RasGetEapUserDataW

// RASAPI32.dll  (Unicode / -W)
#include <windows.h>

DWORD RasGetEapUserDataW(
    HANDLE hToken,   // optional
    LPCWSTR pszPhonebook,   // optional
    LPCWSTR pszEntry,
    BYTE* pbEapData,   // optional
    DWORD* pdwSizeofEapData
);

<DllImport("RASAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RasGetEapUserDataW(
    hToken As IntPtr,   ' HANDLE optional
    <MarshalAs(UnmanagedType.LPWStr)> pszPhonebook As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pszEntry As String,   ' LPCWSTR
    pbEapData As IntPtr,   ' BYTE* optional, out
    ByRef pdwSizeofEapData As UInteger   ' DWORD* in/out
) As UInteger
End Function

' hToken : HANDLE optional
' pszPhonebook : LPCWSTR optional
' pszEntry : LPCWSTR
' pbEapData : BYTE* optional, out
' pdwSizeofEapData : DWORD* in/out
Declare PtrSafe Function RasGetEapUserDataW Lib "rasapi32" ( _
    ByVal hToken As LongPtr, _
    ByVal pszPhonebook As LongPtr, _
    ByVal pszEntry As LongPtr, _
    ByVal pbEapData As LongPtr, _
    ByRef pdwSizeofEapData As Long) 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

RasGetEapUserDataW = ctypes.windll.rasapi32.RasGetEapUserDataW
RasGetEapUserDataW.restype = wintypes.DWORD
RasGetEapUserDataW.argtypes = [
    wintypes.HANDLE,  # hToken : HANDLE optional
    wintypes.LPCWSTR,  # pszPhonebook : LPCWSTR optional
    wintypes.LPCWSTR,  # pszEntry : LPCWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pbEapData : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pdwSizeofEapData : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasGetEapUserDataW = Fiddle::Function.new(
  lib['RasGetEapUserDataW'],
  [
    Fiddle::TYPE_VOIDP,  # hToken : HANDLE optional
    Fiddle::TYPE_VOIDP,  # pszPhonebook : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszEntry : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pbEapData : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pdwSizeofEapData : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "rasapi32")]
extern "system" {
    fn RasGetEapUserDataW(
        hToken: *mut core::ffi::c_void,  // HANDLE optional
        pszPhonebook: *const u16,  // LPCWSTR optional
        pszEntry: *const u16,  // LPCWSTR
        pbEapData: *mut u8,  // BYTE* optional, out
        pdwSizeofEapData: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint RasGetEapUserDataW(IntPtr hToken, [MarshalAs(UnmanagedType.LPWStr)] string pszPhonebook, [MarshalAs(UnmanagedType.LPWStr)] string pszEntry, IntPtr pbEapData, ref uint pdwSizeofEapData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasGetEapUserDataW' -Namespace Win32 -PassThru
# $api::RasGetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData)

#uselib "RASAPI32.dll"
#func global RasGetEapUserDataW "RasGetEapUserDataW" wptr, wptr, wptr, wptr, wptr
; RasGetEapUserDataW hToken, pszPhonebook, pszEntry, varptr(pbEapData), varptr(pdwSizeofEapData)   ; 戻り値は stat
; hToken : HANDLE optional -> "wptr"
; pszPhonebook : LPCWSTR optional -> "wptr"
; pszEntry : LPCWSTR -> "wptr"
; pbEapData : BYTE* optional, out -> "wptr"
; pdwSizeofEapData : DWORD* in/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 (
	rasapi32 = windows.NewLazySystemDLL("RASAPI32.dll")
	procRasGetEapUserDataW = rasapi32.NewProc("RasGetEapUserDataW")
)

// hToken (HANDLE optional), pszPhonebook (LPCWSTR optional), pszEntry (LPCWSTR), pbEapData (BYTE* optional, out), pdwSizeofEapData (DWORD* in/out)
r1, _, err := procRasGetEapUserDataW.Call(
	uintptr(hToken),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPhonebook))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszEntry))),
	uintptr(pbEapData),
	uintptr(pdwSizeofEapData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RasGetEapUserDataW(
  hToken: THandle;   // HANDLE optional
  pszPhonebook: PWideChar;   // LPCWSTR optional
  pszEntry: PWideChar;   // LPCWSTR
  pbEapData: Pointer;   // BYTE* optional, out
  pdwSizeofEapData: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasGetEapUserDataW';

