SniffStream

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

HRESULT SniffStream(
    IStream* pInStream,
    DWORD* pnFormat,
    IStream** ppOutStream
);

<DllImport("ImgUtil.dll", ExactSpelling:=True)>
Public Shared Function SniffStream(
    pInStream As IntPtr,   ' IStream*
    ByRef pnFormat As UInteger,   ' DWORD* in/out
    ppOutStream As IntPtr   ' IStream** out
) As Integer
End Function

' pInStream : IStream*
' pnFormat : DWORD* in/out
' ppOutStream : IStream** out
Declare PtrSafe Function SniffStream Lib "imgutil" ( _
    ByVal pInStream As LongPtr, _
    ByRef pnFormat As Long, _
    ByVal ppOutStream 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

SniffStream = ctypes.windll.imgutil.SniffStream
SniffStream.restype = ctypes.c_int
SniffStream.argtypes = [
    ctypes.c_void_p,  # pInStream : IStream*
    ctypes.POINTER(wintypes.DWORD),  # pnFormat : DWORD* in/out
    ctypes.c_void_p,  # ppOutStream : IStream** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ImgUtil.dll')
SniffStream = Fiddle::Function.new(
  lib['SniffStream'],
  [
    Fiddle::TYPE_VOIDP,  # pInStream : IStream*
    Fiddle::TYPE_VOIDP,  # pnFormat : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # ppOutStream : IStream** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "imgutil")]
extern "system" {
    fn SniffStream(
        pInStream: *mut core::ffi::c_void,  // IStream*
        pnFormat: *mut u32,  // DWORD* in/out
        ppOutStream: *mut *mut core::ffi::c_void  // IStream** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ImgUtil.dll")]
public static extern int SniffStream(IntPtr pInStream, ref uint pnFormat, IntPtr ppOutStream);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ImgUtil_SniffStream' -Namespace Win32 -PassThru
# $api::SniffStream(pInStream, pnFormat, ppOutStream)

#uselib "ImgUtil.dll"
#func global SniffStream "SniffStream" sptr, sptr, sptr
; SniffStream pInStream, varptr(pnFormat), ppOutStream   ; 戻り値は stat
; pInStream : IStream* -> "sptr"
; pnFormat : DWORD* in/out -> "sptr"
; ppOutStream : IStream** 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 (
	imgutil = windows.NewLazySystemDLL("ImgUtil.dll")
	procSniffStream = imgutil.NewProc("SniffStream")
)

// pInStream (IStream*), pnFormat (DWORD* in/out), ppOutStream (IStream** out)
r1, _, err := procSniffStream.Call(
	uintptr(pInStream),
	uintptr(pnFormat),
	uintptr(ppOutStream),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SniffStream(
  pInStream: Pointer;   // IStream*
  pnFormat: Pointer;   // DWORD* in/out
  ppOutStream: Pointer   // IStream** out
): Integer; stdcall;
  external 'ImgUtil.dll' name 'SniffStream';

result := DllCall("ImgUtil\SniffStream"
    , "Ptr", pInStream   ; IStream*
    , "Ptr", pnFormat   ; DWORD* in/out
    , "Ptr", ppOutStream   ; IStream** out
    , "Int")   ; return: HRESULT

●SniffStream(pInStream, pnFormat, ppOutStream) = DLL("ImgUtil.dll", "int SniffStream(void*, void*, void*)")
# 呼び出し: SniffStream(pInStream, pnFormat, ppOutStream)
# pInStream : IStream* -> "void*"
# pnFormat : DWORD* in/out -> "void*"
# ppOutStream : IStream** 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 "imgutil" fn SniffStream(
    pInStream: ?*anyopaque, // IStream*
    pnFormat: [*c]u32, // DWORD* in/out
    ppOutStream: ?*anyopaque // IStream** out
) callconv(std.os.windows.WINAPI) i32;

proc SniffStream(
    pInStream: pointer,  # IStream*
    pnFormat: ptr uint32,  # DWORD* in/out
    ppOutStream: pointer  # IStream** out
): int32 {.importc: "SniffStream", stdcall, dynlib: "ImgUtil.dll".}

