RasGetEapUserIdentityW

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

DWORD RasGetEapUserIdentityW(
    LPCWSTR pszPhonebook,   // optional
    LPCWSTR pszEntry,
    DWORD dwFlags,
    HWND hwnd,
    RASEAPUSERIDENTITYW** ppRasEapUserIdentity
);

<DllImport("RASAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function RasGetEapUserIdentityW(
    <MarshalAs(UnmanagedType.LPWStr)> pszPhonebook As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pszEntry As String,   ' LPCWSTR
    dwFlags As UInteger,   ' DWORD
    hwnd As IntPtr,   ' HWND
    ppRasEapUserIdentity As IntPtr   ' RASEAPUSERIDENTITYW** out
) As UInteger
End Function

' pszPhonebook : LPCWSTR optional
' pszEntry : LPCWSTR
' dwFlags : DWORD
' hwnd : HWND
' ppRasEapUserIdentity : RASEAPUSERIDENTITYW** out
Declare PtrSafe Function RasGetEapUserIdentityW Lib "rasapi32" ( _
    ByVal pszPhonebook As LongPtr, _
    ByVal pszEntry As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal hwnd As LongPtr, _
    ByVal ppRasEapUserIdentity 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

RasGetEapUserIdentityW = ctypes.windll.rasapi32.RasGetEapUserIdentityW
RasGetEapUserIdentityW.restype = wintypes.DWORD
RasGetEapUserIdentityW.argtypes = [
    wintypes.LPCWSTR,  # pszPhonebook : LPCWSTR optional
    wintypes.LPCWSTR,  # pszEntry : LPCWSTR
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.HANDLE,  # hwnd : HWND
    ctypes.c_void_p,  # ppRasEapUserIdentity : RASEAPUSERIDENTITYW** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RASAPI32.dll')
RasGetEapUserIdentityW = Fiddle::Function.new(
  lib['RasGetEapUserIdentityW'],
  [
    Fiddle::TYPE_VOIDP,  # pszPhonebook : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszEntry : LPCWSTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_VOIDP,  # ppRasEapUserIdentity : RASEAPUSERIDENTITYW** out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "rasapi32")]
extern "system" {
    fn RasGetEapUserIdentityW(
        pszPhonebook: *const u16,  // LPCWSTR optional
        pszEntry: *const u16,  // LPCWSTR
        dwFlags: u32,  // DWORD
        hwnd: *mut core::ffi::c_void,  // HWND
        ppRasEapUserIdentity: *mut *mut RASEAPUSERIDENTITYW  // RASEAPUSERIDENTITYW** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RASAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint RasGetEapUserIdentityW([MarshalAs(UnmanagedType.LPWStr)] string pszPhonebook, [MarshalAs(UnmanagedType.LPWStr)] string pszEntry, uint dwFlags, IntPtr hwnd, IntPtr ppRasEapUserIdentity);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RASAPI32_RasGetEapUserIdentityW' -Namespace Win32 -PassThru
# $api::RasGetEapUserIdentityW(pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity)

#uselib "RASAPI32.dll"
#func global RasGetEapUserIdentityW "RasGetEapUserIdentityW" wptr, wptr, wptr, wptr, wptr
; RasGetEapUserIdentityW pszPhonebook, pszEntry, dwFlags, hwnd, varptr(ppRasEapUserIdentity)   ; 戻り値は stat
; pszPhonebook : LPCWSTR optional -> "wptr"
; pszEntry : LPCWSTR -> "wptr"
; dwFlags : DWORD -> "wptr"
; hwnd : HWND -> "wptr"
; ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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")
	procRasGetEapUserIdentityW = rasapi32.NewProc("RasGetEapUserIdentityW")
)

// pszPhonebook (LPCWSTR optional), pszEntry (LPCWSTR), dwFlags (DWORD), hwnd (HWND), ppRasEapUserIdentity (RASEAPUSERIDENTITYW** out)
r1, _, err := procRasGetEapUserIdentityW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPhonebook))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszEntry))),
	uintptr(dwFlags),
	uintptr(hwnd),
	uintptr(ppRasEapUserIdentity),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RasGetEapUserIdentityW(
  pszPhonebook: PWideChar;   // LPCWSTR optional
  pszEntry: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // DWORD
  hwnd: THandle;   // HWND
  ppRasEapUserIdentity: Pointer   // RASEAPUSERIDENTITYW** out
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasGetEapUserIdentityW';

result := DllCall("RASAPI32\RasGetEapUserIdentityW"
    , "WStr", pszPhonebook   ; LPCWSTR optional
    , "WStr", pszEntry   ; LPCWSTR
    , "UInt", dwFlags   ; DWORD
    , "Ptr", hwnd   ; HWND
    , "Ptr", ppRasEapUserIdentity   ; RASEAPUSERIDENTITYW** out
    , "UInt")   ; return: DWORD

