EapHostPeerBeginSession

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

DWORD EapHostPeerBeginSession(
    DWORD dwFlags,
    EAP_METHOD_TYPE eapType,
    const EAP_ATTRIBUTES* pAttributeArray,
    HANDLE hTokenImpersonateUser,
    DWORD dwSizeofConnectionData,
    const BYTE* pConnectionData,
    DWORD dwSizeofUserData,
    const BYTE* pUserData,
    DWORD dwMaxSendPacketSize,
    const GUID* pConnectionId,   // optional
    NotificationHandler func,   // optional
    void* pContextData,   // optional
    DWORD* pSessionId,
    EAP_ERROR** ppEapError
);

<DllImport("eappprxy.dll", ExactSpelling:=True)>
Public Shared Function EapHostPeerBeginSession(
    dwFlags As UInteger,   ' DWORD
    eapType As EAP_METHOD_TYPE,   ' EAP_METHOD_TYPE
    pAttributeArray As IntPtr,   ' EAP_ATTRIBUTES*
    hTokenImpersonateUser As IntPtr,   ' HANDLE
    dwSizeofConnectionData As UInteger,   ' DWORD
    pConnectionData As IntPtr,   ' BYTE*
    dwSizeofUserData As UInteger,   ' DWORD
    pUserData As IntPtr,   ' BYTE*
    dwMaxSendPacketSize As UInteger,   ' DWORD
    pConnectionId As IntPtr,   ' GUID* optional
    func As IntPtr,   ' NotificationHandler optional
    pContextData As IntPtr,   ' void* optional
    <Out> ByRef pSessionId As UInteger,   ' DWORD* out
    ppEapError As IntPtr   ' EAP_ERROR** out
) As UInteger
End Function

' dwFlags : DWORD
' eapType : EAP_METHOD_TYPE
' pAttributeArray : EAP_ATTRIBUTES*
' hTokenImpersonateUser : HANDLE
' dwSizeofConnectionData : DWORD
' pConnectionData : BYTE*
' dwSizeofUserData : DWORD
' pUserData : BYTE*
' dwMaxSendPacketSize : DWORD
' pConnectionId : GUID* optional
' func : NotificationHandler optional
' pContextData : void* optional
' pSessionId : DWORD* out
' ppEapError : EAP_ERROR** out
Declare PtrSafe Function EapHostPeerBeginSession Lib "eappprxy" ( _
    ByVal dwFlags As Long, _
    ByVal eapType As LongPtr, _
    ByVal pAttributeArray As LongPtr, _
    ByVal hTokenImpersonateUser As LongPtr, _
    ByVal dwSizeofConnectionData As Long, _
    ByVal pConnectionData As LongPtr, _
    ByVal dwSizeofUserData As Long, _
    ByVal pUserData As LongPtr, _
    ByVal dwMaxSendPacketSize As Long, _
    ByVal pConnectionId As LongPtr, _
    ByVal func As LongPtr, _
    ByVal pContextData As LongPtr, _
    ByRef pSessionId As Long, _
    ByVal ppEapError 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

