SafeArrayGetVartype

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

HRESULT SafeArrayGetVartype(
    SAFEARRAY* psa,
    VARENUM* pvt
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function SafeArrayGetVartype(
    psa As IntPtr,   ' SAFEARRAY*
    <Out> ByRef pvt As UShort   ' VARENUM* out
) As Integer
End Function

' psa : SAFEARRAY*
' pvt : VARENUM* out
Declare PtrSafe Function SafeArrayGetVartype Lib "oleaut32" ( _
    ByVal psa As LongPtr, _
    ByRef pvt 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

SafeArrayGetVartype = ctypes.windll.oleaut32.SafeArrayGetVartype
SafeArrayGetVartype.restype = ctypes.c_int
SafeArrayGetVartype.argtypes = [
    ctypes.c_void_p,  # psa : SAFEARRAY*
    ctypes.c_void_p,  # pvt : VARENUM* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
SafeArrayGetVartype = Fiddle::Function.new(
  lib['SafeArrayGetVartype'],
  [
    Fiddle::TYPE_VOIDP,  # psa : SAFEARRAY*
    Fiddle::TYPE_VOIDP,  # pvt : VARENUM* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn SafeArrayGetVartype(
        psa: *mut SAFEARRAY,  // SAFEARRAY*
        pvt: *mut u16  // VARENUM* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int SafeArrayGetVartype(IntPtr psa, out ushort pvt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_SafeArrayGetVartype' -Namespace Win32 -PassThru
# $api::SafeArrayGetVartype(psa, pvt)

#uselib "OLEAUT32.dll"
#func global SafeArrayGetVartype "SafeArrayGetVartype" sptr, sptr
; SafeArrayGetVartype varptr(psa), varptr(pvt)   ; 戻り値は stat
; psa : SAFEARRAY* -> "sptr"
; pvt : VARENUM* 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 (
	oleaut32 = windows.NewLazySystemDLL("OLEAUT32.dll")
	procSafeArrayGetVartype = oleaut32.NewProc("SafeArrayGetVartype")
)

// psa (SAFEARRAY*), pvt (VARENUM* out)
r1, _, err := procSafeArrayGetVartype.Call(
	uintptr(psa),
	uintptr(pvt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SafeArrayGetVartype(
  psa: Pointer;   // SAFEARRAY*
  pvt: Pointer   // VARENUM* out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'SafeArrayGetVartype';

result := DllCall("OLEAUT32\SafeArrayGetVartype"
    , "Ptr", psa   ; SAFEARRAY*
    , "Ptr", pvt   ; VARENUM* out
    , "Int")   ; return: HRESULT

●SafeArrayGetVartype(psa, pvt) = DLL("OLEAUT32.dll", "int SafeArrayGetVartype(void*, void*)")
# 呼び出し: SafeArrayGetVartype(psa, pvt)
# psa : SAFEARRAY* -> "void*"
# pvt : VARENUM* 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 "oleaut32" fn SafeArrayGetVartype(
    psa: [*c]SAFEARRAY, // SAFEARRAY*
    pvt: [*c]u16 // VARENUM* out
) callconv(std.os.windows.WINAPI) i32;

proc SafeArrayGetVartype(
    psa: ptr SAFEARRAY,  # SAFEARRAY*
    pvt: ptr uint16  # VARENUM* out
): int32 {.importc: "SafeArrayGetVartype", stdcall, dynlib: "OLEAUT32.dll".}

pragma(lib, "oleaut32");
extern(Windows)
int SafeArrayGetVartype(
    SAFEARRAY* psa,   // SAFEARRAY*
    ushort* pvt   // VARENUM* out
);

ccall((:SafeArrayGetVartype, "OLEAUT32.dll"), stdcall, Int32,
      (Ptr{SAFEARRAY}, Ptr{UInt16}),
      psa, pvt)
# psa : SAFEARRAY* -> Ptr{SAFEARRAY}
# pvt : VARENUM* 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 SafeArrayGetVartype(
    void* psa,
    uint16_t* pvt);
]]
local oleaut32 = ffi.load("oleaut32")
-- oleaut32.SafeArrayGetVartype(psa, pvt)
-- psa : SAFEARRAY*
-- pvt : VARENUM* 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('OLEAUT32.dll');
const SafeArrayGetVartype = lib.func('__stdcall', 'SafeArrayGetVartype', 'int32_t', ['void *', 'uint16_t *']);
// SafeArrayGetVartype(psa, pvt)
// psa : SAFEARRAY* -> 'void *'
// pvt : VARENUM* 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("OLEAUT32.dll", {
  SafeArrayGetVartype: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.SafeArrayGetVartype(psa, pvt)
// psa : SAFEARRAY* -> "pointer"
// pvt : VARENUM* 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 SafeArrayGetVartype(
    void* psa,
    uint16_t* pvt);
C, "OLEAUT32.dll");
// $ffi->SafeArrayGetVartype(psa, pvt);
// psa : SAFEARRAY*
// pvt : VARENUM* 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 Oleaut32 extends StdCallLibrary {
    Oleaut32 INSTANCE = Native.load("oleaut32", Oleaut32.class);
    int SafeArrayGetVartype(
        Pointer psa,   // SAFEARRAY*
        ShortByReference pvt   // VARENUM* out
    );
}

@[Link("oleaut32")]
lib LibOLEAUT32
  fun SafeArrayGetVartype = SafeArrayGetVartype(
    psa : SAFEARRAY*,   # SAFEARRAY*
    pvt : UInt16*   # VARENUM* 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 SafeArrayGetVartypeNative = Int32 Function(Pointer<Void>, Pointer<Uint16>);
typedef SafeArrayGetVartypeDart = int Function(Pointer<Void>, Pointer<Uint16>);
final SafeArrayGetVartype = DynamicLibrary.open('OLEAUT32.dll')
    .lookupFunction<SafeArrayGetVartypeNative, SafeArrayGetVartypeDart>('SafeArrayGetVartype');
// psa : SAFEARRAY* -> Pointer<Void>
// pvt : VARENUM* out -> Pointer<Uint16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SafeArrayGetVartype(
  psa: Pointer;   // SAFEARRAY*
  pvt: Pointer   // VARENUM* out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'SafeArrayGetVartype';

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

foreign import stdcall safe "SafeArrayGetVartype"
  c_SafeArrayGetVartype :: Ptr () -> Ptr Word16 -> IO Int32
-- psa : SAFEARRAY* -> Ptr ()
-- pvt : VARENUM* 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 safearraygetvartype =
  foreign "SafeArrayGetVartype"
    ((ptr void) @-> (ptr uint16_t) @-> returning int32_t)
(* psa : SAFEARRAY* -> (ptr void) *)
(* pvt : VARENUM* 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 oleaut32 (t "OLEAUT32.dll"))
(cffi:use-foreign-library oleaut32)

(cffi:defcfun ("SafeArrayGetVartype" safe-array-get-vartype :convention :stdcall) :int32
  (psa :pointer)   ; SAFEARRAY*
  (pvt :pointer))   ; VARENUM* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SafeArrayGetVartype = Win32::API::More->new('OLEAUT32',
    'int SafeArrayGetVartype(LPVOID psa, LPVOID pvt)');
# my $ret = $SafeArrayGetVartype->Call($psa, $pvt);
# psa : SAFEARRAY* -> LPVOID
# pvt : VARENUM* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。