ResUtilGetDwordValue

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

DWORD ResUtilGetDwordValue(
    HKEY hkeyClusterKey,
    LPCWSTR pszValueName,
    DWORD* pdwOutValue,
    DWORD dwDefaultValue
);

<DllImport("RESUTILS.dll", ExactSpelling:=True)>
Public Shared Function ResUtilGetDwordValue(
    hkeyClusterKey As IntPtr,   ' HKEY
    <MarshalAs(UnmanagedType.LPWStr)> pszValueName As String,   ' LPCWSTR
    <Out> ByRef pdwOutValue As UInteger,   ' DWORD* out
    dwDefaultValue As UInteger   ' DWORD
) As UInteger
End Function

' hkeyClusterKey : HKEY
' pszValueName : LPCWSTR
' pdwOutValue : DWORD* out
' dwDefaultValue : DWORD
Declare PtrSafe Function ResUtilGetDwordValue Lib "resutils" ( _
    ByVal hkeyClusterKey As LongPtr, _
    ByVal pszValueName As LongPtr, _
    ByRef pdwOutValue As Long, _
    ByVal dwDefaultValue 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

ResUtilGetDwordValue = ctypes.windll.resutils.ResUtilGetDwordValue
ResUtilGetDwordValue.restype = wintypes.DWORD
ResUtilGetDwordValue.argtypes = [
    wintypes.HANDLE,  # hkeyClusterKey : HKEY
    wintypes.LPCWSTR,  # pszValueName : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # pdwOutValue : DWORD* out
    wintypes.DWORD,  # dwDefaultValue : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RESUTILS.dll')
ResUtilGetDwordValue = Fiddle::Function.new(
  lib['ResUtilGetDwordValue'],
  [
    Fiddle::TYPE_VOIDP,  # hkeyClusterKey : HKEY
    Fiddle::TYPE_VOIDP,  # pszValueName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pdwOutValue : DWORD* out
    -Fiddle::TYPE_INT,  # dwDefaultValue : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "resutils")]
extern "system" {
    fn ResUtilGetDwordValue(
        hkeyClusterKey: *mut core::ffi::c_void,  // HKEY
        pszValueName: *const u16,  // LPCWSTR
        pdwOutValue: *mut u32,  // DWORD* out
        dwDefaultValue: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RESUTILS.dll")]
public static extern uint ResUtilGetDwordValue(IntPtr hkeyClusterKey, [MarshalAs(UnmanagedType.LPWStr)] string pszValueName, out uint pdwOutValue, uint dwDefaultValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RESUTILS_ResUtilGetDwordValue' -Namespace Win32 -PassThru
# $api::ResUtilGetDwordValue(hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue)

#uselib "RESUTILS.dll"
#func global ResUtilGetDwordValue "ResUtilGetDwordValue" sptr, sptr, sptr, sptr
; ResUtilGetDwordValue hkeyClusterKey, pszValueName, varptr(pdwOutValue), dwDefaultValue   ; 戻り値は stat
; hkeyClusterKey : HKEY -> "sptr"
; pszValueName : LPCWSTR -> "sptr"
; pdwOutValue : DWORD* out -> "sptr"
; dwDefaultValue : DWORD -> "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。

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

var (
	resutils = windows.NewLazySystemDLL("RESUTILS.dll")
	procResUtilGetDwordValue = resutils.NewProc("ResUtilGetDwordValue")
)

// hkeyClusterKey (HKEY), pszValueName (LPCWSTR), pdwOutValue (DWORD* out), dwDefaultValue (DWORD)
r1, _, err := procResUtilGetDwordValue.Call(
	uintptr(hkeyClusterKey),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszValueName))),
	uintptr(pdwOutValue),
	uintptr(dwDefaultValue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ResUtilGetDwordValue(
  hkeyClusterKey: THandle;   // HKEY
  pszValueName: PWideChar;   // LPCWSTR
  pdwOutValue: Pointer;   // DWORD* out
  dwDefaultValue: DWORD   // DWORD
): DWORD; stdcall;
  external 'RESUTILS.dll' name 'ResUtilGetDwordValue';

result := DllCall("RESUTILS\ResUtilGetDwordValue"
    , "Ptr", hkeyClusterKey   ; HKEY
    , "WStr", pszValueName   ; LPCWSTR
    , "Ptr", pdwOutValue   ; DWORD* out
    , "UInt", dwDefaultValue   ; DWORD
    , "UInt")   ; return: DWORD

