ResUtilGetBinaryValue

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

DWORD ResUtilGetBinaryValue(
    HKEY hkeyClusterKey,
    LPCWSTR pszValueName,
    BYTE** ppbOutValue,
    DWORD* pcbOutValueSize
);

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

' hkeyClusterKey : HKEY
' pszValueName : LPCWSTR
' ppbOutValue : BYTE** out
' pcbOutValueSize : DWORD* out
Declare PtrSafe Function ResUtilGetBinaryValue Lib "resutils" ( _
    ByVal hkeyClusterKey As LongPtr, _
    ByVal pszValueName As LongPtr, _
    ByVal ppbOutValue As LongPtr, _
    ByRef pcbOutValueSize 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

ResUtilGetBinaryValue = ctypes.windll.resutils.ResUtilGetBinaryValue
ResUtilGetBinaryValue.restype = wintypes.DWORD
ResUtilGetBinaryValue.argtypes = [
    wintypes.HANDLE,  # hkeyClusterKey : HKEY
    wintypes.LPCWSTR,  # pszValueName : LPCWSTR
    ctypes.c_void_p,  # ppbOutValue : BYTE** out
    ctypes.POINTER(wintypes.DWORD),  # pcbOutValueSize : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RESUTILS.dll')
ResUtilGetBinaryValue = Fiddle::Function.new(
  lib['ResUtilGetBinaryValue'],
  [
    Fiddle::TYPE_VOIDP,  # hkeyClusterKey : HKEY
    Fiddle::TYPE_VOIDP,  # pszValueName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # ppbOutValue : BYTE** out
    Fiddle::TYPE_VOIDP,  # pcbOutValueSize : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "resutils")]
extern "system" {
    fn ResUtilGetBinaryValue(
        hkeyClusterKey: *mut core::ffi::c_void,  // HKEY
        pszValueName: *const u16,  // LPCWSTR
        ppbOutValue: *mut *mut u8,  // BYTE** out
        pcbOutValueSize: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "RESUTILS.dll"
#func global ResUtilGetBinaryValue "ResUtilGetBinaryValue" sptr, sptr, sptr, sptr
; ResUtilGetBinaryValue hkeyClusterKey, pszValueName, varptr(ppbOutValue), varptr(pcbOutValueSize)   ; 戻り値は stat
; hkeyClusterKey : HKEY -> "sptr"
; pszValueName : LPCWSTR -> "sptr"
; ppbOutValue : BYTE** out -> "sptr"
; pcbOutValueSize : DWORD* 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 "RESUTILS.dll"
#cfunc global ResUtilGetBinaryValue "ResUtilGetBinaryValue" sptr, wstr, var, var
; res = ResUtilGetBinaryValue(hkeyClusterKey, pszValueName, ppbOutValue, pcbOutValueSize)
; hkeyClusterKey : HKEY -> "sptr"
; pszValueName : LPCWSTR -> "wstr"
; ppbOutValue : BYTE** out -> "var"
; pcbOutValueSize : DWORD* 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 ResUtilGetBinaryValue(HKEY hkeyClusterKey, LPCWSTR pszValueName, BYTE** ppbOutValue, DWORD* pcbOutValueSize)
#uselib "RESUTILS.dll"
#cfunc global ResUtilGetBinaryValue "ResUtilGetBinaryValue" intptr, wstr, var, var
; res = ResUtilGetBinaryValue(hkeyClusterKey, pszValueName, ppbOutValue, pcbOutValueSize)
; hkeyClusterKey : HKEY -> "intptr"
; pszValueName : LPCWSTR -> "wstr"
; ppbOutValue : BYTE** out -> "var"
; pcbOutValueSize : DWORD* 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 (
	resutils = windows.NewLazySystemDLL("RESUTILS.dll")
	procResUtilGetBinaryValue = resutils.NewProc("ResUtilGetBinaryValue")
)

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

function ResUtilGetBinaryValue(
  hkeyClusterKey: THandle;   // HKEY
  pszValueName: PWideChar;   // LPCWSTR
  ppbOutValue: Pointer;   // BYTE** out
  pcbOutValueSize: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'RESUTILS.dll' name 'ResUtilGetBinaryValue';

result := DllCall("RESUTILS\ResUtilGetBinaryValue"
    , "Ptr", hkeyClusterKey   ; HKEY
    , "WStr", pszValueName   ; LPCWSTR
    , "Ptr", ppbOutValue   ; BYTE** out
    , "Ptr", pcbOutValueSize   ; DWORD* out
    , "UInt")   ; return: DWORD

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