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/*
* Copyright (c) 2005 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _PORT_TUN_H
#define _PORT_TUN_H
#include "channels.h"
#if defined(SSH_TUN_LINUX)
# define CUSTOM_SYS_TUN_OPEN
int sys_tun_open(int, int);
#endif
#if defined(SSH_TUN_COMPAT_AF) || defined(SSH_TUN_PREPEND_AF)
# define SSH_TUN_FILTER
int sys_tun_infilter(struct Channel *, char *, int);
u_char *sys_tun_outfilter(struct Channel *, u_char **, u_int *);
#endif
#endif
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