Win32 API 日本語リファレンス
ホームNetworkManagement.IpHelper › MIB_UNICASTIPADDRESS_TABLE

MIB_UNICASTIPADDRESS_TABLE

構造体
サイズx64: 96 バイト / x86: 88 バイト

サイズ=各フィールドのバイト数(x64/x86 で異なる場合は x64/x86 と併記)。x64/x86 列=フィールドのバイトオフセット(HSPで dupptr / lpoke / wpoke 等に使用)。

フィールド

フィールドサイズx64x86説明
NumEntriesDWORD4+0+0配列内のユニキャスト IP アドレスのエントリ数を指定する値です。
TableMIB_UNICASTIPADDRESS_ROW88/80+8+8ユニキャスト IP アドレスのエントリを格納する MIB_UNICASTIPADDRESS_ROW 構造体の配列です。

公式ドキュメント

MIB_UNICASTIPADDRESS_TABLE 構造体は、ユニキャスト IP アドレスのエントリのテーブルを格納します。

解説(Remarks)

MIB_UNICASTIPADDRESS_TABLE 構造体は、Windows Vista 以降で定義されています。

GetUnicastIpAddressTable 関数は、ローカル システム上のユニキャスト IP アドレスを列挙し、その情報を MIB_UNICASTIPADDRESS_TABLE 構造体で返します。

MIB_UNICASTIPADDRESS_TABLE 構造体には、NumEntries メンバーと Table メンバー内の最初の MIB_UNICASTIPADDRESS_ROW 配列エントリとの間に、アラインメントのためのパディングが含まれる場合があります。また、Table メンバー内の MIB_UNICASTIPADDRESS_ROW 配列エントリの間にも、アラインメントのためのパディングが存在する場合があります。MIB_UNICASTIPADDRESS_ROW 配列エントリにアクセスする際は、パディングが存在する可能性を想定してください。

次の例では、ユニキャスト IP アドレスのテーブルを取得し、取得した各 MIB_UNICASTIPADDRESS_ROW 構造体からいくつかの値を出力します。


#ifndef UNICODE
#define UNICODE
#endif

#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#include <Windows.h.>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <ws2ipdef.h>
#include <iphlpapi.h>
#include <stdio.h>
#include <stdlib.h>

// Need to link with Iphlpapi.lib and Ws2_32.lib
#pragma comment (lib, "iphlpapi.lib")
#pragma comment (lib, "Ws2_32.lib")

int __cdecl wmain()
{

    // Declare and initialize variables

    unsigned int i;

    DWORD Result = 0;

    WCHAR Ipv4String[16] = { 0 };
    WCHAR Ipv6String[46] = { 0 };

    PMIB_UNICASTIPADDRESS_TABLE pipTable = NULL;

    Result = GetUnicastIpAddressTable(AF_UNSPEC, &pipTable);
    if (Result != NO_ERROR) {
        wprintf(L"GetUnicastIpAddressTable returned error: %ld\n", Result);
        exit(1);
    }
    // Print some variables from the rows in the table
    wprintf(L"Number of table entries: %d\n\n", pipTable->NumEntries);

    for (i = 0; i < pipTable->NumEntries; i++) {
        wprintf(L"AddressFamily[%d]:\t\t ", i);

        switch (pipTable->Table[i].Address.si_family) {
        case AF_INET:
            wprintf(L"IPv4\n");
            if (InetNtopW
                (AF_INET, &pipTable->Table[i].Address.Ipv4.sin_addr, Ipv4String,
                 16) != NULL)
                wprintf(L"IPv4 Address:\t\t\t %ws\n", Ipv4String);
            break;
        case AF_INET6:
            wprintf(L"IPv6\n");
            if (InetNtopW
                (AF_INET6, &pipTable->Table[i].Address.Ipv6.sin6_addr,
                 Ipv6String, 46) != NULL)
                wprintf(L"IPv6 Address:\t\t\t %ws\n", Ipv6String);
            break;
        default:
            wprintf(L"Other: %d\n", pipTable->Table[i].Address.si_family);
            break;
        }

