RegConnectRegistryExW

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

INT RegConnectRegistryExW(
    LPCWSTR lpMachineName,   // optional
    HKEY hKey,
    DWORD Flags,
    HKEY* phkResult
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RegConnectRegistryExW(
    <MarshalAs(UnmanagedType.LPWStr)> lpMachineName As String,   ' LPCWSTR optional
    hKey As IntPtr,   ' HKEY
    Flags As UInteger,   ' DWORD
    phkResult As IntPtr   ' HKEY* out
) As Integer
End Function

' lpMachineName : LPCWSTR optional
' hKey : HKEY
' Flags : DWORD
' phkResult : HKEY* out
Declare PtrSafe Function RegConnectRegistryExW Lib "advapi32" ( _
    ByVal lpMachineName As LongPtr, _
    ByVal hKey As LongPtr, _
    ByVal Flags As Long, _
    ByVal phkResult As LongPtr) 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

RegConnectRegistryExW = ctypes.windll.advapi32.RegConnectRegistryExW
RegConnectRegistryExW.restype = ctypes.c_int
RegConnectRegistryExW.argtypes = [
    wintypes.LPCWSTR,  # lpMachineName : LPCWSTR optional
    wintypes.HANDLE,  # hKey : HKEY
    wintypes.DWORD,  # Flags : DWORD
    ctypes.c_void_p,  # phkResult : HKEY* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
RegConnectRegistryExW = Fiddle::Function.new(
  lib['RegConnectRegistryExW'],
  [
    Fiddle::TYPE_VOIDP,  # lpMachineName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # hKey : HKEY
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # phkResult : HKEY* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "advapi32")]
extern "system" {
    fn RegConnectRegistryExW(
        lpMachineName: *const u16,  // LPCWSTR optional
        hKey: *mut core::ffi::c_void,  // HKEY
        Flags: u32,  // DWORD
        phkResult: *mut *mut core::ffi::c_void  // HKEY* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode)]
public static extern int RegConnectRegistryExW([MarshalAs(UnmanagedType.LPWStr)] string lpMachineName, IntPtr hKey, uint Flags, IntPtr phkResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_RegConnectRegistryExW' -Namespace Win32 -PassThru
# $api::RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult)

#uselib "ADVAPI32.dll"
#func global RegConnectRegistryExW "RegConnectRegistryExW" wptr, wptr, wptr, wptr
; RegConnectRegistryExW lpMachineName, hKey, Flags, phkResult   ; 戻り値は stat
; lpMachineName : LPCWSTR optional -> "wptr"
; hKey : HKEY -> "wptr"
; Flags : DWORD -> "wptr"
; phkResult : HKEY* 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。

#uselib "ADVAPI32.dll"
#cfunc global RegConnectRegistryExW "RegConnectRegistryExW" wstr, sptr, int, sptr
; res = RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult)
; lpMachineName : LPCWSTR optional -> "wstr"
; hKey : HKEY -> "sptr"
; Flags : DWORD -> "int"
; phkResult : HKEY* out -> "sptr"

; INT RegConnectRegistryExW(LPCWSTR lpMachineName, HKEY hKey, DWORD Flags, HKEY* phkResult)
#uselib "ADVAPI32.dll"
#cfunc global RegConnectRegistryExW "RegConnectRegistryExW" wstr, intptr, int, intptr
; res = RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult)
; lpMachineName : LPCWSTR optional -> "wstr"
; hKey : HKEY -> "intptr"
; Flags : DWORD -> "int"
; phkResult : HKEY* out -> "intptr"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procRegConnectRegistryExW = advapi32.NewProc("RegConnectRegistryExW")
)

// lpMachineName (LPCWSTR optional), hKey (HKEY), Flags (DWORD), phkResult (HKEY* out)
r1, _, err := procRegConnectRegistryExW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpMachineName))),
	uintptr(hKey),
	uintptr(Flags),
	uintptr(phkResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function RegConnectRegistryExW(
  lpMachineName: PWideChar;   // LPCWSTR optional
  hKey: THandle;   // HKEY
  Flags: DWORD;   // DWORD
  phkResult: Pointer   // HKEY* out
): Integer; stdcall;
  external 'ADVAPI32.dll' name 'RegConnectRegistryExW';

result := DllCall("ADVAPI32\RegConnectRegistryExW"
    , "WStr", lpMachineName   ; LPCWSTR optional
    , "Ptr", hKey   ; HKEY
    , "UInt", Flags   ; DWORD
    , "Ptr", phkResult   ; HKEY* out
    , "Int")   ; return: INT

●RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult) = DLL("ADVAPI32.dll", "int RegConnectRegistryExW(char*, void*, dword, void*)")
# 呼び出し: RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult)
# lpMachineName : LPCWSTR optional -> "char*"
# hKey : HKEY -> "void*"
# Flags : DWORD -> "dword"
# phkResult : HKEY* 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 "advapi32" fn RegConnectRegistryExW(
    lpMachineName: [*c]const u16, // LPCWSTR optional
    hKey: ?*anyopaque, // HKEY
    Flags: u32, // DWORD
    phkResult: ?*anyopaque // HKEY* 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 RegConnectRegistryExW(
    lpMachineName: WideCString,  # LPCWSTR optional
    hKey: pointer,  # HKEY
    Flags: uint32,  # DWORD
    phkResult: pointer  # HKEY* out
): int32 {.importc: "RegConnectRegistryExW", stdcall, dynlib: "ADVAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "advapi32");
extern(Windows)
int RegConnectRegistryExW(
    const(wchar)* lpMachineName,   // LPCWSTR optional
    void* hKey,   // HKEY
    uint Flags,   // DWORD
    void* phkResult   // HKEY* out
);

