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63 lines
2.8 KiB
C
63 lines
2.8 KiB
C
/*-
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* Copyright (c) 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)slip.h 8.1 (Berkeley) 2/12/94
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* $FreeBSD$
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*/
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#ifndef _NET_SLIP_H_
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#define _NET_SLIP_H_
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/* Ioctls operating on SLIP ttys. */
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#define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */
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#define SLIOCSKEEPAL _IOW('t', 84, int) /* set keepalive */
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#define SLIOCSOUTFILL _IOW('t', 83, int) /* set out fill time */
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#define SLIOCGKEEPAL _IOR('t', 82, int) /* get keepalive time */
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#define SLIOCGOUTFILL _IOR('t', 81, int) /* get out fill time */
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#define SLIOCSUNIT _IOW('t', 80, int) /* set slip unit number */
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/*
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* Definitions of the pseudo-link-level header attached to slip
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* packets grabbed by the packet filter (bpf) traffic monitor.
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*/
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#define SLIP_HDRLEN 16 /* BPF SLIP header length */
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/* Offsets into BPF SLIP header. */
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#define SLX_DIR 0 /* direction; see below */
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#define SLX_CHDR 1 /* compressed header data */
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#define CHDR_LEN 15 /* length of compressed header data */
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#define SLIPDIR_IN 0 /* incoming */
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#define SLIPDIR_OUT 1 /* outgoing */
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#endif /* !_NET_SLIP_H */
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