NdrAllocate

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

void* NdrAllocate(
    MIDL_STUB_MESSAGE* pStubMsg,
    UINT_PTR Len
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function NdrAllocate(
    pStubMsg As IntPtr,   ' MIDL_STUB_MESSAGE* in/out
    Len As UIntPtr   ' UINT_PTR
) As IntPtr
End Function

' pStubMsg : MIDL_STUB_MESSAGE* in/out
' Len : UINT_PTR
Declare PtrSafe Function NdrAllocate Lib "rpcrt4" ( _
    ByVal pStubMsg As LongPtr, _
    ByVal Len 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

NdrAllocate = ctypes.windll.rpcrt4.NdrAllocate
NdrAllocate.restype = ctypes.c_void_p
NdrAllocate.argtypes = [
    ctypes.c_void_p,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    ctypes.c_size_t,  # Len : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
NdrAllocate = Fiddle::Function.new(
  lib['NdrAllocate'],
  [
    Fiddle::TYPE_VOIDP,  # pStubMsg : MIDL_STUB_MESSAGE* in/out
    Fiddle::TYPE_UINTPTR_T,  # Len : UINT_PTR
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "rpcrt4")]
extern "system" {
    fn NdrAllocate(
        pStubMsg: *mut MIDL_STUB_MESSAGE,  // MIDL_STUB_MESSAGE* in/out
        Len: usize  // UINT_PTR
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern IntPtr NdrAllocate(IntPtr pStubMsg, UIntPtr Len);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_NdrAllocate' -Namespace Win32 -PassThru
# $api::NdrAllocate(pStubMsg, Len)

#uselib "RPCRT4.dll"
#func global NdrAllocate "NdrAllocate" sptr, sptr
; NdrAllocate varptr(pStubMsg), Len   ; 戻り値は stat
; pStubMsg : MIDL_STUB_MESSAGE* in/out -> "sptr"
; Len : UINT_PTR -> "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。

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

var (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procNdrAllocate = rpcrt4.NewProc("NdrAllocate")
)

// pStubMsg (MIDL_STUB_MESSAGE* in/out), Len (UINT_PTR)
r1, _, err := procNdrAllocate.Call(
	uintptr(pStubMsg),
	uintptr(Len),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function NdrAllocate(
  pStubMsg: Pointer;   // MIDL_STUB_MESSAGE* in/out
  Len: NativeUInt   // UINT_PTR
): Pointer; stdcall;
  external 'RPCRT4.dll' name 'NdrAllocate';

result := DllCall("RPCRT4\NdrAllocate"
    , "Ptr", pStubMsg   ; MIDL_STUB_MESSAGE* in/out
    , "UPtr", Len   ; UINT_PTR
    , "Ptr")   ; return: void*

●NdrAllocate(pStubMsg, Len) = DLL("RPCRT4.dll", "void* NdrAllocate(void*, int)")
# 呼び出し: NdrAllocate(pStubMsg, Len)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> "void*"
# Len : UINT_PTR -> "int"
# 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 "rpcrt4" fn NdrAllocate(
    pStubMsg: [*c]MIDL_STUB_MESSAGE, // MIDL_STUB_MESSAGE* in/out
    Len: usize // UINT_PTR
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc NdrAllocate(
    pStubMsg: ptr MIDL_STUB_MESSAGE,  # MIDL_STUB_MESSAGE* in/out
    Len: uint  # UINT_PTR
): pointer {.importc: "NdrAllocate", stdcall, dynlib: "RPCRT4.dll".}

pragma(lib, "rpcrt4");
extern(Windows)
void* NdrAllocate(
    MIDL_STUB_MESSAGE* pStubMsg,   // MIDL_STUB_MESSAGE* in/out
    size_t Len   // UINT_PTR
);