        wprintf(L"Interface LUID NetLuidIndex[%d]:  %lu\n",
               i, pipTable->Table[i].InterfaceLuid.Info.NetLuidIndex);
        wprintf(L"Interface LUID IfType[%d]:\t ", i);
        switch (pipTable->Table[i].InterfaceLuid.Info.IfType) {
        case IF_TYPE_OTHER:
            wprintf(L"Other\n");
            break;
        case IF_TYPE_ETHERNET_CSMACD:
            wprintf(L"Ethernet\n");
            break;
        case IF_TYPE_ISO88025_TOKENRING:
            wprintf(L"Token ring\n");
            break;
        case IF_TYPE_PPP:
            wprintf(L"PPP\n");
            break;
        case IF_TYPE_SOFTWARE_LOOPBACK:
            wprintf(L"Software loopback\n");
            break;
        case IF_TYPE_ATM:
            wprintf(L"ATM\n");
            break;
        case IF_TYPE_IEEE80211:
            wprintf(L"802.11 wireless\n");
            break;
        case IF_TYPE_TUNNEL:
            wprintf(L"Tunnel encapsulation\n");
            break;
        case IF_TYPE_IEEE1394:
            wprintf(L"IEEE 1394 (Firewire)\n");
            break;
        default:
            wprintf(L"Unknown: %d\n",
                   pipTable->Table[i].InterfaceLuid.Info.IfType);
            break;
        }

        wprintf(L"Interface Index[%d]:\t\t %lu\n",
               i, pipTable->Table[i].InterfaceIndex);

        wprintf(L"Prefix Origin[%d]:\t\t ", i);
        switch (pipTable->Table[i].PrefixOrigin) {
        case IpPrefixOriginOther:
            wprintf(L"IpPrefixOriginOther\n");
            break;
        case IpPrefixOriginManual:
            wprintf(L"IpPrefixOriginManual\n");
            break;
        case IpPrefixOriginWellKnown:
            wprintf(L"IpPrefixOriginWellKnown\n");
            break;
        case IpPrefixOriginDhcp:
            wprintf(L"IpPrefixOriginDhcp\n");
            break;
        case IpPrefixOriginRouterAdvertisement:
            wprintf(L"IpPrefixOriginRouterAdvertisement\n");
            break;
        case IpPrefixOriginUnchanged:
            wprintf(L"IpPrefixOriginUnchanged\n");
            break;
        default:
            wprintf(L"Unknown: %d\n", pipTable->Table[i].PrefixOrigin);
            break;
        }

        wprintf(L"Suffix Origin[%d]:\t\t ", i);
        switch (pipTable->Table[i].SuffixOrigin) {
        case IpSuffixOriginOther:
            wprintf(L"IpSuffixOriginOther\n");
            break;
        case IpSuffixOriginManual:
            wprintf(L"IpSuffixOriginManual\n");
            break;
        case IpSuffixOriginWellKnown:
            wprintf(L"IpSuffixOriginWellKnown\n");
            break;
        case IpSuffixOriginDhcp:
            wprintf(L"IpSuffixOriginDhcp\n");
            break;
        case IpSuffixOriginLinkLayerAddress:
            wprintf(L"IpSuffixOriginLinkLayerAddress\n");
            break;
        case IpSuffixOriginRandom:
            wprintf(L"IpSuffixOriginRandom\n");
            break;
        case IpSuffixOriginUnchanged:
            wprintf(L"IpSuffixOriginUnchanged\n");
            break;
        default:
            wprintf(L"Unknown: %d\n", pipTable->Table[i].SuffixOrigin);
            break;
        }

        wprintf(L"Valid Lifetime[%d]:\t\t 0x%x (%u)\n", i,
               pipTable->Table[i].ValidLifetime,
               pipTable->Table[i].ValidLifetime);

        wprintf(L"Preferred Lifetime[%d]:\t\t 0x%x (%u)\n", i,
               pipTable->Table[i].PreferredLifetime,
               pipTable->Table[i].PreferredLifetime);

        wprintf(L"OnLink PrefixLength[%d]:\t\t %lu\n", i,
               pipTable->Table[i].OnLinkPrefixLength);

        wprintf(L"Skip As Source[%d]:\t\t ", i);
        if (pipTable->Table[i].SkipAsSource)
            wprintf(L"Yes\n");
        else
            wprintf(L"No\n");

