CoGetStdMarshalEx

// OLE32.dll
#include <windows.h>

HRESULT CoGetStdMarshalEx(
    IUnknown* pUnkOuter,
    DWORD smexflags,
    IUnknown** ppUnkInner
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoGetStdMarshalEx(
    pUnkOuter As IntPtr,   ' IUnknown*
    smexflags As UInteger,   ' DWORD
    ppUnkInner As IntPtr   ' IUnknown** out
) As Integer
End Function

' pUnkOuter : IUnknown*
' smexflags : DWORD
' ppUnkInner : IUnknown** out
Declare PtrSafe Function CoGetStdMarshalEx Lib "ole32" ( _
    ByVal pUnkOuter As LongPtr, _
    ByVal smexflags As Long, _
    ByVal ppUnkInner 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

CoGetStdMarshalEx = ctypes.windll.ole32.CoGetStdMarshalEx
CoGetStdMarshalEx.restype = ctypes.c_int
CoGetStdMarshalEx.argtypes = [
    ctypes.c_void_p,  # pUnkOuter : IUnknown*
    wintypes.DWORD,  # smexflags : DWORD
    ctypes.c_void_p,  # ppUnkInner : IUnknown** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoGetStdMarshalEx = Fiddle::Function.new(
  lib['CoGetStdMarshalEx'],
  [
    Fiddle::TYPE_VOIDP,  # pUnkOuter : IUnknown*
    -Fiddle::TYPE_INT,  # smexflags : DWORD
    Fiddle::TYPE_VOIDP,  # ppUnkInner : IUnknown** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoGetStdMarshalEx(
        pUnkOuter: *mut core::ffi::c_void,  // IUnknown*
        smexflags: u32,  // DWORD
        ppUnkInner: *mut *mut core::ffi::c_void  // IUnknown** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoGetStdMarshalEx(IntPtr pUnkOuter, uint smexflags, IntPtr ppUnkInner);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoGetStdMarshalEx' -Namespace Win32 -PassThru
# $api::CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner)

#uselib "OLE32.dll"
#func global CoGetStdMarshalEx "CoGetStdMarshalEx" sptr, sptr, sptr
; CoGetStdMarshalEx pUnkOuter, smexflags, ppUnkInner   ; 戻り値は stat
; pUnkOuter : IUnknown* -> "sptr"
; smexflags : DWORD -> "sptr"
; ppUnkInner : IUnknown** 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 "OLE32.dll"
#cfunc global CoGetStdMarshalEx "CoGetStdMarshalEx" sptr, int, sptr
; res = CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner)
; pUnkOuter : IUnknown* -> "sptr"
; smexflags : DWORD -> "int"
; ppUnkInner : IUnknown** out -> "sptr"

; HRESULT CoGetStdMarshalEx(IUnknown* pUnkOuter, DWORD smexflags, IUnknown** ppUnkInner)
#uselib "OLE32.dll"
#cfunc global CoGetStdMarshalEx "CoGetStdMarshalEx" intptr, int, intptr
; res = CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner)
; pUnkOuter : IUnknown* -> "intptr"
; smexflags : DWORD -> "int"
; ppUnkInner : IUnknown** out -> "intptr"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoGetStdMarshalEx = ole32.NewProc("CoGetStdMarshalEx")
)

// pUnkOuter (IUnknown*), smexflags (DWORD), ppUnkInner (IUnknown** out)
r1, _, err := procCoGetStdMarshalEx.Call(
	uintptr(pUnkOuter),
	uintptr(smexflags),
	uintptr(ppUnkInner),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoGetStdMarshalEx(
  pUnkOuter: Pointer;   // IUnknown*
  smexflags: DWORD;   // DWORD
  ppUnkInner: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoGetStdMarshalEx';

result := DllCall("OLE32\CoGetStdMarshalEx"
    , "Ptr", pUnkOuter   ; IUnknown*
    , "UInt", smexflags   ; DWORD
    , "Ptr", ppUnkInner   ; IUnknown** out
    , "Int")   ; return: HRESULT

●CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner) = DLL("OLE32.dll", "int CoGetStdMarshalEx(void*, dword, void*)")
# 呼び出し: CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner)
# pUnkOuter : IUnknown* -> "void*"
# smexflags : DWORD -> "dword"
# ppUnkInner : IUnknown** 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 "ole32" fn CoGetStdMarshalEx(
    pUnkOuter: ?*anyopaque, // IUnknown*
    smexflags: u32, // DWORD
    ppUnkInner: ?*anyopaque // IUnknown** out
) callconv(std.os.windows.WINAPI) i32;

proc CoGetStdMarshalEx(
    pUnkOuter: pointer,  # IUnknown*
    smexflags: uint32,  # DWORD
    ppUnkInner: pointer  # IUnknown** out
): int32 {.importc: "CoGetStdMarshalEx", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int CoGetStdMarshalEx(
    void* pUnkOuter,   // IUnknown*
    uint smexflags,   // DWORD
    void* ppUnkInner   // IUnknown** out
);

ccall((:CoGetStdMarshalEx, "OLE32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, Ptr{Cvoid}),
      pUnkOuter, smexflags, ppUnkInner)
# pUnkOuter : IUnknown* -> Ptr{Cvoid}
# smexflags : DWORD -> UInt32
# ppUnkInner : IUnknown** 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 CoGetStdMarshalEx(
    void* pUnkOuter,
    uint32_t smexflags,
    void* ppUnkInner);
]]
local ole32 = ffi.load("ole32")
-- ole32.CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner)
-- pUnkOuter : IUnknown*
-- smexflags : DWORD
-- ppUnkInner : IUnknown** 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('OLE32.dll');
const CoGetStdMarshalEx = lib.func('__stdcall', 'CoGetStdMarshalEx', 'int32_t', ['void *', 'uint32_t', 'void *']);
// CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner)
// pUnkOuter : IUnknown* -> 'void *'
// smexflags : DWORD -> 'uint32_t'
// ppUnkInner : IUnknown** 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("OLE32.dll", {
  CoGetStdMarshalEx: { parameters: ["pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner)
// pUnkOuter : IUnknown* -> "pointer"
// smexflags : DWORD -> "u32"
// ppUnkInner : IUnknown** 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 CoGetStdMarshalEx(
    void* pUnkOuter,
    uint32_t smexflags,
    void* ppUnkInner);
C, "OLE32.dll");
// $ffi->CoGetStdMarshalEx(pUnkOuter, smexflags, ppUnkInner);
// pUnkOuter : IUnknown*
// smexflags : DWORD
// ppUnkInner : IUnknown** 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 Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int CoGetStdMarshalEx(
        Pointer pUnkOuter,   // IUnknown*
        int smexflags,   // DWORD
        Pointer ppUnkInner   // IUnknown** out
    );
}

@[Link("ole32")]
lib LibOLE32
  fun CoGetStdMarshalEx = CoGetStdMarshalEx(
    pUnkOuter : Void*,   # IUnknown*
    smexflags : UInt32,   # DWORD
    ppUnkInner : Void*   # IUnknown** 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 CoGetStdMarshalExNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>);
typedef CoGetStdMarshalExDart = int Function(Pointer<Void>, int, Pointer<Void>);
final CoGetStdMarshalEx = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<CoGetStdMarshalExNative, CoGetStdMarshalExDart>('CoGetStdMarshalEx');
// pUnkOuter : IUnknown* -> Pointer<Void>
// smexflags : DWORD -> Uint32
// ppUnkInner : IUnknown** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CoGetStdMarshalEx(
  pUnkOuter: Pointer;   // IUnknown*
  smexflags: DWORD;   // DWORD
  ppUnkInner: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoGetStdMarshalEx';

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

foreign import stdcall safe "CoGetStdMarshalEx"
  c_CoGetStdMarshalEx :: Ptr () -> Word32 -> Ptr () -> IO Int32
-- pUnkOuter : IUnknown* -> Ptr ()
-- smexflags : DWORD -> Word32
-- ppUnkInner : IUnknown** 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 cogetstdmarshalex =
  foreign "CoGetStdMarshalEx"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* pUnkOuter : IUnknown* -> (ptr void) *)
(* smexflags : DWORD -> uint32_t *)
(* ppUnkInner : IUnknown** 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 ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("CoGetStdMarshalEx" co-get-std-marshal-ex :convention :stdcall) :int32
  (p-unk-outer :pointer)   ; IUnknown*
  (smexflags :uint32)   ; DWORD
  (pp-unk-inner :pointer))   ; IUnknown** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CoGetStdMarshalEx = Win32::API::More->new('OLE32',
    'int CoGetStdMarshalEx(LPVOID pUnkOuter, DWORD smexflags, LPVOID ppUnkInner)');
# my $ret = $CoGetStdMarshalEx->Call($pUnkOuter, $smexflags, $ppUnkInner);
# pUnkOuter : IUnknown* -> LPVOID
# smexflags : DWORD -> DWORD
# ppUnkInner : IUnknown** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。