DirectDrawCreate

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

HRESULT DirectDrawCreate(
    GUID* lpGUID,
    IDirectDraw** lplpDD,
    IUnknown* pUnkOuter
);

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

' lpGUID : GUID* in/out
' lplpDD : IDirectDraw** out
' pUnkOuter : IUnknown*
Declare PtrSafe Function DirectDrawCreate Lib "ddraw" ( _
    ByVal lpGUID As LongPtr, _
    ByVal lplpDD 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

DirectDrawCreate = ctypes.windll.ddraw.DirectDrawCreate
DirectDrawCreate.restype = ctypes.c_int
DirectDrawCreate.argtypes = [
    ctypes.c_void_p,  # lpGUID : GUID* in/out
    ctypes.c_void_p,  # lplpDD : IDirectDraw** out
    ctypes.c_void_p,  # pUnkOuter : IUnknown*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DDRAW.dll')
DirectDrawCreate = Fiddle::Function.new(
  lib['DirectDrawCreate'],
  [
    Fiddle::TYPE_VOIDP,  # lpGUID : GUID* in/out
    Fiddle::TYPE_VOIDP,  # lplpDD : IDirectDraw** out
    Fiddle::TYPE_VOIDP,  # pUnkOuter : IUnknown*
  ],
  Fiddle::TYPE_INT)

#[link(name = "ddraw")]
extern "system" {
    fn DirectDrawCreate(
        lpGUID: *mut GUID,  // GUID* in/out
        lplpDD: *mut *mut core::ffi::c_void,  // IDirectDraw** out
        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 DirectDrawCreate(ref Guid lpGUID, IntPtr lplpDD, IntPtr pUnkOuter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DDRAW_DirectDrawCreate' -Namespace Win32 -PassThru
# $api::DirectDrawCreate(lpGUID, lplpDD, pUnkOuter)

#uselib "DDRAW.dll"
#func global DirectDrawCreate "DirectDrawCreate" sptr, sptr, sptr
; DirectDrawCreate varptr(lpGUID), lplpDD, pUnkOuter   ; 戻り値は stat
; lpGUID : GUID* in/out -> "sptr"
; lplpDD : IDirectDraw** out -> "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 DirectDrawCreate "DirectDrawCreate" var, sptr, sptr
; res = DirectDrawCreate(lpGUID, lplpDD, pUnkOuter)
; lpGUID : GUID* in/out -> "var"
; lplpDD : IDirectDraw** out -> "sptr"
; 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 DirectDrawCreate(GUID* lpGUID, IDirectDraw** lplpDD, IUnknown* pUnkOuter)
#uselib "DDRAW.dll"
#cfunc global DirectDrawCreate "DirectDrawCreate" var, intptr, intptr
; res = DirectDrawCreate(lpGUID, lplpDD, pUnkOuter)
; lpGUID : GUID* in/out -> "var"
; lplpDD : IDirectDraw** out -> "intptr"
; 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")
	procDirectDrawCreate = ddraw.NewProc("DirectDrawCreate")
)

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

function DirectDrawCreate(
  lpGUID: PGUID;   // GUID* in/out
  lplpDD: Pointer;   // IDirectDraw** out
  pUnkOuter: Pointer   // IUnknown*
): Integer; stdcall;
  external 'DDRAW.dll' name 'DirectDrawCreate';

result := DllCall("DDRAW\DirectDrawCreate"
    , "Ptr", lpGUID   ; GUID* in/out
    , "Ptr", lplpDD   ; IDirectDraw** out
    , "Ptr", pUnkOuter   ; IUnknown*
    , "Int")   ; return: HRESULT

●DirectDrawCreate(lpGUID, lplpDD, pUnkOuter) = DLL("DDRAW.dll", "int DirectDrawCreate(void*, void*, void*)")
# 呼び出し: DirectDrawCreate(lpGUID, lplpDD, pUnkOuter)
# lpGUID : GUID* in/out -> "void*"
# lplpDD : IDirectDraw** out -> "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)。