WNetUseConnection4W

// MPR.dll  (Unicode / -W)
#include <windows.h>

WIN32_ERROR WNetUseConnection4W(
    HWND hwndOwner,   // optional
    NETRESOURCEW* lpNetResource,
    void* pAuthBuffer,   // optional
    DWORD cbAuthBuffer,
    DWORD dwFlags,
    BYTE* lpUseOptions,   // optional
    DWORD cbUseOptions,
    LPWSTR lpAccessName,   // optional
    DWORD* lpBufferSize,   // optional
    DWORD* lpResult   // optional
);

<DllImport("MPR.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function WNetUseConnection4W(
    hwndOwner As IntPtr,   ' HWND optional
    lpNetResource As IntPtr,   ' NETRESOURCEW*
    pAuthBuffer As IntPtr,   ' void* optional
    cbAuthBuffer As UInteger,   ' DWORD
    dwFlags As UInteger,   ' DWORD
    lpUseOptions As IntPtr,   ' BYTE* optional
    cbUseOptions As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> lpAccessName As System.Text.StringBuilder,   ' LPWSTR optional, out
    lpBufferSize As IntPtr,   ' DWORD* optional, in/out
    lpResult As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' hwndOwner : HWND optional
' lpNetResource : NETRESOURCEW*
' pAuthBuffer : void* optional
' cbAuthBuffer : DWORD
' dwFlags : DWORD
' lpUseOptions : BYTE* optional
' cbUseOptions : DWORD
' lpAccessName : LPWSTR optional, out
' lpBufferSize : DWORD* optional, in/out
' lpResult : DWORD* optional, out
Declare PtrSafe Function WNetUseConnection4W Lib "mpr" ( _
    ByVal hwndOwner As LongPtr, _
    ByVal lpNetResource As LongPtr, _
    ByVal pAuthBuffer As LongPtr, _
    ByVal cbAuthBuffer As Long, _
    ByVal dwFlags As Long, _
    ByVal lpUseOptions As LongPtr, _
    ByVal cbUseOptions As Long, _
    ByVal lpAccessName As LongPtr, _
    ByVal lpBufferSize As LongPtr, _
    ByVal lpResult As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WNetUseConnection4W = ctypes.windll.mpr.WNetUseConnection4W
WNetUseConnection4W.restype = wintypes.DWORD
WNetUseConnection4W.argtypes = [
    wintypes.HANDLE,  # hwndOwner : HWND optional
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEW*
    ctypes.POINTER(None),  # pAuthBuffer : void* optional
    wintypes.DWORD,  # cbAuthBuffer : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # lpUseOptions : BYTE* optional
    wintypes.DWORD,  # cbUseOptions : DWORD
    wintypes.LPWSTR,  # lpAccessName : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpResult : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetUseConnection4W = Fiddle::Function.new(
  lib['WNetUseConnection4W'],
  [
    Fiddle::TYPE_VOIDP,  # hwndOwner : HWND optional
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEW*
    Fiddle::TYPE_VOIDP,  # pAuthBuffer : void* optional
    -Fiddle::TYPE_INT,  # cbAuthBuffer : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpUseOptions : BYTE* optional
    -Fiddle::TYPE_INT,  # cbUseOptions : DWORD
    Fiddle::TYPE_VOIDP,  # lpAccessName : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpResult : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "mpr")]
extern "system" {
    fn WNetUseConnection4W(
        hwndOwner: *mut core::ffi::c_void,  // HWND optional
        lpNetResource: *mut NETRESOURCEW,  // NETRESOURCEW*
        pAuthBuffer: *mut (),  // void* optional
        cbAuthBuffer: u32,  // DWORD
        dwFlags: u32,  // DWORD
        lpUseOptions: *mut u8,  // BYTE* optional
        cbUseOptions: u32,  // DWORD
        lpAccessName: *mut u16,  // LPWSTR optional, out
        lpBufferSize: *mut u32,  // DWORD* optional, in/out
        lpResult: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Unicode)]
public static extern uint WNetUseConnection4W(IntPtr hwndOwner, IntPtr lpNetResource, IntPtr pAuthBuffer, uint cbAuthBuffer, uint dwFlags, IntPtr lpUseOptions, uint cbUseOptions, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpAccessName, IntPtr lpBufferSize, IntPtr lpResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetUseConnection4W' -Namespace Win32 -PassThru
# $api::WNetUseConnection4W(hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult)

