4.3BSD - /usr/man/cat2/getppid.0

GETPID(2)                                                            GETPID(2)


NAME
       getpid, getppid - get process identification

SYNOPSIS
       pid = getpid()
       int pid;

       ppid = getppid()
       int ppid;

DESCRIPTION
       Getpid returns the process ID of the current process.  Most often it is
       used to generate uniquely-named temporary files.

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

SEE ALSO
       gethostid(2)


4th Berkeley Distribution        May 13, 1986                        GETPID(2)