EapHostPeerBeginSession = ctypes.windll.eappprxy.EapHostPeerBeginSession
EapHostPeerBeginSession.restype = wintypes.DWORD
EapHostPeerBeginSession.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    EAP_METHOD_TYPE,  # eapType : EAP_METHOD_TYPE
    ctypes.c_void_p,  # pAttributeArray : EAP_ATTRIBUTES*
    wintypes.HANDLE,  # hTokenImpersonateUser : HANDLE
    wintypes.DWORD,  # dwSizeofConnectionData : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pConnectionData : BYTE*
    wintypes.DWORD,  # dwSizeofUserData : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pUserData : BYTE*
    wintypes.DWORD,  # dwMaxSendPacketSize : DWORD
    ctypes.c_void_p,  # pConnectionId : GUID* optional
    ctypes.c_void_p,  # func : NotificationHandler optional
    ctypes.POINTER(None),  # pContextData : void* optional
    ctypes.POINTER(wintypes.DWORD),  # pSessionId : DWORD* out
    ctypes.c_void_p,  # ppEapError : EAP_ERROR** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('eappprxy.dll')
EapHostPeerBeginSession = Fiddle::Function.new(
  lib['EapHostPeerBeginSession'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # eapType : EAP_METHOD_TYPE
    Fiddle::TYPE_VOIDP,  # pAttributeArray : EAP_ATTRIBUTES*
    Fiddle::TYPE_VOIDP,  # hTokenImpersonateUser : HANDLE
    -Fiddle::TYPE_INT,  # dwSizeofConnectionData : DWORD
    Fiddle::TYPE_VOIDP,  # pConnectionData : BYTE*
    -Fiddle::TYPE_INT,  # dwSizeofUserData : DWORD
    Fiddle::TYPE_VOIDP,  # pUserData : BYTE*
    -Fiddle::TYPE_INT,  # dwMaxSendPacketSize : DWORD
    Fiddle::TYPE_VOIDP,  # pConnectionId : GUID* optional
    Fiddle::TYPE_VOIDP,  # func : NotificationHandler optional
    Fiddle::TYPE_VOIDP,  # pContextData : void* optional
    Fiddle::TYPE_VOIDP,  # pSessionId : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppEapError : EAP_ERROR** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "eappprxy")]
extern "system" {
    fn EapHostPeerBeginSession(
        dwFlags: u32,  // DWORD
        eapType: EAP_METHOD_TYPE,  // EAP_METHOD_TYPE
        pAttributeArray: *const EAP_ATTRIBUTES,  // EAP_ATTRIBUTES*
        hTokenImpersonateUser: *mut core::ffi::c_void,  // HANDLE
        dwSizeofConnectionData: u32,  // DWORD
        pConnectionData: *const u8,  // BYTE*
        dwSizeofUserData: u32,  // DWORD
        pUserData: *const u8,  // BYTE*
        dwMaxSendPacketSize: u32,  // DWORD
        pConnectionId: *const GUID,  // GUID* optional
        func: *const core::ffi::c_void,  // NotificationHandler optional
        pContextData: *mut (),  // void* optional
        pSessionId: *mut u32,  // DWORD* out
        ppEapError: *mut *mut EAP_ERROR  // EAP_ERROR** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("eappprxy.dll")]
public static extern uint EapHostPeerBeginSession(uint dwFlags, EAP_METHOD_TYPE eapType, IntPtr pAttributeArray, IntPtr hTokenImpersonateUser, uint dwSizeofConnectionData, IntPtr pConnectionData, uint dwSizeofUserData, IntPtr pUserData, uint dwMaxSendPacketSize, IntPtr pConnectionId, IntPtr func, IntPtr pContextData, out uint pSessionId, IntPtr ppEapError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'eappprxy_EapHostPeerBeginSession' -Namespace Win32 -PassThru
# $api::EapHostPeerBeginSession(dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError)

#uselib "eappprxy.dll"
#func global EapHostPeerBeginSession "EapHostPeerBeginSession" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; EapHostPeerBeginSession dwFlags, eapType, varptr(pAttributeArray), hTokenImpersonateUser, dwSizeofConnectionData, varptr(pConnectionData), dwSizeofUserData, varptr(pUserData), dwMaxSendPacketSize, varptr(pConnectionId), func, pContextData, varptr(pSessionId), varptr(ppEapError)   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; eapType : EAP_METHOD_TYPE -> "sptr"
; pAttributeArray : EAP_ATTRIBUTES* -> "sptr"
; hTokenImpersonateUser : HANDLE -> "sptr"
; dwSizeofConnectionData : DWORD -> "sptr"
; pConnectionData : BYTE* -> "sptr"
; dwSizeofUserData : DWORD -> "sptr"
; pUserData : BYTE* -> "sptr"
; dwMaxSendPacketSize : DWORD -> "sptr"
; pConnectionId : GUID* optional -> "sptr"
; func : NotificationHandler optional -> "sptr"
; pContextData : void* optional -> "sptr"
; pSessionId : DWORD* out -> "sptr"
; ppEapError : EAP_ERROR** out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 (
	eappprxy = windows.NewLazySystemDLL("eappprxy.dll")
	procEapHostPeerBeginSession = eappprxy.NewProc("EapHostPeerBeginSession")
)