        wprintf(L"Dad State[%d]:\t\t\t ", i);
        switch (pipTable->Table[i].DadState) {
        case IpDadStateInvalid:
            wprintf(L"IpDadStateInvalid\n");
            break;
        case IpDadStateTentative:
            wprintf(L"IpDadStateTentative\n");
            break;
        case IpDadStateDuplicate:
            wprintf(L"IpDadStateDuplicate\n");
            break;
        case IpDadStateDeprecated:
            wprintf(L"IpDadStateDeprecated\n");
            break;
        case IpDadStatePreferred:
            wprintf(L"IpDadStatePreferred\n");
            break;
        default:
            wprintf(L"Unknown: %d\n", pipTable->Table[i].DadState);
            break;
        }

        wprintf(L"\n");
    }

    if (pipTable != NULL) {
        FreeMibTable(pipTable);
        pipTable = NULL;
    }

    exit(0);
}

出典・ライセンス: 上記「公式ドキュメント」の内容は Microsoft の Win32 API ドキュメント(MicrosoftDocs/sdk-api)を日本語に翻訳・改変したものです。© Microsoft Corporation. CC BY 4.0 で提供。
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)

各言語での定義

#include <windows.h>

// IN_ADDR  (x64 8 / x86 4 バイト)
typedef struct IN_ADDR {
    _S_un_e__Union S_un;
} IN_ADDR;

// SOCKADDR_IN  (x64 24 / x86 16 バイト)
typedef struct SOCKADDR_IN {
    ADDRESS_FAMILY sin_family;
    WORD sin_port;
    IN_ADDR sin_addr;
    CHAR sin_zero[8];
} SOCKADDR_IN;

// IN6_ADDR  (x64 16 / x86 16 バイト)
typedef struct IN6_ADDR {
    _u_e__Union u;
} IN6_ADDR;

// SOCKADDR_IN6  (x64 32 / x86 28 バイト)
typedef struct SOCKADDR_IN6 {
    ADDRESS_FAMILY sin6_family;
    WORD sin6_port;
    DWORD sin6_flowinfo;
    IN6_ADDR sin6_addr;
    _Anonymous_e__Union Anonymous;
} SOCKADDR_IN6;

// SOCKADDR_INET  (x64 32 / x86 28 バイト)
typedef struct SOCKADDR_INET {
    SOCKADDR_IN Ipv4;
    SOCKADDR_IN6 Ipv6;
    ADDRESS_FAMILY si_family;
} SOCKADDR_INET;

// NET_LUID_LH  (x64 8 / x86 8 バイト)
typedef struct NET_LUID_LH {
    ULONGLONG Value;
    _Info_e__Struct Info;
} NET_LUID_LH;

// SCOPE_ID  (x64 8 / x86 4 バイト)
typedef struct SCOPE_ID {
    _Anonymous_e__Union Anonymous;
} SCOPE_ID;

// MIB_UNICASTIPADDRESS_ROW  (x64 88 / x86 80 バイト)
typedef struct MIB_UNICASTIPADDRESS_ROW {
    SOCKADDR_INET Address;
    NET_LUID_LH InterfaceLuid;
    DWORD InterfaceIndex;
    NL_PREFIX_ORIGIN PrefixOrigin;
    NL_SUFFIX_ORIGIN SuffixOrigin;
    DWORD ValidLifetime;
    DWORD PreferredLifetime;
    BYTE OnLinkPrefixLength;
    BOOLEAN SkipAsSource;
    NL_DAD_STATE DadState;
    SCOPE_ID ScopeId;
    LONGLONG CreationTimeStamp;
} MIB_UNICASTIPADDRESS_ROW;

