RegLoadAppKeyW

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

WIN32_ERROR RegLoadAppKeyW(
    LPCWSTR lpFile,
    HKEY* phkResult,
    DWORD samDesired,
    DWORD dwOptions,
    DWORD Reserved   // optional
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RegLoadAppKeyW(
    <MarshalAs(UnmanagedType.LPWStr)> lpFile As String,   ' LPCWSTR
    phkResult As IntPtr,   ' HKEY* out
    samDesired As UInteger,   ' DWORD
    dwOptions As UInteger,   ' DWORD
    Reserved As UInteger   ' DWORD optional
) As UInteger
End Function

' lpFile : LPCWSTR
' phkResult : HKEY* out
' samDesired : DWORD
' dwOptions : DWORD
' Reserved : DWORD optional
Declare PtrSafe Function RegLoadAppKeyW Lib "advapi32" ( _
    ByVal lpFile As LongPtr, _
    ByVal phkResult As LongPtr, _
    ByVal samDesired As Long, _
    ByVal dwOptions As Long, _
    ByVal Reserved 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

RegLoadAppKeyW = ctypes.windll.advapi32.RegLoadAppKeyW
RegLoadAppKeyW.restype = wintypes.DWORD
RegLoadAppKeyW.argtypes = [
    wintypes.LPCWSTR,  # lpFile : LPCWSTR
    ctypes.c_void_p,  # phkResult : HKEY* out
    wintypes.DWORD,  # samDesired : DWORD
    wintypes.DWORD,  # dwOptions : DWORD
    wintypes.DWORD,  # Reserved : DWORD optional
]

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint RegLoadAppKeyW([MarshalAs(UnmanagedType.LPWStr)] string lpFile, IntPtr phkResult, uint samDesired, uint dwOptions, uint Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_RegLoadAppKeyW' -Namespace Win32 -PassThru
# $api::RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved)

#uselib "ADVAPI32.dll"
#func global RegLoadAppKeyW "RegLoadAppKeyW" wptr, wptr, wptr, wptr, wptr
; RegLoadAppKeyW lpFile, phkResult, samDesired, dwOptions, Reserved   ; 戻り値は stat
; lpFile : LPCWSTR -> "wptr"
; phkResult : HKEY* out -> "wptr"
; samDesired : DWORD -> "wptr"
; dwOptions : DWORD -> "wptr"
; Reserved : DWORD optional -> "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 RegLoadAppKeyW "RegLoadAppKeyW" wstr, sptr, int, int, int
; res = RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved)
; lpFile : LPCWSTR -> "wstr"
; phkResult : HKEY* out -> "sptr"
; samDesired : DWORD -> "int"
; dwOptions : DWORD -> "int"
; Reserved : DWORD optional -> "int"

; WIN32_ERROR RegLoadAppKeyW(LPCWSTR lpFile, HKEY* phkResult, DWORD samDesired, DWORD dwOptions, DWORD Reserved)
#uselib "ADVAPI32.dll"
#cfunc global RegLoadAppKeyW "RegLoadAppKeyW" wstr, intptr, int, int, int
; res = RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved)
; lpFile : LPCWSTR -> "wstr"
; phkResult : HKEY* out -> "intptr"
; samDesired : DWORD -> "int"
; dwOptions : DWORD -> "int"
; Reserved : DWORD optional -> "int"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procRegLoadAppKeyW = advapi32.NewProc("RegLoadAppKeyW")
)

