RtlIpv4AddressToStringExW

// ntdll.dll  (Unicode / -W)
#include <windows.h>

INT RtlIpv4AddressToStringExW(
    const IN_ADDR* Address,
    WORD Port,
    LPWSTR AddressString,
    DWORD* AddressStringLength
);

<DllImport("ntdll.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RtlIpv4AddressToStringExW(
    Address As IntPtr,   ' IN_ADDR*
    Port As UShort,   ' WORD
    <MarshalAs(UnmanagedType.LPWStr)> AddressString As System.Text.StringBuilder,   ' LPWSTR out
    ByRef AddressStringLength As UInteger   ' DWORD* in/out
) As Integer
End Function

' Address : IN_ADDR*
' Port : WORD
' AddressString : LPWSTR out
' AddressStringLength : DWORD* in/out
Declare PtrSafe Function RtlIpv4AddressToStringExW Lib "ntdll" ( _
    ByVal Address As LongPtr, _
    ByVal Port As Integer, _
    ByVal AddressString As LongPtr, _
    ByRef AddressStringLength As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RtlIpv4AddressToStringExW = ctypes.windll.ntdll.RtlIpv4AddressToStringExW
RtlIpv4AddressToStringExW.restype = ctypes.c_int
RtlIpv4AddressToStringExW.argtypes = [
    ctypes.c_void_p,  # Address : IN_ADDR*
    ctypes.c_ushort,  # Port : WORD
    wintypes.LPWSTR,  # AddressString : LPWSTR out
    ctypes.POINTER(wintypes.DWORD),  # AddressStringLength : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ntdll.dll')
RtlIpv4AddressToStringExW = Fiddle::Function.new(
  lib['RtlIpv4AddressToStringExW'],
  [
    Fiddle::TYPE_VOIDP,  # Address : IN_ADDR*
    -Fiddle::TYPE_SHORT,  # Port : WORD
    Fiddle::TYPE_VOIDP,  # AddressString : LPWSTR out
    Fiddle::TYPE_VOIDP,  # AddressStringLength : DWORD* in/out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "ntdll")]
extern "system" {
    fn RtlIpv4AddressToStringExW(
        Address: *const IN_ADDR,  // IN_ADDR*
        Port: u16,  // WORD
        AddressString: *mut u16,  // LPWSTR out
        AddressStringLength: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ntdll.dll", CharSet = CharSet.Unicode)]
public static extern int RtlIpv4AddressToStringExW(IntPtr Address, ushort Port, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder AddressString, ref uint AddressStringLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ntdll_RtlIpv4AddressToStringExW' -Namespace Win32 -PassThru
# $api::RtlIpv4AddressToStringExW(Address, Port, AddressString, AddressStringLength)

#uselib "ntdll.dll"
#func global RtlIpv4AddressToStringExW "RtlIpv4AddressToStringExW" wptr, wptr, wptr, wptr
; RtlIpv4AddressToStringExW varptr(Address), Port, varptr(AddressString), varptr(AddressStringLength)   ; 戻り値は stat
; Address : IN_ADDR* -> "wptr"
; Port : WORD -> "wptr"
; AddressString : LPWSTR out -> "wptr"
; AddressStringLength : DWORD* in/out -> "wptr"
; ※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。

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

var (
	ntdll = windows.NewLazySystemDLL("ntdll.dll")
	procRtlIpv4AddressToStringExW = ntdll.NewProc("RtlIpv4AddressToStringExW")
)

// Address (IN_ADDR*), Port (WORD), AddressString (LPWSTR out), AddressStringLength (DWORD* in/out)
r1, _, err := procRtlIpv4AddressToStringExW.Call(
	uintptr(Address),
	uintptr(Port),
	uintptr(AddressString),
	uintptr(AddressStringLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function RtlIpv4AddressToStringExW(
  Address: Pointer;   // IN_ADDR*
  Port: Word;   // WORD
  AddressString: PWideChar;   // LPWSTR out
  AddressStringLength: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlIpv4AddressToStringExW';

result := DllCall("ntdll\RtlIpv4AddressToStringExW"
    , "Ptr", Address   ; IN_ADDR*
    , "UShort", Port   ; WORD
    , "Ptr", AddressString   ; LPWSTR out
    , "Ptr", AddressStringLength   ; DWORD* in/out
    , "Int")   ; return: INT

●RtlIpv4AddressToStringExW(Address, Port, AddressString, AddressStringLength) = DLL("ntdll.dll", "int RtlIpv4AddressToStringExW(void*, int, char*, void*)")
# 呼び出し: RtlIpv4AddressToStringExW(Address, Port, AddressString, AddressStringLength)
# Address : IN_ADDR* -> "void*"
# Port : WORD -> "int"
# AddressString : LPWSTR out -> "char*"
# AddressStringLength : 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "ntdll" fn RtlIpv4AddressToStringExW(
    Address: [*c]IN_ADDR, // IN_ADDR*
    Port: u16, // WORD
    AddressString: [*c]u16, // LPWSTR out
    AddressStringLength: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc RtlIpv4AddressToStringExW(
    Address: ptr IN_ADDR,  # IN_ADDR*
    Port: uint16,  # WORD
    AddressString: ptr uint16,  # LPWSTR out
    AddressStringLength: ptr uint32  # DWORD* in/out
): int32 {.importc: "RtlIpv4AddressToStringExW", stdcall, dynlib: "ntdll.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "ntdll");
extern(Windows)
int RtlIpv4AddressToStringExW(
    IN_ADDR* Address,   // IN_ADDR*
    ushort Port,   // WORD
    wchar* AddressString,   // LPWSTR out
    uint* AddressStringLength   // DWORD* in/out
);