#uselib "MPR.dll"
#func global WNetUseConnection4W "WNetUseConnection4W" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; WNetUseConnection4W hwndOwner, varptr(lpNetResource), pAuthBuffer, cbAuthBuffer, dwFlags, varptr(lpUseOptions), cbUseOptions, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult)   ; 戻り値は stat
; hwndOwner : HWND optional -> "wptr"
; lpNetResource : NETRESOURCEW* -> "wptr"
; pAuthBuffer : void* optional -> "wptr"
; cbAuthBuffer : DWORD -> "wptr"
; dwFlags : DWORD -> "wptr"
; lpUseOptions : BYTE* optional -> "wptr"
; cbUseOptions : DWORD -> "wptr"
; lpAccessName : LPWSTR optional, out -> "wptr"
; lpBufferSize : DWORD* optional, in/out -> "wptr"
; lpResult : DWORD* optional, out -> "wptr"
; ※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 (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetUseConnection4W = mpr.NewProc("WNetUseConnection4W")
)

// hwndOwner (HWND optional), lpNetResource (NETRESOURCEW*), pAuthBuffer (void* optional), cbAuthBuffer (DWORD), dwFlags (DWORD), lpUseOptions (BYTE* optional), cbUseOptions (DWORD), lpAccessName (LPWSTR optional, out), lpBufferSize (DWORD* optional, in/out), lpResult (DWORD* optional, out)
r1, _, err := procWNetUseConnection4W.Call(
	uintptr(hwndOwner),
	uintptr(lpNetResource),
	uintptr(pAuthBuffer),
	uintptr(cbAuthBuffer),
	uintptr(dwFlags),
	uintptr(lpUseOptions),
	uintptr(cbUseOptions),
	uintptr(lpAccessName),
	uintptr(lpBufferSize),
	uintptr(lpResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetUseConnection4W(
  hwndOwner: THandle;   // HWND optional
  lpNetResource: Pointer;   // NETRESOURCEW*
  pAuthBuffer: Pointer;   // void* optional
  cbAuthBuffer: DWORD;   // DWORD
  dwFlags: DWORD;   // DWORD
  lpUseOptions: Pointer;   // BYTE* optional
  cbUseOptions: DWORD;   // DWORD
  lpAccessName: PWideChar;   // LPWSTR optional, out
  lpBufferSize: Pointer;   // DWORD* optional, in/out
  lpResult: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetUseConnection4W';

result := DllCall("MPR\WNetUseConnection4W"
    , "Ptr", hwndOwner   ; HWND optional
    , "Ptr", lpNetResource   ; NETRESOURCEW*
    , "Ptr", pAuthBuffer   ; void* optional
    , "UInt", cbAuthBuffer   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Ptr", lpUseOptions   ; BYTE* optional
    , "UInt", cbUseOptions   ; DWORD
    , "Ptr", lpAccessName   ; LPWSTR optional, out
    , "Ptr", lpBufferSize   ; DWORD* optional, in/out
    , "Ptr", lpResult   ; DWORD* optional, out
    , "UInt")   ; return: WIN32_ERROR