// dwFlags (DWORD), eapType (EAP_METHOD_TYPE), pAttributeArray (EAP_ATTRIBUTES*), hTokenImpersonateUser (HANDLE), dwSizeofConnectionData (DWORD), pConnectionData (BYTE*), dwSizeofUserData (DWORD), pUserData (BYTE*), dwMaxSendPacketSize (DWORD), pConnectionId (GUID* optional), func (NotificationHandler optional), pContextData (void* optional), pSessionId (DWORD* out), ppEapError (EAP_ERROR** out)
r1, _, err := procEapHostPeerBeginSession.Call(
	uintptr(dwFlags),
	uintptr(eapType),
	uintptr(pAttributeArray),
	uintptr(hTokenImpersonateUser),
	uintptr(dwSizeofConnectionData),
	uintptr(pConnectionData),
	uintptr(dwSizeofUserData),
	uintptr(pUserData),
	uintptr(dwMaxSendPacketSize),
	uintptr(pConnectionId),
	uintptr(func),
	uintptr(pContextData),
	uintptr(pSessionId),
	uintptr(ppEapError),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EapHostPeerBeginSession(
  dwFlags: DWORD;   // DWORD
  eapType: EAP_METHOD_TYPE;   // EAP_METHOD_TYPE
  pAttributeArray: Pointer;   // EAP_ATTRIBUTES*
  hTokenImpersonateUser: THandle;   // HANDLE
  dwSizeofConnectionData: DWORD;   // DWORD
  pConnectionData: Pointer;   // BYTE*
  dwSizeofUserData: DWORD;   // DWORD
  pUserData: Pointer;   // BYTE*
  dwMaxSendPacketSize: DWORD;   // DWORD
  pConnectionId: PGUID;   // GUID* optional
  func: Pointer;   // NotificationHandler optional
  pContextData: Pointer;   // void* optional
  pSessionId: Pointer;   // DWORD* out
  ppEapError: Pointer   // EAP_ERROR** out
): DWORD; stdcall;
  external 'eappprxy.dll' name 'EapHostPeerBeginSession';

result := DllCall("eappprxy\EapHostPeerBeginSession"
    , "UInt", dwFlags   ; DWORD
    , "Ptr", eapType   ; EAP_METHOD_TYPE
    , "Ptr", pAttributeArray   ; EAP_ATTRIBUTES*
    , "Ptr", hTokenImpersonateUser   ; HANDLE
    , "UInt", dwSizeofConnectionData   ; DWORD
    , "Ptr", pConnectionData   ; BYTE*
    , "UInt", dwSizeofUserData   ; DWORD
    , "Ptr", pUserData   ; BYTE*
    , "UInt", dwMaxSendPacketSize   ; DWORD
    , "Ptr", pConnectionId   ; GUID* optional
    , "Ptr", func   ; NotificationHandler optional
    , "Ptr", pContextData   ; void* optional
    , "Ptr", pSessionId   ; DWORD* out
    , "Ptr", ppEapError   ; EAP_ERROR** out
    , "UInt")   ; return: DWORD

