UnenableRouter

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

DWORD UnenableRouter(
    OVERLAPPED* pOverlapped,
    DWORD* lpdwEnableCount   // optional
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function UnenableRouter(
    pOverlapped As IntPtr,   ' OVERLAPPED*
    lpdwEnableCount As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' pOverlapped : OVERLAPPED*
' lpdwEnableCount : DWORD* optional, out
Declare PtrSafe Function UnenableRouter Lib "iphlpapi" ( _
    ByVal pOverlapped As LongPtr, _
    ByVal lpdwEnableCount 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

UnenableRouter = ctypes.windll.iphlpapi.UnenableRouter
UnenableRouter.restype = wintypes.DWORD
UnenableRouter.argtypes = [
    ctypes.c_void_p,  # pOverlapped : OVERLAPPED*
    ctypes.POINTER(wintypes.DWORD),  # lpdwEnableCount : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
UnenableRouter = Fiddle::Function.new(
  lib['UnenableRouter'],
  [
    Fiddle::TYPE_VOIDP,  # pOverlapped : OVERLAPPED*
    Fiddle::TYPE_VOIDP,  # lpdwEnableCount : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn UnenableRouter(
        pOverlapped: *mut OVERLAPPED,  // OVERLAPPED*
        lpdwEnableCount: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "IPHLPAPI.dll"
#func global UnenableRouter "UnenableRouter" sptr, sptr
; UnenableRouter varptr(pOverlapped), varptr(lpdwEnableCount)   ; 戻り値は stat
; pOverlapped : OVERLAPPED* -> "sptr"
; lpdwEnableCount : DWORD* optional, 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 "IPHLPAPI.dll"
#cfunc global UnenableRouter "UnenableRouter" var, var
; res = UnenableRouter(pOverlapped, lpdwEnableCount)
; pOverlapped : OVERLAPPED* -> "var"
; lpdwEnableCount : DWORD* optional, 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 UnenableRouter(OVERLAPPED* pOverlapped, DWORD* lpdwEnableCount)
#uselib "IPHLPAPI.dll"
#cfunc global UnenableRouter "UnenableRouter" var, var
; res = UnenableRouter(pOverlapped, lpdwEnableCount)
; pOverlapped : OVERLAPPED* -> "var"
; lpdwEnableCount : DWORD* optional, 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 (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procUnenableRouter = iphlpapi.NewProc("UnenableRouter")
)

// pOverlapped (OVERLAPPED*), lpdwEnableCount (DWORD* optional, out)
r1, _, err := procUnenableRouter.Call(
	uintptr(pOverlapped),
	uintptr(lpdwEnableCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function UnenableRouter(
  pOverlapped: Pointer;   // OVERLAPPED*
  lpdwEnableCount: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'UnenableRouter';

result := DllCall("IPHLPAPI\UnenableRouter"
    , "Ptr", pOverlapped   ; OVERLAPPED*
    , "Ptr", lpdwEnableCount   ; DWORD* optional, out
    , "UInt")   ; return: DWORD

●UnenableRouter(pOverlapped, lpdwEnableCount) = DLL("IPHLPAPI.dll", "dword UnenableRouter(void*, void*)")
# 呼び出し: UnenableRouter(pOverlapped, lpdwEnableCount)
# pOverlapped : OVERLAPPED* -> "void*"
# lpdwEnableCount : DWORD* optional, 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)。