ccall((:RtlIpv4AddressToStringExW, "ntdll.dll"), stdcall, Int32,
      (Ptr{IN_ADDR}, UInt16, Ptr{UInt16}, Ptr{UInt32}),
      Address, Port, AddressString, AddressStringLength)
# Address : IN_ADDR* -> Ptr{IN_ADDR}
# Port : WORD -> UInt16
# AddressString : LPWSTR out -> Ptr{UInt16}
# AddressStringLength : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t RtlIpv4AddressToStringExW(
    void* Address,
    uint16_t Port,
    uint16_t* AddressString,
    uint32_t* AddressStringLength);
]]
local ntdll = ffi.load("ntdll")
-- ntdll.RtlIpv4AddressToStringExW(Address, Port, AddressString, AddressStringLength)
-- Address : IN_ADDR*
-- Port : WORD
-- AddressString : LPWSTR out
-- AddressStringLength : DWORD* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('ntdll.dll');
const RtlIpv4AddressToStringExW = lib.func('__stdcall', 'RtlIpv4AddressToStringExW', 'int32_t', ['void *', 'uint16_t', 'uint16_t *', 'uint32_t *']);
// RtlIpv4AddressToStringExW(Address, Port, AddressString, AddressStringLength)
// Address : IN_ADDR* -> 'void *'
// Port : WORD -> 'uint16_t'
// AddressString : LPWSTR out -> 'uint16_t *'
// AddressStringLength : DWORD* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("ntdll.dll", {
  RtlIpv4AddressToStringExW: { parameters: ["pointer", "u16", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.RtlIpv4AddressToStringExW(Address, Port, AddressString, AddressStringLength)
// Address : IN_ADDR* -> "pointer"
// Port : WORD -> "u16"
// AddressString : LPWSTR out -> "buffer"
// AddressStringLength : DWORD* in/out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t RtlIpv4AddressToStringExW(
    void* Address,
    uint16_t Port,
    uint16_t* AddressString,
    uint32_t* AddressStringLength);
C, "ntdll.dll");
// $ffi->RtlIpv4AddressToStringExW(Address, Port, AddressString, AddressStringLength);
// Address : IN_ADDR*
// Port : WORD
// AddressString : LPWSTR out
// AddressStringLength : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Ntdll extends StdCallLibrary {
    Ntdll INSTANCE = Native.load("ntdll", Ntdll.class, W32APIOptions.UNICODE_OPTIONS);
    int RtlIpv4AddressToStringExW(
        Pointer Address,   // IN_ADDR*
        short Port,   // WORD
        char[] AddressString,   // LPWSTR out
        IntByReference AddressStringLength   // DWORD* in/out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("ntdll")]
lib Libntdll
  fun RtlIpv4AddressToStringExW = RtlIpv4AddressToStringExW(
    Address : IN_ADDR*,   # IN_ADDR*
    Port : UInt16,   # WORD
    AddressString : UInt16*,   # LPWSTR out
    AddressStringLength : UInt32*   # DWORD* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef RtlIpv4AddressToStringExWNative = Int32 Function(Pointer<Void>, Uint16, Pointer<Utf16>, Pointer<Uint32>);
typedef RtlIpv4AddressToStringExWDart = int Function(Pointer<Void>, int, Pointer<Utf16>, Pointer<Uint32>);
final RtlIpv4AddressToStringExW = DynamicLibrary.open('ntdll.dll')
    .lookupFunction<RtlIpv4AddressToStringExWNative, RtlIpv4AddressToStringExWDart>('RtlIpv4AddressToStringExW');
// Address : IN_ADDR* -> Pointer<Void>
// Port : WORD -> Uint16
// AddressString : LPWSTR out -> Pointer<Utf16>
// AddressStringLength : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RtlIpv4AddressToStringExW(
  Address: Pointer;   // IN_ADDR*
  Port: Word;   // WORD
  AddressString: PWideChar;   // LPWSTR out
  AddressStringLength: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'ntdll.dll' name 'RtlIpv4AddressToStringExW';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "RtlIpv4AddressToStringExW"
  c_RtlIpv4AddressToStringExW :: Ptr () -> Word16 -> CWString -> Ptr Word32 -> IO Int32
-- Address : IN_ADDR* -> Ptr ()
-- Port : WORD -> Word16
-- AddressString : LPWSTR out -> CWString
-- AddressStringLength : DWORD* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let rtlipv4addresstostringexw =
  foreign "RtlIpv4AddressToStringExW"
    ((ptr void) @-> uint16_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> returning int32_t)
(* Address : IN_ADDR* -> (ptr void) *)
(* Port : WORD -> uint16_t *)
(* AddressString : LPWSTR out -> (ptr uint16_t) *)
(* AddressStringLength : DWORD* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library ntdll (t "ntdll.dll"))
(cffi:use-foreign-library ntdll)

(cffi:defcfun ("RtlIpv4AddressToStringExW" rtl-ipv4-address-to-string-ex-w :convention :stdcall) :int32
  (address :pointer)   ; IN_ADDR*
  (port :uint16)   ; WORD
  (address-string :pointer)   ; LPWSTR out
  (address-string-length :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RtlIpv4AddressToStringExW = Win32::API::More->new('ntdll',
    'int RtlIpv4AddressToStringExW(LPVOID Address, WORD Port, LPWSTR AddressString, LPVOID AddressStringLength)');
# my $ret = $RtlIpv4AddressToStringExW->Call($Address, $Port, $AddressString, $AddressStringLength);
# Address : IN_ADDR* -> LPVOID
# Port : WORD -> WORD
# AddressString : LPWSTR out -> LPWSTR
# AddressStringLength : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。