1ff77ab83SAlan Somers /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3ff77ab83SAlan Somers * 4ff77ab83SAlan Somers * Copyright (C) 2019 Jan Sucan <jansucan@FreeBSD.org> 5ff77ab83SAlan Somers * All rights reserved. 6ff77ab83SAlan Somers * 7ff77ab83SAlan Somers * Redistribution and use in source and binary forms, with or without 8ff77ab83SAlan Somers * modification, are permitted provided that the following conditions 9ff77ab83SAlan Somers * are met: 10ff77ab83SAlan Somers * 1. Redistributions of source code must retain the above copyright 11ff77ab83SAlan Somers * notice, this list of conditions and the following disclaimer. 12ff77ab83SAlan Somers * 2. Redistributions in binary form must reproduce the above copyright 13ff77ab83SAlan Somers * notice, this list of conditions and the following disclaimer in the 14ff77ab83SAlan Somers * documentation and/or other materials provided with the distribution. 15ff77ab83SAlan Somers * 16ff77ab83SAlan Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17ff77ab83SAlan Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18ff77ab83SAlan Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19ff77ab83SAlan Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20ff77ab83SAlan Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21ff77ab83SAlan Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22ff77ab83SAlan Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23ff77ab83SAlan Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24ff77ab83SAlan Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25ff77ab83SAlan Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26ff77ab83SAlan Somers * SUCH DAMAGE. 27ff77ab83SAlan Somers */ 28ff77ab83SAlan Somers 29ec7ea489SAlan Somers #ifndef UTILS_H 30ec7ea489SAlan Somers #define UTILS_H 1 31ff77ab83SAlan Somers 32ff77ab83SAlan Somers #include <sys/types.h> 33ff77ab83SAlan Somers 34ff77ab83SAlan Somers u_short in_cksum(u_char *, int); 35ff77ab83SAlan Somers 36ff77ab83SAlan Somers #endif 37