ccall((:RegConnectRegistryExW, "ADVAPI32.dll"), stdcall, Int32,
      (Cwstring, Ptr{Cvoid}, UInt32, Ptr{Cvoid}),
      lpMachineName, hKey, Flags, phkResult)
# lpMachineName : LPCWSTR optional -> Cwstring
# hKey : HKEY -> Ptr{Cvoid}
# Flags : DWORD -> UInt32
# phkResult : HKEY* out -> Ptr{Cvoid}
# 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 RegConnectRegistryExW(
    const uint16_t* lpMachineName,
    void* hKey,
    uint32_t Flags,
    void* phkResult);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult)
-- lpMachineName : LPCWSTR optional
-- hKey : HKEY
-- Flags : DWORD
-- phkResult : HKEY* 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('ADVAPI32.dll');
const RegConnectRegistryExW = lib.func('__stdcall', 'RegConnectRegistryExW', 'int32_t', ['str16', 'void *', 'uint32_t', 'void *']);
// RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult)
// lpMachineName : LPCWSTR optional -> 'str16'
// hKey : HKEY -> 'void *'
// Flags : DWORD -> 'uint32_t'
// phkResult : HKEY* out -> 'void *'
// 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("ADVAPI32.dll", {
  RegConnectRegistryExW: { parameters: ["buffer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult)
// lpMachineName : LPCWSTR optional -> "buffer"
// hKey : HKEY -> "pointer"
// Flags : DWORD -> "u32"
// phkResult : HKEY* 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 RegConnectRegistryExW(
    const uint16_t* lpMachineName,
    void* hKey,
    uint32_t Flags,
    void* phkResult);
C, "ADVAPI32.dll");
// $ffi->RegConnectRegistryExW(lpMachineName, hKey, Flags, phkResult);
// lpMachineName : LPCWSTR optional
// hKey : HKEY
// Flags : DWORD
// phkResult : HKEY* 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 Advapi32 extends StdCallLibrary {
    Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class, W32APIOptions.UNICODE_OPTIONS);
    int RegConnectRegistryExW(
        WString lpMachineName,   // LPCWSTR optional
        Pointer hKey,   // HKEY
        int Flags,   // DWORD
        Pointer phkResult   // HKEY* out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("advapi32")]
lib LibADVAPI32
  fun RegConnectRegistryExW = RegConnectRegistryExW(
    lpMachineName : UInt16*,   # LPCWSTR optional
    hKey : Void*,   # HKEY
    Flags : UInt32,   # DWORD
    phkResult : Void*   # HKEY* 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 RegConnectRegistryExWNative = Int32 Function(Pointer<Utf16>, Pointer<Void>, Uint32, Pointer<Void>);
typedef RegConnectRegistryExWDart = int Function(Pointer<Utf16>, Pointer<Void>, int, Pointer<Void>);
final RegConnectRegistryExW = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<RegConnectRegistryExWNative, RegConnectRegistryExWDart>('RegConnectRegistryExW');
// lpMachineName : LPCWSTR optional -> Pointer<Utf16>
// hKey : HKEY -> Pointer<Void>
// Flags : DWORD -> Uint32
// phkResult : HKEY* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RegConnectRegistryExW(
  lpMachineName: PWideChar;   // LPCWSTR optional
  hKey: THandle;   // HKEY
  Flags: DWORD;   // DWORD
  phkResult: Pointer   // HKEY* out
): Integer; stdcall;
  external 'ADVAPI32.dll' name 'RegConnectRegistryExW';

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

foreign import stdcall safe "RegConnectRegistryExW"
  c_RegConnectRegistryExW :: CWString -> Ptr () -> Word32 -> Ptr () -> IO Int32
-- lpMachineName : LPCWSTR optional -> CWString
-- hKey : HKEY -> Ptr ()
-- Flags : DWORD -> Word32
-- phkResult : HKEY* out -> Ptr ()
-- 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 regconnectregistryexw =
  foreign "RegConnectRegistryExW"
    ((ptr uint16_t) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* lpMachineName : LPCWSTR optional -> (ptr uint16_t) *)
(* hKey : HKEY -> (ptr void) *)
(* Flags : DWORD -> uint32_t *)
(* phkResult : HKEY* out -> (ptr void) *)
(* 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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("RegConnectRegistryExW" reg-connect-registry-ex-w :convention :stdcall) :int32
  (lp-machine-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (h-key :pointer)   ; HKEY
  (flags :uint32)   ; DWORD
  (phk-result :pointer))   ; HKEY* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RegConnectRegistryExW = Win32::API::More->new('ADVAPI32',
    'int RegConnectRegistryExW(LPCWSTR lpMachineName, HANDLE hKey, DWORD Flags, HANDLE phkResult)');
# my $ret = $RegConnectRegistryExW->Call($lpMachineName, $hKey, $Flags, $phkResult);
# lpMachineName : LPCWSTR optional -> LPCWSTR
# hKey : HKEY -> HANDLE
# Flags : DWORD -> DWORD
# phkResult : HKEY* out -> HANDLE
# 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。