●RasGetEapUserIdentityW(pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity) = DLL("RASAPI32.dll", "dword RasGetEapUserIdentityW(char*, char*, dword, void*, void*)")
# 呼び出し: RasGetEapUserIdentityW(pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity)
# pszPhonebook : LPCWSTR optional -> "char*"
# pszEntry : LPCWSTR -> "char*"
# dwFlags : DWORD -> "dword"
# hwnd : HWND -> "void*"
# ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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 RasGetEapUserIdentityW(
    pszPhonebook: [*c]const u16, // LPCWSTR optional
    pszEntry: [*c]const u16, // LPCWSTR
    dwFlags: u32, // DWORD
    hwnd: ?*anyopaque, // HWND
    ppRasEapUserIdentity: [*c][*c]RASEAPUSERIDENTITYW // RASEAPUSERIDENTITYW** 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 RasGetEapUserIdentityW(
    pszPhonebook: WideCString,  # LPCWSTR optional
    pszEntry: WideCString,  # LPCWSTR
    dwFlags: uint32,  # DWORD
    hwnd: pointer,  # HWND
    ppRasEapUserIdentity: ptr RASEAPUSERIDENTITYW  # RASEAPUSERIDENTITYW** out
): uint32 {.importc: "RasGetEapUserIdentityW", stdcall, dynlib: "RASAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "rasapi32");
extern(Windows)
uint RasGetEapUserIdentityW(
    const(wchar)* pszPhonebook,   // LPCWSTR optional
    const(wchar)* pszEntry,   // LPCWSTR
    uint dwFlags,   // DWORD
    void* hwnd,   // HWND
    RASEAPUSERIDENTITYW** ppRasEapUserIdentity   // RASEAPUSERIDENTITYW** out
);

