VARIANT_UserFree64

// OLEAUT32.dll
#include <windows.h>

void VARIANT_UserFree64(
    DWORD* param0,
    VARIANT* param1
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Sub VARIANT_UserFree64(
    ByRef param0 As UInteger,   ' DWORD*
    param1 As IntPtr   ' VARIANT*
)
End Sub

' param0 : DWORD*
' param1 : VARIANT*
Declare PtrSafe Sub VARIANT_UserFree64 Lib "oleaut32" ( _
    ByRef param0 As Long, _
    ByVal param1 As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

VARIANT_UserFree64 = ctypes.windll.oleaut32.VARIANT_UserFree64
VARIANT_UserFree64.restype = None
VARIANT_UserFree64.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # param0 : DWORD*
    ctypes.c_void_p,  # param1 : VARIANT*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
VARIANT_UserFree64 = Fiddle::Function.new(
  lib['VARIANT_UserFree64'],
  [
    Fiddle::TYPE_VOIDP,  # param0 : DWORD*
    Fiddle::TYPE_VOIDP,  # param1 : VARIANT*
  ],
  Fiddle::TYPE_VOID)

#[link(name = "oleaut32")]
extern "system" {
    fn VARIANT_UserFree64(
        param0: *mut u32,  // DWORD*
        param1: *mut VARIANT  // VARIANT*
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern void VARIANT_UserFree64(ref uint param0, IntPtr param1);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_VARIANT_UserFree64' -Namespace Win32 -PassThru
# $api::VARIANT_UserFree64(param0, param1)

#uselib "OLEAUT32.dll"
#func global VARIANT_UserFree64 "VARIANT_UserFree64" sptr, sptr
; VARIANT_UserFree64 varptr(param0), varptr(param1)
; param0 : DWORD* -> "sptr"
; param1 : VARIANT* -> "sptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procVARIANT_UserFree64 = oleaut32.NewProc("VARIANT_UserFree64")
)

// param0 (DWORD*), param1 (VARIANT*)
r1, _, err := procVARIANT_UserFree64.Call(
	uintptr(param0),
	uintptr(param1),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure VARIANT_UserFree64(
  param0: Pointer;   // DWORD*
  param1: Pointer   // VARIANT*
); stdcall;
  external 'OLEAUT32.dll' name 'VARIANT_UserFree64';

result := DllCall("OLEAUT32\VARIANT_UserFree64"
    , "Ptr", param0   ; DWORD*
    , "Ptr", param1   ; VARIANT*
    , "Int")   ; return: void

●VARIANT_UserFree64(param0, param1) = DLL("OLEAUT32.dll", "int VARIANT_UserFree64(void*, void*)")
# 呼び出し: VARIANT_UserFree64(param0, param1)
# param0 : DWORD* -> "void*"
# param1 : VARIANT* -> "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 "oleaut32" fn VARIANT_UserFree64(
    param0: [*c]u32, // DWORD*
    param1: [*c]VARIANT // VARIANT*
) callconv(std.os.windows.WINAPI) void;

proc VARIANT_UserFree64(
    param0: ptr uint32,  # DWORD*
    param1: ptr VARIANT  # VARIANT*
) {.importc: "VARIANT_UserFree64", stdcall, dynlib: "OLEAUT32.dll".}

pragma(lib, "oleaut32");
extern(Windows)
void VARIANT_UserFree64(
    uint* param0,   // DWORD*
    VARIANT* param1   // VARIANT*
);

ccall((:VARIANT_UserFree64, "OLEAUT32.dll"), stdcall, Cvoid,
      (Ptr{UInt32}, Ptr{VARIANT}),
      param0, param1)
# param0 : DWORD* -> Ptr{UInt32}
# param1 : VARIANT* -> Ptr{VARIANT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void VARIANT_UserFree64(
    uint32_t* param0,
    void* param1);
]]
local oleaut32 = ffi.load("oleaut32")
-- oleaut32.VARIANT_UserFree64(param0, param1)
-- param0 : DWORD*
-- param1 : VARIANT*
-- 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('OLEAUT32.dll');
const VARIANT_UserFree64 = lib.func('__stdcall', 'VARIANT_UserFree64', 'void', ['uint32_t *', 'void *']);
// VARIANT_UserFree64(param0, param1)
// param0 : DWORD* -> 'uint32_t *'
// param1 : VARIANT* -> '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("OLEAUT32.dll", {
  VARIANT_UserFree64: { parameters: ["pointer", "pointer"], result: "void" },
});
// lib.symbols.VARIANT_UserFree64(param0, param1)
// param0 : DWORD* -> "pointer"
// param1 : VARIANT* -> "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
void VARIANT_UserFree64(
    uint32_t* param0,
    void* param1);
C, "OLEAUT32.dll");
// $ffi->VARIANT_UserFree64(param0, param1);
// param0 : DWORD*
// param1 : VARIANT*
// 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 Oleaut32 extends StdCallLibrary {
    Oleaut32 INSTANCE = Native.load("oleaut32", Oleaut32.class);
    void VARIANT_UserFree64(
        IntByReference param0,   // DWORD*
        Pointer param1   // VARIANT*
    );
}

@[Link("oleaut32")]
lib LibOLEAUT32
  fun VARIANT_UserFree64 = VARIANT_UserFree64(
    param0 : UInt32*,   # DWORD*
    param1 : VARIANT*   # VARIANT*
  ) : Void
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 VARIANT_UserFree64Native = Void Function(Pointer<Uint32>, Pointer<Void>);
typedef VARIANT_UserFree64Dart = void Function(Pointer<Uint32>, Pointer<Void>);
final VARIANT_UserFree64 = DynamicLibrary.open('OLEAUT32.dll')
    .lookupFunction<VARIANT_UserFree64Native, VARIANT_UserFree64Dart>('VARIANT_UserFree64');
// param0 : DWORD* -> Pointer<Uint32>
// param1 : VARIANT* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure VARIANT_UserFree64(
  param0: Pointer;   // DWORD*
  param1: Pointer   // VARIANT*
); stdcall;
  external 'OLEAUT32.dll' name 'VARIANT_UserFree64';

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

foreign import stdcall safe "VARIANT_UserFree64"
  c_VARIANT_UserFree64 :: Ptr Word32 -> Ptr () -> IO ()
-- param0 : DWORD* -> Ptr Word32
-- param1 : VARIANT* -> 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 variant_userfree64 =
  foreign "VARIANT_UserFree64"
    ((ptr uint32_t) @-> (ptr void) @-> returning void)
(* param0 : DWORD* -> (ptr uint32_t) *)
(* param1 : VARIANT* -> (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 oleaut32 (t "OLEAUT32.dll"))
(cffi:use-foreign-library oleaut32)

(cffi:defcfun ("VARIANT_UserFree64" variant-user-free64 :convention :stdcall) :void
  (param0 :pointer)   ; DWORD*
  (param1 :pointer))   ; VARIANT*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $VARIANT_UserFree64 = Win32::API::More->new('OLEAUT32',
    'void VARIANT_UserFree64(LPVOID param0, LPVOID param1)');
# my $ret = $VARIANT_UserFree64->Call($param0, $param1);
# param0 : DWORD* -> LPVOID
# param1 : VARIANT* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。