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/*-
* Copyright (c) 1994
* The 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.
*
* @(#)slip.h 8.1 (Berkeley) 2/12/94
* $FreeBSD$
*/
#ifndef _NET_SLIP_H_
#define _NET_SLIP_H_
/* Ioctls operating on SLIP ttys. */
#define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */
#define SLIOCSKEEPAL _IOW('t', 84, int) /* set keepalive */
#define SLIOCSOUTFILL _IOW('t', 83, int) /* set out fill time */
#define SLIOCGKEEPAL _IOR('t', 82, int) /* get keepalive time */
#define SLIOCGOUTFILL _IOR('t', 81, int) /* get out fill time */
#define SLIOCSUNIT _IOW('t', 80, int) /* set slip unit number */
/*
* Definitions of the pseudo-link-level header attached to slip
* packets grabbed by the packet filter (bpf) traffic monitor.
*/
#define SLIP_HDRLEN 16 /* BPF SLIP header length */
/* Offsets into BPF SLIP header. */
#define SLX_DIR 0 /* direction; see below */
#define SLX_CHDR 1 /* compressed header data */
#define CHDR_LEN 15 /* length of compressed header data */
#define SLIPDIR_IN 0 /* incoming */
#define SLIPDIR_OUT 1 /* outgoing */
#endif /* !_NET_SLIP_H */
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