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DhcpHlprResetV4PolicyExpr

関数

IPv4 DHCPポリシーの式と条件をリセットするヘルパー関数。

DLLDHCPSAPI.dll呼出規約winapi対応OSwindowsserver2012

シグネチャ

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

DWORD DhcpHlprResetV4PolicyExpr(
    DHCP_POLICY* Policy
);

パラメーター

名前	型	方向
Policy	DHCP_POLICY*	inout

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD DhcpHlprResetV4PolicyExpr(
    DHCP_POLICY* Policy
);

[DllImport("DHCPSAPI.dll", ExactSpelling = true)]
static extern uint DhcpHlprResetV4PolicyExpr(
    IntPtr Policy   // DHCP_POLICY* in/out
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpHlprResetV4PolicyExpr(
    Policy As IntPtr   ' DHCP_POLICY* in/out
) As UInteger
End Function

' Policy : DHCP_POLICY* in/out
Declare PtrSafe Function DhcpHlprResetV4PolicyExpr Lib "dhcpsapi" ( _
    ByVal Policy 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

DhcpHlprResetV4PolicyExpr = ctypes.windll.dhcpsapi.DhcpHlprResetV4PolicyExpr
DhcpHlprResetV4PolicyExpr.restype = wintypes.DWORD
DhcpHlprResetV4PolicyExpr.argtypes = [
    ctypes.c_void_p,  # Policy : DHCP_POLICY* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprResetV4PolicyExpr = Fiddle::Function.new(
  lib['DhcpHlprResetV4PolicyExpr'],
  [
    Fiddle::TYPE_VOIDP,  # Policy : DHCP_POLICY* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpHlprResetV4PolicyExpr(
        Policy: *mut DHCP_POLICY  // DHCP_POLICY* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern uint DhcpHlprResetV4PolicyExpr(IntPtr Policy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprResetV4PolicyExpr' -Namespace Win32 -PassThru
# $api::DhcpHlprResetV4PolicyExpr(Policy)

#uselib "DHCPSAPI.dll"
#func global DhcpHlprResetV4PolicyExpr "DhcpHlprResetV4PolicyExpr" sptr
; DhcpHlprResetV4PolicyExpr varptr(Policy)   ; 戻り値は stat
; Policy : DHCP_POLICY* 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。

出力引数:

#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprResetV4PolicyExpr "DhcpHlprResetV4PolicyExpr" var
; res = DhcpHlprResetV4PolicyExpr(Policy)
; Policy : DHCP_POLICY* in/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。#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprResetV4PolicyExpr "DhcpHlprResetV4PolicyExpr" sptr
; res = DhcpHlprResetV4PolicyExpr(varptr(Policy))
; Policy : DHCP_POLICY* in/out -> "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 DhcpHlprResetV4PolicyExpr(DHCP_POLICY* Policy)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprResetV4PolicyExpr "DhcpHlprResetV4PolicyExpr" var
; res = DhcpHlprResetV4PolicyExpr(Policy)
; Policy : DHCP_POLICY* in/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 DhcpHlprResetV4PolicyExpr(DHCP_POLICY* Policy)
#uselib "DHCPSAPI.dll"
#cfunc global DhcpHlprResetV4PolicyExpr "DhcpHlprResetV4PolicyExpr" intptr
; res = DhcpHlprResetV4PolicyExpr(varptr(Policy))
; Policy : DHCP_POLICY* in/out -> "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 (
	dhcpsapi = windows.NewLazySystemDLL("DHCPSAPI.dll")
	procDhcpHlprResetV4PolicyExpr = dhcpsapi.NewProc("DhcpHlprResetV4PolicyExpr")
)

// Policy (DHCP_POLICY* in/out)
r1, _, err := procDhcpHlprResetV4PolicyExpr.Call(
	uintptr(Policy),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DhcpHlprResetV4PolicyExpr(
  Policy: Pointer   // DHCP_POLICY* in/out
): DWORD; stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprResetV4PolicyExpr';

result := DllCall("DHCPSAPI\DhcpHlprResetV4PolicyExpr"
    , "Ptr", Policy   ; DHCP_POLICY* in/out
    , "UInt")   ; return: DWORD

●DhcpHlprResetV4PolicyExpr(Policy) = DLL("DHCPSAPI.dll", "dword DhcpHlprResetV4PolicyExpr(void*)")
# 呼び出し: DhcpHlprResetV4PolicyExpr(Policy)
# Policy : DHCP_POLICY* 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)。