#ifndef __NETINET_IP_H#define __NETINET_IP_H 1#include <glibc-bugs.h>#include <netinet/in.h>#include <linux/ip.h>#ifdef __USE_BSD/* * Copyright (c) 1982, 1986, 1993 *	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. * *	@(#)ip.h	8.1 (Berkeley) 6/10/93 *//* * Definitions for internet protocol version 4. * Per RFC 791, September 1981. *//* * Structure of an internet header, naked of options. */struct ip  {#if __BYTE_ORDER == __LITTLE_ENDIAN    u_int8_t ip_hl:4;			/* header length */    u_int8_t ip_v:4;			/* version */#endif#if __BYTE_ORDER == __BIG_ENDIAN    u_int8_t ip_v:4;			/* version */    u_int8_t ip_hl:4;			/* header length */#endif    u_int8_t ip_tos;			/* type of service */    u_short ip_len;			/* total length */    u_short ip_id;			/* identification */    u_short ip_off;			/* fragment offset field */#define	IP_RF 0x8000			/* reserved fragment flag */#define	IP_DF 0x4000			/* dont fragment flag */#define	IP_MF 0x2000			/* more fragments flag */#define	IP_OFFMASK 0x1fff		/* mask for fragmenting bits */    u_int8_t ip_ttl;			/* time to live */    u_int8_t ip_p;			/* protocol */    u_short ip_sum;			/* checksum */    struct in_addr ip_src, ip_dst;	/* source and dest address */  };/* * Time stamp option structure. */struct ip_timestamp  {    u_int8_t ipt_code;			/* IPOPT_TS */    u_int8_t ipt_len;			/* size of structure (variable) */    u_int8_t ipt_ptr;			/* index of current entry */#if __BYTE_ORDER == __LITTLE_ENDIAN    u_int8_t ipt_flg:4;			/* flags, see below */    u_int8_t ipt_oflw:4;		/* overflow counter */#endif#if __BYTE_ORDER == __BIG_ENDIAN    u_int8_t ipt_oflw:4;		/* overflow counter */    u_int8_t ipt_flg:4;			/* flags, see below */#endif    u_int32_t data[9];  };#endif /* __USE_BSD */#endif /* netinet/ip.h */