OleLoadFromStream

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

HRESULT OleLoadFromStream(
    IStream* pStm,
    const GUID* iidInterface,
    void** ppvObj
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function OleLoadFromStream(
    pStm As IntPtr,   ' IStream*
    ByRef iidInterface As Guid,   ' GUID*
    ppvObj As IntPtr   ' void** out
) As Integer
End Function

' pStm : IStream*
' iidInterface : GUID*
' ppvObj : void** out
Declare PtrSafe Function OleLoadFromStream Lib "ole32" ( _
    ByVal pStm As LongPtr, _
    ByVal iidInterface As LongPtr, _
    ByVal ppvObj 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

OleLoadFromStream = ctypes.windll.ole32.OleLoadFromStream
OleLoadFromStream.restype = ctypes.c_int
OleLoadFromStream.argtypes = [
    ctypes.c_void_p,  # pStm : IStream*
    ctypes.c_void_p,  # iidInterface : GUID*
    ctypes.c_void_p,  # ppvObj : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
OleLoadFromStream = Fiddle::Function.new(
  lib['OleLoadFromStream'],
  [
    Fiddle::TYPE_VOIDP,  # pStm : IStream*
    Fiddle::TYPE_VOIDP,  # iidInterface : GUID*
    Fiddle::TYPE_VOIDP,  # ppvObj : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn OleLoadFromStream(
        pStm: *mut core::ffi::c_void,  // IStream*
        iidInterface: *const GUID,  // GUID*
        ppvObj: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int OleLoadFromStream(IntPtr pStm, ref Guid iidInterface, IntPtr ppvObj);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_OleLoadFromStream' -Namespace Win32 -PassThru
# $api::OleLoadFromStream(pStm, iidInterface, ppvObj)

#uselib "OLE32.dll"
#func global OleLoadFromStream "OleLoadFromStream" sptr, sptr, sptr
; OleLoadFromStream pStm, varptr(iidInterface), ppvObj   ; 戻り値は stat
; pStm : IStream* -> "sptr"
; iidInterface : GUID* -> "sptr"
; ppvObj : 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。

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procOleLoadFromStream = ole32.NewProc("OleLoadFromStream")
)

// pStm (IStream*), iidInterface (GUID*), ppvObj (void** out)
r1, _, err := procOleLoadFromStream.Call(
	uintptr(pStm),
	uintptr(iidInterface),
	uintptr(ppvObj),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function OleLoadFromStream(
  pStm: Pointer;   // IStream*
  iidInterface: PGUID;   // GUID*
  ppvObj: Pointer   // void** out
): Integer; stdcall;
  external 'OLE32.dll' name 'OleLoadFromStream';

result := DllCall("OLE32\OleLoadFromStream"
    , "Ptr", pStm   ; IStream*
    , "Ptr", iidInterface   ; GUID*
    , "Ptr", ppvObj   ; void** out
    , "Int")   ; return: HRESULT

●OleLoadFromStream(pStm, iidInterface, ppvObj) = DLL("OLE32.dll", "int OleLoadFromStream(void*, void*, void*)")
# 呼び出し: OleLoadFromStream(pStm, iidInterface, ppvObj)
# pStm : IStream* -> "void*"
# iidInterface : GUID* -> "void*"
# ppvObj : 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 "ole32" fn OleLoadFromStream(
    pStm: ?*anyopaque, // IStream*
    iidInterface: [*c]GUID, // GUID*
    ppvObj: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc OleLoadFromStream(
    pStm: pointer,  # IStream*
    iidInterface: ptr GUID,  # GUID*
    ppvObj: pointer  # void** out
): int32 {.importc: "OleLoadFromStream", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int OleLoadFromStream(
    void* pStm,   // IStream*
    GUID* iidInterface,   // GUID*
    void** ppvObj   // void** out
);

ccall((:OleLoadFromStream, "OLE32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{GUID}, Ptr{Cvoid}),
      pStm, iidInterface, ppvObj)
# pStm : IStream* -> Ptr{Cvoid}
# iidInterface : GUID* -> Ptr{GUID}
# ppvObj : 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 OleLoadFromStream(
    void* pStm,
    void* iidInterface,
    void** ppvObj);
]]
local ole32 = ffi.load("ole32")
-- ole32.OleLoadFromStream(pStm, iidInterface, ppvObj)
-- pStm : IStream*
-- iidInterface : GUID*
-- ppvObj : 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('OLE32.dll');
const OleLoadFromStream = lib.func('__stdcall', 'OleLoadFromStream', 'int32_t', ['void *', 'void *', 'void *']);
// OleLoadFromStream(pStm, iidInterface, ppvObj)
// pStm : IStream* -> 'void *'
// iidInterface : GUID* -> 'void *'
// ppvObj : 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("OLE32.dll", {
  OleLoadFromStream: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.OleLoadFromStream(pStm, iidInterface, ppvObj)
// pStm : IStream* -> "pointer"
// iidInterface : GUID* -> "pointer"
// ppvObj : 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 OleLoadFromStream(
    void* pStm,
    void* iidInterface,
    void** ppvObj);
C, "OLE32.dll");
// $ffi->OleLoadFromStream(pStm, iidInterface, ppvObj);
// pStm : IStream*
// iidInterface : GUID*
// ppvObj : 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 Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int OleLoadFromStream(
        Pointer pStm,   // IStream*
        Pointer iidInterface,   // GUID*
        Pointer ppvObj   // void** out
    );
}

@[Link("ole32")]
lib LibOLE32
  fun OleLoadFromStream = OleLoadFromStream(
    pStm : Void*,   # IStream*
    iidInterface : GUID*,   # GUID*
    ppvObj : 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 OleLoadFromStreamNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef OleLoadFromStreamDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
final OleLoadFromStream = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<OleLoadFromStreamNative, OleLoadFromStreamDart>('OleLoadFromStream');
// pStm : IStream* -> Pointer<Void>
// iidInterface : GUID* -> Pointer<Void>
// ppvObj : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function OleLoadFromStream(
  pStm: Pointer;   // IStream*
  iidInterface: PGUID;   // GUID*
  ppvObj: Pointer   // void** out
): Integer; stdcall;
  external 'OLE32.dll' name 'OleLoadFromStream';

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

foreign import stdcall safe "OleLoadFromStream"
  c_OleLoadFromStream :: Ptr () -> Ptr () -> Ptr () -> IO Int32
-- pStm : IStream* -> Ptr ()
-- iidInterface : GUID* -> Ptr ()
-- ppvObj : 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 oleloadfromstream =
  foreign "OleLoadFromStream"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pStm : IStream* -> (ptr void) *)
(* iidInterface : GUID* -> (ptr void) *)
(* ppvObj : 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 ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("OleLoadFromStream" ole-load-from-stream :convention :stdcall) :int32
  (p-stm :pointer)   ; IStream*
  (iid-interface :pointer)   ; GUID*
  (ppv-obj :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 $OleLoadFromStream = Win32::API::More->new('OLE32',
    'int OleLoadFromStream(LPVOID pStm, LPVOID iidInterface, LPVOID ppvObj)');
# my $ret = $OleLoadFromStream->Call($pStm, $iidInterface, $ppvObj);
# pStm : IStream* -> LPVOID
# iidInterface : GUID* -> LPVOID
# ppvObj : 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。