NdrGetBuffer

// RPCRT4.dll
#include <windows.h>

BYTE* NdrGetBuffer(
    MIDL_STUB_MESSAGE* pStubMsg,
    DWORD BufferLength,
    void* Handle
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function NdrGetBuffer(
    pStubMsg As IntPtr,   ' MIDL_STUB_MESSAGE* in/out
    BufferLength As UInteger,   ' DWORD
    Handle As IntPtr   ' void* in/out
) As IntPtr
End Function

' pStubMsg : MIDL_STUB_MESSAGE* in/out
' BufferLength : DWORD
' Handle : void* in/out
Declare PtrSafe Function NdrGetBuffer Lib "rpcrt4" ( _
    ByVal pStubMsg As LongPtr, _
    ByVal BufferLength As Long, _
    ByVal Handle As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

NdrGetBuffer = ctypes.windll.rpcrt4.NdrGetBuffer
NdrGetBuffer.restype = ctypes.c_void_p
NdrGetBuffer.argtypes = [
    ctypes.c_void_p,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    wintypes.DWORD,  # BufferLength : DWORD
    ctypes.POINTER(None),  # Handle : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
NdrGetBuffer = Fiddle::Function.new(
  lib['NdrGetBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    -Fiddle::TYPE_INT,  # BufferLength : DWORD
    Fiddle::TYPE_VOIDP,  # Handle : void* in/out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "rpcrt4")]
extern "system" {
    fn NdrGetBuffer(
        pStubMsg: *mut MIDL_STUB_MESSAGE,  // MIDL_STUB_MESSAGE* in/out
        BufferLength: u32,  // DWORD
        Handle: *mut ()  // void* in/out
    ) -> *mut u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern IntPtr NdrGetBuffer(IntPtr pStubMsg, uint BufferLength, IntPtr Handle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_NdrGetBuffer' -Namespace Win32 -PassThru
# $api::NdrGetBuffer(pStubMsg, BufferLength, Handle)

#uselib "RPCRT4.dll"
#func global NdrGetBuffer "NdrGetBuffer" sptr, sptr, sptr
; NdrGetBuffer varptr(pStubMsg), BufferLength, Handle   ; 戻り値は stat
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "sptr"
; BufferLength : DWORD -> "sptr"
; Handle : void* in/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 "RPCRT4.dll"
#cfunc global NdrGetBuffer "NdrGetBuffer" var, int, sptr
; res = NdrGetBuffer(pStubMsg, BufferLength, Handle)
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var"
; BufferLength : DWORD -> "int"
; Handle : void* in/out -> "sptr"
; ※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。

; BYTE* NdrGetBuffer(MIDL_STUB_MESSAGE* pStubMsg, DWORD BufferLength, void* Handle)
#uselib "RPCRT4.dll"
#cfunc global NdrGetBuffer "NdrGetBuffer" var, int, intptr
; res = NdrGetBuffer(pStubMsg, BufferLength, Handle)
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "var"
; BufferLength : DWORD -> "int"
; Handle : void* in/out -> "intptr"
; ※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 (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procNdrGetBuffer = rpcrt4.NewProc("NdrGetBuffer")
)

// pStubMsg (MIDL_STUB_MESSAGE* in/out), BufferLength (DWORD), Handle (void* in/out)
r1, _, err := procNdrGetBuffer.Call(
	uintptr(pStubMsg),
	uintptr(BufferLength),
	uintptr(Handle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BYTE*

function NdrGetBuffer(
  pStubMsg: Pointer;   // MIDL_STUB_MESSAGE* in/out
  BufferLength: DWORD;   // DWORD
  Handle: Pointer   // void* in/out
): Pointer; stdcall;
  external 'RPCRT4.dll' name 'NdrGetBuffer';

result := DllCall("RPCRT4\NdrGetBuffer"
    , "Ptr", pStubMsg   ; MIDL_STUB_MESSAGE* in/out
    , "UInt", BufferLength   ; DWORD
    , "Ptr", Handle   ; void* in/out
    , "Ptr")   ; return: BYTE*

●NdrGetBuffer(pStubMsg, BufferLength, Handle) = DLL("RPCRT4.dll", "void* NdrGetBuffer(void*, dword, void*)")
# 呼び出し: NdrGetBuffer(pStubMsg, BufferLength, Handle)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> "void*"
# BufferLength : DWORD -> "dword"
# Handle : void* in/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)。