InitVariantFromGUIDAsString

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

HRESULT InitVariantFromGUIDAsString(
    const GUID* guid,
    VARIANT* pvar
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function InitVariantFromGUIDAsString(
    ByRef guid As Guid,   ' GUID*
    pvar As IntPtr   ' VARIANT* out
) As Integer
End Function

' guid : GUID*
' pvar : VARIANT* out
Declare PtrSafe Function InitVariantFromGUIDAsString Lib "propsys" ( _
    ByVal guid As LongPtr, _
    ByVal pvar 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

InitVariantFromGUIDAsString = ctypes.windll.propsys.InitVariantFromGUIDAsString
InitVariantFromGUIDAsString.restype = ctypes.c_int
InitVariantFromGUIDAsString.argtypes = [
    ctypes.c_void_p,  # guid : GUID*
    ctypes.c_void_p,  # pvar : VARIANT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
InitVariantFromGUIDAsString = Fiddle::Function.new(
  lib['InitVariantFromGUIDAsString'],
  [
    Fiddle::TYPE_VOIDP,  # guid : GUID*
    Fiddle::TYPE_VOIDP,  # pvar : VARIANT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn InitVariantFromGUIDAsString(
        guid: *const GUID,  // GUID*
        pvar: *mut VARIANT  // VARIANT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int InitVariantFromGUIDAsString(ref Guid guid, IntPtr pvar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_InitVariantFromGUIDAsString' -Namespace Win32 -PassThru
# $api::InitVariantFromGUIDAsString(guid, pvar)

#uselib "PROPSYS.dll"
#func global InitVariantFromGUIDAsString "InitVariantFromGUIDAsString" sptr, sptr
; InitVariantFromGUIDAsString varptr(guid), varptr(pvar)   ; 戻り値は stat
; guid : GUID* -> "sptr"
; pvar : VARIANT* 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 (
	propsys = windows.NewLazySystemDLL("PROPSYS.dll")
	procInitVariantFromGUIDAsString = propsys.NewProc("InitVariantFromGUIDAsString")
)

// guid (GUID*), pvar (VARIANT* out)
r1, _, err := procInitVariantFromGUIDAsString.Call(
	uintptr(guid),
	uintptr(pvar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function InitVariantFromGUIDAsString(
  guid: PGUID;   // GUID*
  pvar: Pointer   // VARIANT* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'InitVariantFromGUIDAsString';

result := DllCall("PROPSYS\InitVariantFromGUIDAsString"
    , "Ptr", guid   ; GUID*
    , "Ptr", pvar   ; VARIANT* out
    , "Int")   ; return: HRESULT

●InitVariantFromGUIDAsString(guid, pvar) = DLL("PROPSYS.dll", "int InitVariantFromGUIDAsString(void*, void*)")
# 呼び出し: InitVariantFromGUIDAsString(guid, pvar)
# guid : GUID* -> "void*"
# pvar : VARIANT* 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 "propsys" fn InitVariantFromGUIDAsString(
    guid: [*c]GUID, // GUID*
    pvar: [*c]VARIANT // VARIANT* out
) callconv(std.os.windows.WINAPI) i32;

proc InitVariantFromGUIDAsString(
    guid: ptr GUID,  # GUID*
    pvar: ptr VARIANT  # VARIANT* out
): int32 {.importc: "InitVariantFromGUIDAsString", stdcall, dynlib: "PROPSYS.dll".}

pragma(lib, "propsys");
extern(Windows)
int InitVariantFromGUIDAsString(
    GUID* guid,   // GUID*
    VARIANT* pvar   // VARIANT* out
);

ccall((:InitVariantFromGUIDAsString, "PROPSYS.dll"), stdcall, Int32,
      (Ptr{GUID}, Ptr{VARIANT}),
      guid, pvar)
# guid : GUID* -> Ptr{GUID}
# pvar : VARIANT* out -> Ptr{VARIANT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t InitVariantFromGUIDAsString(
    void* guid,
    void* pvar);
]]
local propsys = ffi.load("propsys")
-- propsys.InitVariantFromGUIDAsString(guid, pvar)
-- guid : GUID*
-- pvar : VARIANT* 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('PROPSYS.dll');
const InitVariantFromGUIDAsString = lib.func('__stdcall', 'InitVariantFromGUIDAsString', 'int32_t', ['void *', 'void *']);
// InitVariantFromGUIDAsString(guid, pvar)
// guid : GUID* -> 'void *'
// pvar : VARIANT* 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("PROPSYS.dll", {
  InitVariantFromGUIDAsString: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.InitVariantFromGUIDAsString(guid, pvar)
// guid : GUID* -> "pointer"
// pvar : VARIANT* 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 InitVariantFromGUIDAsString(
    void* guid,
    void* pvar);
C, "PROPSYS.dll");
// $ffi->InitVariantFromGUIDAsString(guid, pvar);
// guid : GUID*
// pvar : VARIANT* 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 Propsys extends StdCallLibrary {
    Propsys INSTANCE = Native.load("propsys", Propsys.class);
    int InitVariantFromGUIDAsString(
        Pointer guid,   // GUID*
        Pointer pvar   // VARIANT* out
    );
}

@[Link("propsys")]
lib LibPROPSYS
  fun InitVariantFromGUIDAsString = InitVariantFromGUIDAsString(
    guid : GUID*,   # GUID*
    pvar : VARIANT*   # VARIANT* 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 InitVariantFromGUIDAsStringNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef InitVariantFromGUIDAsStringDart = int Function(Pointer<Void>, Pointer<Void>);
final InitVariantFromGUIDAsString = DynamicLibrary.open('PROPSYS.dll')
    .lookupFunction<InitVariantFromGUIDAsStringNative, InitVariantFromGUIDAsStringDart>('InitVariantFromGUIDAsString');
// guid : GUID* -> Pointer<Void>
// pvar : VARIANT* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function InitVariantFromGUIDAsString(
  guid: PGUID;   // GUID*
  pvar: Pointer   // VARIANT* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'InitVariantFromGUIDAsString';

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

foreign import stdcall safe "InitVariantFromGUIDAsString"
  c_InitVariantFromGUIDAsString :: Ptr () -> Ptr () -> IO Int32
-- guid : GUID* -> Ptr ()
-- pvar : VARIANT* 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 initvariantfromguidasstring =
  foreign "InitVariantFromGUIDAsString"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* guid : GUID* -> (ptr void) *)
(* pvar : VARIANT* 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 propsys (t "PROPSYS.dll"))
(cffi:use-foreign-library propsys)

(cffi:defcfun ("InitVariantFromGUIDAsString" init-variant-from-guidas-string :convention :stdcall) :int32
  (guid :pointer)   ; GUID*
  (pvar :pointer))   ; VARIANT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $InitVariantFromGUIDAsString = Win32::API::More->new('PROPSYS',
    'int InitVariantFromGUIDAsString(LPVOID guid, LPVOID pvar)');
# my $ret = $InitVariantFromGUIDAsString->Call($guid, $pvar);
# guid : GUID* -> LPVOID
# pvar : VARIANT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。