redhat man page for getpid

GETPID(2)						     Linux Programmer's Manual							 GETPID(2)

NAME
       getpid, getppid - get process identification

SYNOPSIS
       #include <sys/types.h>
       #include <unistd.h>

       pid_t getpid(void);
       pid_t getppid(void);

DESCRIPTION
       getpid returns the process ID of the current process.  (This is often used by routines that generate unique temporary file names.)

       getppid returns the process ID of the parent of the current process.

CONFORMING TO
       POSIX, BSD 4.3, SVID

SEE ALSO
       exec(3), fork(2), kill(2), mkstemp(3), tmpnam(3), tempnam(3), tmpfile(3)

Linux 0.99.11							    1993-07-23								 GETPID(2)