xref: /freebsd/usr.bin/talk/talk.h (revision cd0d51baaa4509a1db83251a601d34404d20c990)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1983, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	@(#)talk.h	8.1 (Berkeley) 6/6/93
32  * $FreeBSD$
33  */
34 
35 #include <sys/cdefs.h>
36 #include <sys/types.h>
37 #include <sys/time.h>
38 #include <sys/socket.h>
39 #include <netinet/in.h>
40 #include <arpa/inet.h>
41 #include <protocols/talkd.h>
42 #include <curses.h>
43 #include <signal.h>
44 
45 extern	int sockt;
46 extern	int curses_initialized;
47 extern	int invitation_waiting;
48 
49 extern	const char *current_state;
50 extern	int current_line;
51 
52 extern volatile sig_atomic_t gotwinch;
53 
54 typedef struct xwin {
55 	WINDOW	*x_win;
56 	int	x_nlines;
57 	int	x_ncols;
58 	int	x_line;
59 	int	x_col;
60 	char	kill;
61 	char	cerase;
62 	char	werase;
63 } xwin_t;
64 
65 extern	xwin_t my_win;
66 extern	xwin_t his_win;
67 extern	WINDOW *line_win;
68 
69 extern	void	announce_invite(void);
70 extern	int	check_local(void);
71 extern	void	check_writeable(void);
72 extern	void	ctl_transact(struct in_addr,CTL_MSG,int,CTL_RESPONSE *);
73 extern	void	disp_msg(int);
74 extern	void	end_msgs(void);
75 extern	void	get_addrs(const char *, const char *);
76 extern	int	get_iface(struct in_addr *, struct in_addr *);
77 extern	void	get_names(int, char **);
78 extern	void	init_display(void);
79 extern	void	invite_remote(void);
80 extern	int	look_for_invite(CTL_RESPONSE *);
81 extern	int	max(int, int);
82 extern	void	message(const char *);
83 extern	void	open_ctl(void);
84 extern	void	open_sockt(void);
85 extern	void	p_error(const char *);
86 extern	void	print_addr(struct sockaddr_in);
87 extern	void	quit(void);
88 extern	int	readwin(WINDOW *, int, int);
89 extern	void	re_invite(int);
90 extern	void	send_delete(void);
91 extern	void	set_edit_chars(void);
92 extern	void	sig_sent(int);
93 extern	void	sig_winch(int);
94 extern	void	start_msgs(void);
95 extern	void	talk(void);
96 extern	void	resize_display(void);
97