DhcpDeRegisterParamChange

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

DWORD DhcpDeRegisterParamChange(
    DWORD Flags,
    void* Reserved,
    void* Event
);

<DllImport("dhcpcsvc.dll", ExactSpelling:=True)>
Public Shared Function DhcpDeRegisterParamChange(
    Flags As UInteger,   ' DWORD
    Reserved As IntPtr,   ' void* in/out
    [Event] As IntPtr   ' void* in/out
) As UInteger
End Function

' Flags : DWORD
' Reserved : void* in/out
' Event : void* in/out
Declare PtrSafe Function DhcpDeRegisterParamChange Lib "dhcpcsvc" ( _
    ByVal Flags As Long, _
    ByVal Reserved As LongPtr, _
    ByVal Event 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

DhcpDeRegisterParamChange = ctypes.windll.dhcpcsvc.DhcpDeRegisterParamChange
DhcpDeRegisterParamChange.restype = wintypes.DWORD
DhcpDeRegisterParamChange.argtypes = [
    wintypes.DWORD,  # Flags : DWORD
    ctypes.POINTER(None),  # Reserved : void* in/out
    ctypes.POINTER(None),  # Event : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dhcpcsvc.dll')
DhcpDeRegisterParamChange = Fiddle::Function.new(
  lib['DhcpDeRegisterParamChange'],
  [
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # Reserved : void* in/out
    Fiddle::TYPE_VOIDP,  # Event : void* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpcsvc")]
extern "system" {
    fn DhcpDeRegisterParamChange(
        Flags: u32,  // DWORD
        Reserved: *mut (),  // void* in/out
        Event: *mut ()  // void* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dhcpcsvc.dll")]
public static extern uint DhcpDeRegisterParamChange(uint Flags, IntPtr Reserved, IntPtr Event);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dhcpcsvc_DhcpDeRegisterParamChange' -Namespace Win32 -PassThru
# $api::DhcpDeRegisterParamChange(Flags, Reserved, Event)

#uselib "dhcpcsvc.dll"
#func global DhcpDeRegisterParamChange "DhcpDeRegisterParamChange" sptr, sptr, sptr
; DhcpDeRegisterParamChange Flags, Reserved, Event   ; 戻り値は stat
; Flags : DWORD -> "sptr"
; Reserved : void* in/out -> "sptr"
; Event : void* in/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 "dhcpcsvc.dll"
#cfunc global DhcpDeRegisterParamChange "DhcpDeRegisterParamChange" int, sptr, sptr
; res = DhcpDeRegisterParamChange(Flags, Reserved, Event)
; Flags : DWORD -> "int"
; Reserved : void* in/out -> "sptr"
; Event : void* in/out -> "sptr"

; DWORD DhcpDeRegisterParamChange(DWORD Flags, void* Reserved, void* Event)
#uselib "dhcpcsvc.dll"
#cfunc global DhcpDeRegisterParamChange "DhcpDeRegisterParamChange" int, intptr, intptr
; res = DhcpDeRegisterParamChange(Flags, Reserved, Event)
; Flags : DWORD -> "int"
; Reserved : void* in/out -> "intptr"
; Event : void* in/out -> "intptr"

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

var (
	dhcpcsvc = windows.NewLazySystemDLL("dhcpcsvc.dll")
	procDhcpDeRegisterParamChange = dhcpcsvc.NewProc("DhcpDeRegisterParamChange")
)

// Flags (DWORD), Reserved (void* in/out), Event (void* in/out)
r1, _, err := procDhcpDeRegisterParamChange.Call(
	uintptr(Flags),
	uintptr(Reserved),
	uintptr(Event),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpDeRegisterParamChange(
  Flags: DWORD;   // DWORD
  Reserved: Pointer;   // void* in/out
  Event: Pointer   // void* in/out
): DWORD; stdcall;
  external 'dhcpcsvc.dll' name 'DhcpDeRegisterParamChange';

result := DllCall("dhcpcsvc\DhcpDeRegisterParamChange"
    , "UInt", Flags   ; DWORD
    , "Ptr", Reserved   ; void* in/out
    , "Ptr", Event   ; void* in/out
    , "UInt")   ; return: DWORD

●DhcpDeRegisterParamChange(Flags, Reserved, Event) = DLL("dhcpcsvc.dll", "dword DhcpDeRegisterParamChange(dword, void*, void*)")
# 呼び出し: DhcpDeRegisterParamChange(Flags, Reserved, Event)
# Flags : DWORD -> "dword"
# Reserved : void* in/out -> "void*"
# Event : void* in/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)。