usr.bin/talk/talk.h

   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  *      @(#)talk.h      8.1 (Berkeley) 6/6/93
  30  */
  31
  32 #include <sys/param.h>
  33 #include <sys/time.h>
  34 #include <sys/socket.h>
  35 #include <netinet/in.h>
  36 #include <arpa/inet.h>
  37 #include <protocols/talkd.h>
  38 #include <curses.h>
  39 #include <unistd.h>
  40
  41 extern  int sockt;
  42 extern  int curses_initialized;
  43 extern  int invitation_waiting;
  44
  45 extern  const char *current_state;
  46 extern  int current_line;
  47
  48 typedef struct xwin {
  49         WINDOW  *x_win;
  50         int     x_nlines;
  51         int     x_ncols;
  52         int     x_line;
  53         int     x_col;
  54         char    kill;
  55         char    cerase;
  56         char    werase;
  57 } xwin_t;
  58
  59 extern  xwin_t my_win;
  60 extern  xwin_t his_win;
  61 extern  WINDOW *line_win;
  62
  63 extern  void    announce_invite(void);
  64 extern  int     check_local(void);
  65 extern  void    check_writeable(void);
  66 extern  void    ctl_transact(struct in_addr,CTL_MSG,int,CTL_RESPONSE *);
  67 extern  void    disp_msg(int);
  68 extern  void    display(xwin_t *, char *, int);
  69 extern  void    end_msgs(void);
  70 extern  void    get_addrs(char *, char *);
  71 extern  int     get_iface(struct in_addr *, struct in_addr *);
  72 extern  void    get_names(int, char **);
  73 extern  void    init_display(void);
  74 extern  void    invite_remote(void);
  75 extern  int     look_for_invite(CTL_RESPONSE *);
  76 extern  int     max(int, int);
  77 extern  void    message(const char *);
  78 extern  void    open_ctl(void);
  79 extern  void    open_sockt(void);
  80 extern  void    p_error(const char *) __dead2;
  81 extern  void    print_addr(struct sockaddr_in);
  82 extern  void    quit(void) __dead2;
  83 extern  int     readwin(WINDOW *, int, int);
  84 extern  void    re_invite(int) __dead2;
  85 extern  void    send_delete(void);
  86 extern  void    set_edit_chars(void);
  87 extern  void    sig_sent(int) __dead2;
  88 extern  void    start_msgs(void);
  89 extern  void    talk(void) __dead2;