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  B   /ˆl–ß=¿Jå5*qAãNÜ TÅ£Ñ„_¿_†I|¥�+a–Ü4ý(&”ÔD¨ 	Å €zãN©‹Fÿ× ?÷     //* Copyright (C) 1991-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef	_NETINET_IN_H
#define	_NETINET_IN_H	1

#include <features.h>
#include <bits/stdint-uintn.h>
#include <sys/socket.h>
#include <bits/types.h>


__BEGIN_DECLS

/* Internet address.  */
typedef uint32_t in_addr_t;
struct in_addr
  {
    in_addr_t s_addr;
  };

/* Get system-specific definitions.  */
#include <bits/in.h>

/* Standard well-defined IP protocols.  */
enum
  {
    IPPROTO_IP = 0,	   /* Dummy protocol for TCP.  */
#define IPPROTO_IP		IPPROTO_IP
    IPPROTO_ICMP = 1,	   /* Internet Control Message Protocol.  */
#define IPPROTO_ICMP		IPPROTO_ICMP
    IPPROTO_IGMP = 2,	   /* Internet Group Management Protocol. */
#define IPPROTO_IGMP		IPPROTO_IGMP
    IPPROTO_IPIP = 4,	   /* IPIP tunnels (older KA9Q tunnels use 94).  */
#define IPPROTO_IPIP		IPPROTO_IPIP
    IPPROTO_TCP = 6,	   /* Transmission Control Protocol.  */
#define IPPROTO_TCP		IPPROTO_TCP
    IPPROTO_EGP = 8,	   /* Exterior Gateway Protocol.  */
#define IPPROTO_EGP		IPPROTO_EGP
    IPPROTO_PUP = 12,	   /* PUP protocol.  */
#define IPPROTO_PUP		IPPROTO_PUP
    IPPROTO_UDP = 17,	   /* User Datagram Protocol.  */
#define IPPROTO_UDP		IPPROTO_UDP
    IPPROTO_IDP = 22,	   /* XNS IDP protocol.  */
#define IPPROTO_IDP		IPPROTO_IDP
    IPPROTO_TP = 29,	   /* SO Transport Protocol Class 4.  */
#define IPPROTO_TP		IPPROTO_TP
    IPPROTO_DCCP = 33,	   /* Datagram Congestion Control Protocol.  */
#define IPPROTO_DCCP		IPPROTO_DCCP
    IPPROTO_IPV6 = 41,     /* IPv6 header.  */
#define IPPROTO_IPV6		IPPROTO_IPV6
    IPPROTO_RSVP = 46,	   /* Reservation Protocol.  */
#define IPPROTO_RSVP		IPPROTO_RSVP
    IPPROTO_GRE = 47,	   /* General Routing Encapsulation.  */
#define IPPROTO_GRE		IPPROTO_GRE
    IPPROTO_ESP = 50,      /* encapsulating security payload.  */
#define IPPROTO_ESP		IPPROTO_ESP
    IPPROTO_AH = 51,       /* authentication header.  */
#define IPPROTO_AH		IPPROTO_AH
    IPPROTO_MTP = 92,	   /* Multicast Transport Protocol.  */
#define IPPROTO_MTP		IPPROTO_MTP
    IPPROTO_BEETPH = 94,   /* IP option pseudo header for BEET.  */
#define IPPROTO_BEETPH		IPPROTO_BEETPH
    IPPROTO_ENCAP = 98,	   /* Encapsulation Header.  */
#define IPPROTO_ENCAP		IPPROTO_ENCAP
    IPPROTO_PIM = 103,	   /* Protocol Independent Multicast.  */
#define IPPROTO_PIM		IPPROTO_PIM
    IPPROTO_COMP = 108,	   /* Compression Header Protocol.  */
#define IPPROTO_COMP		IPPROTO_COMP
    IPPROTO_SCTP = 132,	   /* Stream Control Transmission Protocol.  */
#define IPPROTO_SCTP		IPPROTO_SCTP
    IPPROTO_UDPLITE = 136, /* UDP-Lite protocol.  */
#define IPPROTO_UDPLITE		IPPROTO_UDPLITE
    IPPROTO_MPLS = 137,    /* MPLS in IP.  */
#define IPPROTO_MPLS		IPPROTO_MPLS
    IPPROTO_ETHERNET = 143, /* Ethernet-within-IPv6 Encapsulation.  */
#define IPPROTO_ETHERNET	IPPROTO_ETHERNET
    IPPROTO_RAW = 255,	   /* Raw IP packets.  */
#define IPPROTO_RAW		IPPROTO_RAW
    IPPROTO_MPTCP = 262,   /* Multipath TCP connection.  */
#define IPPROTO_MPTCP		IPPROTO_MPTCP
    IPPROTO_MAX
  };

/* If __USE_KERNEL_IPV6_DEFS is 1 then the user has included the kernel
   network headers first and we should use those ABI-identical definitions
   instead of our own, otherwise 0.  */
#if !__USE_KERNEL_IPV6_DEFS
enum
  {
    IPPROTO_HOPOPTS = 0,   /* IPv6 Hop-by