// MIB_UNICASTIPADDRESS_TABLE  (x64 96 / x86 88 バイト)
typedef struct MIB_UNICASTIPADDRESS_TABLE {
    DWORD NumEntries;
    MIB_UNICASTIPADDRESS_ROW Table[1];
} MIB_UNICASTIPADDRESS_TABLE;
using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IN_ADDR
{
    public _S_un_e__Union S_un;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SOCKADDR_IN
{
    public ushort sin_family;
    public ushort sin_port;
    public IN_ADDR sin_addr;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public sbyte[] sin_zero;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct IN6_ADDR
{
    public _u_e__Union u;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SOCKADDR_IN6
{
    public ushort sin6_family;
    public ushort sin6_port;
    public uint sin6_flowinfo;
    public IN6_ADDR sin6_addr;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SOCKADDR_INET
{
    public SOCKADDR_IN Ipv4;
    public SOCKADDR_IN6 Ipv6;
    public ushort si_family;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct NET_LUID_LH
{
    public ulong Value;
    public _Info_e__Struct Info;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SCOPE_ID
{
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MIB_UNICASTIPADDRESS_ROW
{
    public SOCKADDR_INET Address;
    public NET_LUID_LH InterfaceLuid;
    public uint InterfaceIndex;
    public int PrefixOrigin;
    public int SuffixOrigin;
    public uint ValidLifetime;
    public uint PreferredLifetime;
    public byte OnLinkPrefixLength;
    [MarshalAs(UnmanagedType.U1)] public bool SkipAsSource;
    public int DadState;
    public SCOPE_ID ScopeId;
    public long CreationTimeStamp;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct MIB_UNICASTIPADDRESS_TABLE
{
    public uint NumEntries;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public MIB_UNICASTIPADDRESS_ROW[] Table;
}
Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IN_ADDR
    Public S_un As _S_un_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SOCKADDR_IN
    Public sin_family As UShort
    Public sin_port As UShort
    Public sin_addr As IN_ADDR
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=8)> Public sin_zero() As SByte
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure IN6_ADDR
    Public u As _u_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SOCKADDR_IN6
    Public sin6_family As UShort
    Public sin6_port As UShort
    Public sin6_flowinfo As UInteger
    Public sin6_addr As IN6_ADDR
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SOCKADDR_INET
    Public Ipv4 As SOCKADDR_IN
    Public Ipv6 As SOCKADDR_IN6
    Public si_family As UShort
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure NET_LUID_LH
    Public Value As ULong
    Public Info As _Info_e__Struct
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SCOPE_ID
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MIB_UNICASTIPADDRESS_ROW
    Public Address As SOCKADDR_INET
    Public InterfaceLuid As NET_LUID_LH
    Public InterfaceIndex As UInteger
    Public PrefixOrigin As Integer
    Public SuffixOrigin As Integer
    Public ValidLifetime As UInteger
    Public PreferredLifetime As UInteger
    Public OnLinkPrefixLength As Byte
    <MarshalAs(UnmanagedType.U1)> Public SkipAsSource As Boolean
    Public DadState As Integer
    Public ScopeId As SCOPE_ID
    Public CreationTimeStamp As Long
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure MIB_UNICASTIPADDRESS_TABLE
    Public NumEntries As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public Table() As MIB_UNICASTIPADDRESS_ROW
End Structure
import ctypes
from ctypes import wintypes

class IN_ADDR(ctypes.Structure):
    _fields_ = [
        ("S_un", _S_un_e__Union),
    ]

class SOCKADDR_IN(ctypes.Structure):
    _fields_ = [
        ("sin_family", ctypes.c_ushort),
        ("sin_port", ctypes.c_ushort),
        ("sin_addr", IN_ADDR),
        ("sin_zero", ctypes.c_byte * 8),
    ]

class IN6_ADDR(ctypes.Structure):
    _fields_ = [
        ("u", _u_e__Union),
    ]

class SOCKADDR_IN6(ctypes.Structure):
    _fields_ = [
        ("sin6_family", ctypes.c_ushort),
        ("sin6_port", ctypes.c_ushort),
        ("sin6_flowinfo", wintypes.DWORD),
        ("sin6_addr", IN6_ADDR),
        ("Anonymous", _Anonymous_e__Union),
    ]

class SOCKADDR_INET(ctypes.Structure):
    _fields_ = [
        ("Ipv4", SOCKADDR_IN),
        ("Ipv6", SOCKADDR_IN6),
        ("si_family", ctypes.c_ushort),
    ]

class NET_LUID_LH(ctypes.Structure):
    _fields_ = [
        ("Value", ctypes.c_ulonglong),
        ("Info", _Info_e__Struct),
    ]

class SCOPE_ID(ctypes.Structure):
    _fields_ = [
        ("Anonymous", _Anonymous_e__Union),
    ]

class MIB_UNICASTIPADDRESS_ROW(ctypes.Structure):
    _fields_ = [
        ("Address", SOCKADDR_INET),
        ("InterfaceLuid", NET_LUID_LH),
        ("InterfaceIndex", wintypes.DWORD),
        ("PrefixOrigin", ctypes.c_int),
        ("SuffixOrigin", ctypes.c_int),
        ("ValidLifetime", wintypes.DWORD),
        ("PreferredLifetime", wintypes.DWORD),
        ("OnLinkPrefixLength", ctypes.c_ubyte),
        ("SkipAsSource", ctypes.c_byte),
        ("DadState", ctypes.c_int),
        ("ScopeId", SCOPE_ID),
        ("CreationTimeStamp", ctypes.c_longlong),
    ]

class MIB_UNICASTIPADDRESS_TABLE(ctypes.Structure):
    _fields_ = [
        ("NumEntries", wintypes.DWORD),
        ("Table", MIB_UNICASTIPADDRESS_ROW * 1),
    ]
#[repr(C)]
pub struct IN_ADDR {
    pub S_un: _S_un_e__Union,
}