●WNetUseConnection4W(hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult) = DLL("MPR.dll", "dword WNetUseConnection4W(void*, void*, void*, dword, dword, void*, dword, char*, void*, void*)")
# 呼び出し: WNetUseConnection4W(hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult)
# hwndOwner : HWND optional -> "void*"
# lpNetResource : NETRESOURCEW* -> "void*"
# pAuthBuffer : void* optional -> "void*"
# cbAuthBuffer : DWORD -> "dword"
# dwFlags : DWORD -> "dword"
# lpUseOptions : BYTE* optional -> "void*"
# cbUseOptions : DWORD -> "dword"
# lpAccessName : LPWSTR optional, out -> "char*"
# lpBufferSize : DWORD* optional, in/out -> "void*"
# lpResult : DWORD* optional, 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "mpr" fn WNetUseConnection4W(
    hwndOwner: ?*anyopaque, // HWND optional
    lpNetResource: [*c]NETRESOURCEW, // NETRESOURCEW*
    pAuthBuffer: ?*anyopaque, // void* optional
    cbAuthBuffer: u32, // DWORD
    dwFlags: u32, // DWORD
    lpUseOptions: [*c]u8, // BYTE* optional
    cbUseOptions: u32, // DWORD
    lpAccessName: [*c]u16, // LPWSTR optional, out
    lpBufferSize: [*c]u32, // DWORD* optional, in/out
    lpResult: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc WNetUseConnection4W(
    hwndOwner: pointer,  # HWND optional
    lpNetResource: ptr NETRESOURCEW,  # NETRESOURCEW*
    pAuthBuffer: pointer,  # void* optional
    cbAuthBuffer: uint32,  # DWORD
    dwFlags: uint32,  # DWORD
    lpUseOptions: ptr uint8,  # BYTE* optional
    cbUseOptions: uint32,  # DWORD
    lpAccessName: ptr uint16,  # LPWSTR optional, out
    lpBufferSize: ptr uint32,  # DWORD* optional, in/out
    lpResult: ptr uint32  # DWORD* optional, out
): uint32 {.importc: "WNetUseConnection4W", stdcall, dynlib: "MPR.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "mpr");
extern(Windows)
uint WNetUseConnection4W(
    void* hwndOwner,   // HWND optional
    NETRESOURCEW* lpNetResource,   // NETRESOURCEW*
    void* pAuthBuffer,   // void* optional
    uint cbAuthBuffer,   // DWORD
    uint dwFlags,   // DWORD
    ubyte* lpUseOptions,   // BYTE* optional
    uint cbUseOptions,   // DWORD
    wchar* lpAccessName,   // LPWSTR optional, out
    uint* lpBufferSize,   // DWORD* optional, in/out
    uint* lpResult   // DWORD* optional, out
);

