usr/include/ttyent.h

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *      @(#)ttyent.h    5.1 (Berkeley) 5/30/85
 */

struct  ttyent { /* see getttyent(3) */
        char    *ty_name;       /* terminal device name */
        char    *ty_getty;      /* command to execute, usually getty */
        char    *ty_type;       /* terminal type for termcap (3X) */
        int     ty_status;      /* status flags (see below for defines) */
        char    *ty_window;     /* command to start up window manager */
        char    *ty_comment;    /* usually the location of the terminal */
};

#define TTY_ON          0x1     /* enable logins (startup getty) */
#define TTY_SECURE      0x2     /* allow root to login */

extern struct ttyent *getttyent();
extern struct ttyent *getttynam();