●EapHostPeerBeginSession(dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError) = DLL("eappprxy.dll", "dword EapHostPeerBeginSession(dword, void*, void*, void*, dword, void*, dword, void*, dword, void*, void*, void*, void*, void*)")
# 呼び出し: EapHostPeerBeginSession(dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError)
# dwFlags : DWORD -> "dword"
# eapType : EAP_METHOD_TYPE -> "void*"
# pAttributeArray : EAP_ATTRIBUTES* -> "void*"
# hTokenImpersonateUser : HANDLE -> "void*"
# dwSizeofConnectionData : DWORD -> "dword"
# pConnectionData : BYTE* -> "void*"
# dwSizeofUserData : DWORD -> "dword"
# pUserData : BYTE* -> "void*"
# dwMaxSendPacketSize : DWORD -> "dword"
# pConnectionId : GUID* optional -> "void*"
# func : NotificationHandler optional -> "void*"
# pContextData : void* optional -> "void*"
# pSessionId : DWORD* out -> "void*"
# ppEapError : EAP_ERROR** 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 "eappprxy" fn EapHostPeerBeginSession(
    dwFlags: u32, // DWORD
    eapType: EAP_METHOD_TYPE, // EAP_METHOD_TYPE
    pAttributeArray: [*c]EAP_ATTRIBUTES, // EAP_ATTRIBUTES*
    hTokenImpersonateUser: ?*anyopaque, // HANDLE
    dwSizeofConnectionData: u32, // DWORD
    pConnectionData: [*c]u8, // BYTE*
    dwSizeofUserData: u32, // DWORD
    pUserData: [*c]u8, // BYTE*
    dwMaxSendPacketSize: u32, // DWORD
    pConnectionId: [*c]GUID, // GUID* optional
    func: ?*anyopaque, // NotificationHandler optional
    pContextData: ?*anyopaque, // void* optional
    pSessionId: [*c]u32, // DWORD* out
    ppEapError: [*c][*c]EAP_ERROR // EAP_ERROR** out
) callconv(std.os.windows.WINAPI) u32;

proc EapHostPeerBeginSession(
    dwFlags: uint32,  # DWORD
    eapType: EAP_METHOD_TYPE,  # EAP_METHOD_TYPE
    pAttributeArray: ptr EAP_ATTRIBUTES,  # EAP_ATTRIBUTES*
    hTokenImpersonateUser: pointer,  # HANDLE
    dwSizeofConnectionData: uint32,  # DWORD
    pConnectionData: ptr uint8,  # BYTE*
    dwSizeofUserData: uint32,  # DWORD
    pUserData: ptr uint8,  # BYTE*
    dwMaxSendPacketSize: uint32,  # DWORD
    pConnectionId: ptr GUID,  # GUID* optional
    `func`: pointer,  # NotificationHandler optional
    pContextData: pointer,  # void* optional
    pSessionId: ptr uint32,  # DWORD* out
    ppEapError: ptr EAP_ERROR  # EAP_ERROR** out
): uint32 {.importc: "EapHostPeerBeginSession", stdcall, dynlib: "eappprxy.dll".}

pragma(lib, "eappprxy");
extern(Windows)
uint EapHostPeerBeginSession(
    uint dwFlags,   // DWORD
    EAP_METHOD_TYPE eapType,   // EAP_METHOD_TYPE
    EAP_ATTRIBUTES* pAttributeArray,   // EAP_ATTRIBUTES*
    void* hTokenImpersonateUser,   // HANDLE
    uint dwSizeofConnectionData,   // DWORD
    ubyte* pConnectionData,   // BYTE*
    uint dwSizeofUserData,   // DWORD
    ubyte* pUserData,   // BYTE*
    uint dwMaxSendPacketSize,   // DWORD
    GUID* pConnectionId,   // GUID* optional
    void* func,   // NotificationHandler optional
    void* pContextData,   // void* optional
    uint* pSessionId,   // DWORD* out
    EAP_ERROR** ppEapError   // EAP_ERROR** out
);

