EapHostPeerProcessReceivedPacket

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

DWORD EapHostPeerProcessReceivedPacket(
    DWORD sessionHandle,
    DWORD cbReceivePacket,
    const BYTE* pReceivePacket,
    EapHostPeerResponseAction* pEapOutput,
    EAP_ERROR** ppEapError
);

<DllImport("eappprxy.dll", ExactSpelling:=True)>
Public Shared Function EapHostPeerProcessReceivedPacket(
    sessionHandle As UInteger,   ' DWORD
    cbReceivePacket As UInteger,   ' DWORD
    pReceivePacket As IntPtr,   ' BYTE*
    <Out> ByRef pEapOutput As Integer,   ' EapHostPeerResponseAction* out
    ppEapError As IntPtr   ' EAP_ERROR** out
) As UInteger
End Function

' sessionHandle : DWORD
' cbReceivePacket : DWORD
' pReceivePacket : BYTE*
' pEapOutput : EapHostPeerResponseAction* out
' ppEapError : EAP_ERROR** out
Declare PtrSafe Function EapHostPeerProcessReceivedPacket Lib "eappprxy" ( _
    ByVal sessionHandle As Long, _
    ByVal cbReceivePacket As Long, _
    ByVal pReceivePacket As LongPtr, _
    ByRef pEapOutput 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

EapHostPeerProcessReceivedPacket = ctypes.windll.eappprxy.EapHostPeerProcessReceivedPacket
EapHostPeerProcessReceivedPacket.restype = wintypes.DWORD
EapHostPeerProcessReceivedPacket.argtypes = [
    wintypes.DWORD,  # sessionHandle : DWORD
    wintypes.DWORD,  # cbReceivePacket : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pReceivePacket : BYTE*
    ctypes.c_void_p,  # pEapOutput : EapHostPeerResponseAction* out
    ctypes.c_void_p,  # ppEapError : EAP_ERROR** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('eappprxy.dll')
EapHostPeerProcessReceivedPacket = Fiddle::Function.new(
  lib['EapHostPeerProcessReceivedPacket'],
  [
    -Fiddle::TYPE_INT,  # sessionHandle : DWORD
    -Fiddle::TYPE_INT,  # cbReceivePacket : DWORD
    Fiddle::TYPE_VOIDP,  # pReceivePacket : BYTE*
    Fiddle::TYPE_VOIDP,  # pEapOutput : EapHostPeerResponseAction* out
    Fiddle::TYPE_VOIDP,  # ppEapError : EAP_ERROR** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "eappprxy")]
extern "system" {
    fn EapHostPeerProcessReceivedPacket(
        sessionHandle: u32,  // DWORD
        cbReceivePacket: u32,  // DWORD
        pReceivePacket: *const u8,  // BYTE*
        pEapOutput: *mut i32,  // EapHostPeerResponseAction* 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 EapHostPeerProcessReceivedPacket(uint sessionHandle, uint cbReceivePacket, IntPtr pReceivePacket, out int pEapOutput, IntPtr ppEapError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'eappprxy_EapHostPeerProcessReceivedPacket' -Namespace Win32 -PassThru
# $api::EapHostPeerProcessReceivedPacket(sessionHandle, cbReceivePacket, pReceivePacket, pEapOutput, ppEapError)

#uselib "eappprxy.dll"
#func global EapHostPeerProcessReceivedPacket "EapHostPeerProcessReceivedPacket" sptr, sptr, sptr, sptr, sptr
; EapHostPeerProcessReceivedPacket sessionHandle, cbReceivePacket, varptr(pReceivePacket), pEapOutput, varptr(ppEapError)   ; 戻り値は stat
; sessionHandle : DWORD -> "sptr"
; cbReceivePacket : DWORD -> "sptr"
; pReceivePacket : BYTE* -> "sptr"
; pEapOutput : EapHostPeerResponseAction* out -> "sptr"
; ppEapError : EAP_ERROR** 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。

#uselib "eappprxy.dll"
#cfunc global EapHostPeerProcessReceivedPacket "EapHostPeerProcessReceivedPacket" int, int, var, int, var
; res = EapHostPeerProcessReceivedPacket(sessionHandle, cbReceivePacket, pReceivePacket, pEapOutput, ppEapError)
; sessionHandle : DWORD -> "int"
; cbReceivePacket : DWORD -> "int"
; pReceivePacket : BYTE* -> "var"
; pEapOutput : EapHostPeerResponseAction* out -> "int"
; ppEapError : EAP_ERROR** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD EapHostPeerProcessReceivedPacket(DWORD sessionHandle, DWORD cbReceivePacket, BYTE* pReceivePacket, EapHostPeerResponseAction* pEapOutput, EAP_ERROR** ppEapError)
#uselib "eappprxy.dll"
#cfunc global EapHostPeerProcessReceivedPacket "EapHostPeerProcessReceivedPacket" int, int, var, int, var
; res = EapHostPeerProcessReceivedPacket(sessionHandle, cbReceivePacket, pReceivePacket, pEapOutput, ppEapError)
; sessionHandle : DWORD -> "int"
; cbReceivePacket : DWORD -> "int"
; pReceivePacket : BYTE* -> "var"
; pEapOutput : EapHostPeerResponseAction* out -> "int"
; ppEapError : EAP_ERROR** out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	eappprxy = windows.NewLazySystemDLL("eappprxy.dll")
	procEapHostPeerProcessReceivedPacket = eappprxy.NewProc("EapHostPeerProcessReceivedPacket")
)

// sessionHandle (DWORD), cbReceivePacket (DWORD), pReceivePacket (BYTE*), pEapOutput (EapHostPeerResponseAction* out), ppEapError (EAP_ERROR** out)
r1, _, err := procEapHostPeerProcessReceivedPacket.Call(
	uintptr(sessionHandle),
	uintptr(cbReceivePacket),
	uintptr(pReceivePacket),
	uintptr(pEapOutput),
	uintptr(ppEapError),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EapHostPeerProcessReceivedPacket(
  sessionHandle: DWORD;   // DWORD
  cbReceivePacket: DWORD;   // DWORD
  pReceivePacket: Pointer;   // BYTE*
  pEapOutput: Pointer;   // EapHostPeerResponseAction* out
  ppEapError: Pointer   // EAP_ERROR** out
): DWORD; stdcall;
  external 'eappprxy.dll' name 'EapHostPeerProcessReceivedPacket';

result := DllCall("eappprxy\EapHostPeerProcessReceivedPacket"
    , "UInt", sessionHandle   ; DWORD
    , "UInt", cbReceivePacket   ; DWORD
    , "Ptr", pReceivePacket   ; BYTE*
    , "Ptr", pEapOutput   ; EapHostPeerResponseAction* out
    , "Ptr", ppEapError   ; EAP_ERROR** out
    , "UInt")   ; return: DWORD

●EapHostPeerProcessReceivedPacket(sessionHandle, cbReceivePacket, pReceivePacket, pEapOutput, ppEapError) = DLL("eappprxy.dll", "dword EapHostPeerProcessReceivedPacket(dword, dword, void*, void*, void*)")
# 呼び出し: EapHostPeerProcessReceivedPacket(sessionHandle, cbReceivePacket, pReceivePacket, pEapOutput, ppEapError)
# sessionHandle : DWORD -> "dword"
# cbReceivePacket : DWORD -> "dword"
# pReceivePacket : BYTE* -> "void*"
# pEapOutput : EapHostPeerResponseAction* 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)。