DirectDrawCreateEx

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

HRESULT DirectDrawCreateEx(
    GUID* lpGuid,
    void** lplpDD,
    const GUID* iid,
    IUnknown* pUnkOuter
);

<DllImport("DDRAW.dll", ExactSpelling:=True)>
Public Shared Function DirectDrawCreateEx(
    ByRef lpGuid As Guid,   ' GUID* in/out
    lplpDD As IntPtr,   ' void** in/out
    ByRef iid As Guid,   ' GUID*
    pUnkOuter As IntPtr   ' IUnknown*
) As Integer
End Function

' lpGuid : GUID* in/out
' lplpDD : void** in/out
' iid : GUID*
' pUnkOuter : IUnknown*
Declare PtrSafe Function DirectDrawCreateEx Lib "ddraw" ( _
    ByVal lpGuid As LongPtr, _
    ByVal lplpDD As LongPtr, _
    ByVal iid As LongPtr, _
    ByVal pUnkOuter 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

DirectDrawCreateEx = ctypes.windll.ddraw.DirectDrawCreateEx
DirectDrawCreateEx.restype = ctypes.c_int
DirectDrawCreateEx.argtypes = [
    ctypes.c_void_p,  # lpGuid : GUID* in/out
    ctypes.c_void_p,  # lplpDD : void** in/out
    ctypes.c_void_p,  # iid : GUID*
    ctypes.c_void_p,  # pUnkOuter : IUnknown*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DDRAW.dll')
DirectDrawCreateEx = Fiddle::Function.new(
  lib['DirectDrawCreateEx'],
  [
    Fiddle::TYPE_VOIDP,  # lpGuid : GUID* in/out
    Fiddle::TYPE_VOIDP,  # lplpDD : void** in/out
    Fiddle::TYPE_VOIDP,  # iid : GUID*
    Fiddle::TYPE_VOIDP,  # pUnkOuter : IUnknown*
  ],
  Fiddle::TYPE_INT)

#[link(name = "ddraw")]
extern "system" {
    fn DirectDrawCreateEx(
        lpGuid: *mut GUID,  // GUID* in/out
        lplpDD: *mut *mut (),  // void** in/out
        iid: *const GUID,  // GUID*
        pUnkOuter: *mut core::ffi::c_void  // IUnknown*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DDRAW.dll")]
public static extern int DirectDrawCreateEx(ref Guid lpGuid, IntPtr lplpDD, ref Guid iid, IntPtr pUnkOuter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DDRAW_DirectDrawCreateEx' -Namespace Win32 -PassThru
# $api::DirectDrawCreateEx(lpGuid, lplpDD, iid, pUnkOuter)

#uselib "DDRAW.dll"
#func global DirectDrawCreateEx "DirectDrawCreateEx" sptr, sptr, sptr, sptr
; DirectDrawCreateEx varptr(lpGuid), lplpDD, varptr(iid), pUnkOuter   ; 戻り値は stat
; lpGuid : GUID* in/out -> "sptr"
; lplpDD : void** in/out -> "sptr"
; iid : GUID* -> "sptr"
; pUnkOuter : IUnknown* -> "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 "DDRAW.dll"
#cfunc global DirectDrawCreateEx "DirectDrawCreateEx" var, sptr, var, sptr
; res = DirectDrawCreateEx(lpGuid, lplpDD, iid, pUnkOuter)
; lpGuid : GUID* in/out -> "var"
; lplpDD : void** in/out -> "sptr"
; iid : GUID* -> "var"
; pUnkOuter : IUnknown* -> "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。

; HRESULT DirectDrawCreateEx(GUID* lpGuid, void** lplpDD, GUID* iid, IUnknown* pUnkOuter)
#uselib "DDRAW.dll"
#cfunc global DirectDrawCreateEx "DirectDrawCreateEx" var, intptr, var, intptr
; res = DirectDrawCreateEx(lpGuid, lplpDD, iid, pUnkOuter)
; lpGuid : GUID* in/out -> "var"
; lplpDD : void** in/out -> "intptr"
; iid : GUID* -> "var"
; pUnkOuter : IUnknown* -> "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 (
	ddraw = windows.NewLazySystemDLL("DDRAW.dll")
	procDirectDrawCreateEx = ddraw.NewProc("DirectDrawCreateEx")
)

// lpGuid (GUID* in/out), lplpDD (void** in/out), iid (GUID*), pUnkOuter (IUnknown*)
r1, _, err := procDirectDrawCreateEx.Call(
	uintptr(lpGuid),
	uintptr(lplpDD),
	uintptr(iid),
	uintptr(pUnkOuter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DirectDrawCreateEx(
  lpGuid: PGUID;   // GUID* in/out
  lplpDD: Pointer;   // void** in/out
  iid: PGUID;   // GUID*
  pUnkOuter: Pointer   // IUnknown*
): Integer; stdcall;
  external 'DDRAW.dll' name 'DirectDrawCreateEx';

result := DllCall("DDRAW\DirectDrawCreateEx"
    , "Ptr", lpGuid   ; GUID* in/out
    , "Ptr", lplpDD   ; void** in/out
    , "Ptr", iid   ; GUID*
    , "Ptr", pUnkOuter   ; IUnknown*
    , "Int")   ; return: HRESULT

●DirectDrawCreateEx(lpGuid, lplpDD, iid, pUnkOuter) = DLL("DDRAW.dll", "int DirectDrawCreateEx(void*, void*, void*, void*)")
# 呼び出し: DirectDrawCreateEx(lpGuid, lplpDD, iid, pUnkOuter)
# lpGuid : GUID* in/out -> "void*"
# lplpDD : void** in/out -> "void*"
# iid : GUID* -> "void*"
# pUnkOuter : IUnknown* -> "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)。