NotifyRouteChange

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

DWORD NotifyRouteChange(
    HANDLE* Handle,
    OVERLAPPED* overlapped
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function NotifyRouteChange(
    Handle As IntPtr,   ' HANDLE* out
    overlapped As IntPtr   ' OVERLAPPED*
) As UInteger
End Function

' Handle : HANDLE* out
' overlapped : OVERLAPPED*
Declare PtrSafe Function NotifyRouteChange Lib "iphlpapi" ( _
    ByVal Handle As LongPtr, _
    ByVal overlapped 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

NotifyRouteChange = ctypes.windll.iphlpapi.NotifyRouteChange
NotifyRouteChange.restype = wintypes.DWORD
NotifyRouteChange.argtypes = [
    ctypes.c_void_p,  # Handle : HANDLE* out
    ctypes.c_void_p,  # overlapped : OVERLAPPED*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
NotifyRouteChange = Fiddle::Function.new(
  lib['NotifyRouteChange'],
  [
    Fiddle::TYPE_VOIDP,  # Handle : HANDLE* out
    Fiddle::TYPE_VOIDP,  # overlapped : OVERLAPPED*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn NotifyRouteChange(
        Handle: *mut *mut core::ffi::c_void,  // HANDLE* out
        overlapped: *mut OVERLAPPED  // OVERLAPPED*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint NotifyRouteChange(IntPtr Handle, IntPtr overlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_NotifyRouteChange' -Namespace Win32 -PassThru
# $api::NotifyRouteChange(Handle, overlapped)

#uselib "IPHLPAPI.dll"
#func global NotifyRouteChange "NotifyRouteChange" sptr, sptr
; NotifyRouteChange Handle, varptr(overlapped)   ; 戻り値は stat
; Handle : HANDLE* out -> "sptr"
; overlapped : OVERLAPPED* -> "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 "IPHLPAPI.dll"
#cfunc global NotifyRouteChange "NotifyRouteChange" sptr, var
; res = NotifyRouteChange(Handle, overlapped)
; Handle : HANDLE* out -> "sptr"
; overlapped : OVERLAPPED* -> "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 NotifyRouteChange(HANDLE* Handle, OVERLAPPED* overlapped)
#uselib "IPHLPAPI.dll"
#cfunc global NotifyRouteChange "NotifyRouteChange" intptr, var
; res = NotifyRouteChange(Handle, overlapped)
; Handle : HANDLE* out -> "intptr"
; overlapped : OVERLAPPED* -> "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 (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procNotifyRouteChange = iphlpapi.NewProc("NotifyRouteChange")
)

// Handle (HANDLE* out), overlapped (OVERLAPPED*)
r1, _, err := procNotifyRouteChange.Call(
	uintptr(Handle),
	uintptr(overlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NotifyRouteChange(
  Handle: Pointer;   // HANDLE* out
  overlapped: Pointer   // OVERLAPPED*
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'NotifyRouteChange';

result := DllCall("IPHLPAPI\NotifyRouteChange"
    , "Ptr", Handle   ; HANDLE* out
    , "Ptr", overlapped   ; OVERLAPPED*
    , "UInt")   ; return: DWORD

●NotifyRouteChange(Handle, overlapped) = DLL("IPHLPAPI.dll", "dword NotifyRouteChange(void*, void*)")
# 呼び出し: NotifyRouteChange(Handle, overlapped)
# Handle : HANDLE* out -> "void*"
# overlapped : OVERLAPPED* -> "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)。