EncodeRemotePointer

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

HRESULT EncodeRemotePointer(
    HANDLE ProcessHandle,
    void* Ptr,   // optional
    void** EncodedPtr
);

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

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

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

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "api-ms-win-core-util-l1-1-1")]
extern "system" {
    fn EncodeRemotePointer(
        ProcessHandle: *mut core::ffi::c_void,  // HANDLE
        Ptr: *mut (),  // void* optional
        EncodedPtr: *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 EncodeRemotePointer(IntPtr ProcessHandle, IntPtr Ptr, IntPtr EncodedPtr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-util-l1-1-1_EncodeRemotePointer' -Namespace Win32 -PassThru
# $api::EncodeRemotePointer(ProcessHandle, Ptr, EncodedPtr)

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

; HRESULT EncodeRemotePointer(HANDLE ProcessHandle, void* Ptr, void** EncodedPtr)
#uselib "api-ms-win-core-util-l1-1-1.dll"
#cfunc global EncodeRemotePointer "EncodeRemotePointer" intptr, intptr, intptr
; res = EncodeRemotePointer(ProcessHandle, Ptr, EncodedPtr)
; ProcessHandle : HANDLE -> "intptr"
; Ptr : void* optional -> "intptr"
; EncodedPtr : 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")
	procEncodeRemotePointer = api_ms_win_core_util_l1_1_1.NewProc("EncodeRemotePointer")
)

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

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

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

●EncodeRemotePointer(ProcessHandle, Ptr, EncodedPtr) = DLL("api-ms-win-core-util-l1-1-1.dll", "int EncodeRemotePointer(void*, void*, void*)")
# 呼び出し: EncodeRemotePointer(ProcessHandle, Ptr, EncodedPtr)
# ProcessHandle : HANDLE -> "void*"
# Ptr : void* optional -> "void*"
# EncodedPtr : 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)。