readline, rl_on_new_line, rl_replace_line, rl_redisplay, add_history, printf, malloc, free, write, open, read, close, fork, wait, waitpid,
wait3, wait4, signal, kill, exit, getcwd, chdir, stat, lstat, fstat, execve,
dup, dup2, pipe, opendir, readdir, closedir, strerror, errno, isatty,
ttyname, ttyslot, ioctl, getenv, tcsetattr, tcgetattr, tgetent, tgetflag,
tgetnum, tgetstr, tgoto, tputs