ccall((:WNetUseConnection4W, "MPR.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{NETRESOURCEW}, Ptr{Cvoid}, UInt32, UInt32, Ptr{UInt8}, UInt32, Ptr{UInt16}, Ptr{UInt32}, Ptr{UInt32}),
      hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult)
# hwndOwner : HWND optional -> Ptr{Cvoid}
# lpNetResource : NETRESOURCEW* -> Ptr{NETRESOURCEW}
# pAuthBuffer : void* optional -> Ptr{Cvoid}
# cbAuthBuffer : DWORD -> UInt32
# dwFlags : DWORD -> UInt32
# lpUseOptions : BYTE* optional -> Ptr{UInt8}
# cbUseOptions : DWORD -> UInt32
# lpAccessName : LPWSTR optional, out -> Ptr{UInt16}
# lpBufferSize : DWORD* optional, in/out -> Ptr{UInt32}
# lpResult : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WNetUseConnection4W(
    void* hwndOwner,
    void* lpNetResource,
    void* pAuthBuffer,
    uint32_t cbAuthBuffer,
    uint32_t dwFlags,
    uint8_t* lpUseOptions,
    uint32_t cbUseOptions,
    uint16_t* lpAccessName,
    uint32_t* lpBufferSize,
    uint32_t* lpResult);
]]
local mpr = ffi.load("mpr")
-- mpr.WNetUseConnection4W(hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult)
-- hwndOwner : HWND optional
-- lpNetResource : NETRESOURCEW*
-- pAuthBuffer : void* optional
-- cbAuthBuffer : DWORD
-- dwFlags : DWORD
-- lpUseOptions : BYTE* optional
-- cbUseOptions : DWORD
-- lpAccessName : LPWSTR optional, out
-- lpBufferSize : DWORD* optional, in/out
-- lpResult : DWORD* optional, 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('MPR.dll');
const WNetUseConnection4W = lib.func('__stdcall', 'WNetUseConnection4W', 'uint32_t', ['void *', 'void *', 'void *', 'uint32_t', 'uint32_t', 'uint8_t *', 'uint32_t', 'uint16_t *', 'uint32_t *', 'uint32_t *']);
// WNetUseConnection4W(hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult)
// hwndOwner : HWND optional -> 'void *'
// lpNetResource : NETRESOURCEW* -> 'void *'
// pAuthBuffer : void* optional -> 'void *'
// cbAuthBuffer : DWORD -> 'uint32_t'
// dwFlags : DWORD -> 'uint32_t'
// lpUseOptions : BYTE* optional -> 'uint8_t *'
// cbUseOptions : DWORD -> 'uint32_t'
// lpAccessName : LPWSTR optional, out -> 'uint16_t *'
// lpBufferSize : DWORD* optional, in/out -> 'uint32_t *'
// lpResult : DWORD* optional, 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("MPR.dll", {
  WNetUseConnection4W: { parameters: ["pointer", "pointer", "pointer", "u32", "u32", "pointer", "u32", "buffer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WNetUseConnection4W(hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult)
// hwndOwner : HWND optional -> "pointer"
// lpNetResource : NETRESOURCEW* -> "pointer"
// pAuthBuffer : void* optional -> "pointer"
// cbAuthBuffer : DWORD -> "u32"
// dwFlags : DWORD -> "u32"
// lpUseOptions : BYTE* optional -> "pointer"
// cbUseOptions : DWORD -> "u32"
// lpAccessName : LPWSTR optional, out -> "buffer"
// lpBufferSize : DWORD* optional, in/out -> "pointer"
// lpResult : DWORD* optional, out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t WNetUseConnection4W(
    void* hwndOwner,
    void* lpNetResource,
    void* pAuthBuffer,
    uint32_t cbAuthBuffer,
    uint32_t dwFlags,
    uint8_t* lpUseOptions,
    uint32_t cbUseOptions,
    uint16_t* lpAccessName,
    uint32_t* lpBufferSize,
    uint32_t* lpResult);
C, "MPR.dll");
// $ffi->WNetUseConnection4W(hwndOwner, lpNetResource, pAuthBuffer, cbAuthBuffer, dwFlags, lpUseOptions, cbUseOptions, lpAccessName, lpBufferSize, lpResult);
// hwndOwner : HWND optional
// lpNetResource : NETRESOURCEW*
// pAuthBuffer : void* optional
// cbAuthBuffer : DWORD
// dwFlags : DWORD
// lpUseOptions : BYTE* optional
// cbUseOptions : DWORD
// lpAccessName : LPWSTR optional, out
// lpBufferSize : DWORD* optional, in/out
// lpResult : DWORD* optional, 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 Mpr extends StdCallLibrary {
    Mpr INSTANCE = Native.load("mpr", Mpr.class, W32APIOptions.UNICODE_OPTIONS);
    int WNetUseConnection4W(
        Pointer hwndOwner,   // HWND optional
        Pointer lpNetResource,   // NETRESOURCEW*
        Pointer pAuthBuffer,   // void* optional
        int cbAuthBuffer,   // DWORD
        int dwFlags,   // DWORD
        byte[] lpUseOptions,   // BYTE* optional
        int cbUseOptions,   // DWORD
        char[] lpAccessName,   // LPWSTR optional, out
        IntByReference lpBufferSize,   // DWORD* optional, in/out
        IntByReference lpResult   // DWORD* optional, out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("mpr")]
lib LibMPR
  fun WNetUseConnection4W = WNetUseConnection4W(
    hwndOwner : Void*,   # HWND optional
    lpNetResource : NETRESOURCEW*,   # NETRESOURCEW*
    pAuthBuffer : Void*,   # void* optional
    cbAuthBuffer : UInt32,   # DWORD
    dwFlags : UInt32,   # DWORD
    lpUseOptions : UInt8*,   # BYTE* optional
    cbUseOptions : UInt32,   # DWORD
    lpAccessName : UInt16*,   # LPWSTR optional, out
    lpBufferSize : UInt32*,   # DWORD* optional, in/out
    lpResult : UInt32*   # DWORD* optional, out
  ) : UInt32
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 WNetUseConnection4WNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Uint32, Uint32, Pointer<Uint8>, Uint32, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>);
typedef WNetUseConnection4WDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int, int, Pointer<Uint8>, int, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>);
final WNetUseConnection4W = DynamicLibrary.open('MPR.dll')
    .lookupFunction<WNetUseConnection4WNative, WNetUseConnection4WDart>('WNetUseConnection4W');
// hwndOwner : HWND optional -> Pointer<Void>
// lpNetResource : NETRESOURCEW* -> Pointer<Void>
// pAuthBuffer : void* optional -> Pointer<Void>
// cbAuthBuffer : DWORD -> Uint32
// dwFlags : DWORD -> Uint32
// lpUseOptions : BYTE* optional -> Pointer<Uint8>
// cbUseOptions : DWORD -> Uint32
// lpAccessName : LPWSTR optional, out -> Pointer<Utf16>
// lpBufferSize : DWORD* optional, in/out -> Pointer<Uint32>
// lpResult : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WNetUseConnection4W(
  hwndOwner: THandle;   // HWND optional
  lpNetResource: Pointer;   // NETRESOURCEW*
  pAuthBuffer: Pointer;   // void* optional
  cbAuthBuffer: DWORD;   // DWORD
  dwFlags: DWORD;   // DWORD
  lpUseOptions: Pointer;   // BYTE* optional
  cbUseOptions: DWORD;   // DWORD
  lpAccessName: PWideChar;   // LPWSTR optional, out
  lpBufferSize: Pointer;   // DWORD* optional, in/out
  lpResult: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetUseConnection4W';