pragma(lib, "imgutil");
extern(Windows)
int SniffStream(
    void* pInStream,   // IStream*
    uint* pnFormat,   // DWORD* in/out
    void* ppOutStream   // IStream** out
);

ccall((:SniffStream, "ImgUtil.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt32}, Ptr{Cvoid}),
      pInStream, pnFormat, ppOutStream)
# pInStream : IStream* -> Ptr{Cvoid}
# pnFormat : DWORD* in/out -> Ptr{UInt32}
# ppOutStream : IStream** 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 SniffStream(
    void* pInStream,
    uint32_t* pnFormat,
    void* ppOutStream);
]]
local imgutil = ffi.load("imgutil")
-- imgutil.SniffStream(pInStream, pnFormat, ppOutStream)
-- pInStream : IStream*
-- pnFormat : DWORD* in/out
-- ppOutStream : IStream** 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('ImgUtil.dll');
const SniffStream = lib.func('__stdcall', 'SniffStream', 'int32_t', ['void *', 'uint32_t *', 'void *']);
// SniffStream(pInStream, pnFormat, ppOutStream)
// pInStream : IStream* -> 'void *'
// pnFormat : DWORD* in/out -> 'uint32_t *'
// ppOutStream : IStream** 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("ImgUtil.dll", {
  SniffStream: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.SniffStream(pInStream, pnFormat, ppOutStream)
// pInStream : IStream* -> "pointer"
// pnFormat : DWORD* in/out -> "pointer"
// ppOutStream : IStream** 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 SniffStream(
    void* pInStream,
    uint32_t* pnFormat,
    void* ppOutStream);
C, "ImgUtil.dll");
// $ffi->SniffStream(pInStream, pnFormat, ppOutStream);
// pInStream : IStream*
// pnFormat : DWORD* in/out
// ppOutStream : IStream** 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 Imgutil extends StdCallLibrary {
    Imgutil INSTANCE = Native.load("imgutil", Imgutil.class);
    int SniffStream(
        Pointer pInStream,   // IStream*
        IntByReference pnFormat,   // DWORD* in/out
        Pointer ppOutStream   // IStream** out
    );
}

@[Link("imgutil")]
lib LibImgUtil
  fun SniffStream = SniffStream(
    pInStream : Void*,   # IStream*
    pnFormat : UInt32*,   # DWORD* in/out
    ppOutStream : Void*   # IStream** 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 SniffStreamNative = Int32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef SniffStreamDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final SniffStream = DynamicLibrary.open('ImgUtil.dll')
    .lookupFunction<SniffStreamNative, SniffStreamDart>('SniffStream');
// pInStream : IStream* -> Pointer<Void>
// pnFormat : DWORD* in/out -> Pointer<Uint32>
// ppOutStream : IStream** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SniffStream(
  pInStream: Pointer;   // IStream*
  pnFormat: Pointer;   // DWORD* in/out
  ppOutStream: Pointer   // IStream** out
): Integer; stdcall;
  external 'ImgUtil.dll' name 'SniffStream';

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

foreign import stdcall safe "SniffStream"
  c_SniffStream :: Ptr () -> Ptr Word32 -> Ptr () -> IO Int32
-- pInStream : IStream* -> Ptr ()
-- pnFormat : DWORD* in/out -> Ptr Word32
-- ppOutStream : IStream** 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 sniffstream =
  foreign "SniffStream"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* pInStream : IStream* -> (ptr void) *)
(* pnFormat : DWORD* in/out -> (ptr uint32_t) *)
(* ppOutStream : IStream** 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 imgutil (t "ImgUtil.dll"))
(cffi:use-foreign-library imgutil)

(cffi:defcfun ("SniffStream" sniff-stream :convention :stdcall) :int32
  (p-in-stream :pointer)   ; IStream*
  (pn-format :pointer)   ; DWORD* in/out
  (pp-out-stream :pointer))   ; IStream** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SniffStream = Win32::API::More->new('ImgUtil',
    'int SniffStream(LPVOID pInStream, LPVOID pnFormat, LPVOID ppOutStream)');
# my $ret = $SniffStream->Call($pInStream, $pnFormat, $ppOutStream);
# pInStream : IStream* -> LPVOID
# pnFormat : DWORD* in/out -> LPVOID
# ppOutStream : IStream** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。