PropVariantToUInt16

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

HRESULT PropVariantToUInt16(
    const PROPVARIANT* propvarIn,
    WORD* puiRet
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantToUInt16(
    propvarIn As IntPtr,   ' PROPVARIANT*
    <Out> ByRef puiRet As UShort   ' WORD* out
) As Integer
End Function

' propvarIn : PROPVARIANT*
' puiRet : WORD* out
Declare PtrSafe Function PropVariantToUInt16 Lib "propsys" ( _
    ByVal propvarIn As LongPtr, _
    ByRef puiRet As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PropVariantToUInt16 = ctypes.windll.propsys.PropVariantToUInt16
PropVariantToUInt16.restype = ctypes.c_int
PropVariantToUInt16.argtypes = [
    ctypes.c_void_p,  # propvarIn : PROPVARIANT*
    ctypes.POINTER(ctypes.c_ushort),  # puiRet : WORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PropVariantToUInt16 = Fiddle::Function.new(
  lib['PropVariantToUInt16'],
  [
    Fiddle::TYPE_VOIDP,  # propvarIn : PROPVARIANT*
    Fiddle::TYPE_VOIDP,  # puiRet : WORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PropVariantToUInt16(
        propvarIn: *const PROPVARIANT,  // PROPVARIANT*
        puiRet: *mut u16  // WORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PropVariantToUInt16(IntPtr propvarIn, out ushort puiRet);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PropVariantToUInt16' -Namespace Win32 -PassThru
# $api::PropVariantToUInt16(propvarIn, puiRet)

#uselib "PROPSYS.dll"
#func global PropVariantToUInt16 "PropVariantToUInt16" sptr, sptr
; PropVariantToUInt16 varptr(propvarIn), varptr(puiRet)   ; 戻り値は stat
; propvarIn : PROPVARIANT* -> "sptr"
; puiRet : WORD* 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")
	procPropVariantToUInt16 = propsys.NewProc("PropVariantToUInt16")
)

// propvarIn (PROPVARIANT*), puiRet (WORD* out)
r1, _, err := procPropVariantToUInt16.Call(
	uintptr(propvarIn),
	uintptr(puiRet),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PropVariantToUInt16(
  propvarIn: Pointer;   // PROPVARIANT*
  puiRet: Pointer   // WORD* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToUInt16';

result := DllCall("PROPSYS\PropVariantToUInt16"
    , "Ptr", propvarIn   ; PROPVARIANT*
    , "Ptr", puiRet   ; WORD* out
    , "Int")   ; return: HRESULT

●PropVariantToUInt16(propvarIn, puiRet) = DLL("PROPSYS.dll", "int PropVariantToUInt16(void*, void*)")
# 呼び出し: PropVariantToUInt16(propvarIn, puiRet)
# propvarIn : PROPVARIANT* -> "void*"
# puiRet : WORD* 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 PropVariantToUInt16(
    propvarIn: [*c]PROPVARIANT, // PROPVARIANT*
    puiRet: [*c]u16 // WORD* out
) callconv(std.os.windows.WINAPI) i32;

proc PropVariantToUInt16(
    propvarIn: ptr PROPVARIANT,  # PROPVARIANT*
    puiRet: ptr uint16  # WORD* out
): int32 {.importc: "PropVariantToUInt16", stdcall, dynlib: "PROPSYS.dll".}

pragma(lib, "propsys");
extern(Windows)
int PropVariantToUInt16(
    PROPVARIANT* propvarIn,   // PROPVARIANT*
    ushort* puiRet   // WORD* out
);

ccall((:PropVariantToUInt16, "PROPSYS.dll"), stdcall, Int32,
      (Ptr{PROPVARIANT}, Ptr{UInt16}),
      propvarIn, puiRet)
# propvarIn : PROPVARIANT* -> Ptr{PROPVARIANT}
# puiRet : WORD* out -> Ptr{UInt16}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PropVariantToUInt16(
    void* propvarIn,
    uint16_t* puiRet);
]]
local propsys = ffi.load("propsys")
-- propsys.PropVariantToUInt16(propvarIn, puiRet)
-- propvarIn : PROPVARIANT*
-- puiRet : WORD* 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 PropVariantToUInt16 = lib.func('__stdcall', 'PropVariantToUInt16', 'int32_t', ['void *', 'uint16_t *']);
// PropVariantToUInt16(propvarIn, puiRet)
// propvarIn : PROPVARIANT* -> 'void *'
// puiRet : WORD* out -> 'uint16_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("PROPSYS.dll", {
  PropVariantToUInt16: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.PropVariantToUInt16(propvarIn, puiRet)
// propvarIn : PROPVARIANT* -> "pointer"
// puiRet : WORD* 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 PropVariantToUInt16(
    void* propvarIn,
    uint16_t* puiRet);
C, "PROPSYS.dll");
// $ffi->PropVariantToUInt16(propvarIn, puiRet);
// propvarIn : PROPVARIANT*
// puiRet : WORD* 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 PropVariantToUInt16(
        Pointer propvarIn,   // PROPVARIANT*
        ShortByReference puiRet   // WORD* out
    );
}

@[Link("propsys")]
lib LibPROPSYS
  fun PropVariantToUInt16 = PropVariantToUInt16(
    propvarIn : PROPVARIANT*,   # PROPVARIANT*
    puiRet : UInt16*   # WORD* 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 PropVariantToUInt16Native = Int32 Function(Pointer<Void>, Pointer<Uint16>);
typedef PropVariantToUInt16Dart = int Function(Pointer<Void>, Pointer<Uint16>);
final PropVariantToUInt16 = DynamicLibrary.open('PROPSYS.dll')
    .lookupFunction<PropVariantToUInt16Native, PropVariantToUInt16Dart>('PropVariantToUInt16');
// propvarIn : PROPVARIANT* -> Pointer<Void>
// puiRet : WORD* out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PropVariantToUInt16(
  propvarIn: Pointer;   // PROPVARIANT*
  puiRet: Pointer   // WORD* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToUInt16';

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

foreign import stdcall safe "PropVariantToUInt16"
  c_PropVariantToUInt16 :: Ptr () -> Ptr Word16 -> IO Int32
-- propvarIn : PROPVARIANT* -> Ptr ()
-- puiRet : WORD* out -> Ptr Word16
-- 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 propvarianttouint16 =
  foreign "PropVariantToUInt16"
    ((ptr void) @-> (ptr uint16_t) @-> returning int32_t)
(* propvarIn : PROPVARIANT* -> (ptr void) *)
(* puiRet : WORD* out -> (ptr uint16_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 propsys (t "PROPSYS.dll"))
(cffi:use-foreign-library propsys)

(cffi:defcfun ("PropVariantToUInt16" prop-variant-to-uint16 :convention :stdcall) :int32
  (propvar-in :pointer)   ; PROPVARIANT*
  (pui-ret :pointer))   ; WORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PropVariantToUInt16 = Win32::API::More->new('PROPSYS',
    'int PropVariantToUInt16(LPVOID propvarIn, LPVOID puiRet)');
# my $ret = $PropVariantToUInt16->Call($propvarIn, $puiRet);
# propvarIn : PROPVARIANT* -> LPVOID
# puiRet : WORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。