ccall((:EapHostPeerBeginSession, "eappprxy.dll"), stdcall, UInt32,
      (UInt32, EAP_METHOD_TYPE, Ptr{EAP_ATTRIBUTES}, Ptr{Cvoid}, UInt32, Ptr{UInt8}, UInt32, Ptr{UInt8}, UInt32, Ptr{GUID}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{UInt32}, Ptr{EAP_ERROR}),
      dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError)
# dwFlags : DWORD -> UInt32
# eapType : EAP_METHOD_TYPE -> EAP_METHOD_TYPE
# pAttributeArray : EAP_ATTRIBUTES* -> Ptr{EAP_ATTRIBUTES}
# hTokenImpersonateUser : HANDLE -> Ptr{Cvoid}
# dwSizeofConnectionData : DWORD -> UInt32
# pConnectionData : BYTE* -> Ptr{UInt8}
# dwSizeofUserData : DWORD -> UInt32
# pUserData : BYTE* -> Ptr{UInt8}
# dwMaxSendPacketSize : DWORD -> UInt32
# pConnectionId : GUID* optional -> Ptr{GUID}
# func : NotificationHandler optional -> Ptr{Cvoid}
# pContextData : void* optional -> Ptr{Cvoid}
# pSessionId : DWORD* out -> Ptr{UInt32}
# ppEapError : EAP_ERROR** out -> Ptr{EAP_ERROR}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t EapHostPeerBeginSession(
    uint32_t dwFlags,
    EAP_METHOD_TYPE eapType,
    void* pAttributeArray,
    void* hTokenImpersonateUser,
    uint32_t dwSizeofConnectionData,
    uint8_t* pConnectionData,
    uint32_t dwSizeofUserData,
    uint8_t* pUserData,
    uint32_t dwMaxSendPacketSize,
    void* pConnectionId,
    void* func,
    void* pContextData,
    uint32_t* pSessionId,
    void* ppEapError);
]]
local eappprxy = ffi.load("eappprxy")
-- eappprxy.EapHostPeerBeginSession(dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError)
-- dwFlags : DWORD
-- eapType : EAP_METHOD_TYPE
-- pAttributeArray : EAP_ATTRIBUTES*
-- hTokenImpersonateUser : HANDLE
-- dwSizeofConnectionData : DWORD
-- pConnectionData : BYTE*
-- dwSizeofUserData : DWORD
-- pUserData : BYTE*
-- dwMaxSendPacketSize : DWORD
-- pConnectionId : GUID* optional
-- func : NotificationHandler optional
-- pContextData : void* optional
-- pSessionId : DWORD* out
-- ppEapError : EAP_ERROR** 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('eappprxy.dll');
const EapHostPeerBeginSession = lib.func('__stdcall', 'EapHostPeerBeginSession', 'uint32_t', ['uint32_t', 'EAP_METHOD_TYPE', 'void *', 'void *', 'uint32_t', 'uint8_t *', 'uint32_t', 'uint8_t *', 'uint32_t', 'void *', 'void *', 'void *', 'uint32_t *', 'void *']);
// EapHostPeerBeginSession(dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError)
// dwFlags : DWORD -> 'uint32_t'
// eapType : EAP_METHOD_TYPE -> 'EAP_METHOD_TYPE'
// pAttributeArray : EAP_ATTRIBUTES* -> 'void *'
// hTokenImpersonateUser : HANDLE -> 'void *'
// dwSizeofConnectionData : DWORD -> 'uint32_t'
// pConnectionData : BYTE* -> 'uint8_t *'
// dwSizeofUserData : DWORD -> 'uint32_t'
// pUserData : BYTE* -> 'uint8_t *'
// dwMaxSendPacketSize : DWORD -> 'uint32_t'
// pConnectionId : GUID* optional -> 'void *'
// func : NotificationHandler optional -> 'void *'
// pContextData : void* optional -> 'void *'
// pSessionId : DWORD* out -> 'uint32_t *'
