PropVariantToInt64

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

HRESULT PropVariantToInt64(
    const PROPVARIANT* propvarIn,
    LONGLONG* pllRet
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantToInt64(
    propvarIn As IntPtr,   ' PROPVARIANT*
    <Out> ByRef pllRet As Long   ' LONGLONG* out
) As Integer
End Function

' propvarIn : PROPVARIANT*
' pllRet : LONGLONG* out
Declare PtrSafe Function PropVariantToInt64 Lib "propsys" ( _
    ByVal propvarIn As LongPtr, _
    ByRef pllRet As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PropVariantToInt64 = ctypes.windll.propsys.PropVariantToInt64
PropVariantToInt64.restype = ctypes.c_int
PropVariantToInt64.argtypes = [
    ctypes.c_void_p,  # propvarIn : PROPVARIANT*
    ctypes.POINTER(ctypes.c_longlong),  # pllRet : LONGLONG* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PropVariantToInt64 = Fiddle::Function.new(
  lib['PropVariantToInt64'],
  [
    Fiddle::TYPE_VOIDP,  # propvarIn : PROPVARIANT*
    Fiddle::TYPE_VOIDP,  # pllRet : LONGLONG* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PropVariantToInt64(
        propvarIn: *const PROPVARIANT,  // PROPVARIANT*
        pllRet: *mut i64  // LONGLONG* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PropVariantToInt64(IntPtr propvarIn, out long pllRet);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PropVariantToInt64' -Namespace Win32 -PassThru
# $api::PropVariantToInt64(propvarIn, pllRet)

#uselib "PROPSYS.dll"
#func global PropVariantToInt64 "PropVariantToInt64" sptr, sptr
; PropVariantToInt64 varptr(propvarIn), varptr(pllRet)   ; 戻り値は stat
; propvarIn : PROPVARIANT* -> "sptr"
; pllRet : LONGLONG* 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")
	procPropVariantToInt64 = propsys.NewProc("PropVariantToInt64")
)

// propvarIn (PROPVARIANT*), pllRet (LONGLONG* out)
r1, _, err := procPropVariantToInt64.Call(
	uintptr(propvarIn),
	uintptr(pllRet),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PropVariantToInt64(
  propvarIn: Pointer;   // PROPVARIANT*
  pllRet: Pointer   // LONGLONG* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToInt64';

result := DllCall("PROPSYS\PropVariantToInt64"
    , "Ptr", propvarIn   ; PROPVARIANT*
    , "Ptr", pllRet   ; LONGLONG* out
    , "Int")   ; return: HRESULT

●PropVariantToInt64(propvarIn, pllRet) = DLL("PROPSYS.dll", "int PropVariantToInt64(void*, void*)")
# 呼び出し: PropVariantToInt64(propvarIn, pllRet)
# propvarIn : PROPVARIANT* -> "void*"
# pllRet : LONGLONG* 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 PropVariantToInt64(
    propvarIn: [*c]PROPVARIANT, // PROPVARIANT*
    pllRet: [*c]i64 // LONGLONG* out
) callconv(std.os.windows.WINAPI) i32;

proc PropVariantToInt64(
    propvarIn: ptr PROPVARIANT,  # PROPVARIANT*
    pllRet: ptr int64  # LONGLONG* out
): int32 {.importc: "PropVariantToInt64", stdcall, dynlib: "PROPSYS.dll".}

pragma(lib, "propsys");
extern(Windows)
int PropVariantToInt64(
    PROPVARIANT* propvarIn,   // PROPVARIANT*
    long* pllRet   // LONGLONG* out
);

ccall((:PropVariantToInt64, "PROPSYS.dll"), stdcall, Int32,
      (Ptr{PROPVARIANT}, Ptr{Int64}),
      propvarIn, pllRet)
# propvarIn : PROPVARIANT* -> Ptr{PROPVARIANT}
# pllRet : LONGLONG* out -> Ptr{Int64}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PropVariantToInt64(
    void* propvarIn,
    int64_t* pllRet);
]]
local propsys = ffi.load("propsys")
-- propsys.PropVariantToInt64(propvarIn, pllRet)
-- propvarIn : PROPVARIANT*
-- pllRet : LONGLONG* 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 PropVariantToInt64 = lib.func('__stdcall', 'PropVariantToInt64', 'int32_t', ['void *', 'int64_t *']);
// PropVariantToInt64(propvarIn, pllRet)
// propvarIn : PROPVARIANT* -> 'void *'
// pllRet : LONGLONG* out -> 'int64_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", {
  PropVariantToInt64: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.PropVariantToInt64(propvarIn, pllRet)
// propvarIn : PROPVARIANT* -> "pointer"
// pllRet : LONGLONG* 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 PropVariantToInt64(
    void* propvarIn,
    int64_t* pllRet);
C, "PROPSYS.dll");
// $ffi->PropVariantToInt64(propvarIn, pllRet);
// propvarIn : PROPVARIANT*
// pllRet : LONGLONG* 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 PropVariantToInt64(
        Pointer propvarIn,   // PROPVARIANT*
        LongByReference pllRet   // LONGLONG* out
    );
}

@[Link("propsys")]
lib LibPROPSYS
  fun PropVariantToInt64 = PropVariantToInt64(
    propvarIn : PROPVARIANT*,   # PROPVARIANT*
    pllRet : Int64*   # LONGLONG* 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 PropVariantToInt64Native = Int32 Function(Pointer<Void>, Pointer<Int64>);
typedef PropVariantToInt64Dart = int Function(Pointer<Void>, Pointer<Int64>);
final PropVariantToInt64 = DynamicLibrary.open('PROPSYS.dll')
    .lookupFunction<PropVariantToInt64Native, PropVariantToInt64Dart>('PropVariantToInt64');
// propvarIn : PROPVARIANT* -> Pointer<Void>
// pllRet : LONGLONG* out -> Pointer<Int64>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PropVariantToInt64(
  propvarIn: Pointer;   // PROPVARIANT*
  pllRet: Pointer   // LONGLONG* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToInt64';

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

foreign import stdcall safe "PropVariantToInt64"
  c_PropVariantToInt64 :: Ptr () -> Ptr Int64 -> IO Int32
-- propvarIn : PROPVARIANT* -> Ptr ()
-- pllRet : LONGLONG* out -> Ptr Int64
-- 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 propvarianttoint64 =
  foreign "PropVariantToInt64"
    ((ptr void) @-> (ptr int64_t) @-> returning int32_t)
(* propvarIn : PROPVARIANT* -> (ptr void) *)
(* pllRet : LONGLONG* out -> (ptr int64_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 ("PropVariantToInt64" prop-variant-to-int64 :convention :stdcall) :int32
  (propvar-in :pointer)   ; PROPVARIANT*
  (pll-ret :pointer))   ; LONGLONG* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PropVariantToInt64 = Win32::API::More->new('PROPSYS',
    'int PropVariantToInt64(LPVOID propvarIn, LPVOID pllRet)');
# my $ret = $PropVariantToInt64->Call($propvarIn, $pllRet);
# propvarIn : PROPVARIANT* -> LPVOID
# pllRet : LONGLONG* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。