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  * 4. 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 }