EapHostPeerGetSendPacket

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

DWORD EapHostPeerGetSendPacket(
    DWORD sessionHandle,
    DWORD* pcbSendPacket,
    BYTE** ppSendPacket,
    EAP_ERROR** ppEapError
);

<DllImport("eappprxy.dll", ExactSpelling:=True)>
Public Shared Function EapHostPeerGetSendPacket(
    sessionHandle As UInteger,   ' DWORD
    <Out> ByRef pcbSendPacket As UInteger,   ' DWORD* out
    ppSendPacket As IntPtr,   ' BYTE** out
    ppEapError As IntPtr   ' EAP_ERROR** out
) As UInteger
End Function

' sessionHandle : DWORD
' pcbSendPacket : DWORD* out
' ppSendPacket : BYTE** out
' ppEapError : EAP_ERROR** out
Declare PtrSafe Function EapHostPeerGetSendPacket Lib "eappprxy" ( _
    ByVal sessionHandle As Long, _
    ByRef pcbSendPacket As Long, _
    ByVal ppSendPacket As LongPtr, _
    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

EapHostPeerGetSendPacket = ctypes.windll.eappprxy.EapHostPeerGetSendPacket
EapHostPeerGetSendPacket.restype = wintypes.DWORD
EapHostPeerGetSendPacket.argtypes = [
    wintypes.DWORD,  # sessionHandle : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbSendPacket : DWORD* out
    ctypes.c_void_p,  # ppSendPacket : BYTE** out
    ctypes.c_void_p,  # ppEapError : EAP_ERROR** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('eappprxy.dll')
EapHostPeerGetSendPacket = Fiddle::Function.new(
  lib['EapHostPeerGetSendPacket'],
  [
    -Fiddle::TYPE_INT,  # sessionHandle : DWORD
    Fiddle::TYPE_VOIDP,  # pcbSendPacket : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppSendPacket : BYTE** out
    Fiddle::TYPE_VOIDP,  # ppEapError : EAP_ERROR** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "eappprxy")]
extern "system" {
    fn EapHostPeerGetSendPacket(
        sessionHandle: u32,  // DWORD
        pcbSendPacket: *mut u32,  // DWORD* out
        ppSendPacket: *mut *mut u8,  // BYTE** 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 EapHostPeerGetSendPacket(uint sessionHandle, out uint pcbSendPacket, IntPtr ppSendPacket, IntPtr ppEapError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'eappprxy_EapHostPeerGetSendPacket' -Namespace Win32 -PassThru
# $api::EapHostPeerGetSendPacket(sessionHandle, pcbSendPacket, ppSendPacket, ppEapError)

#uselib "eappprxy.dll"
#func global EapHostPeerGetSendPacket "EapHostPeerGetSendPacket" sptr, sptr, sptr, sptr
; EapHostPeerGetSendPacket sessionHandle, varptr(pcbSendPacket), varptr(ppSendPacket), varptr(ppEapError)   ; 戻り値は stat
; sessionHandle : DWORD -> "sptr"
; pcbSendPacket : DWORD* out -> "sptr"
; ppSendPacket : BYTE** 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 EapHostPeerGetSendPacket "EapHostPeerGetSendPacket" int, var, var, var
; res = EapHostPeerGetSendPacket(sessionHandle, pcbSendPacket, ppSendPacket, ppEapError)
; sessionHandle : DWORD -> "int"
; pcbSendPacket : DWORD* out -> "var"
; ppSendPacket : BYTE** out -> "var"
; 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 EapHostPeerGetSendPacket(DWORD sessionHandle, DWORD* pcbSendPacket, BYTE** ppSendPacket, EAP_ERROR** ppEapError)
#uselib "eappprxy.dll"
#cfunc global EapHostPeerGetSendPacket "EapHostPeerGetSendPacket" int, var, var, var
; res = EapHostPeerGetSendPacket(sessionHandle, pcbSendPacket, ppSendPacket, ppEapError)
; sessionHandle : DWORD -> "int"
; pcbSendPacket : DWORD* out -> "var"
; ppSendPacket : BYTE** out -> "var"
; 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")
	procEapHostPeerGetSendPacket = eappprxy.NewProc("EapHostPeerGetSendPacket")
)

// sessionHandle (DWORD), pcbSendPacket (DWORD* out), ppSendPacket (BYTE** out), ppEapError (EAP_ERROR** out)
r1, _, err := procEapHostPeerGetSendPacket.Call(
	uintptr(sessionHandle),
	uintptr(pcbSendPacket),
	uintptr(ppSendPacket),
	uintptr(ppEapError),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EapHostPeerGetSendPacket(
  sessionHandle: DWORD;   // DWORD
  pcbSendPacket: Pointer;   // DWORD* out
  ppSendPacket: Pointer;   // BYTE** out
  ppEapError: Pointer   // EAP_ERROR** out
): DWORD; stdcall;
  external 'eappprxy.dll' name 'EapHostPeerGetSendPacket';

result := DllCall("eappprxy\EapHostPeerGetSendPacket"
    , "UInt", sessionHandle   ; DWORD
    , "Ptr", pcbSendPacket   ; DWORD* out
    , "Ptr", ppSendPacket   ; BYTE** out
    , "Ptr", ppEapError   ; EAP_ERROR** out
    , "UInt")   ; return: DWORD

●EapHostPeerGetSendPacket(sessionHandle, pcbSendPacket, ppSendPacket, ppEapError) = DLL("eappprxy.dll", "dword EapHostPeerGetSendPacket(dword, void*, void*, void*)")
# 呼び出し: EapHostPeerGetSendPacket(sessionHandle, pcbSendPacket, ppSendPacket, ppEapError)
# sessionHandle : DWORD -> "dword"
# pcbSendPacket : DWORD* out -> "void*"
# ppSendPacket : BYTE** 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)。