WSAProviderConfigChange

// WS2_32.dll
#include <windows.h>

INT WSAProviderConfigChange(
    HANDLE* lpNotificationHandle,
    OVERLAPPED* lpOverlapped,   // optional
    LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine   // optional
);

<DllImport("WS2_32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSAProviderConfigChange(
    lpNotificationHandle As IntPtr,   ' HANDLE* in/out
    lpOverlapped As IntPtr,   ' OVERLAPPED* optional, in/out
    lpCompletionRoutine As IntPtr   ' LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
) As Integer
End Function

' lpNotificationHandle : HANDLE* in/out
' lpOverlapped : OVERLAPPED* optional, in/out
' lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
Declare PtrSafe Function WSAProviderConfigChange Lib "ws2_32" ( _
    ByVal lpNotificationHandle As LongPtr, _
    ByVal lpOverlapped As LongPtr, _
    ByVal lpCompletionRoutine 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

WSAProviderConfigChange = ctypes.windll.ws2_32.WSAProviderConfigChange
WSAProviderConfigChange.restype = ctypes.c_int
WSAProviderConfigChange.argtypes = [
    ctypes.c_void_p,  # lpNotificationHandle : HANDLE* in/out
    ctypes.c_void_p,  # lpOverlapped : OVERLAPPED* optional, in/out
    ctypes.c_void_p,  # lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSAProviderConfigChange = Fiddle::Function.new(
  lib['WSAProviderConfigChange'],
  [
    Fiddle::TYPE_VOIDP,  # lpNotificationHandle : HANDLE* in/out
    Fiddle::TYPE_VOIDP,  # lpOverlapped : OVERLAPPED* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSAProviderConfigChange(
        lpNotificationHandle: *mut *mut core::ffi::c_void,  // HANDLE* in/out
        lpOverlapped: *mut OVERLAPPED,  // OVERLAPPED* optional, in/out
        lpCompletionRoutine: *const core::ffi::c_void  // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll", SetLastError = true)]
public static extern int WSAProviderConfigChange(IntPtr lpNotificationHandle, IntPtr lpOverlapped, IntPtr lpCompletionRoutine);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSAProviderConfigChange' -Namespace Win32 -PassThru
# $api::WSAProviderConfigChange(lpNotificationHandle, lpOverlapped, lpCompletionRoutine)

#uselib "WS2_32.dll"
#func global WSAProviderConfigChange "WSAProviderConfigChange" sptr, sptr, sptr
; WSAProviderConfigChange lpNotificationHandle, varptr(lpOverlapped), lpCompletionRoutine   ; 戻り値は stat
; lpNotificationHandle : HANDLE* in/out -> "sptr"
; lpOverlapped : OVERLAPPED* optional, in/out -> "sptr"
; lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> "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 "WS2_32.dll"
#cfunc global WSAProviderConfigChange "WSAProviderConfigChange" sptr, var, sptr
; res = WSAProviderConfigChange(lpNotificationHandle, lpOverlapped, lpCompletionRoutine)
; lpNotificationHandle : HANDLE* in/out -> "sptr"
; lpOverlapped : OVERLAPPED* optional, in/out -> "var"
; lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> "sptr"
; ※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。

; INT WSAProviderConfigChange(HANDLE* lpNotificationHandle, OVERLAPPED* lpOverlapped, LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
#uselib "WS2_32.dll"
#cfunc global WSAProviderConfigChange "WSAProviderConfigChange" intptr, var, intptr
; res = WSAProviderConfigChange(lpNotificationHandle, lpOverlapped, lpCompletionRoutine)
; lpNotificationHandle : HANDLE* in/out -> "intptr"
; lpOverlapped : OVERLAPPED* optional, in/out -> "var"
; lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> "intptr"
; ※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 (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	procWSAProviderConfigChange = ws2_32.NewProc("WSAProviderConfigChange")
)

// lpNotificationHandle (HANDLE* in/out), lpOverlapped (OVERLAPPED* optional, in/out), lpCompletionRoutine (LPWSAOVERLAPPED_COMPLETION_ROUTINE optional)
r1, _, err := procWSAProviderConfigChange.Call(
	uintptr(lpNotificationHandle),
	uintptr(lpOverlapped),
	uintptr(lpCompletionRoutine),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WSAProviderConfigChange(
  lpNotificationHandle: Pointer;   // HANDLE* in/out
  lpOverlapped: Pointer;   // OVERLAPPED* optional, in/out
  lpCompletionRoutine: Pointer   // LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
): Integer; stdcall;
  external 'WS2_32.dll' name 'WSAProviderConfigChange';

result := DllCall("WS2_32\WSAProviderConfigChange"
    , "Ptr", lpNotificationHandle   ; HANDLE* in/out
    , "Ptr", lpOverlapped   ; OVERLAPPED* optional, in/out
    , "Ptr", lpCompletionRoutine   ; LPWSAOVERLAPPED_COMPLETION_ROUTINE optional
    , "Int")   ; return: INT

●WSAProviderConfigChange(lpNotificationHandle, lpOverlapped, lpCompletionRoutine) = DLL("WS2_32.dll", "int WSAProviderConfigChange(void*, void*, void*)")
# 呼び出し: WSAProviderConfigChange(lpNotificationHandle, lpOverlapped, lpCompletionRoutine)
# lpNotificationHandle : HANDLE* in/out -> "void*"
# lpOverlapped : OVERLAPPED* optional, in/out -> "void*"
# lpCompletionRoutine : LPWSAOVERLAPPED_COMPLETION_ROUTINE optional -> "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)。