xref: /freebsd/usr.bin/talk/talk.c (revision adeb92a24c57f97d5cd3c3c45be239cbb23aed68)
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. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 
36 __FBSDID("$FreeBSD$");
37 
38 #ifndef lint
39 static const char sccsid[] = "@(#)talk.c	8.1 (Berkeley) 6/6/93";
40 #endif
41 
42 #ifndef lint
43 static const char copyright[] =
44 "@(#) Copyright (c) 1983, 1993\n\
45 	The Regents of the University of California.  All rights reserved.\n";
46 #endif
47 
48 #include <locale.h>
49 
50 #include "talk.h"
51 
52 /*
53  * talk:	A visual form of write. Using sockets, a two way
54  *		connection is set up between the two people talking.
55  *		With the aid of curses, the screen is split into two
56  *		windows, and each users text is added to the window,
57  *		one character at a time...
58  *
59  *		Written by Kipp Hickman
60  *
61  *		Modified to run under 4.1a by Clem Cole and Peter Moore
62  *		Modified to run between hosts by Peter Moore, 8/19/82
63  *		Modified to run under 4.1c by Peter Moore 3/17/83
64  *		Fixed to not run with unwriteable terminals MRVM 28/12/94
65  */
66 
67 int main __P((int, char **));
68 
69 int
70 main(argc, argv)
71 	int argc;
72 	char *argv[];
73 {
74 	(void) setlocale(LC_CTYPE, "");
75 
76 	get_names(argc, argv);
77 	check_writeable();
78 	init_display();
79 	open_ctl();
80 	open_sockt();
81 	start_msgs();
82 	if (!check_local())
83 		invite_remote();
84 	end_msgs();
85 	set_edit_chars();
86 	talk();
87 	return 0;
88 }
89