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

foreign import stdcall safe "WNetUseConnection4W"
  c_WNetUseConnection4W :: Ptr () -> Ptr () -> Ptr () -> Word32 -> Word32 -> Ptr Word8 -> Word32 -> CWString -> Ptr Word32 -> Ptr Word32 -> IO Word32
-- hwndOwner : HWND optional -> Ptr ()
-- lpNetResource : NETRESOURCEW* -> Ptr ()
-- pAuthBuffer : void* optional -> Ptr ()
-- cbAuthBuffer : DWORD -> Word32
-- dwFlags : DWORD -> Word32
-- lpUseOptions : BYTE* optional -> Ptr Word8
-- cbUseOptions : DWORD -> Word32
-- lpAccessName : LPWSTR optional, out -> CWString
-- lpBufferSize : DWORD* optional, in/out -> Ptr Word32
-- lpResult : DWORD* optional, 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 wnetuseconnection4w =
  foreign "WNetUseConnection4W"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> uint32_t @-> (ptr uint8_t) @-> uint32_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* hwndOwner : HWND optional -> (ptr void) *)
(* lpNetResource : NETRESOURCEW* -> (ptr void) *)
(* pAuthBuffer : void* optional -> (ptr void) *)
(* cbAuthBuffer : DWORD -> uint32_t *)
(* dwFlags : DWORD -> uint32_t *)
(* lpUseOptions : BYTE* optional -> (ptr uint8_t) *)
(* cbUseOptions : DWORD -> uint32_t *)
(* lpAccessName : LPWSTR optional, out -> (ptr uint16_t) *)
(* lpBufferSize : DWORD* optional, in/out -> (ptr uint32_t) *)
(* lpResult : DWORD* optional, 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 mpr (t "MPR.dll"))
(cffi:use-foreign-library mpr)

(cffi:defcfun ("WNetUseConnection4W" wnet-use-connection4-w :convention :stdcall) :uint32
  (hwnd-owner :pointer)   ; HWND optional
  (lp-net-resource :pointer)   ; NETRESOURCEW*
  (p-auth-buffer :pointer)   ; void* optional
  (cb-auth-buffer :uint32)   ; DWORD
  (dw-flags :uint32)   ; DWORD
  (lp-use-options :pointer)   ; BYTE* optional
  (cb-use-options :uint32)   ; DWORD
  (lp-access-name :pointer)   ; LPWSTR optional, out
  (lp-buffer-size :pointer)   ; DWORD* optional, in/out
  (lp-result :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WNetUseConnection4W = Win32::API::More->new('MPR',
    'DWORD WNetUseConnection4W(HANDLE hwndOwner, LPVOID lpNetResource, LPVOID pAuthBuffer, DWORD cbAuthBuffer, DWORD dwFlags, LPVOID lpUseOptions, DWORD cbUseOptions, LPWSTR lpAccessName, LPVOID lpBufferSize, LPVOID lpResult)');
# my $ret = $WNetUseConnection4W->Call($hwndOwner, $lpNetResource, $pAuthBuffer, $cbAuthBuffer, $dwFlags, $lpUseOptions, $cbUseOptions, $lpAccessName, $lpBufferSize, $lpResult);
# hwndOwner : HWND optional -> HANDLE
# lpNetResource : NETRESOURCEW* -> LPVOID
# pAuthBuffer : void* optional -> LPVOID
# cbAuthBuffer : DWORD -> DWORD
# dwFlags : DWORD -> DWORD
# lpUseOptions : BYTE* optional -> LPVOID
# cbUseOptions : DWORD -> DWORD
# lpAccessName : LPWSTR optional, out -> LPWSTR
# lpBufferSize : DWORD* optional, in/out -> LPVOID
# lpResult : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。