ccall((:NdrAllocate, "RPCRT4.dll"), stdcall, Ptr{Cvoid},
      (Ptr{MIDL_STUB_MESSAGE}, Csize_t),
      pStubMsg, Len)
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> Ptr{MIDL_STUB_MESSAGE}
# Len : UINT_PTR -> Csize_t
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* NdrAllocate(
    void* pStubMsg,
    uintptr_t Len);
]]
local rpcrt4 = ffi.load("rpcrt4")
-- rpcrt4.NdrAllocate(pStubMsg, Len)
-- pStubMsg : MIDL_STUB_MESSAGE* in/out
-- Len : UINT_PTR
-- 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('RPCRT4.dll');
const NdrAllocate = lib.func('__stdcall', 'NdrAllocate', 'void *', ['void *', 'uintptr_t']);
// NdrAllocate(pStubMsg, Len)
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> 'void *'
// Len : UINT_PTR -> 'uintptr_t'
// 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("RPCRT4.dll", {
  NdrAllocate: { parameters: ["pointer", "usize"], result: "pointer" },
});
// lib.symbols.NdrAllocate(pStubMsg, Len)
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> "pointer"
// Len : UINT_PTR -> "usize"
// 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
void* NdrAllocate(
    void* pStubMsg,
    size_t Len);
C, "RPCRT4.dll");
// $ffi->NdrAllocate(pStubMsg, Len);
// pStubMsg : MIDL_STUB_MESSAGE* in/out
// Len : UINT_PTR
// 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 Rpcrt4 extends StdCallLibrary {
    Rpcrt4 INSTANCE = Native.load("rpcrt4", Rpcrt4.class);
    Pointer NdrAllocate(
        Pointer pStubMsg,   // MIDL_STUB_MESSAGE* in/out
        long Len   // UINT_PTR
    );
}

@[Link("rpcrt4")]
lib LibRPCRT4
  fun NdrAllocate = NdrAllocate(
    pStubMsg : MIDL_STUB_MESSAGE*,   # MIDL_STUB_MESSAGE* in/out
    Len : LibC::SizeT   # UINT_PTR
  ) : Void*
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 NdrAllocateNative = Pointer<Void> Function(Pointer<Void>, UintPtr);
typedef NdrAllocateDart = Pointer<Void> Function(Pointer<Void>, int);
final NdrAllocate = DynamicLibrary.open('RPCRT4.dll')
    .lookupFunction<NdrAllocateNative, NdrAllocateDart>('NdrAllocate');
// pStubMsg : MIDL_STUB_MESSAGE* in/out -> Pointer<Void>
// Len : UINT_PTR -> UintPtr
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function NdrAllocate(
  pStubMsg: Pointer;   // MIDL_STUB_MESSAGE* in/out
  Len: NativeUInt   // UINT_PTR
): Pointer; stdcall;
  external 'RPCRT4.dll' name 'NdrAllocate';

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

foreign import stdcall safe "NdrAllocate"
  c_NdrAllocate :: Ptr () -> CUIntPtr -> IO (Ptr ())
-- pStubMsg : MIDL_STUB_MESSAGE* in/out -> Ptr ()
-- Len : UINT_PTR -> CUIntPtr
-- 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 ndrallocate =
  foreign "NdrAllocate"
    ((ptr void) @-> size_t @-> returning (ptr void))
(* pStubMsg : MIDL_STUB_MESSAGE* in/out -> (ptr void) *)
(* Len : UINT_PTR -> size_t *)
(* 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 rpcrt4 (t "RPCRT4.dll"))
(cffi:use-foreign-library rpcrt4)

(cffi:defcfun ("NdrAllocate" ndr-allocate :convention :stdcall) :pointer
  (p-stub-msg :pointer)   ; MIDL_STUB_MESSAGE* in/out
  (len :uint64))   ; UINT_PTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $NdrAllocate = Win32::API::More->new('RPCRT4',
    'LPVOID NdrAllocate(LPVOID pStubMsg, WPARAM Len)');
# my $ret = $NdrAllocate->Call($pStubMsg, $Len);
# pStubMsg : MIDL_STUB_MESSAGE* in/out -> LPVOID
# Len : UINT_PTR -> WPARAM
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。