usr.bin/talk/talk.c

   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  * @(#) Copyright (c) 1983, 1993 The Regents of the University of California.  All rights reserved.
  34  * @(#)talk.c   8.1 (Berkeley) 6/6/93
  35  * $FreeBSD: src/usr.bin/talk/talk.c,v 1.7 1999/08/28 01:06:15 peter Exp $
  36  * $DragonFly: src/usr.bin/talk/talk.c,v 1.3 2003/10/04 20:36:52 hmp Exp $
  37  */
  38
  39 #include "talk.h"
  40 #include <locale.h>
  41
  42 /*
  43  * talk:        A visual form of write. Using sockets, a two way
  44  *              connection is set up between the two people talking.
  45  *              With the aid of curses, the screen is split into two
  46  *              windows, and each users text is added to the window,
  47  *              one character at a time...
  48  *
  49  *              Written by Kipp Hickman
  50  *
  51  *              Modified to run under 4.1a by Clem Cole and Peter Moore
  52  *              Modified to run between hosts by Peter Moore, 8/19/82
  53  *              Modified to run under 4.1c by Peter Moore 3/17/83
  54  *              Fixed to not run with unwriteable terminals MRVM 28/12/94
  55  */
  56
  57 int main(int, char **);
  58
  59 int
  60 main(int argc, char **argv)
  61 {
  62         (void) setlocale(LC_CTYPE, "");
  63
  64         get_names(argc, argv);
  65         check_writeable();
  66         init_display();
  67         open_ctl();
  68         open_sockt();
  69         start_msgs();
  70         if (!check_local())
  71                 invite_remote();
  72         end_msgs();
  73         set_edit_chars();
  74         talk();
  75         return 0;
  76 }