DrtGetEventDataSize

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

HRESULT DrtGetEventDataSize(
    void* hDrt,
    DWORD* pulEventDataLen
);

<DllImport("drt.dll", ExactSpelling:=True)>
Public Shared Function DrtGetEventDataSize(
    hDrt As IntPtr,   ' void*
    <Out> ByRef pulEventDataLen As UInteger   ' DWORD* out
) As Integer
End Function

' hDrt : void*
' pulEventDataLen : DWORD* out
Declare PtrSafe Function DrtGetEventDataSize Lib "drt" ( _
    ByVal hDrt As LongPtr, _
    ByRef pulEventDataLen As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DrtGetEventDataSize = ctypes.windll.drt.DrtGetEventDataSize
DrtGetEventDataSize.restype = ctypes.c_int
DrtGetEventDataSize.argtypes = [
    ctypes.POINTER(None),  # hDrt : void*
    ctypes.POINTER(wintypes.DWORD),  # pulEventDataLen : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drt.dll')
DrtGetEventDataSize = Fiddle::Function.new(
  lib['DrtGetEventDataSize'],
  [
    Fiddle::TYPE_VOIDP,  # hDrt : void*
    Fiddle::TYPE_VOIDP,  # pulEventDataLen : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "drt")]
extern "system" {
    fn DrtGetEventDataSize(
        hDrt: *mut (),  // void*
        pulEventDataLen: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("drt.dll")]
public static extern int DrtGetEventDataSize(IntPtr hDrt, out uint pulEventDataLen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drt_DrtGetEventDataSize' -Namespace Win32 -PassThru
# $api::DrtGetEventDataSize(hDrt, pulEventDataLen)

#uselib "drt.dll"
#func global DrtGetEventDataSize "DrtGetEventDataSize" sptr, sptr
; DrtGetEventDataSize hDrt, varptr(pulEventDataLen)   ; 戻り値は stat
; hDrt : void* -> "sptr"
; pulEventDataLen : DWORD* 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")
	procDrtGetEventDataSize = drt.NewProc("DrtGetEventDataSize")
)

// hDrt (void*), pulEventDataLen (DWORD* out)
r1, _, err := procDrtGetEventDataSize.Call(
	uintptr(hDrt),
	uintptr(pulEventDataLen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DrtGetEventDataSize(
  hDrt: Pointer;   // void*
  pulEventDataLen: Pointer   // DWORD* out
): Integer; stdcall;
  external 'drt.dll' name 'DrtGetEventDataSize';

result := DllCall("drt\DrtGetEventDataSize"
    , "Ptr", hDrt   ; void*
    , "Ptr", pulEventDataLen   ; DWORD* out
    , "Int")   ; return: HRESULT

●DrtGetEventDataSize(hDrt, pulEventDataLen) = DLL("drt.dll", "int DrtGetEventDataSize(void*, void*)")
# 呼び出し: DrtGetEventDataSize(hDrt, pulEventDataLen)
# hDrt : void* -> "void*"
# pulEventDataLen : DWORD* 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 DrtGetEventDataSize(
    hDrt: ?*anyopaque, // void*
    pulEventDataLen: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc DrtGetEventDataSize(
    hDrt: pointer,  # void*
    pulEventDataLen: ptr uint32  # DWORD* out
): int32 {.importc: "DrtGetEventDataSize", stdcall, dynlib: "drt.dll".}

pragma(lib, "drt");
extern(Windows)
int DrtGetEventDataSize(
    void* hDrt,   // void*
    uint* pulEventDataLen   // DWORD* out
);

ccall((:DrtGetEventDataSize, "drt.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt32}),
      hDrt, pulEventDataLen)
# hDrt : void* -> Ptr{Cvoid}
# pulEventDataLen : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DrtGetEventDataSize(
    void* hDrt,
    uint32_t* pulEventDataLen);
]]
local drt = ffi.load("drt")
-- drt.DrtGetEventDataSize(hDrt, pulEventDataLen)
-- hDrt : void*
-- pulEventDataLen : DWORD* 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 DrtGetEventDataSize = lib.func('__stdcall', 'DrtGetEventDataSize', 'int32_t', ['void *', 'uint32_t *']);
// DrtGetEventDataSize(hDrt, pulEventDataLen)
// hDrt : void* -> 'void *'
// pulEventDataLen : DWORD* out -> 'uint32_t *'
// 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", {
  DrtGetEventDataSize: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.DrtGetEventDataSize(hDrt, pulEventDataLen)
// hDrt : void* -> "pointer"
// pulEventDataLen : DWORD* 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 DrtGetEventDataSize(
    void* hDrt,
    uint32_t* pulEventDataLen);
C, "drt.dll");
// $ffi->DrtGetEventDataSize(hDrt, pulEventDataLen);
// hDrt : void*
// pulEventDataLen : DWORD* 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 DrtGetEventDataSize(
        Pointer hDrt,   // void*
        IntByReference pulEventDataLen   // DWORD* out
    );
}

@[Link("drt")]
lib Libdrt
  fun DrtGetEventDataSize = DrtGetEventDataSize(
    hDrt : Void*,   # void*
    pulEventDataLen : UInt32*   # DWORD* 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 DrtGetEventDataSizeNative = Int32 Function(Pointer<Void>, Pointer<Uint32>);
typedef DrtGetEventDataSizeDart = int Function(Pointer<Void>, Pointer<Uint32>);
final DrtGetEventDataSize = DynamicLibrary.open('drt.dll')
    .lookupFunction<DrtGetEventDataSizeNative, DrtGetEventDataSizeDart>('DrtGetEventDataSize');
// hDrt : void* -> Pointer<Void>
// pulEventDataLen : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DrtGetEventDataSize(
  hDrt: Pointer;   // void*
  pulEventDataLen: Pointer   // DWORD* out
): Integer; stdcall;
  external 'drt.dll' name 'DrtGetEventDataSize';

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

foreign import stdcall safe "DrtGetEventDataSize"
  c_DrtGetEventDataSize :: Ptr () -> Ptr Word32 -> IO Int32
-- hDrt : void* -> Ptr ()
-- pulEventDataLen : DWORD* out -> Ptr Word32
-- 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 drtgeteventdatasize =
  foreign "DrtGetEventDataSize"
    ((ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* hDrt : void* -> (ptr void) *)
(* pulEventDataLen : DWORD* out -> (ptr uint32_t) *)
(* 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 ("DrtGetEventDataSize" drt-get-event-data-size :convention :stdcall) :int32
  (h-drt :pointer)   ; void*
  (pul-event-data-len :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DrtGetEventDataSize = Win32::API::More->new('drt',
    'int DrtGetEventDataSize(LPVOID hDrt, LPVOID pulEventDataLen)');
# my $ret = $DrtGetEventDataSize->Call($hDrt, $pulEventDataLen);
# hDrt : void* -> LPVOID
# pulEventDataLen : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。