|  | /* | 
|  | * 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 | 
|  |  | 
|  | struct Channel; | 
|  |  | 
|  | #if defined(SSH_TUN_LINUX) || defined(SSH_TUN_FREEBSD) | 
|  | # 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 |