GetAdaptersAddresses

// IPHLPAPI.dll
#include <windows.h>

DWORD GetAdaptersAddresses(
    DWORD Family,
    GET_ADAPTERS_ADDRESSES_FLAGS Flags,
    void* Reserved,   // optional
    IP_ADAPTER_ADDRESSES_LH* AdapterAddresses,   // optional
    DWORD* SizePointer
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function GetAdaptersAddresses(
    Family As UInteger,   ' DWORD
    Flags As UInteger,   ' GET_ADAPTERS_ADDRESSES_FLAGS
    Reserved As IntPtr,   ' void* optional
    AdapterAddresses As IntPtr,   ' IP_ADAPTER_ADDRESSES_LH* optional, out
    ByRef SizePointer As UInteger   ' DWORD* in/out
) As UInteger
End Function

' Family : DWORD
' Flags : GET_ADAPTERS_ADDRESSES_FLAGS
' Reserved : void* optional
' AdapterAddresses : IP_ADAPTER_ADDRESSES_LH* optional, out
' SizePointer : DWORD* in/out
Declare PtrSafe Function GetAdaptersAddresses Lib "iphlpapi" ( _
    ByVal Family As Long, _
    ByVal Flags As Long, _
    ByVal Reserved As LongPtr, _
    ByVal AdapterAddresses As LongPtr, _
    ByRef SizePointer As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetAdaptersAddresses = ctypes.windll.iphlpapi.GetAdaptersAddresses
GetAdaptersAddresses.restype = wintypes.DWORD
GetAdaptersAddresses.argtypes = [
    wintypes.DWORD,  # Family : DWORD
    wintypes.DWORD,  # Flags : GET_ADAPTERS_ADDRESSES_FLAGS
    ctypes.POINTER(None),  # Reserved : void* optional
    ctypes.c_void_p,  # AdapterAddresses : IP_ADAPTER_ADDRESSES_LH* optional, out
    ctypes.POINTER(wintypes.DWORD),  # SizePointer : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
GetAdaptersAddresses = Fiddle::Function.new(
  lib['GetAdaptersAddresses'],
  [
    -Fiddle::TYPE_INT,  # Family : DWORD
    -Fiddle::TYPE_INT,  # Flags : GET_ADAPTERS_ADDRESSES_FLAGS
    Fiddle::TYPE_VOIDP,  # Reserved : void* optional
    Fiddle::TYPE_VOIDP,  # AdapterAddresses : IP_ADAPTER_ADDRESSES_LH* optional, out
    Fiddle::TYPE_VOIDP,  # SizePointer : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn GetAdaptersAddresses(
        Family: u32,  // DWORD
        Flags: u32,  // GET_ADAPTERS_ADDRESSES_FLAGS
        Reserved: *mut (),  // void* optional
        AdapterAddresses: *mut IP_ADAPTER_ADDRESSES_LH,  // IP_ADAPTER_ADDRESSES_LH* optional, out
        SizePointer: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint GetAdaptersAddresses(uint Family, uint Flags, IntPtr Reserved, IntPtr AdapterAddresses, ref uint SizePointer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_GetAdaptersAddresses' -Namespace Win32 -PassThru
# $api::GetAdaptersAddresses(Family, Flags, Reserved, AdapterAddresses, SizePointer)

#uselib "IPHLPAPI.dll"
#func global GetAdaptersAddresses "GetAdaptersAddresses" sptr, sptr, sptr, sptr, sptr
; GetAdaptersAddresses Family, Flags, Reserved, varptr(AdapterAddresses), varptr(SizePointer)   ; 戻り値は stat
; Family : DWORD -> "sptr"
; Flags : GET_ADAPTERS_ADDRESSES_FLAGS -> "sptr"
; Reserved : void* optional -> "sptr"
; AdapterAddresses : IP_ADAPTER_ADDRESSES_LH* optional, out -> "sptr"
; SizePointer : DWORD* in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "IPHLPAPI.dll"
#cfunc global GetAdaptersAddresses "GetAdaptersAddresses" int, int, sptr, var, var
; res = GetAdaptersAddresses(Family, Flags, Reserved, AdapterAddresses, SizePointer)
; Family : DWORD -> "int"
; Flags : GET_ADAPTERS_ADDRESSES_FLAGS -> "int"
; Reserved : void* optional -> "sptr"
; AdapterAddresses : IP_ADAPTER_ADDRESSES_LH* optional, out -> "var"
; SizePointer : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD GetAdaptersAddresses(DWORD Family, GET_ADAPTERS_ADDRESSES_FLAGS Flags, void* Reserved, IP_ADAPTER_ADDRESSES_LH* AdapterAddresses, DWORD* SizePointer)
#uselib "IPHLPAPI.dll"
#cfunc global GetAdaptersAddresses "GetAdaptersAddresses" int, int, intptr, var, var
; res = GetAdaptersAddresses(Family, Flags, Reserved, AdapterAddresses, SizePointer)
; Family : DWORD -> "int"
; Flags : GET_ADAPTERS_ADDRESSES_FLAGS -> "int"
; Reserved : void* optional -> "intptr"
; AdapterAddresses : IP_ADAPTER_ADDRESSES_LH* optional, out -> "var"
; SizePointer : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procGetAdaptersAddresses = iphlpapi.NewProc("GetAdaptersAddresses")
)

// Family (DWORD), Flags (GET_ADAPTERS_ADDRESSES_FLAGS), Reserved (void* optional), AdapterAddresses (IP_ADAPTER_ADDRESSES_LH* optional, out), SizePointer (DWORD* in/out)
r1, _, err := procGetAdaptersAddresses.Call(
	uintptr(Family),
	uintptr(Flags),
	uintptr(Reserved),
	uintptr(AdapterAddresses),
	uintptr(SizePointer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetAdaptersAddresses(
  Family: DWORD;   // DWORD
  Flags: DWORD;   // GET_ADAPTERS_ADDRESSES_FLAGS
  Reserved: Pointer;   // void* optional
  AdapterAddresses: Pointer;   // IP_ADAPTER_ADDRESSES_LH* optional, out
  SizePointer: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'GetAdaptersAddresses';

result := DllCall("IPHLPAPI\GetAdaptersAddresses"
    , "UInt", Family   ; DWORD
    , "UInt", Flags   ; GET_ADAPTERS_ADDRESSES_FLAGS
    , "Ptr", Reserved   ; void* optional
    , "Ptr", AdapterAddresses   ; IP_ADAPTER_ADDRESSES_LH* optional, out
    , "Ptr", SizePointer   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●GetAdaptersAddresses(Family, Flags, Reserved, AdapterAddresses, SizePointer) = DLL("IPHLPAPI.dll", "dword GetAdaptersAddresses(dword, dword, void*, void*, void*)")
# 呼び出し: GetAdaptersAddresses(Family, Flags, Reserved, AdapterAddresses, SizePointer)
# Family : DWORD -> "dword"
# Flags : GET_ADAPTERS_ADDRESSES_FLAGS -> "dword"
# Reserved : void* optional -> "void*"
# AdapterAddresses : IP_ADAPTER_ADDRESSES_LH* optional, out -> "void*"
# SizePointer : DWORD* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。