#[repr(C)]
pub struct SOCKADDR_IN {
    pub sin_family: u16,
    pub sin_port: u16,
    pub sin_addr: IN_ADDR,
    pub sin_zero: [i8; 8],
}

#[repr(C)]
pub struct IN6_ADDR {
    pub u: _u_e__Union,
}

#[repr(C)]
pub struct SOCKADDR_IN6 {
    pub sin6_family: u16,
    pub sin6_port: u16,
    pub sin6_flowinfo: u32,
    pub sin6_addr: IN6_ADDR,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct SOCKADDR_INET {
    pub Ipv4: SOCKADDR_IN,
    pub Ipv6: SOCKADDR_IN6,
    pub si_family: u16,
}

#[repr(C)]
pub struct NET_LUID_LH {
    pub Value: u64,
    pub Info: _Info_e__Struct,
}

#[repr(C)]
pub struct SCOPE_ID {
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct MIB_UNICASTIPADDRESS_ROW {
    pub Address: SOCKADDR_INET,
    pub InterfaceLuid: NET_LUID_LH,
    pub InterfaceIndex: u32,
    pub PrefixOrigin: i32,
    pub SuffixOrigin: i32,
    pub ValidLifetime: u32,
    pub PreferredLifetime: u32,
    pub OnLinkPrefixLength: u8,
    pub SkipAsSource: u8,
    pub DadState: i32,
    pub ScopeId: SCOPE_ID,
    pub CreationTimeStamp: i64,
}

#[repr(C)]
pub struct MIB_UNICASTIPADDRESS_TABLE {
    pub NumEntries: u32,
    pub Table: [MIB_UNICASTIPADDRESS_ROW; 1],
}
import "golang.org/x/sys/windows"

type IN_ADDR struct {
	S_un _S_un_e__Union
}

type SOCKADDR_IN struct {
	sin_family uint16
	sin_port uint16
	sin_addr IN_ADDR
	sin_zero [8]int8
}

type IN6_ADDR struct {
	u _u_e__Union
}

type SOCKADDR_IN6 struct {
	sin6_family uint16
	sin6_port uint16
	sin6_flowinfo uint32
	sin6_addr IN6_ADDR
	Anonymous _Anonymous_e__Union
}

type SOCKADDR_INET struct {
	Ipv4 SOCKADDR_IN
	Ipv6 SOCKADDR_IN6
	si_family uint16
}

type NET_LUID_LH struct {
	Value uint64
	Info _Info_e__Struct
}

type SCOPE_ID struct {
	Anonymous _Anonymous_e__Union
}

type MIB_UNICASTIPADDRESS_ROW struct {
	Address SOCKADDR_INET
	InterfaceLuid NET_LUID_LH
	InterfaceIndex uint32
	PrefixOrigin int32
	SuffixOrigin int32
	ValidLifetime uint32
	PreferredLifetime uint32
	OnLinkPrefixLength byte
	SkipAsSource byte
	DadState int32
	ScopeId SCOPE_ID
	CreationTimeStamp int64
}

type MIB_UNICASTIPADDRESS_TABLE struct {
	NumEntries uint32
	Table [1]MIB_UNICASTIPADDRESS_ROW
}
type
  IN_ADDR = record
    S_un: _S_un_e__Union;
  end;

  SOCKADDR_IN = record
    sin_family: Word;
    sin_port: Word;
    sin_addr: IN_ADDR;
    sin_zero: array[0..7] of Shortint;
  end;

  IN6_ADDR = record
    u: _u_e__Union;
  end;

  SOCKADDR_IN6 = record
    sin6_family: Word;
    sin6_port: Word;
    sin6_flowinfo: DWORD;
    sin6_addr: IN6_ADDR;
    Anonymous: _Anonymous_e__Union;
  end;

