xref: /openbsd/usr.bin/talk/talk.h (revision a6445c1d)
1 /*	$OpenBSD: talk.h,v 1.11 2009/05/09 11:05:01 chl Exp $	*/
2 /*	$NetBSD: talk.h,v 1.3 1994/12/09 02:14:27 jtc Exp $	*/
3 
4 /*
5  * Copyright (c) 1983, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)talk.h	8.1 (Berkeley) 6/6/93
33  */
34 
35 #include <sys/types.h>
36 #include <sys/socket.h>
37 #include <netinet/in.h>
38 #include <protocols/talkd.h>
39 #include <curses.h>
40 #include <signal.h>
41 #include <string.h>
42 #include <err.h>
43 
44 extern	int sockt;
45 extern	int curses_initialized;
46 extern	int invitation_waiting;
47 extern	int high_print;
48 
49 extern	bool smooth_scroll;
50 extern	volatile sig_atomic_t gotwinch;
51 
52 extern	char *current_state;
53 extern	int current_line;
54 
55 typedef struct xwin {
56 	WINDOW	*x_win;
57 	int	x_nlines;
58 	int	x_ncols;
59 	int	x_line;
60 	int	x_col;
61 	char	kill;
62 	char	cerase;
63 	char	werase;
64 } xwin_t;
65 
66 extern	xwin_t my_win;
67 extern	xwin_t his_win;
68 extern	WINDOW *line_win;
69 
70 void	announce_invite(void);
71 int	check_local(void);
72 void	ctl_transact(struct in_addr, CTL_MSG, int, CTL_RESPONSE *);
73 void	display(xwin_t *, char *, int);
74 void	disp_msg(int);
75 void	end_msgs(void);
76 void	get_addrs(char *, char *);
77 void	get_names(int, char **);
78 void	init_display(void);
79 void	invite_remote(void);
80 int	look_for_invite(CTL_RESPONSE *);
81 int	max(int, int);
82 void	message(char *);
83 void	open_ctl(void);
84 void	open_sockt(void);
85 void	quit(char *, int);
86 int	readwin(WINDOW *, int, int);
87 void	re_invite(int);
88 void	send_delete(void);
89 void	set_edit_chars(void);
90 void	sig_sent(int);
91 void	sig_winch(int);
92 void	start_msgs(void);
93 void	talk(void);
94 void	xscroll(xwin_t *, int);
95 void	resize_display(void);
96