result := DllCall("RASAPI32\RasGetEapUserDataW"
    , "Ptr", hToken   ; HANDLE optional
    , "WStr", pszPhonebook   ; LPCWSTR optional
    , "WStr", pszEntry   ; LPCWSTR
    , "Ptr", pbEapData   ; BYTE* optional, out
    , "Ptr", pdwSizeofEapData   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●RasGetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData) = DLL("RASAPI32.dll", "dword RasGetEapUserDataW(void*, char*, char*, void*, void*)")
# 呼び出し: RasGetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData)
# hToken : HANDLE optional -> "void*"
# pszPhonebook : LPCWSTR optional -> "char*"
# pszEntry : LPCWSTR -> "char*"
# pbEapData : BYTE* optional, out -> "void*"
# pdwSizeofEapData : DWORD* in/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 "rasapi32" fn RasGetEapUserDataW(
    hToken: ?*anyopaque, // HANDLE optional
    pszPhonebook: [*c]const u16, // LPCWSTR optional
    pszEntry: [*c]const u16, // LPCWSTR
    pbEapData: [*c]u8, // BYTE* optional, out
    pdwSizeofEapData: [*c]u32 // DWORD* in/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 RasGetEapUserDataW(
    hToken: pointer,  # HANDLE optional
    pszPhonebook: WideCString,  # LPCWSTR optional
    pszEntry: WideCString,  # LPCWSTR
    pbEapData: ptr uint8,  # BYTE* optional, out
    pdwSizeofEapData: ptr uint32  # DWORD* in/out
): uint32 {.importc: "RasGetEapUserDataW", stdcall, dynlib: "RASAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "rasapi32");
extern(Windows)
uint RasGetEapUserDataW(
    void* hToken,   // HANDLE optional
    const(wchar)* pszPhonebook,   // LPCWSTR optional
    const(wchar)* pszEntry,   // LPCWSTR
    ubyte* pbEapData,   // BYTE* optional, out
    uint* pdwSizeofEapData   // DWORD* in/out
);

ccall((:RasGetEapUserDataW, "RASAPI32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Cwstring, Cwstring, Ptr{UInt8}, Ptr{UInt32}),
      hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData)
# hToken : HANDLE optional -> Ptr{Cvoid}
# pszPhonebook : LPCWSTR optional -> Cwstring
# pszEntry : LPCWSTR -> Cwstring
# pbEapData : BYTE* optional, out -> Ptr{UInt8}
# pdwSizeofEapData : DWORD* in/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 RasGetEapUserDataW(
    void* hToken,
    const uint16_t* pszPhonebook,
    const uint16_t* pszEntry,
    uint8_t* pbEapData,
    uint32_t* pdwSizeofEapData);
]]
local rasapi32 = ffi.load("rasapi32")
-- rasapi32.RasGetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData)
-- hToken : HANDLE optional
-- pszPhonebook : LPCWSTR optional
-- pszEntry : LPCWSTR
-- pbEapData : BYTE* optional, out
-- pdwSizeofEapData : DWORD* in/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('RASAPI32.dll');
const RasGetEapUserDataW = lib.func('__stdcall', 'RasGetEapUserDataW', 'uint32_t', ['void *', 'str16', 'str16', 'uint8_t *', 'uint32_t *']);
// RasGetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData)
// hToken : HANDLE optional -> 'void *'
// pszPhonebook : LPCWSTR optional -> 'str16'
// pszEntry : LPCWSTR -> 'str16'
// pbEapData : BYTE* optional, out -> 'uint8_t *'
// pdwSizeofEapData : DWORD* in/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("RASAPI32.dll", {
  RasGetEapUserDataW: { parameters: ["pointer", "buffer", "buffer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.RasGetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData)
// hToken : HANDLE optional -> "pointer"
// pszPhonebook : LPCWSTR optional -> "buffer"
// pszEntry : LPCWSTR -> "buffer"
// pbEapData : BYTE* optional, out -> "pointer"
// pdwSizeofEapData : DWORD* in/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 RasGetEapUserDataW(
    void* hToken,
    const uint16_t* pszPhonebook,
    const uint16_t* pszEntry,
    uint8_t* pbEapData,
    uint32_t* pdwSizeofEapData);
C, "RASAPI32.dll");
// $ffi->RasGetEapUserDataW(hToken, pszPhonebook, pszEntry, pbEapData, pdwSizeofEapData);
// hToken : HANDLE optional
// pszPhonebook : LPCWSTR optional
// pszEntry : LPCWSTR
// pbEapData : BYTE* optional, out
// pdwSizeofEapData : DWORD* in/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 Rasapi32 extends StdCallLibrary {
    Rasapi32 INSTANCE = Native.load("rasapi32", Rasapi32.class, W32APIOptions.UNICODE_OPTIONS);
    int RasGetEapUserDataW(
        Pointer hToken,   // HANDLE optional
        WString pszPhonebook,   // LPCWSTR optional
        WString pszEntry,   // LPCWSTR
        byte[] pbEapData,   // BYTE* optional, out
        IntByReference pdwSizeofEapData   // DWORD* in/out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("rasapi32")]
lib LibRASAPI32
  fun RasGetEapUserDataW = RasGetEapUserDataW(
    hToken : Void*,   # HANDLE optional
    pszPhonebook : UInt16*,   # LPCWSTR optional
    pszEntry : UInt16*,   # LPCWSTR
    pbEapData : UInt8*,   # BYTE* optional, out
    pdwSizeofEapData : UInt32*   # DWORD* in/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 RasGetEapUserDataWNative = Uint32 Function(Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint8>, Pointer<Uint32>);
typedef RasGetEapUserDataWDart = int Function(Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint8>, Pointer<Uint32>);
final RasGetEapUserDataW = DynamicLibrary.open('RASAPI32.dll')
    .lookupFunction<RasGetEapUserDataWNative, RasGetEapUserDataWDart>('RasGetEapUserDataW');
// hToken : HANDLE optional -> Pointer<Void>
// pszPhonebook : LPCWSTR optional -> Pointer<Utf16>
// pszEntry : LPCWSTR -> Pointer<Utf16>
// pbEapData : BYTE* optional, out -> Pointer<Uint8>
// pdwSizeofEapData : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RasGetEapUserDataW(
  hToken: THandle;   // HANDLE optional
  pszPhonebook: PWideChar;   // LPCWSTR optional
  pszEntry: PWideChar;   // LPCWSTR
  pbEapData: Pointer;   // BYTE* optional, out
  pdwSizeofEapData: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasGetEapUserDataW';

