DrtOpen

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

HRESULT DrtOpen(
    const DRT_SETTINGS* pSettings,
    HANDLE hEvent,   // optional
    const void* pvContext,   // optional
    void** phDrt
);

<DllImport("drt.dll", ExactSpelling:=True)>
Public Shared Function DrtOpen(
    pSettings As IntPtr,   ' DRT_SETTINGS*
    hEvent As IntPtr,   ' HANDLE optional
    pvContext As IntPtr,   ' void* optional
    phDrt As IntPtr   ' void** out
) As Integer
End Function

' pSettings : DRT_SETTINGS*
' hEvent : HANDLE optional
' pvContext : void* optional
' phDrt : void** out
Declare PtrSafe Function DrtOpen Lib "drt" ( _
    ByVal pSettings As LongPtr, _
    ByVal hEvent As LongPtr, _
    ByVal pvContext As LongPtr, _
    ByVal phDrt 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

DrtOpen = ctypes.windll.drt.DrtOpen
DrtOpen.restype = ctypes.c_int
DrtOpen.argtypes = [
    ctypes.c_void_p,  # pSettings : DRT_SETTINGS*
    wintypes.HANDLE,  # hEvent : HANDLE optional
    ctypes.POINTER(None),  # pvContext : void* optional
    ctypes.c_void_p,  # phDrt : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drt.dll')
DrtOpen = Fiddle::Function.new(
  lib['DrtOpen'],
  [
    Fiddle::TYPE_VOIDP,  # pSettings : DRT_SETTINGS*
    Fiddle::TYPE_VOIDP,  # hEvent : HANDLE optional
    Fiddle::TYPE_VOIDP,  # pvContext : void* optional
    Fiddle::TYPE_VOIDP,  # phDrt : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "drt")]
extern "system" {
    fn DrtOpen(
        pSettings: *const DRT_SETTINGS,  // DRT_SETTINGS*
        hEvent: *mut core::ffi::c_void,  // HANDLE optional
        pvContext: *const (),  // void* optional
        phDrt: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("drt.dll")]
public static extern int DrtOpen(IntPtr pSettings, IntPtr hEvent, IntPtr pvContext, IntPtr phDrt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drt_DrtOpen' -Namespace Win32 -PassThru
# $api::DrtOpen(pSettings, hEvent, pvContext, phDrt)

#uselib "drt.dll"
#func global DrtOpen "DrtOpen" sptr, sptr, sptr, sptr
; DrtOpen varptr(pSettings), hEvent, pvContext, phDrt   ; 戻り値は stat
; pSettings : DRT_SETTINGS* -> "sptr"
; hEvent : HANDLE optional -> "sptr"
; pvContext : void* optional -> "sptr"
; phDrt : 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 (
	drt = windows.NewLazySystemDLL("drt.dll")
	procDrtOpen = drt.NewProc("DrtOpen")
)

// pSettings (DRT_SETTINGS*), hEvent (HANDLE optional), pvContext (void* optional), phDrt (void** out)
r1, _, err := procDrtOpen.Call(
	uintptr(pSettings),
	uintptr(hEvent),
	uintptr(pvContext),
	uintptr(phDrt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DrtOpen(
  pSettings: Pointer;   // DRT_SETTINGS*
  hEvent: THandle;   // HANDLE optional
  pvContext: Pointer;   // void* optional
  phDrt: Pointer   // void** out
): Integer; stdcall;
  external 'drt.dll' name 'DrtOpen';

result := DllCall("drt\DrtOpen"
    , "Ptr", pSettings   ; DRT_SETTINGS*
    , "Ptr", hEvent   ; HANDLE optional
    , "Ptr", pvContext   ; void* optional
    , "Ptr", phDrt   ; void** out
    , "Int")   ; return: HRESULT

●DrtOpen(pSettings, hEvent, pvContext, phDrt) = DLL("drt.dll", "int DrtOpen(void*, void*, void*, void*)")
# 呼び出し: DrtOpen(pSettings, hEvent, pvContext, phDrt)
# pSettings : DRT_SETTINGS* -> "void*"
# hEvent : HANDLE optional -> "void*"
# pvContext : void* optional -> "void*"
# phDrt : 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 "drt" fn DrtOpen(
    pSettings: [*c]DRT_SETTINGS, // DRT_SETTINGS*
    hEvent: ?*anyopaque, // HANDLE optional
    pvContext: ?*anyopaque, // void* optional
    phDrt: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc DrtOpen(
    pSettings: ptr DRT_SETTINGS,  # DRT_SETTINGS*
    hEvent: pointer,  # HANDLE optional
    pvContext: pointer,  # void* optional
    phDrt: pointer  # void** out
): int32 {.importc: "DrtOpen", stdcall, dynlib: "drt.dll".}