  SOCKADDR_INET = record
    Ipv4: SOCKADDR_IN;
    Ipv6: SOCKADDR_IN6;
    si_family: Word;
  end;

  NET_LUID_LH = record
    Value: UInt64;
    Info: _Info_e__Struct;
  end;

  SCOPE_ID = record
    Anonymous: _Anonymous_e__Union;
  end;

  MIB_UNICASTIPADDRESS_ROW = record
    Address: SOCKADDR_INET;
    InterfaceLuid: NET_LUID_LH;
    InterfaceIndex: DWORD;
    PrefixOrigin: Integer;
    SuffixOrigin: Integer;
    ValidLifetime: DWORD;
    PreferredLifetime: DWORD;
    OnLinkPrefixLength: Byte;
    SkipAsSource: ByteBool;
    DadState: Integer;
    ScopeId: SCOPE_ID;
    CreationTimeStamp: Int64;
  end;

  MIB_UNICASTIPADDRESS_TABLE = record
    NumEntries: DWORD;
    Table: array[0..0] of MIB_UNICASTIPADDRESS_ROW;
  end;
const IN_ADDR = extern struct {
    S_un: _S_un_e__Union,
};

const SOCKADDR_IN = extern struct {
    sin_family: u16,
    sin_port: u16,
    sin_addr: IN_ADDR,
    sin_zero: [8]i8,
};

const IN6_ADDR = extern struct {
    u: _u_e__Union,
};

const SOCKADDR_IN6 = extern struct {
    sin6_family: u16,
    sin6_port: u16,
    sin6_flowinfo: u32,
    sin6_addr: IN6_ADDR,
    Anonymous: _Anonymous_e__Union,
};

const SOCKADDR_INET = extern struct {
    Ipv4: SOCKADDR_IN,
    Ipv6: SOCKADDR_IN6,
    si_family: u16,
};

const NET_LUID_LH = extern struct {
    Value: u64,
    Info: _Info_e__Struct,
};

const SCOPE_ID = extern struct {
    Anonymous: _Anonymous_e__Union,
};

const MIB_UNICASTIPADDRESS_ROW = extern struct {
    Address: SOCKADDR_INET,
    InterfaceLuid: NET_LUID_LH,
    InterfaceIndex: u32,
    PrefixOrigin: i32,
    SuffixOrigin: i32,
    ValidLifetime: u32,
    PreferredLifetime: u32,
    OnLinkPrefixLength: u8,
    SkipAsSource: u8,
    DadState: i32,
    ScopeId: SCOPE_ID,
    CreationTimeStamp: i64,
};

const MIB_UNICASTIPADDRESS_TABLE = extern struct {
    NumEntries: u32,
    Table: [1]MIB_UNICASTIPADDRESS_ROW,
};
type
  IN_ADDR {.bycopy.} = object
    S_un: _S_un_e__Union

  SOCKADDR_IN {.bycopy.} = object
    sin_family: uint16
    sin_port: uint16
    sin_addr: IN_ADDR
    sin_zero: array[8, int8]

  IN6_ADDR {.bycopy.} = object
    u: _u_e__Union

  SOCKADDR_IN6 {.bycopy.} = object
    sin6_family: uint16
    sin6_port: uint16
    sin6_flowinfo: uint32
    sin6_addr: IN6_ADDR
    Anonymous: _Anonymous_e__Union

  SOCKADDR_INET {.bycopy.} = object
    Ipv4: SOCKADDR_IN
    Ipv6: SOCKADDR_IN6
    si_family: uint16

  NET_LUID_LH {.bycopy.} = object
    Value: uint64
    Info: _Info_e__Struct

  SCOPE_ID {.bycopy.} = object
    Anonymous: _Anonymous_e__Union

  MIB_UNICASTIPADDRESS_ROW {.bycopy.} = object
    Address: SOCKADDR_INET
    InterfaceLuid: NET_LUID_LH
    InterfaceIndex: uint32
    PrefixOrigin: int32
    SuffixOrigin: int32
    ValidLifetime: uint32
    PreferredLifetime: uint32
    OnLinkPrefixLength: uint8
    SkipAsSource: uint8
    DadState: int32
    ScopeId: SCOPE_ID
    CreationTimeStamp: int64