// lpFile (LPCWSTR), phkResult (HKEY* out), samDesired (DWORD), dwOptions (DWORD), Reserved (DWORD optional)
r1, _, err := procRegLoadAppKeyW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpFile))),
	uintptr(phkResult),
	uintptr(samDesired),
	uintptr(dwOptions),
	uintptr(Reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function RegLoadAppKeyW(
  lpFile: PWideChar;   // LPCWSTR
  phkResult: Pointer;   // HKEY* out
  samDesired: DWORD;   // DWORD
  dwOptions: DWORD;   // DWORD
  Reserved: DWORD   // DWORD optional
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'RegLoadAppKeyW';

result := DllCall("ADVAPI32\RegLoadAppKeyW"
    , "WStr", lpFile   ; LPCWSTR
    , "Ptr", phkResult   ; HKEY* out
    , "UInt", samDesired   ; DWORD
    , "UInt", dwOptions   ; DWORD
    , "UInt", Reserved   ; DWORD optional
    , "UInt")   ; return: WIN32_ERROR

●RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved) = DLL("ADVAPI32.dll", "dword RegLoadAppKeyW(char*, void*, dword, dword, dword)")
# 呼び出し: RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved)
# lpFile : LPCWSTR -> "char*"
# phkResult : HKEY* out -> "void*"
# samDesired : DWORD -> "dword"
# dwOptions : DWORD -> "dword"
# Reserved : DWORD optional -> "dword"
# 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 RegLoadAppKeyW(
    lpFile: [*c]const u16, // LPCWSTR
    phkResult: ?*anyopaque, // HKEY* out
    samDesired: u32, // DWORD
    dwOptions: u32, // DWORD
    Reserved: u32 // DWORD optional
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc RegLoadAppKeyW(
    lpFile: WideCString,  # LPCWSTR
    phkResult: pointer,  # HKEY* out
    samDesired: uint32,  # DWORD
    dwOptions: uint32,  # DWORD
    Reserved: uint32  # DWORD optional
): uint32 {.importc: "RegLoadAppKeyW", stdcall, dynlib: "ADVAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "advapi32");
extern(Windows)
uint RegLoadAppKeyW(
    const(wchar)* lpFile,   // LPCWSTR
    void* phkResult,   // HKEY* out
    uint samDesired,   // DWORD
    uint dwOptions,   // DWORD
    uint Reserved   // DWORD optional
);

ccall((:RegLoadAppKeyW, "ADVAPI32.dll"), stdcall, UInt32,
      (Cwstring, Ptr{Cvoid}, UInt32, UInt32, UInt32),
      lpFile, phkResult, samDesired, dwOptions, Reserved)
# lpFile : LPCWSTR -> Cwstring
# phkResult : HKEY* out -> Ptr{Cvoid}
# samDesired : DWORD -> UInt32
# dwOptions : DWORD -> UInt32
# Reserved : DWORD optional -> 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[[
uint32_t RegLoadAppKeyW(
    const uint16_t* lpFile,
    void* phkResult,
    uint32_t samDesired,
    uint32_t dwOptions,
    uint32_t Reserved);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved)
-- lpFile : LPCWSTR
-- phkResult : HKEY* out
-- samDesired : DWORD
-- dwOptions : DWORD
-- Reserved : DWORD optional
-- 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 RegLoadAppKeyW = lib.func('__stdcall', 'RegLoadAppKeyW', 'uint32_t', ['str16', 'void *', 'uint32_t', 'uint32_t', 'uint32_t']);
// RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved)
// lpFile : LPCWSTR -> 'str16'
// phkResult : HKEY* out -> 'void *'
// samDesired : DWORD -> 'uint32_t'
// dwOptions : DWORD -> 'uint32_t'
// Reserved : DWORD optional -> '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("ADVAPI32.dll", {
  RegLoadAppKeyW: { parameters: ["buffer", "pointer", "u32", "u32", "u32"], result: "u32" },
});
// lib.symbols.RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved)
// lpFile : LPCWSTR -> "buffer"
// phkResult : HKEY* out -> "pointer"
// samDesired : DWORD -> "u32"
// dwOptions : DWORD -> "u32"
// Reserved : DWORD optional -> "u32"
// 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
uint32_t RegLoadAppKeyW(
    const uint16_t* lpFile,
    void* phkResult,
    uint32_t samDesired,
    uint32_t dwOptions,
    uint32_t Reserved);
C, "ADVAPI32.dll");
// $ffi->RegLoadAppKeyW(lpFile, phkResult, samDesired, dwOptions, Reserved);
// lpFile : LPCWSTR
// phkResult : HKEY* out
// samDesired : DWORD
// dwOptions : DWORD
// Reserved : DWORD optional
// 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 RegLoadAppKeyW(
        WString lpFile,   // LPCWSTR
        Pointer phkResult,   // HKEY* out
        int samDesired,   // DWORD
        int dwOptions,   // DWORD
        int Reserved   // DWORD optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("advapi32")]
lib LibADVAPI32
  fun RegLoadAppKeyW = RegLoadAppKeyW(
    lpFile : UInt16*,   # LPCWSTR
    phkResult : Void*,   # HKEY* out
    samDesired : UInt32,   # DWORD
    dwOptions : UInt32,   # DWORD
    Reserved : UInt32   # DWORD optional
  ) : UInt32
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 RegLoadAppKeyWNative = Uint32 Function(Pointer<Utf16>, Pointer<Void>, Uint32, Uint32, Uint32);
typedef RegLoadAppKeyWDart = int Function(Pointer<Utf16>, Pointer<Void>, int, int, int);
final RegLoadAppKeyW = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<RegLoadAppKeyWNative, RegLoadAppKeyWDart>('RegLoadAppKeyW');
// lpFile : LPCWSTR -> Pointer<Utf16>
// phkResult : HKEY* out -> Pointer<Void>
// samDesired : DWORD -> Uint32
// dwOptions : DWORD -> Uint32
// Reserved : DWORD optional -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RegLoadAppKeyW(
  lpFile: PWideChar;   // LPCWSTR
  phkResult: Pointer;   // HKEY* out
  samDesired: DWORD;   // DWORD
  dwOptions: DWORD;   // DWORD
  Reserved: DWORD   // DWORD optional
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'RegLoadAppKeyW';

