/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1983, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <protocols/talkd.h>
#include <curses.h>
#include <signal.h>

extern  int sockt;
extern  int curses_initialized;
extern  int invitation_waiting;

extern  const char *current_state;
extern  int current_line;

extern volatile sig_atomic_t gotwinch;

typedef struct xwin {
        WINDOW  *x_win;
        int     x_nlines;
        int     x_ncols;
        int     x_line;
        int     x_col;
        char    kill;
        char    cerase;
        char    werase;
} xwin_t;

extern  xwin_t my_win;
extern  xwin_t his_win;
extern  WINDOW *line_win;

extern  void    announce_invite(void);
extern  int     check_local(void);
extern  void    check_writeable(void);
extern  void    ctl_transact(struct in_addr,CTL_MSG,int,CTL_RESPONSE *);
extern  void    disp_msg(int);
extern  void    end_msgs(void);
extern  void    get_addrs(const char *, const char *);
extern  int     get_iface(struct in_addr *, struct in_addr *);
extern  void    get_names(int, char **);
extern  void    init_display(void);
extern  void    invite_remote(void);
extern  int     look_for_invite(CTL_RESPONSE *);
extern  int     max(int, int);
extern  void    message(const char *);
extern  void    open_ctl(void);
extern  void    open_sockt(void);
extern  void    p_error(const char *);
extern  void    print_addr(struct sockaddr_in);
extern  void    quit(void);
extern  int     readwin(WINDOW *, int, int);
extern  void    re_invite(int);
extern  void    send_delete(void);
extern  void    set_edit_chars(void);
extern  void    sig_sent(int);
extern  void    sig_winch(int);
extern  void    start_msgs(void);
extern  void    talk(void);
extern  void    resize_display(void);