●ResUtilGetDwordValue(hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue) = DLL("RESUTILS.dll", "dword ResUtilGetDwordValue(void*, char*, void*, dword)")
# 呼び出し: ResUtilGetDwordValue(hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue)
# hkeyClusterKey : HKEY -> "void*"
# pszValueName : LPCWSTR -> "char*"
# pdwOutValue : DWORD* out -> "void*"
# dwDefaultValue : DWORD -> "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)。

const std = @import("std");

extern "resutils" fn ResUtilGetDwordValue(
    hkeyClusterKey: ?*anyopaque, // HKEY
    pszValueName: [*c]const u16, // LPCWSTR
    pdwOutValue: [*c]u32, // DWORD* out
    dwDefaultValue: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc ResUtilGetDwordValue(
    hkeyClusterKey: pointer,  # HKEY
    pszValueName: WideCString,  # LPCWSTR
    pdwOutValue: ptr uint32,  # DWORD* out
    dwDefaultValue: uint32  # DWORD
): uint32 {.importc: "ResUtilGetDwordValue", stdcall, dynlib: "RESUTILS.dll".}

pragma(lib, "resutils");
extern(Windows)
uint ResUtilGetDwordValue(
    void* hkeyClusterKey,   // HKEY
    const(wchar)* pszValueName,   // LPCWSTR
    uint* pdwOutValue,   // DWORD* out
    uint dwDefaultValue   // DWORD
);

ccall((:ResUtilGetDwordValue, "RESUTILS.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Cwstring, Ptr{UInt32}, UInt32),
      hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue)
# hkeyClusterKey : HKEY -> Ptr{Cvoid}
# pszValueName : LPCWSTR -> Cwstring
# pdwOutValue : DWORD* out -> Ptr{UInt32}
# dwDefaultValue : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t ResUtilGetDwordValue(
    void* hkeyClusterKey,
    const uint16_t* pszValueName,
    uint32_t* pdwOutValue,
    uint32_t dwDefaultValue);
]]
local resutils = ffi.load("resutils")
-- resutils.ResUtilGetDwordValue(hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue)
-- hkeyClusterKey : HKEY
-- pszValueName : LPCWSTR
-- pdwOutValue : DWORD* out
-- dwDefaultValue : DWORD
-- 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。

const koffi = require('koffi');
const lib = koffi.load('RESUTILS.dll');
const ResUtilGetDwordValue = lib.func('__stdcall', 'ResUtilGetDwordValue', 'uint32_t', ['void *', 'str16', 'uint32_t *', 'uint32_t']);
// ResUtilGetDwordValue(hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue)
// hkeyClusterKey : HKEY -> 'void *'
// pszValueName : LPCWSTR -> 'str16'
// pdwOutValue : DWORD* out -> 'uint32_t *'
// dwDefaultValue : DWORD -> '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("RESUTILS.dll", {
  ResUtilGetDwordValue: { parameters: ["pointer", "buffer", "pointer", "u32"], result: "u32" },
});
// lib.symbols.ResUtilGetDwordValue(hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue)
// hkeyClusterKey : HKEY -> "pointer"
// pszValueName : LPCWSTR -> "buffer"
// pdwOutValue : DWORD* out -> "pointer"
// dwDefaultValue : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t ResUtilGetDwordValue(
    void* hkeyClusterKey,
    const uint16_t* pszValueName,
    uint32_t* pdwOutValue,
    uint32_t dwDefaultValue);
C, "RESUTILS.dll");
// $ffi->ResUtilGetDwordValue(hkeyClusterKey, pszValueName, pdwOutValue, dwDefaultValue);
// hkeyClusterKey : HKEY
// pszValueName : LPCWSTR
// pdwOutValue : DWORD* out
// dwDefaultValue : DWORD
// 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 Resutils extends StdCallLibrary {
    Resutils INSTANCE = Native.load("resutils", Resutils.class);
    int ResUtilGetDwordValue(
        Pointer hkeyClusterKey,   // HKEY
        WString pszValueName,   // LPCWSTR
        IntByReference pdwOutValue,   // DWORD* out
        int dwDefaultValue   // DWORD
    );
}

