NAME
     getpid, getppid -- get parent or calling process identification

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <unistd.h>

     pid_t
     getpid(void);

     pid_t
     getppid(void);

DESCRIPTION
     getpid() returns the process ID of the calling process.  The ID is guaranteed to be unique
     and is useful for constructing temporary file names.

     getppid() returns the process ID of the parent of the calling process.

ERRORS
     The getpid() and getppid() functions are always successful, and no return value is reserved
     to indicate an error.

SEE ALSO
     gethostid(3)

STANDARDS
     getpid() and getppid() conform to ISO/IEC 9945-1:1990 (``POSIX.1'').

HISTORY
     The getpid() function appeared in Version 5 AT&T UNIX.

BSD					  April 3, 2010 				      BSD


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