// ppEapError : EAP_ERROR** out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("eappprxy.dll", {
  EapHostPeerBeginSession: { parameters: ["u32", "buffer", "pointer", "pointer", "u32", "pointer", "u32", "pointer", "u32", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.EapHostPeerBeginSession(dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError)
// dwFlags : DWORD -> "u32"
// eapType : EAP_METHOD_TYPE -> "buffer"
// pAttributeArray : EAP_ATTRIBUTES* -> "pointer"
// hTokenImpersonateUser : HANDLE -> "pointer"
// dwSizeofConnectionData : DWORD -> "u32"
// pConnectionData : BYTE* -> "pointer"
// dwSizeofUserData : DWORD -> "u32"
// pUserData : BYTE* -> "pointer"
// dwMaxSendPacketSize : DWORD -> "u32"
// pConnectionId : GUID* optional -> "pointer"
// func : NotificationHandler optional -> "pointer"
// pContextData : void* optional -> "pointer"
// pSessionId : DWORD* out -> "pointer"
// ppEapError : EAP_ERROR** 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
uint32_t EapHostPeerBeginSession(
    uint32_t dwFlags,
    EAP_METHOD_TYPE eapType,
    void* pAttributeArray,
    void* hTokenImpersonateUser,
    uint32_t dwSizeofConnectionData,
    uint8_t* pConnectionData,
    uint32_t dwSizeofUserData,
    uint8_t* pUserData,
    uint32_t dwMaxSendPacketSize,
    void* pConnectionId,
    void* func,
    void* pContextData,
    uint32_t* pSessionId,
    void* ppEapError);
C, "eappprxy.dll");
// $ffi->EapHostPeerBeginSession(dwFlags, eapType, pAttributeArray, hTokenImpersonateUser, dwSizeofConnectionData, pConnectionData, dwSizeofUserData, pUserData, dwMaxSendPacketSize, pConnectionId, func, pContextData, pSessionId, ppEapError);
// dwFlags : DWORD
// eapType : EAP_METHOD_TYPE
// pAttributeArray : EAP_ATTRIBUTES*
// hTokenImpersonateUser : HANDLE
// dwSizeofConnectionData : DWORD
// pConnectionData : BYTE*
// dwSizeofUserData : DWORD
// pUserData : BYTE*
// dwMaxSendPacketSize : DWORD
// pConnectionId : GUID* optional
// func : NotificationHandler optional
// pContextData : void* optional
// pSessionId : DWORD* out
// ppEapError : EAP_ERROR** 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 Eappprxy extends StdCallLibrary {
    Eappprxy INSTANCE = Native.load("eappprxy", Eappprxy.class);
    int EapHostPeerBeginSession(
        int dwFlags,   // DWORD
        EAP_METHOD_TYPE /* extends Structure (by value) */ eapType,   // EAP_METHOD_TYPE
        Pointer pAttributeArray,   // EAP_ATTRIBUTES*
        Pointer hTokenImpersonateUser,   // HANDLE
        int dwSizeofConnectionData,   // DWORD
        byte[] pConnectionData,   // BYTE*
        int dwSizeofUserData,   // DWORD
        byte[] pUserData,   // BYTE*
        int dwMaxSendPacketSize,   // DWORD
        Pointer pConnectionId,   // GUID* optional
        Callback func,   // NotificationHandler optional
        Pointer pContextData,   // void* optional
        IntByReference pSessionId,   // DWORD* out
        Pointer ppEapError   // EAP_ERROR** out
    );
}

