xref: /freebsd/usr.bin/talk/talk.c (revision 41059135ce931c0f1014a999ffabc6bc470ce856)
1 /*
2  * Copyright (c) 1983, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 
32 __FBSDID("$FreeBSD$");
33 
34 #ifndef lint
35 static const char sccsid[] = "@(#)talk.c	8.1 (Berkeley) 6/6/93";
36 #endif
37 
38 #ifndef lint
39 static const char copyright[] =
40 "@(#) Copyright (c) 1983, 1993\n\
41 	The Regents of the University of California.  All rights reserved.\n";
42 #endif
43 
44 #include <locale.h>
45 #include <unistd.h>
46 
47 #include "talk.h"
48 
49 /*
50  * talk:	A visual form of write. Using sockets, a two way
51  *		connection is set up between the two people talking.
52  *		With the aid of curses, the screen is split into two
53  *		windows, and each users text is added to the window,
54  *		one character at a time...
55  *
56  *		Written by Kipp Hickman
57  *
58  *		Modified to run under 4.1a by Clem Cole and Peter Moore
59  *		Modified to run between hosts by Peter Moore, 8/19/82
60  *		Modified to run under 4.1c by Peter Moore 3/17/83
61  *		Fixed to not run with unwriteable terminals MRVM 28/12/94
62  */
63 
64 int
65 main(int argc, char **argv)
66 {
67 	(void) setlocale(LC_CTYPE, "");
68 
69 	get_names(argc, argv);
70 	setproctitle(" ");
71 	check_writeable();
72 	init_display();
73 	open_ctl();
74 	open_sockt();
75 	start_msgs();
76 	if (!check_local())
77 		invite_remote();
78 	end_msgs();
79 	set_edit_chars();
80 	talk();
81 	return 0;
82 }
83