STD/PP fork
STD/PP execl
STD/PP execv
STD/PP execle
STD/PP execve
STD/PP execlp
STD/PP execvp
STD/PP wait
STD/PP waitpid
STD/PP _exit
STD/PP signal_con
STD/PP kill
STD/PP sigemptyset
STD/PP sigfillset
STD/PP sigaddset
STD/PP sigdelset
STD/PP sigismember
STD/PP sigaction
STD/PP sigprocmask
STD/PP sigpending
STD/PP sigsuspend
STD/PP alarm
STD/PP pause
STD/PP sleep
