PeerCollabGetSigninOptions

// P2P.dll
#include <windows.h>

HRESULT PeerCollabGetSigninOptions(
    DWORD* pdwSigninOptions
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerCollabGetSigninOptions(
    <Out> ByRef pdwSigninOptions As UInteger   ' DWORD* out
) As Integer
End Function

' pdwSigninOptions : DWORD* out
Declare PtrSafe Function PeerCollabGetSigninOptions Lib "p2p" ( _
    ByRef pdwSigninOptions As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PeerCollabGetSigninOptions = ctypes.windll.p2p.PeerCollabGetSigninOptions
PeerCollabGetSigninOptions.restype = ctypes.c_int
PeerCollabGetSigninOptions.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # pdwSigninOptions : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerCollabGetSigninOptions = Fiddle::Function.new(
  lib['PeerCollabGetSigninOptions'],
  [
    Fiddle::TYPE_VOIDP,  # pdwSigninOptions : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerCollabGetSigninOptions(
        pdwSigninOptions: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerCollabGetSigninOptions(out uint pdwSigninOptions);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerCollabGetSigninOptions' -Namespace Win32 -PassThru
# $api::PeerCollabGetSigninOptions(pdwSigninOptions)

#uselib "P2P.dll"
#func global PeerCollabGetSigninOptions "PeerCollabGetSigninOptions" sptr
; PeerCollabGetSigninOptions varptr(pdwSigninOptions)   ; 戻り値は stat
; pdwSigninOptions : DWORD* 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 (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerCollabGetSigninOptions = p2p.NewProc("PeerCollabGetSigninOptions")
)

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

function PeerCollabGetSigninOptions(
  pdwSigninOptions: Pointer   // DWORD* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerCollabGetSigninOptions';

result := DllCall("P2P\PeerCollabGetSigninOptions"
    , "Ptr", pdwSigninOptions   ; DWORD* out
    , "Int")   ; return: HRESULT

●PeerCollabGetSigninOptions(pdwSigninOptions) = DLL("P2P.dll", "int PeerCollabGetSigninOptions(void*)")
# 呼び出し: PeerCollabGetSigninOptions(pdwSigninOptions)
# pdwSigninOptions : DWORD* 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 "p2p" fn PeerCollabGetSigninOptions(
    pdwSigninOptions: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc PeerCollabGetSigninOptions(
    pdwSigninOptions: ptr uint32  # DWORD* out
): int32 {.importc: "PeerCollabGetSigninOptions", stdcall, dynlib: "P2P.dll".}

pragma(lib, "p2p");
extern(Windows)
int PeerCollabGetSigninOptions(
    uint* pdwSigninOptions   // DWORD* out
);

ccall((:PeerCollabGetSigninOptions, "P2P.dll"), stdcall, Int32,
      (Ptr{UInt32},),
      pdwSigninOptions)
# pdwSigninOptions : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PeerCollabGetSigninOptions(
    uint32_t* pdwSigninOptions);
]]
local p2p = ffi.load("p2p")
-- p2p.PeerCollabGetSigninOptions(pdwSigninOptions)
-- pdwSigninOptions : DWORD* 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('P2P.dll');
const PeerCollabGetSigninOptions = lib.func('__stdcall', 'PeerCollabGetSigninOptions', 'int32_t', ['uint32_t *']);
// PeerCollabGetSigninOptions(pdwSigninOptions)
// pdwSigninOptions : DWORD* out -> 'uint32_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("P2P.dll", {
  PeerCollabGetSigninOptions: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.PeerCollabGetSigninOptions(pdwSigninOptions)
// pdwSigninOptions : DWORD* 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 PeerCollabGetSigninOptions(
    uint32_t* pdwSigninOptions);
C, "P2P.dll");
// $ffi->PeerCollabGetSigninOptions(pdwSigninOptions);
// pdwSigninOptions : DWORD* 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 P2p extends StdCallLibrary {
    P2p INSTANCE = Native.load("p2p", P2p.class);
    int PeerCollabGetSigninOptions(
        IntByReference pdwSigninOptions   // DWORD* out
    );
}

@[Link("p2p")]
lib LibP2P
  fun PeerCollabGetSigninOptions = PeerCollabGetSigninOptions(
    pdwSigninOptions : UInt32*   # DWORD* 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 PeerCollabGetSigninOptionsNative = Int32 Function(Pointer<Uint32>);
typedef PeerCollabGetSigninOptionsDart = int Function(Pointer<Uint32>);
final PeerCollabGetSigninOptions = DynamicLibrary.open('P2P.dll')
    .lookupFunction<PeerCollabGetSigninOptionsNative, PeerCollabGetSigninOptionsDart>('PeerCollabGetSigninOptions');
// pdwSigninOptions : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerCollabGetSigninOptions(
  pdwSigninOptions: Pointer   // DWORD* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerCollabGetSigninOptions';

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

foreign import stdcall safe "PeerCollabGetSigninOptions"
  c_PeerCollabGetSigninOptions :: Ptr Word32 -> IO Int32
-- pdwSigninOptions : DWORD* out -> Ptr Word32
-- 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 peercollabgetsigninoptions =
  foreign "PeerCollabGetSigninOptions"
    ((ptr uint32_t) @-> returning int32_t)
(* pdwSigninOptions : DWORD* out -> (ptr uint32_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 p2p (t "P2P.dll"))
(cffi:use-foreign-library p2p)

(cffi:defcfun ("PeerCollabGetSigninOptions" peer-collab-get-signin-options :convention :stdcall) :int32
  (pdw-signin-options :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerCollabGetSigninOptions = Win32::API::More->new('P2P',
    'int PeerCollabGetSigninOptions(LPVOID pdwSigninOptions)');
# my $ret = $PeerCollabGetSigninOptions->Call($pdwSigninOptions);
# pdwSigninOptions : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。