getppid(2) -- Linux man page

 

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)