pragma(lib, "drt");
extern(Windows)
int DrtOpen(
    DRT_SETTINGS* pSettings,   // DRT_SETTINGS*
    void* hEvent,   // HANDLE optional
    void* pvContext,   // void* optional
    void** phDrt   // void** out
);

ccall((:DrtOpen, "drt.dll"), stdcall, Int32,
      (Ptr{DRT_SETTINGS}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}),
      pSettings, hEvent, pvContext, phDrt)
# pSettings : DRT_SETTINGS* -> Ptr{DRT_SETTINGS}
# hEvent : HANDLE optional -> Ptr{Cvoid}
# pvContext : void* optional -> Ptr{Cvoid}
# phDrt : 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 DrtOpen(
    void* pSettings,
    void* hEvent,
    void* pvContext,
    void** phDrt);
]]
local drt = ffi.load("drt")
-- drt.DrtOpen(pSettings, hEvent, pvContext, phDrt)
-- pSettings : DRT_SETTINGS*
-- hEvent : HANDLE optional
-- pvContext : void* optional
-- phDrt : 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('drt.dll');
const DrtOpen = lib.func('__stdcall', 'DrtOpen', 'int32_t', ['void *', 'void *', 'void *', 'void *']);
// DrtOpen(pSettings, hEvent, pvContext, phDrt)
// pSettings : DRT_SETTINGS* -> 'void *'
// hEvent : HANDLE optional -> 'void *'
// pvContext : void* optional -> 'void *'
// phDrt : 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("drt.dll", {
  DrtOpen: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DrtOpen(pSettings, hEvent, pvContext, phDrt)
// pSettings : DRT_SETTINGS* -> "pointer"
// hEvent : HANDLE optional -> "pointer"
// pvContext : void* optional -> "pointer"
// phDrt : 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 DrtOpen(
    void* pSettings,
    void* hEvent,
    void* pvContext,
    void** phDrt);
C, "drt.dll");
// $ffi->DrtOpen(pSettings, hEvent, pvContext, phDrt);
// pSettings : DRT_SETTINGS*
// hEvent : HANDLE optional
// pvContext : void* optional
// phDrt : 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 Drt extends StdCallLibrary {
    Drt INSTANCE = Native.load("drt", Drt.class);
    int DrtOpen(
        Pointer pSettings,   // DRT_SETTINGS*
        Pointer hEvent,   // HANDLE optional
        Pointer pvContext,   // void* optional
        Pointer phDrt   // void** out
    );
}

@[Link("drt")]
lib Libdrt
  fun DrtOpen = DrtOpen(
    pSettings : DRT_SETTINGS*,   # DRT_SETTINGS*
    hEvent : Void*,   # HANDLE optional
    pvContext : Void*,   # void* optional
    phDrt : 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 DrtOpenNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef DrtOpenDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final DrtOpen = DynamicLibrary.open('drt.dll')
    .lookupFunction<DrtOpenNative, DrtOpenDart>('DrtOpen');
// pSettings : DRT_SETTINGS* -> Pointer<Void>
// hEvent : HANDLE optional -> Pointer<Void>
// pvContext : void* optional -> Pointer<Void>
// phDrt : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DrtOpen(
  pSettings: Pointer;   // DRT_SETTINGS*
  hEvent: THandle;   // HANDLE optional
  pvContext: Pointer;   // void* optional
  phDrt: Pointer   // void** out
): Integer; stdcall;
  external 'drt.dll' name 'DrtOpen';

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

foreign import stdcall safe "DrtOpen"
  c_DrtOpen :: Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- pSettings : DRT_SETTINGS* -> Ptr ()
-- hEvent : HANDLE optional -> Ptr ()
-- pvContext : void* optional -> Ptr ()
-- phDrt : 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 drtopen =
  foreign "DrtOpen"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pSettings : DRT_SETTINGS* -> (ptr void) *)
(* hEvent : HANDLE optional -> (ptr void) *)
(* pvContext : void* optional -> (ptr void) *)
(* phDrt : 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 drt (t "drt.dll"))
(cffi:use-foreign-library drt)

(cffi:defcfun ("DrtOpen" drt-open :convention :stdcall) :int32
  (p-settings :pointer)   ; DRT_SETTINGS*
  (h-event :pointer)   ; HANDLE optional
  (pv-context :pointer)   ; void* optional
  (ph-drt :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 $DrtOpen = Win32::API::More->new('drt',
    'int DrtOpen(LPVOID pSettings, HANDLE hEvent, LPVOID pvContext, LPVOID phDrt)');
# my $ret = $DrtOpen->Call($pSettings, $hEvent, $pvContext, $phDrt);
# pSettings : DRT_SETTINGS* -> LPVOID
# hEvent : HANDLE optional -> HANDLE
# pvContext : void* optional -> LPVOID
# phDrt : 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。