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

foreign import stdcall safe "RegLoadAppKeyW"
  c_RegLoadAppKeyW :: CWString -> Ptr () -> Word32 -> Word32 -> Word32 -> IO Word32
-- lpFile : LPCWSTR -> CWString
-- phkResult : HKEY* out -> Ptr ()
-- samDesired : DWORD -> Word32
-- dwOptions : DWORD -> Word32
-- Reserved : DWORD optional -> 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 regloadappkeyw =
  foreign "RegLoadAppKeyW"
    ((ptr uint16_t) @-> (ptr void) @-> uint32_t @-> uint32_t @-> uint32_t @-> returning uint32_t)
(* lpFile : LPCWSTR -> (ptr uint16_t) *)
(* phkResult : HKEY* out -> (ptr void) *)
(* samDesired : DWORD -> uint32_t *)
(* dwOptions : DWORD -> uint32_t *)
(* Reserved : DWORD optional -> 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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("RegLoadAppKeyW" reg-load-app-key-w :convention :stdcall) :uint32
  (lp-file (:string :encoding :utf-16le))   ; LPCWSTR
  (phk-result :pointer)   ; HKEY* out
  (sam-desired :uint32)   ; DWORD
  (dw-options :uint32)   ; DWORD
  (reserved :uint32))   ; DWORD optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RegLoadAppKeyW = Win32::API::More->new('ADVAPI32',
    'DWORD RegLoadAppKeyW(LPCWSTR lpFile, HANDLE phkResult, DWORD samDesired, DWORD dwOptions, DWORD Reserved)');
# my $ret = $RegLoadAppKeyW->Call($lpFile, $phkResult, $samDesired, $dwOptions, $Reserved);
# lpFile : LPCWSTR -> LPCWSTR
# phkResult : HKEY* out -> HANDLE
# samDesired : DWORD -> DWORD
# dwOptions : DWORD -> DWORD
# Reserved : DWORD optional -> DWORD
# 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。