@[Link("eappprxy")]
lib Libeappprxy
  fun EapHostPeerBeginSession = EapHostPeerBeginSession(
    dwFlags : UInt32,   # DWORD
    eapType : EAP_METHOD_TYPE,   # EAP_METHOD_TYPE
    pAttributeArray : EAP_ATTRIBUTES*,   # EAP_ATTRIBUTES*
    hTokenImpersonateUser : Void*,   # HANDLE
    dwSizeofConnectionData : UInt32,   # DWORD
    pConnectionData : UInt8*,   # BYTE*
    dwSizeofUserData : UInt32,   # DWORD
    pUserData : UInt8*,   # BYTE*
    dwMaxSendPacketSize : UInt32,   # DWORD
    pConnectionId : GUID*,   # GUID* optional
    func : Void*,   # NotificationHandler optional
    pContextData : Void*,   # void* optional
    pSessionId : UInt32*,   # DWORD* out
    ppEapError : EAP_ERROR**   # EAP_ERROR** 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 EapHostPeerBeginSessionNative = Uint32 Function(Uint32, EAP_METHOD_TYPE, Pointer<Void>, Pointer<Void>, Uint32, Pointer<Uint8>, Uint32, Pointer<Uint8>, Uint32, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef EapHostPeerBeginSessionDart = int Function(int, int, Pointer<Void>, Pointer<Void>, int, Pointer<Uint8>, int, Pointer<Uint8>, int, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final EapHostPeerBeginSession = DynamicLibrary.open('eappprxy.dll')
    .lookupFunction<EapHostPeerBeginSessionNative, EapHostPeerBeginSessionDart>('EapHostPeerBeginSession');
// dwFlags : DWORD -> Uint32
// eapType : EAP_METHOD_TYPE -> EAP_METHOD_TYPE
// pAttributeArray : EAP_ATTRIBUTES* -> Pointer<Void>
// hTokenImpersonateUser : HANDLE -> Pointer<Void>
// dwSizeofConnectionData : DWORD -> Uint32
// pConnectionData : BYTE* -> Pointer<Uint8>
// dwSizeofUserData : DWORD -> Uint32
// pUserData : BYTE* -> Pointer<Uint8>
// dwMaxSendPacketSize : DWORD -> Uint32
// pConnectionId : GUID* optional -> Pointer<Void>
// func : NotificationHandler optional -> Pointer<Void>
// pContextData : void* optional -> Pointer<Void>
// pSessionId : DWORD* out -> Pointer<Uint32>
// ppEapError : EAP_ERROR** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function EapHostPeerBeginSession(
  dwFlags: DWORD;   // DWORD
  eapType: EAP_METHOD_TYPE;   // EAP_METHOD_TYPE
  pAttributeArray: Pointer;   // EAP_ATTRIBUTES*
  hTokenImpersonateUser: THandle;   // HANDLE
  dwSizeofConnectionData: DWORD;   // DWORD
  pConnectionData: Pointer;   // BYTE*
  dwSizeofUserData: DWORD;   // DWORD
  pUserData: Pointer;   // BYTE*
  dwMaxSendPacketSize: DWORD;   // DWORD
  pConnectionId: PGUID;   // GUID* optional
  func: Pointer;   // NotificationHandler optional
  pContextData: Pointer;   // void* optional
  pSessionId: Pointer;   // DWORD* out
  ppEapError: Pointer   // EAP_ERROR** out
): DWORD; stdcall;
  external 'eappprxy.dll' name 'EapHostPeerBeginSession';

