RegOpenUserClassesRoot

// ADVAPI32.dll
#include <windows.h>

WIN32_ERROR RegOpenUserClassesRoot(
    HANDLE hToken,
    DWORD dwOptions,   // optional
    DWORD samDesired,
    HKEY* phkResult
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function RegOpenUserClassesRoot(
    hToken As IntPtr,   ' HANDLE
    dwOptions As UInteger,   ' DWORD optional
    samDesired As UInteger,   ' DWORD
    phkResult As IntPtr   ' HKEY* out
) As UInteger
End Function

' hToken : HANDLE
' dwOptions : DWORD optional
' samDesired : DWORD
' phkResult : HKEY* out
Declare PtrSafe Function RegOpenUserClassesRoot Lib "advapi32" ( _
    ByVal hToken As LongPtr, _
    ByVal dwOptions As Long, _
    ByVal samDesired As Long, _
    ByVal phkResult As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RegOpenUserClassesRoot = ctypes.windll.advapi32.RegOpenUserClassesRoot
RegOpenUserClassesRoot.restype = wintypes.DWORD
RegOpenUserClassesRoot.argtypes = [
    wintypes.HANDLE,  # hToken : HANDLE
    wintypes.DWORD,  # dwOptions : DWORD optional
    wintypes.DWORD,  # samDesired : DWORD
    ctypes.c_void_p,  # phkResult : HKEY* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
RegOpenUserClassesRoot = Fiddle::Function.new(
  lib['RegOpenUserClassesRoot'],
  [
    Fiddle::TYPE_VOIDP,  # hToken : HANDLE
    -Fiddle::TYPE_INT,  # dwOptions : DWORD optional
    -Fiddle::TYPE_INT,  # samDesired : DWORD
    Fiddle::TYPE_VOIDP,  # phkResult : HKEY* out
  ],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint RegOpenUserClassesRoot(IntPtr hToken, uint dwOptions, uint samDesired, IntPtr phkResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_RegOpenUserClassesRoot' -Namespace Win32 -PassThru
# $api::RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult)

#uselib "ADVAPI32.dll"
#func global RegOpenUserClassesRoot "RegOpenUserClassesRoot" sptr, sptr, sptr, sptr
; RegOpenUserClassesRoot hToken, dwOptions, samDesired, phkResult   ; 戻り値は stat
; hToken : HANDLE -> "sptr"
; dwOptions : DWORD optional -> "sptr"
; samDesired : DWORD -> "sptr"
; phkResult : HKEY* 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 "ADVAPI32.dll"
#cfunc global RegOpenUserClassesRoot "RegOpenUserClassesRoot" sptr, int, int, sptr
; res = RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult)
; hToken : HANDLE -> "sptr"
; dwOptions : DWORD optional -> "int"
; samDesired : DWORD -> "int"
; phkResult : HKEY* out -> "sptr"

; WIN32_ERROR RegOpenUserClassesRoot(HANDLE hToken, DWORD dwOptions, DWORD samDesired, HKEY* phkResult)
#uselib "ADVAPI32.dll"
#cfunc global RegOpenUserClassesRoot "RegOpenUserClassesRoot" intptr, int, int, intptr
; res = RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult)
; hToken : HANDLE -> "intptr"
; dwOptions : DWORD optional -> "int"
; samDesired : DWORD -> "int"
; phkResult : HKEY* out -> "intptr"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procRegOpenUserClassesRoot = advapi32.NewProc("RegOpenUserClassesRoot")
)

// hToken (HANDLE), dwOptions (DWORD optional), samDesired (DWORD), phkResult (HKEY* out)
r1, _, err := procRegOpenUserClassesRoot.Call(
	uintptr(hToken),
	uintptr(dwOptions),
	uintptr(samDesired),
	uintptr(phkResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function RegOpenUserClassesRoot(
  hToken: THandle;   // HANDLE
  dwOptions: DWORD;   // DWORD optional
  samDesired: DWORD;   // DWORD
  phkResult: Pointer   // HKEY* out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'RegOpenUserClassesRoot';

result := DllCall("ADVAPI32\RegOpenUserClassesRoot"
    , "Ptr", hToken   ; HANDLE
    , "UInt", dwOptions   ; DWORD optional
    , "UInt", samDesired   ; DWORD
    , "Ptr", phkResult   ; HKEY* out
    , "UInt")   ; return: WIN32_ERROR

●RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult) = DLL("ADVAPI32.dll", "dword RegOpenUserClassesRoot(void*, dword, dword, void*)")
# 呼び出し: RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult)
# hToken : HANDLE -> "void*"
# dwOptions : DWORD optional -> "dword"
# samDesired : 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)。

const std = @import("std");

extern "advapi32" fn RegOpenUserClassesRoot(
    hToken: ?*anyopaque, // HANDLE
    dwOptions: u32, // DWORD optional
    samDesired: u32, // DWORD
    phkResult: ?*anyopaque // HKEY* out
) callconv(std.os.windows.WINAPI) u32;

proc RegOpenUserClassesRoot(
    hToken: pointer,  # HANDLE
    dwOptions: uint32,  # DWORD optional
    samDesired: uint32,  # DWORD
    phkResult: pointer  # HKEY* out
): uint32 {.importc: "RegOpenUserClassesRoot", stdcall, dynlib: "ADVAPI32.dll".}

pragma(lib, "advapi32");
extern(Windows)
uint RegOpenUserClassesRoot(
    void* hToken,   // HANDLE
    uint dwOptions,   // DWORD optional
    uint samDesired,   // DWORD
    void* phkResult   // HKEY* out
);

ccall((:RegOpenUserClassesRoot, "ADVAPI32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, UInt32, UInt32, Ptr{Cvoid}),
      hToken, dwOptions, samDesired, phkResult)
# hToken : HANDLE -> Ptr{Cvoid}
# dwOptions : DWORD optional -> UInt32
# samDesired : DWORD -> UInt32
# phkResult : HKEY* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t RegOpenUserClassesRoot(
    void* hToken,
    uint32_t dwOptions,
    uint32_t samDesired,
    void* phkResult);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult)
-- hToken : HANDLE
-- dwOptions : DWORD optional
-- samDesired : 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。

const koffi = require('koffi');
const lib = koffi.load('ADVAPI32.dll');
const RegOpenUserClassesRoot = lib.func('__stdcall', 'RegOpenUserClassesRoot', 'uint32_t', ['void *', 'uint32_t', 'uint32_t', 'void *']);
// RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult)
// hToken : HANDLE -> 'void *'
// dwOptions : DWORD optional -> 'uint32_t'
// samDesired : 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", {
  RegOpenUserClassesRoot: { parameters: ["pointer", "u32", "u32", "pointer"], result: "u32" },
});
// lib.symbols.RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult)
// hToken : HANDLE -> "pointer"
// dwOptions : DWORD optional -> "u32"
// samDesired : DWORD -> "u32"
// phkResult : HKEY* out -> "pointer"
// 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 RegOpenUserClassesRoot(
    void* hToken,
    uint32_t dwOptions,
    uint32_t samDesired,
    void* phkResult);
C, "ADVAPI32.dll");
// $ffi->RegOpenUserClassesRoot(hToken, dwOptions, samDesired, phkResult);
// hToken : HANDLE
// dwOptions : DWORD optional
// samDesired : 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);
    int RegOpenUserClassesRoot(
        Pointer hToken,   // HANDLE
        int dwOptions,   // DWORD optional
        int samDesired,   // DWORD
        Pointer phkResult   // HKEY* out
    );
}

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

{$mode objfpc}{$H+}
function RegOpenUserClassesRoot(
  hToken: THandle;   // HANDLE
  dwOptions: DWORD;   // DWORD optional
  samDesired: DWORD;   // DWORD
  phkResult: Pointer   // HKEY* out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'RegOpenUserClassesRoot';

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

foreign import stdcall safe "RegOpenUserClassesRoot"
  c_RegOpenUserClassesRoot :: Ptr () -> Word32 -> Word32 -> Ptr () -> IO Word32
-- hToken : HANDLE -> Ptr ()
-- dwOptions : DWORD optional -> Word32
-- samDesired : 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 regopenuserclassesroot =
  foreign "RegOpenUserClassesRoot"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning uint32_t)
(* hToken : HANDLE -> (ptr void) *)
(* dwOptions : DWORD optional -> uint32_t *)
(* samDesired : 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 ("RegOpenUserClassesRoot" reg-open-user-classes-root :convention :stdcall) :uint32
  (h-token :pointer)   ; HANDLE
  (dw-options :uint32)   ; DWORD optional
  (sam-desired :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 $RegOpenUserClassesRoot = Win32::API::More->new('ADVAPI32',
    'DWORD RegOpenUserClassesRoot(HANDLE hToken, DWORD dwOptions, DWORD samDesired, HANDLE phkResult)');
# my $ret = $RegOpenUserClassesRoot->Call($hToken, $dwOptions, $samDesired, $phkResult);
# hToken : HANDLE -> HANDLE
# dwOptions : DWORD optional -> DWORD
# samDesired : 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。