  MIB_UNICASTIPADDRESS_TABLE {.bycopy.} = object
    NumEntries: uint32
    Table: array[1, MIB_UNICASTIPADDRESS_ROW]
struct IN_ADDR
{
    _S_un_e__Union S_un;
}

struct SOCKADDR_IN
{
    ushort sin_family;
    ushort sin_port;
    IN_ADDR sin_addr;
    byte[8] sin_zero;
}

struct IN6_ADDR
{
    _u_e__Union u;
}

struct SOCKADDR_IN6
{
    ushort sin6_family;
    ushort sin6_port;
    uint sin6_flowinfo;
    IN6_ADDR sin6_addr;
    _Anonymous_e__Union Anonymous;
}

struct SOCKADDR_INET
{
    SOCKADDR_IN Ipv4;
    SOCKADDR_IN6 Ipv6;
    ushort si_family;
}

struct NET_LUID_LH
{
    ulong Value;
    _Info_e__Struct Info;
}

struct SCOPE_ID
{
    _Anonymous_e__Union Anonymous;
}

struct MIB_UNICASTIPADDRESS_ROW
{
    SOCKADDR_INET Address;
    NET_LUID_LH InterfaceLuid;
    uint InterfaceIndex;
    int PrefixOrigin;
    int SuffixOrigin;
    uint ValidLifetime;
    uint PreferredLifetime;
    ubyte OnLinkPrefixLength;
    ubyte SkipAsSource;
    int DadState;
    SCOPE_ID ScopeId;
    long CreationTimeStamp;
}

struct MIB_UNICASTIPADDRESS_TABLE
{
    uint NumEntries;
    MIB_UNICASTIPADDRESS_ROW[1] Table;
}

HSP用 定義

HSP3.7/3.8 は構造体機能が無いため4byte整数配列(dim)+peek/poke で操作(32/64bitでサイズ・位置が異なる場合はタブで分割)。IronHSP は NSTRUCT(#defstruct/stdim/->)で32/64bit共通。

; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x86 レイアウト)
; MIB_UNICASTIPADDRESS_TABLE サイズ: 88 バイト(x86)
dim st, 22    ; 4byte整数×22(構造体サイズ 88 / 4 切り上げ)
; NumEntries : DWORD (+0, 4byte)  st.0 = 値  /  値 = st.0   (lpoke/lpeek も可)
; Table : MIB_UNICASTIPADDRESS_ROW (+8, 80byte)  varptr(st)+8 を基点に操作(80byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; HSP3.7/3.8 は構造体機能が無いため、4byte整数の配列変数で操作します。(x64 レイアウト)
; MIB_UNICASTIPADDRESS_TABLE サイズ: 96 バイト(x64)
dim st, 24    ; 4byte整数×24(構造体サイズ 96 / 4 切り上げ)
; NumEntries : DWORD (+0, 4byte)  st.0 = 値  /  値 = st.0   (lpoke/lpeek も可)
; Table : MIB_UNICASTIPADDRESS_ROW (+8, 88byte)  varptr(st)+8 を基点に操作(88byte:入れ子/配列)
; ※4byte境界の整数は添字 st.N(N=オフセット/4)で読み書き可。それ以外は peek/poke 系を使用。
; IronHSP は NSTRUCT(構造体)をサポート。32bit/64bit どちらでも同じコードで動作します。
; ※GUID・入れ子構造体はデフォルト型でないため、依存する #defstruct を先に定義(下記に同梱)。
#defstruct global SCOPE_ID
    #field byte Anonymous 8
#endstruct

#defstruct global MIB_UNICASTIPADDRESS_ROW
    #field byte Address 32
    #field byte InterfaceLuid 8
    #field int InterfaceIndex
    #field int PrefixOrigin
    #field int SuffixOrigin
    #field int ValidLifetime
    #field int PreferredLifetime
    #field byte OnLinkPrefixLength
    #field bool1 SkipAsSource
    #field int DadState
    #field SCOPE_ID ScopeId
    #field int64 CreationTimeStamp
#endstruct

#defstruct global MIB_UNICASTIPADDRESS_TABLE
    #field int NumEntries
    #field MIB_UNICASTIPADDRESS_ROW Table 1
#endstruct

stdim st, MIB_UNICASTIPADDRESS_TABLE        ; NSTRUCT 変数を確保
st->NumEntries = 100
mes "NumEntries=" + st->NumEntries