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

foreign import stdcall safe "RasGetEapUserDataW"
  c_RasGetEapUserDataW :: Ptr () -> CWString -> CWString -> Ptr Word8 -> Ptr Word32 -> IO Word32
-- hToken : HANDLE optional -> Ptr ()
-- pszPhonebook : LPCWSTR optional -> CWString
-- pszEntry : LPCWSTR -> CWString
-- pbEapData : BYTE* optional, out -> Ptr Word8
-- pdwSizeofEapData : DWORD* in/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 rasgeteapuserdataw =
  foreign "RasGetEapUserDataW"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint8_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* hToken : HANDLE optional -> (ptr void) *)
(* pszPhonebook : LPCWSTR optional -> (ptr uint16_t) *)
(* pszEntry : LPCWSTR -> (ptr uint16_t) *)
(* pbEapData : BYTE* optional, out -> (ptr uint8_t) *)
(* pdwSizeofEapData : DWORD* in/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 rasapi32 (t "RASAPI32.dll"))
(cffi:use-foreign-library rasapi32)

(cffi:defcfun ("RasGetEapUserDataW" ras-get-eap-user-data-w :convention :stdcall) :uint32
  (h-token :pointer)   ; HANDLE optional
  (psz-phonebook (:string :encoding :utf-16le))   ; LPCWSTR optional
  (psz-entry (:string :encoding :utf-16le))   ; LPCWSTR
  (pb-eap-data :pointer)   ; BYTE* optional, out
  (pdw-sizeof-eap-data :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RasGetEapUserDataW = Win32::API::More->new('RASAPI32',
    'DWORD RasGetEapUserDataW(HANDLE hToken, LPCWSTR pszPhonebook, LPCWSTR pszEntry, LPVOID pbEapData, LPVOID pdwSizeofEapData)');
# my $ret = $RasGetEapUserDataW->Call($hToken, $pszPhonebook, $pszEntry, $pbEapData, $pdwSizeofEapData);
# hToken : HANDLE optional -> HANDLE
# pszPhonebook : LPCWSTR optional -> LPCWSTR
# pszEntry : LPCWSTR -> LPCWSTR
# pbEapData : BYTE* optional, out -> LPVOID
# pdwSizeofEapData : DWORD* in/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。