ホーム › NetworkManagement.IpHelper › IpReleaseAddress

IpReleaseAddress

関数

指定アダプターのDHCPで取得したIPアドレスを解放する。

DLLIPHLPAPI.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

DWORD IpReleaseAddress(
    IP_ADAPTER_INDEX_MAP* AdapterInfo
);

パラメーター

名前	型	方向
AdapterInfo	IP_ADAPTER_INDEX_MAP*	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD IpReleaseAddress(
    IP_ADAPTER_INDEX_MAP* AdapterInfo
);

[DllImport("IPHLPAPI.dll", ExactSpelling = true)]
static extern uint IpReleaseAddress(
    IntPtr AdapterInfo   // IP_ADAPTER_INDEX_MAP*
);

<DllImport("IPHLPAPI.dll", ExactSpelling:=True)>
Public Shared Function IpReleaseAddress(
    AdapterInfo As IntPtr   ' IP_ADAPTER_INDEX_MAP*
) As UInteger
End Function

' AdapterInfo : IP_ADAPTER_INDEX_MAP*
Declare PtrSafe Function IpReleaseAddress Lib "iphlpapi" ( _
    ByVal AdapterInfo 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

IpReleaseAddress = ctypes.windll.iphlpapi.IpReleaseAddress
IpReleaseAddress.restype = wintypes.DWORD
IpReleaseAddress.argtypes = [
    ctypes.c_void_p,  # AdapterInfo : IP_ADAPTER_INDEX_MAP*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('IPHLPAPI.dll')
IpReleaseAddress = Fiddle::Function.new(
  lib['IpReleaseAddress'],
  [
    Fiddle::TYPE_VOIDP,  # AdapterInfo : IP_ADAPTER_INDEX_MAP*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iphlpapi")]
extern "system" {
    fn IpReleaseAddress(
        AdapterInfo: *mut IP_ADAPTER_INDEX_MAP  // IP_ADAPTER_INDEX_MAP*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("IPHLPAPI.dll")]
public static extern uint IpReleaseAddress(IntPtr AdapterInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'IPHLPAPI_IpReleaseAddress' -Namespace Win32 -PassThru
# $api::IpReleaseAddress(AdapterInfo)

#uselib "IPHLPAPI.dll"
#func global IpReleaseAddress "IpReleaseAddress" sptr
; IpReleaseAddress varptr(AdapterInfo)   ; 戻り値は stat
; AdapterInfo : IP_ADAPTER_INDEX_MAP* -> "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。

出力引数:

#uselib "IPHLPAPI.dll"
#cfunc global IpReleaseAddress "IpReleaseAddress" var
; res = IpReleaseAddress(AdapterInfo)
; AdapterInfo : IP_ADAPTER_INDEX_MAP* -> "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。#uselib "IPHLPAPI.dll"
#cfunc global IpReleaseAddress "IpReleaseAddress" sptr
; res = IpReleaseAddress(varptr(AdapterInfo))
; AdapterInfo : IP_ADAPTER_INDEX_MAP* -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD IpReleaseAddress(IP_ADAPTER_INDEX_MAP* AdapterInfo)
#uselib "IPHLPAPI.dll"
#cfunc global IpReleaseAddress "IpReleaseAddress" var
; res = IpReleaseAddress(AdapterInfo)
; AdapterInfo : IP_ADAPTER_INDEX_MAP* -> "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 IpReleaseAddress(IP_ADAPTER_INDEX_MAP* AdapterInfo)
#uselib "IPHLPAPI.dll"
#cfunc global IpReleaseAddress "IpReleaseAddress" intptr
; res = IpReleaseAddress(varptr(AdapterInfo))
; AdapterInfo : IP_ADAPTER_INDEX_MAP* -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	iphlpapi = windows.NewLazySystemDLL("IPHLPAPI.dll")
	procIpReleaseAddress = iphlpapi.NewProc("IpReleaseAddress")
)

// AdapterInfo (IP_ADAPTER_INDEX_MAP*)
r1, _, err := procIpReleaseAddress.Call(
	uintptr(AdapterInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function IpReleaseAddress(
  AdapterInfo: Pointer   // IP_ADAPTER_INDEX_MAP*
): DWORD; stdcall;
  external 'IPHLPAPI.dll' name 'IpReleaseAddress';

result := DllCall("IPHLPAPI\IpReleaseAddress"
    , "Ptr", AdapterInfo   ; IP_ADAPTER_INDEX_MAP*
    , "UInt")   ; return: DWORD

●IpReleaseAddress(AdapterInfo) = DLL("IPHLPAPI.dll", "dword IpReleaseAddress(void*)")
# 呼び出し: IpReleaseAddress(AdapterInfo)
# AdapterInfo : IP_ADAPTER_INDEX_MAP* -> "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)。