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ctl.c

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by the University of
 *    California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/* 
 * From: @(#)ctl.c      5.7 (Berkeley) 3/1/91
 */
char ctl_rcsid[] = 
  "$Id: ctl.c,v 1.11 1998/11/27 10:55:58 dholland Exp $";

/*
 * This file handles haggling with the various talk daemons to
 * get a socket to talk to. sockt is opened and connected in
 * the progress
 */

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "talk.h"

/* inet address of the remote machine */
struct      in_addr his_machine_addr;

u_short daemon_port;    /* port number of the talk daemon */

int   sockt;
int   invitation_waiting = 0;

CTL_MSG msg;

void
open_sockt(void)
{
      sockt = socket(AF_INET, SOCK_STREAM, 0);
      if (sockt <= 0)
            p_error("Bad socket");
}

#if 0
/* print_addr is a debug print routine */
void
print_addr(struct sockaddr_in addr)
{
      int i;

      printf("addr = %x, port = %o, family = %o zero = ",
            addr.sin_addr.s_addr, addr.sin_port, addr.sin_family);
      for (i = 0; i<8;i++)
      printf("%o ", (int)addr.sin_zero[i]);
      putchar('\n');
}
#endif /* 0 */

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