@[Link("resutils")]
lib LibRESUTILS
  fun ResUtilGetDwordValue = ResUtilGetDwordValue(
    hkeyClusterKey : Void*,   # HKEY
    pszValueName : UInt16*,   # LPCWSTR
    pdwOutValue : UInt32*,   # DWORD* out
    dwDefaultValue : UInt32   # DWORD
  ) : 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 ResUtilGetDwordValueNative = Uint32 Function(Pointer<Void>, Pointer<Utf16>, Pointer<Uint32>, Uint32);
typedef ResUtilGetDwordValueDart = int Function(Pointer<Void>, Pointer<Utf16>, Pointer<Uint32>, int);
final ResUtilGetDwordValue = DynamicLibrary.open('RESUTILS.dll')
    .lookupFunction<ResUtilGetDwordValueNative, ResUtilGetDwordValueDart>('ResUtilGetDwordValue');
// hkeyClusterKey : HKEY -> Pointer<Void>
// pszValueName : LPCWSTR -> Pointer<Utf16>
// pdwOutValue : DWORD* out -> Pointer<Uint32>
// dwDefaultValue : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ResUtilGetDwordValue(
  hkeyClusterKey: THandle;   // HKEY
  pszValueName: PWideChar;   // LPCWSTR
  pdwOutValue: Pointer;   // DWORD* out
  dwDefaultValue: DWORD   // DWORD
): DWORD; stdcall;
  external 'RESUTILS.dll' name 'ResUtilGetDwordValue';

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

foreign import stdcall safe "ResUtilGetDwordValue"
  c_ResUtilGetDwordValue :: Ptr () -> CWString -> Ptr Word32 -> Word32 -> IO Word32
-- hkeyClusterKey : HKEY -> Ptr ()
-- pszValueName : LPCWSTR -> CWString
-- pdwOutValue : DWORD* out -> Ptr Word32
-- dwDefaultValue : DWORD -> 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 resutilgetdwordvalue =
  foreign "ResUtilGetDwordValue"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> uint32_t @-> returning uint32_t)
(* hkeyClusterKey : HKEY -> (ptr void) *)
(* pszValueName : LPCWSTR -> (ptr uint16_t) *)
(* pdwOutValue : DWORD* out -> (ptr uint32_t) *)
(* dwDefaultValue : DWORD -> 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 resutils (t "RESUTILS.dll"))
(cffi:use-foreign-library resutils)

(cffi:defcfun ("ResUtilGetDwordValue" res-util-get-dword-value :convention :stdcall) :uint32
  (hkey-cluster-key :pointer)   ; HKEY
  (psz-value-name (:string :encoding :utf-16le))   ; LPCWSTR
  (pdw-out-value :pointer)   ; DWORD* out
  (dw-default-value :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ResUtilGetDwordValue = Win32::API::More->new('RESUTILS',
    'DWORD ResUtilGetDwordValue(HANDLE hkeyClusterKey, LPCWSTR pszValueName, LPVOID pdwOutValue, DWORD dwDefaultValue)');
# my $ret = $ResUtilGetDwordValue->Call($hkeyClusterKey, $pszValueName, $pdwOutValue, $dwDefaultValue);
# hkeyClusterKey : HKEY -> HANDLE
# pszValueName : LPCWSTR -> LPCWSTR
# pdwOutValue : DWORD* out -> LPVOID
# dwDefaultValue : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。