_PROTOTYP(long pty_initialize_slave, (int));
#ifdef WANT_UTMP
_PROTOTYP(long pty_update_utmp, (int, int, char *, char *, char *, int));
_PROTOTYP(long pty_initialize_slave, (int));
#ifdef WANT_UTMP
_PROTOTYP(long pty_update_utmp, (int, int, char *, char *, char *, int));