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

foreign import stdcall safe "EapHostPeerBeginSession"
  c_EapHostPeerBeginSession :: Word32 -> EAP_METHOD_TYPE -> Ptr () -> Ptr () -> Word32 -> Ptr Word8 -> Word32 -> Ptr Word8 -> Word32 -> Ptr () -> Ptr () -> Ptr () -> Ptr Word32 -> Ptr () -> IO Word32
-- dwFlags : DWORD -> Word32
-- eapType : EAP_METHOD_TYPE -> EAP_METHOD_TYPE
-- pAttributeArray : EAP_ATTRIBUTES* -> Ptr ()
-- hTokenImpersonateUser : HANDLE -> Ptr ()
-- dwSizeofConnectionData : DWORD -> Word32
-- pConnectionData : BYTE* -> Ptr Word8
-- dwSizeofUserData : DWORD -> Word32
-- pUserData : BYTE* -> Ptr Word8
-- dwMaxSendPacketSize : DWORD -> Word32
-- pConnectionId : GUID* optional -> Ptr ()
-- func : NotificationHandler optional -> Ptr ()
-- pContextData : void* optional -> Ptr ()
-- pSessionId : DWORD* out -> Ptr Word32
-- ppEapError : EAP_ERROR** 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。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。

open Ctypes
open Foreign

let eaphostpeerbeginsession =
  foreign "EapHostPeerBeginSession"
    (uint32_t @-> EAP_METHOD_TYPE @-> (ptr void) @-> (ptr void) @-> uint32_t @-> (ptr uint8_t) @-> uint32_t @-> (ptr uint8_t) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning uint32_t)
(* dwFlags : DWORD -> uint32_t *)
(* eapType : EAP_METHOD_TYPE -> EAP_METHOD_TYPE *)
(* pAttributeArray : EAP_ATTRIBUTES* -> (ptr void) *)
(* hTokenImpersonateUser : HANDLE -> (ptr void) *)
(* dwSizeofConnectionData : DWORD -> uint32_t *)
(* pConnectionData : BYTE* -> (ptr uint8_t) *)
(* dwSizeofUserData : DWORD -> uint32_t *)
(* pUserData : BYTE* -> (ptr uint8_t) *)
(* dwMaxSendPacketSize : DWORD -> uint32_t *)
(* pConnectionId : GUID* optional -> (ptr void) *)
(* func : NotificationHandler optional -> (ptr void) *)
(* pContextData : void* optional -> (ptr void) *)
(* pSessionId : DWORD* out -> (ptr uint32_t) *)
(* ppEapError : EAP_ERROR** 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 eappprxy (t "eappprxy.dll"))
(cffi:use-foreign-library eappprxy)

(cffi:defcfun ("EapHostPeerBeginSession" eap-host-peer-begin-session :convention :stdcall) :uint32
  (dw-flags :uint32)   ; DWORD
  (eap-type (:struct eap-method-type))   ; EAP_METHOD_TYPE
  (p-attribute-array :pointer)   ; EAP_ATTRIBUTES*
  (h-token-impersonate-user :pointer)   ; HANDLE
  (dw-sizeof-connection-data :uint32)   ; DWORD
  (p-connection-data :pointer)   ; BYTE*
  (dw-sizeof-user-data :uint32)   ; DWORD
  (p-user-data :pointer)   ; BYTE*
  (dw-max-send-packet-size :uint32)   ; DWORD
  (p-connection-id :pointer)   ; GUID* optional
  (func :pointer)   ; NotificationHandler optional
  (p-context-data :pointer)   ; void* optional
  (p-session-id :pointer)   ; DWORD* out
  (pp-eap-error :pointer))   ; EAP_ERROR** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $EapHostPeerBeginSession = Win32::API::More->new('eappprxy',
    'DWORD EapHostPeerBeginSession(DWORD dwFlags, LPVOID eapType, LPVOID pAttributeArray, HANDLE hTokenImpersonateUser, DWORD dwSizeofConnectionData, LPVOID pConnectionData, DWORD dwSizeofUserData, LPVOID pUserData, DWORD dwMaxSendPacketSize, LPVOID pConnectionId, LPVOID func, LPVOID pContextData, LPVOID pSessionId, LPVOID ppEapError)');
# my $ret = $EapHostPeerBeginSession->Call($dwFlags, $eapType, $pAttributeArray, $hTokenImpersonateUser, $dwSizeofConnectionData, $pConnectionData, $dwSizeofUserData, $pUserData, $dwMaxSendPacketSize, $pConnectionId, $func, $pContextData, $pSessionId, $ppEapError);
# dwFlags : DWORD -> DWORD
# eapType : EAP_METHOD_TYPE -> LPVOID
# pAttributeArray : EAP_ATTRIBUTES* -> LPVOID
# hTokenImpersonateUser : HANDLE -> HANDLE
# dwSizeofConnectionData : DWORD -> DWORD
# pConnectionData : BYTE* -> LPVOID
# dwSizeofUserData : DWORD -> DWORD
# pUserData : BYTE* -> LPVOID
# dwMaxSendPacketSize : DWORD -> DWORD
# pConnectionId : GUID* optional -> LPVOID
# func : NotificationHandler optional -> LPVOID
# pContextData : void* optional -> LPVOID
# pSessionId : DWORD* out -> LPVOID
# ppEapError : EAP_ERROR** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。