ccall((:RasGetEapUserIdentityW, "RASAPI32.dll"), stdcall, UInt32,
      (Cwstring, Cwstring, UInt32, Ptr{Cvoid}, Ptr{RASEAPUSERIDENTITYW}),
      pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity)
# pszPhonebook : LPCWSTR optional -> Cwstring
# pszEntry : LPCWSTR -> Cwstring
# dwFlags : DWORD -> UInt32
# hwnd : HWND -> Ptr{Cvoid}
# ppRasEapUserIdentity : RASEAPUSERIDENTITYW** out -> Ptr{RASEAPUSERIDENTITYW}
# 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 RasGetEapUserIdentityW(
    const uint16_t* pszPhonebook,
    const uint16_t* pszEntry,
    uint32_t dwFlags,
    void* hwnd,
    void* ppRasEapUserIdentity);
]]
local rasapi32 = ffi.load("rasapi32")
-- rasapi32.RasGetEapUserIdentityW(pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity)
-- pszPhonebook : LPCWSTR optional
-- pszEntry : LPCWSTR
-- dwFlags : DWORD
-- hwnd : HWND
-- ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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 RasGetEapUserIdentityW = lib.func('__stdcall', 'RasGetEapUserIdentityW', 'uint32_t', ['str16', 'str16', 'uint32_t', 'void *', 'void *']);
// RasGetEapUserIdentityW(pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity)
// pszPhonebook : LPCWSTR optional -> 'str16'
// pszEntry : LPCWSTR -> 'str16'
// dwFlags : DWORD -> 'uint32_t'
// hwnd : HWND -> 'void *'
// ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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("RASAPI32.dll", {
  RasGetEapUserIdentityW: { parameters: ["buffer", "buffer", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.RasGetEapUserIdentityW(pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity)
// pszPhonebook : LPCWSTR optional -> "buffer"
// pszEntry : LPCWSTR -> "buffer"
// dwFlags : DWORD -> "u32"
// hwnd : HWND -> "pointer"
// ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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 RasGetEapUserIdentityW(
    const uint16_t* pszPhonebook,
    const uint16_t* pszEntry,
    uint32_t dwFlags,
    void* hwnd,
    void* ppRasEapUserIdentity);
C, "RASAPI32.dll");
// $ffi->RasGetEapUserIdentityW(pszPhonebook, pszEntry, dwFlags, hwnd, ppRasEapUserIdentity);
// pszPhonebook : LPCWSTR optional
// pszEntry : LPCWSTR
// dwFlags : DWORD
// hwnd : HWND
// ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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 RasGetEapUserIdentityW(
        WString pszPhonebook,   // LPCWSTR optional
        WString pszEntry,   // LPCWSTR
        int dwFlags,   // DWORD
        Pointer hwnd,   // HWND
        Pointer ppRasEapUserIdentity   // RASEAPUSERIDENTITYW** 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 RasGetEapUserIdentityW = RasGetEapUserIdentityW(
    pszPhonebook : UInt16*,   # LPCWSTR optional
    pszEntry : UInt16*,   # LPCWSTR
    dwFlags : UInt32,   # DWORD
    hwnd : Void*,   # HWND
    ppRasEapUserIdentity : RASEAPUSERIDENTITYW**   # RASEAPUSERIDENTITYW** 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 RasGetEapUserIdentityWNative = Uint32 Function(Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Void>, Pointer<Void>);
typedef RasGetEapUserIdentityWDart = int Function(Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Void>, Pointer<Void>);
final RasGetEapUserIdentityW = DynamicLibrary.open('RASAPI32.dll')
    .lookupFunction<RasGetEapUserIdentityWNative, RasGetEapUserIdentityWDart>('RasGetEapUserIdentityW');
// pszPhonebook : LPCWSTR optional -> Pointer<Utf16>
// pszEntry : LPCWSTR -> Pointer<Utf16>
// dwFlags : DWORD -> Uint32
// hwnd : HWND -> Pointer<Void>
// ppRasEapUserIdentity : RASEAPUSERIDENTITYW** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RasGetEapUserIdentityW(
  pszPhonebook: PWideChar;   // LPCWSTR optional
  pszEntry: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // DWORD
  hwnd: THandle;   // HWND
  ppRasEapUserIdentity: Pointer   // RASEAPUSERIDENTITYW** out
): DWORD; stdcall;
  external 'RASAPI32.dll' name 'RasGetEapUserIdentityW';

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

foreign import stdcall safe "RasGetEapUserIdentityW"
  c_RasGetEapUserIdentityW :: CWString -> CWString -> Word32 -> Ptr () -> Ptr () -> IO Word32
-- pszPhonebook : LPCWSTR optional -> CWString
-- pszEntry : LPCWSTR -> CWString
-- dwFlags : DWORD -> Word32
-- hwnd : HWND -> Ptr ()
-- ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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 rasgeteapuseridentityw =
  foreign "RasGetEapUserIdentityW"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* pszPhonebook : LPCWSTR optional -> (ptr uint16_t) *)
(* pszEntry : LPCWSTR -> (ptr uint16_t) *)
(* dwFlags : DWORD -> uint32_t *)
(* hwnd : HWND -> (ptr void) *)
(* ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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 rasapi32 (t "RASAPI32.dll"))
(cffi:use-foreign-library rasapi32)

(cffi:defcfun ("RasGetEapUserIdentityW" ras-get-eap-user-identity-w :convention :stdcall) :uint32
  (psz-phonebook (:string :encoding :utf-16le))   ; LPCWSTR optional
  (psz-entry (:string :encoding :utf-16le))   ; LPCWSTR
  (dw-flags :uint32)   ; DWORD
  (hwnd :pointer)   ; HWND
  (pp-ras-eap-user-identity :pointer))   ; RASEAPUSERIDENTITYW** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RasGetEapUserIdentityW = Win32::API::More->new('RASAPI32',
    'DWORD RasGetEapUserIdentityW(LPCWSTR pszPhonebook, LPCWSTR pszEntry, DWORD dwFlags, HANDLE hwnd, LPVOID ppRasEapUserIdentity)');
# my $ret = $RasGetEapUserIdentityW->Call($pszPhonebook, $pszEntry, $dwFlags, $hwnd, $ppRasEapUserIdentity);
# pszPhonebook : LPCWSTR optional -> LPCWSTR
# pszEntry : LPCWSTR -> LPCWSTR
# dwFlags : DWORD -> DWORD
# hwnd : HWND -> HANDLE
# ppRasEapUserIdentity : RASEAPUSERIDENTITYW** 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。