7 getlogin; getlogin_r; getutent; getutent_r; getutid; getutid_r; getutline;
25 getpt; getutxent; getutxid; getutxline; grantpt;
28 ptsname; ptsname_r; pututxline;
34 unlockpt; updwtmpx; utmpxname;
52 forkpty; login; login_tty; logout; logwtmp; openpty;