GETPID(2)
NAME
getpid, getppid − get process identification
USAGE
pid = getpid()
long pid;
ppid = getppid()
long ppid;
DESCRIPTION
Getpid returns the process ID of the current process. It is used most often with the host identifier gethostid(2) to generate uniquely named temporary files.
Getppid returns the process ID of the parent of the current process.
RETURN VALUE
Getpid returns the process ID of the current process, upon success.