/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
 */

#pragma once

#include <bits/stdint.h>
#include <sys/cdefs.h>
#include <sys/socket.h>

__BEGIN_DECLS

typedef uint32_t in_addr_t;
in_addr_t inet_addr(const char*);

#define INADDR_ANY ((in_addr_t)0)
#define INADDR_NONE ((in_addr_t)-1)
#define INADDR_LOOPBACK 0x7f000001

#define IN_LOOPBACKNET 127

#define IP_TTL 2

#define IPPORT_RESERVED 1024
#define IPPORT_USERRESERVED 5000

typedef uint16_t in_port_t;

struct in_addr {
    uint32_t s_addr;
};

struct sockaddr_in {
    sa_family_t sin_family;
    in_port_t sin_port;
    struct in_addr sin_addr;
    char sin_zero[8];
};

struct in6_addr {
    uint8_t s6_addr[16];
};

struct sockaddr_in6 {
    sa_family_t sin6_family;   // AF_INET6.
    in_port_t sin6_port;       // Port number.
    uint32_t sin6_flowinfo;    // IPv6 traffic class and flow information.
    struct in6_addr sin6_addr; // IPv6 address.
    uint32_t sin6_scope_id;    // Set of interfaces for a scop
};

__END_DECLS