SafeArrayAllocDescriptor

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

HRESULT SafeArrayAllocDescriptor(
    DWORD cDims,
    SAFEARRAY** ppsaOut
);

<DllImport("OLEAUT32.dll", ExactSpelling:=True)>
Public Shared Function SafeArrayAllocDescriptor(
    cDims As UInteger,   ' DWORD
    ppsaOut As IntPtr   ' SAFEARRAY** out
) As Integer
End Function

' cDims : DWORD
' ppsaOut : SAFEARRAY** out
Declare PtrSafe Function SafeArrayAllocDescriptor Lib "oleaut32" ( _
    ByVal cDims As Long, _
    ByVal ppsaOut 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

SafeArrayAllocDescriptor = ctypes.windll.oleaut32.SafeArrayAllocDescriptor
SafeArrayAllocDescriptor.restype = ctypes.c_int
SafeArrayAllocDescriptor.argtypes = [
    wintypes.DWORD,  # cDims : DWORD
    ctypes.c_void_p,  # ppsaOut : SAFEARRAY** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEAUT32.dll')
SafeArrayAllocDescriptor = Fiddle::Function.new(
  lib['SafeArrayAllocDescriptor'],
  [
    -Fiddle::TYPE_INT,  # cDims : DWORD
    Fiddle::TYPE_VOIDP,  # ppsaOut : SAFEARRAY** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "oleaut32")]
extern "system" {
    fn SafeArrayAllocDescriptor(
        cDims: u32,  // DWORD
        ppsaOut: *mut *mut SAFEARRAY  // SAFEARRAY** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEAUT32.dll")]
public static extern int SafeArrayAllocDescriptor(uint cDims, IntPtr ppsaOut);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEAUT32_SafeArrayAllocDescriptor' -Namespace Win32 -PassThru
# $api::SafeArrayAllocDescriptor(cDims, ppsaOut)

#uselib "OLEAUT32.dll"
#func global SafeArrayAllocDescriptor "SafeArrayAllocDescriptor" sptr, sptr
; SafeArrayAllocDescriptor cDims, varptr(ppsaOut)   ; 戻り値は stat
; cDims : DWORD -> "sptr"
; ppsaOut : SAFEARRAY** 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")
	procSafeArrayAllocDescriptor = oleaut32.NewProc("SafeArrayAllocDescriptor")
)

// cDims (DWORD), ppsaOut (SAFEARRAY** out)
r1, _, err := procSafeArrayAllocDescriptor.Call(
	uintptr(cDims),
	uintptr(ppsaOut),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SafeArrayAllocDescriptor(
  cDims: DWORD;   // DWORD
  ppsaOut: Pointer   // SAFEARRAY** out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'SafeArrayAllocDescriptor';

result := DllCall("OLEAUT32\SafeArrayAllocDescriptor"
    , "UInt", cDims   ; DWORD
    , "Ptr", ppsaOut   ; SAFEARRAY** out
    , "Int")   ; return: HRESULT

●SafeArrayAllocDescriptor(cDims, ppsaOut) = DLL("OLEAUT32.dll", "int SafeArrayAllocDescriptor(dword, void*)")
# 呼び出し: SafeArrayAllocDescriptor(cDims, ppsaOut)
# cDims : DWORD -> "dword"
# ppsaOut : SAFEARRAY** 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 SafeArrayAllocDescriptor(
    cDims: u32, // DWORD
    ppsaOut: [*c][*c]SAFEARRAY // SAFEARRAY** out
) callconv(std.os.windows.WINAPI) i32;

proc SafeArrayAllocDescriptor(
    cDims: uint32,  # DWORD
    ppsaOut: ptr SAFEARRAY  # SAFEARRAY** out
): int32 {.importc: "SafeArrayAllocDescriptor", stdcall, dynlib: "OLEAUT32.dll".}

pragma(lib, "oleaut32");
extern(Windows)
int SafeArrayAllocDescriptor(
    uint cDims,   // DWORD
    SAFEARRAY** ppsaOut   // SAFEARRAY** out
);

ccall((:SafeArrayAllocDescriptor, "OLEAUT32.dll"), stdcall, Int32,
      (UInt32, Ptr{SAFEARRAY}),
      cDims, ppsaOut)
# cDims : DWORD -> UInt32
# ppsaOut : SAFEARRAY** out -> Ptr{SAFEARRAY}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SafeArrayAllocDescriptor(
    uint32_t cDims,
    void* ppsaOut);
]]
local oleaut32 = ffi.load("oleaut32")
-- oleaut32.SafeArrayAllocDescriptor(cDims, ppsaOut)
-- cDims : DWORD
-- ppsaOut : SAFEARRAY** 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 SafeArrayAllocDescriptor = lib.func('__stdcall', 'SafeArrayAllocDescriptor', 'int32_t', ['uint32_t', 'void *']);
// SafeArrayAllocDescriptor(cDims, ppsaOut)
// cDims : DWORD -> 'uint32_t'
// ppsaOut : SAFEARRAY** 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("OLEAUT32.dll", {
  SafeArrayAllocDescriptor: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.SafeArrayAllocDescriptor(cDims, ppsaOut)
// cDims : DWORD -> "u32"
// ppsaOut : SAFEARRAY** 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 SafeArrayAllocDescriptor(
    uint32_t cDims,
    void* ppsaOut);
C, "OLEAUT32.dll");
// $ffi->SafeArrayAllocDescriptor(cDims, ppsaOut);
// cDims : DWORD
// ppsaOut : SAFEARRAY** 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 SafeArrayAllocDescriptor(
        int cDims,   // DWORD
        Pointer ppsaOut   // SAFEARRAY** out
    );
}

@[Link("oleaut32")]
lib LibOLEAUT32
  fun SafeArrayAllocDescriptor = SafeArrayAllocDescriptor(
    cDims : UInt32,   # DWORD
    ppsaOut : SAFEARRAY**   # SAFEARRAY** 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 SafeArrayAllocDescriptorNative = Int32 Function(Uint32, Pointer<Void>);
typedef SafeArrayAllocDescriptorDart = int Function(int, Pointer<Void>);
final SafeArrayAllocDescriptor = DynamicLibrary.open('OLEAUT32.dll')
    .lookupFunction<SafeArrayAllocDescriptorNative, SafeArrayAllocDescriptorDart>('SafeArrayAllocDescriptor');
// cDims : DWORD -> Uint32
// ppsaOut : SAFEARRAY** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SafeArrayAllocDescriptor(
  cDims: DWORD;   // DWORD
  ppsaOut: Pointer   // SAFEARRAY** out
): Integer; stdcall;
  external 'OLEAUT32.dll' name 'SafeArrayAllocDescriptor';

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

foreign import stdcall safe "SafeArrayAllocDescriptor"
  c_SafeArrayAllocDescriptor :: Word32 -> Ptr () -> IO Int32
-- cDims : DWORD -> Word32
-- ppsaOut : SAFEARRAY** 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 safearrayallocdescriptor =
  foreign "SafeArrayAllocDescriptor"
    (uint32_t @-> (ptr void) @-> returning int32_t)
(* cDims : DWORD -> uint32_t *)
(* ppsaOut : SAFEARRAY** 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 oleaut32 (t "OLEAUT32.dll"))
(cffi:use-foreign-library oleaut32)

(cffi:defcfun ("SafeArrayAllocDescriptor" safe-array-alloc-descriptor :convention :stdcall) :int32
  (c-dims :uint32)   ; DWORD
  (ppsa-out :pointer))   ; SAFEARRAY** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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