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/*
 * tcp.h - builtin FTP client
 *
 * This file is part of zsh, the Z shell.
 *
 * Copyright (c) 1998-2001 Peter Stephenson
 * All rights reserved.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and to distribute modified versions of this software for any
 * purpose, provided that the above copyright notice and the following
 * two paragraphs appear in all copies of this software.
 *
 * In no event shall Peter Stephenson or the Zsh Development
 * Group be liable to any party for direct, indirect, special, incidental,
 * or consequential damages arising out of the use of this software and
 * its documentation, even if Peter Stephenson, and the Zsh
 * Development Group have been advised of the possibility of such damage.
 *
 * Peter Stephenson and the Zsh Development Group specifically
 * disclaim any warranties, including, but not limited to, the implied
 * warranties of merchantability and fitness for a particular purpose.  The
 * software provided hereunder is on an "as is" basis, and Peter Stephenson
 * and the Zsh Development Group have no obligation to provide maintenance,
 * support, updates, enhancements, or modifications.
 *
 */

#include "../../config.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

/* Is IPv6 supported by the library? */

#if defined(AF_INET6) && defined(IN6ADDR_LOOPBACK_INIT) \
	&& defined(HAVE_INET_NTOP) && defined(HAVE_INET_PTON)
# define SUPPORT_IPV6 1
#endif

union tcp_sockaddr {
	struct sockaddr a;
	struct sockaddr_in in;
#ifdef SUPPORT_IPV6
	struct sockaddr_in6 in6;
#endif
};

struct tcp_session {
	int fd;				/* file descriptor */
	union tcp_sockaddr sock;  	/* local address   */
	union tcp_sockaddr peer;  	/* remote address  */
};

typedef struct tcp_session *Tcp_session;

#include "tcp.mdh"
#include "tcp.pro"

#ifndef INET_ADDRSTRLEN
# define INET_ADDRSTRLEN 16
#endif

#ifndef INET6_ADDRSTRLEN
# define INET6_ADDRSTRLEN 46
#endif