DecodeRemotePointer

// api-ms-win-core-util-l1-1-1.dll
#include <windows.h>

HRESULT DecodeRemotePointer(
    HANDLE ProcessHandle,
    void* Ptr,   // optional
    void** DecodedPtr
);

<DllImport("api-ms-win-core-util-l1-1-1.dll", ExactSpelling:=True)>
Public Shared Function DecodeRemotePointer(
    ProcessHandle As IntPtr,   ' HANDLE
    Ptr As IntPtr,   ' void* optional
    DecodedPtr As IntPtr   ' void** out
) As Integer
End Function

' ProcessHandle : HANDLE
' Ptr : void* optional
' DecodedPtr : void** out
Declare PtrSafe Function DecodeRemotePointer Lib "api-ms-win-core-util-l1-1-1" ( _
    ByVal ProcessHandle As LongPtr, _
    ByVal Ptr As LongPtr, _
    ByVal DecodedPtr 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

DecodeRemotePointer = ctypes.windll.LoadLibrary("api-ms-win-core-util-l1-1-1.dll").DecodeRemotePointer
DecodeRemotePointer.restype = ctypes.c_int
DecodeRemotePointer.argtypes = [
    wintypes.HANDLE,  # ProcessHandle : HANDLE
    ctypes.POINTER(None),  # Ptr : void* optional
    ctypes.c_void_p,  # DecodedPtr : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-util-l1-1-1.dll')
DecodeRemotePointer = Fiddle::Function.new(
  lib['DecodeRemotePointer'],
  [
    Fiddle::TYPE_VOIDP,  # ProcessHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # Ptr : void* optional
    Fiddle::TYPE_VOIDP,  # DecodedPtr : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-util-l1-1-1")]
extern "system" {
    fn DecodeRemotePointer(
        ProcessHandle: *mut core::ffi::c_void,  // HANDLE
        Ptr: *mut (),  // void* optional
        DecodedPtr: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-util-l1-1-1.dll")]
public static extern int DecodeRemotePointer(IntPtr ProcessHandle, IntPtr Ptr, IntPtr DecodedPtr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-util-l1-1-1_DecodeRemotePointer' -Namespace Win32 -PassThru
# $api::DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr)

#uselib "api-ms-win-core-util-l1-1-1.dll"
#func global DecodeRemotePointer "DecodeRemotePointer" sptr, sptr, sptr
; DecodeRemotePointer ProcessHandle, Ptr, DecodedPtr   ; 戻り値は stat
; ProcessHandle : HANDLE -> "sptr"
; Ptr : void* optional -> "sptr"
; DecodedPtr : void** 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 "api-ms-win-core-util-l1-1-1.dll"
#cfunc global DecodeRemotePointer "DecodeRemotePointer" sptr, sptr, sptr
; res = DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr)
; ProcessHandle : HANDLE -> "sptr"
; Ptr : void* optional -> "sptr"
; DecodedPtr : void** out -> "sptr"

; HRESULT DecodeRemotePointer(HANDLE ProcessHandle, void* Ptr, void** DecodedPtr)
#uselib "api-ms-win-core-util-l1-1-1.dll"
#cfunc global DecodeRemotePointer "DecodeRemotePointer" intptr, intptr, intptr
; res = DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr)
; ProcessHandle : HANDLE -> "intptr"
; Ptr : void* optional -> "intptr"
; DecodedPtr : void** out -> "intptr"

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

var (
	api_ms_win_core_util_l1_1_1 = windows.NewLazySystemDLL("api-ms-win-core-util-l1-1-1.dll")
	procDecodeRemotePointer = api_ms_win_core_util_l1_1_1.NewProc("DecodeRemotePointer")
)

// ProcessHandle (HANDLE), Ptr (void* optional), DecodedPtr (void** out)
r1, _, err := procDecodeRemotePointer.Call(
	uintptr(ProcessHandle),
	uintptr(Ptr),
	uintptr(DecodedPtr),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DecodeRemotePointer(
  ProcessHandle: THandle;   // HANDLE
  Ptr: Pointer;   // void* optional
  DecodedPtr: Pointer   // void** out
): Integer; stdcall;
  external 'api-ms-win-core-util-l1-1-1.dll' name 'DecodeRemotePointer';

result := DllCall("api-ms-win-core-util-l1-1-1\DecodeRemotePointer"
    , "Ptr", ProcessHandle   ; HANDLE
    , "Ptr", Ptr   ; void* optional
    , "Ptr", DecodedPtr   ; void** out
    , "Int")   ; return: HRESULT

●DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr) = DLL("api-ms-win-core-util-l1-1-1.dll", "int DecodeRemotePointer(void*, void*, void*)")
# 呼び出し: DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr)
# ProcessHandle : HANDLE -> "void*"
# Ptr : void* optional -> "void*"
# DecodedPtr : void** 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 "api-ms-win-core-util-l1-1-1" fn DecodeRemotePointer(
    ProcessHandle: ?*anyopaque, // HANDLE
    Ptr: ?*anyopaque, // void* optional
    DecodedPtr: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc DecodeRemotePointer(
    ProcessHandle: pointer,  # HANDLE
    Ptr: pointer,  # void* optional
    DecodedPtr: pointer  # void** out
): int32 {.importc: "DecodeRemotePointer", stdcall, dynlib: "api-ms-win-core-util-l1-1-1.dll".}

pragma(lib, "api-ms-win-core-util-l1-1-1");
extern(Windows)
int DecodeRemotePointer(
    void* ProcessHandle,   // HANDLE
    void* Ptr,   // void* optional
    void** DecodedPtr   // void** out
);

ccall((:DecodeRemotePointer, "api-ms-win-core-util-l1-1-1.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}),
      ProcessHandle, Ptr, DecodedPtr)
# ProcessHandle : HANDLE -> Ptr{Cvoid}
# Ptr : void* optional -> Ptr{Cvoid}
# DecodedPtr : void** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DecodeRemotePointer(
    void* ProcessHandle,
    void* Ptr,
    void** DecodedPtr);
]]
local api-ms-win-core-util-l1-1-1 = ffi.load("api-ms-win-core-util-l1-1-1")
-- api-ms-win-core-util-l1-1-1.DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr)
-- ProcessHandle : HANDLE
-- Ptr : void* optional
-- DecodedPtr : void** 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('api-ms-win-core-util-l1-1-1.dll');
const DecodeRemotePointer = lib.func('__stdcall', 'DecodeRemotePointer', 'int32_t', ['void *', 'void *', 'void *']);
// DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr)
// ProcessHandle : HANDLE -> 'void *'
// Ptr : void* optional -> 'void *'
// DecodedPtr : void** 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("api-ms-win-core-util-l1-1-1.dll", {
  DecodeRemotePointer: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr)
// ProcessHandle : HANDLE -> "pointer"
// Ptr : void* optional -> "pointer"
// DecodedPtr : void** 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
int32_t DecodeRemotePointer(
    void* ProcessHandle,
    void* Ptr,
    void** DecodedPtr);
C, "api-ms-win-core-util-l1-1-1.dll");
// $ffi->DecodeRemotePointer(ProcessHandle, Ptr, DecodedPtr);
// ProcessHandle : HANDLE
// Ptr : void* optional
// DecodedPtr : void** 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 Api-ms-win-core-util-l1-1-1 extends StdCallLibrary {
    Api-ms-win-core-util-l1-1-1 INSTANCE = Native.load("api-ms-win-core-util-l1-1-1", Api-ms-win-core-util-l1-1-1.class);
    int DecodeRemotePointer(
        Pointer ProcessHandle,   // HANDLE
        Pointer Ptr,   // void* optional
        Pointer DecodedPtr   // void** out
    );
}

@[Link("api-ms-win-core-util-l1-1-1")]
lib Libapi-ms-win-core-util-l1-1-1
  fun DecodeRemotePointer = DecodeRemotePointer(
    ProcessHandle : Void*,   # HANDLE
    Ptr : Void*,   # void* optional
    DecodedPtr : Void**   # void** 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 DecodeRemotePointerNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef DecodeRemotePointerDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
final DecodeRemotePointer = DynamicLibrary.open('api-ms-win-core-util-l1-1-1.dll')
    .lookupFunction<DecodeRemotePointerNative, DecodeRemotePointerDart>('DecodeRemotePointer');
// ProcessHandle : HANDLE -> Pointer<Void>
// Ptr : void* optional -> Pointer<Void>
// DecodedPtr : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DecodeRemotePointer(
  ProcessHandle: THandle;   // HANDLE
  Ptr: Pointer;   // void* optional
  DecodedPtr: Pointer   // void** out
): Integer; stdcall;
  external 'api-ms-win-core-util-l1-1-1.dll' name 'DecodeRemotePointer';

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

foreign import stdcall safe "DecodeRemotePointer"
  c_DecodeRemotePointer :: Ptr () -> Ptr () -> Ptr () -> IO Int32
-- ProcessHandle : HANDLE -> Ptr ()
-- Ptr : void* optional -> Ptr ()
-- DecodedPtr : void** 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 decoderemotepointer =
  foreign "DecodeRemotePointer"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* ProcessHandle : HANDLE -> (ptr void) *)
(* Ptr : void* optional -> (ptr void) *)
(* DecodedPtr : void** 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 api-ms-win-core-util-l1-1-1 (t "api-ms-win-core-util-l1-1-1.dll"))
(cffi:use-foreign-library api-ms-win-core-util-l1-1-1)

(cffi:defcfun ("DecodeRemotePointer" decode-remote-pointer :convention :stdcall) :int32
  (process-handle :pointer)   ; HANDLE
  (ptr :pointer)   ; void* optional
  (decoded-ptr :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DecodeRemotePointer = Win32::API::More->new('api-ms-win-core-util-l1-1-1',
    'int DecodeRemotePointer(HANDLE ProcessHandle, LPVOID Ptr, LPVOID DecodedPtr)');
# my $ret = $DecodeRemotePointer->Call($ProcessHandle, $Ptr, $DecodedPtr);
# ProcessHandle : HANDLE -> HANDLE
# Ptr : void* optional -> LPVOID
# DecodedPtr : void** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。