1706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh/*-
2706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * Copyright (c) 1999 Brian Somers <brian@Awfulhak.org>
3706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * All rights reserved.
4706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh *
5706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * Redistribution and use in source and binary forms, with or without
6706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * modification, are permitted provided that the following conditions
7706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * are met:
8706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * 1. Redistributions of source code must retain the above copyright
9706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh *    notice, this list of conditions and the following disclaimer.
10706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * 2. Redistributions in binary form must reproduce the above copyright
11706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh *    notice, this list of conditions and the following disclaimer in the
12706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh *    documentation and/or other materials provided with the distribution.
13706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh *
14706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * SUCH DAMAGE.
25706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh *
26706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh * $FreeBSD: src/usr.sbin/ppp/sync.h,v 1.2.62.1 2010/12/21 17:10:29 kensmith Exp $
27706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh */
28706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yeh
29706e567fc5ff6b79738a5f470e5aa7b2cae76459Chia-chi Yehextern struct layer synclayer;
30