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DhcpHlprFreeV4PolicyEx

関数

拡張IPv4 DHCPポリシー構造体のメモリを解放する。

DLLDHCPSAPI.dll呼出規約winapi

シグネチャ

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

void DhcpHlprFreeV4PolicyEx(
    DHCP_POLICY_EX* PolicyEx
);

パラメーター

名前	型	方向
PolicyEx	DHCP_POLICY_EX*	inout

戻り値の型: void

各言語での呼び出し定義

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

void DhcpHlprFreeV4PolicyEx(
    DHCP_POLICY_EX* PolicyEx
);

[DllImport("DHCPSAPI.dll", ExactSpelling = true)]
static extern void DhcpHlprFreeV4PolicyEx(
    IntPtr PolicyEx   // DHCP_POLICY_EX* in/out
);

<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Sub DhcpHlprFreeV4PolicyEx(
    PolicyEx As IntPtr   ' DHCP_POLICY_EX* in/out
)
End Sub

' PolicyEx : DHCP_POLICY_EX* in/out
Declare PtrSafe Sub DhcpHlprFreeV4PolicyEx Lib "dhcpsapi" ( _
    ByVal PolicyEx As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DhcpHlprFreeV4PolicyEx = ctypes.windll.dhcpsapi.DhcpHlprFreeV4PolicyEx
DhcpHlprFreeV4PolicyEx.restype = None
DhcpHlprFreeV4PolicyEx.argtypes = [
    ctypes.c_void_p,  # PolicyEx : DHCP_POLICY_EX* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprFreeV4PolicyEx = Fiddle::Function.new(
  lib['DhcpHlprFreeV4PolicyEx'],
  [
    Fiddle::TYPE_VOIDP,  # PolicyEx : DHCP_POLICY_EX* in/out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "dhcpsapi")]
extern "system" {
    fn DhcpHlprFreeV4PolicyEx(
        PolicyEx: *mut DHCP_POLICY_EX  // DHCP_POLICY_EX* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DHCPSAPI.dll")]
public static extern void DhcpHlprFreeV4PolicyEx(IntPtr PolicyEx);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprFreeV4PolicyEx' -Namespace Win32 -PassThru
# $api::DhcpHlprFreeV4PolicyEx(PolicyEx)

#uselib "DHCPSAPI.dll"
#func global DhcpHlprFreeV4PolicyEx "DhcpHlprFreeV4PolicyEx" sptr
; DhcpHlprFreeV4PolicyEx varptr(PolicyEx)
; PolicyEx : DHCP_POLICY_EX* in/out -> "sptr"

出力引数:

#uselib "DHCPSAPI.dll"
#func global DhcpHlprFreeV4PolicyEx "DhcpHlprFreeV4PolicyEx" var
; DhcpHlprFreeV4PolicyEx PolicyEx
; PolicyEx : DHCP_POLICY_EX* 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"
#func global DhcpHlprFreeV4PolicyEx "DhcpHlprFreeV4PolicyEx" sptr
; DhcpHlprFreeV4PolicyEx varptr(PolicyEx)
; PolicyEx : DHCP_POLICY_EX* 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:

; void DhcpHlprFreeV4PolicyEx(DHCP_POLICY_EX* PolicyEx)
#uselib "DHCPSAPI.dll"
#func global DhcpHlprFreeV4PolicyEx "DhcpHlprFreeV4PolicyEx" var
; DhcpHlprFreeV4PolicyEx PolicyEx
; PolicyEx : DHCP_POLICY_EX* 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。; void DhcpHlprFreeV4PolicyEx(DHCP_POLICY_EX* PolicyEx)
#uselib "DHCPSAPI.dll"
#func global DhcpHlprFreeV4PolicyEx "DhcpHlprFreeV4PolicyEx" intptr
; DhcpHlprFreeV4PolicyEx varptr(PolicyEx)
; PolicyEx : DHCP_POLICY_EX* 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")
	procDhcpHlprFreeV4PolicyEx = dhcpsapi.NewProc("DhcpHlprFreeV4PolicyEx")
)

// PolicyEx (DHCP_POLICY_EX* in/out)
r1, _, err := procDhcpHlprFreeV4PolicyEx.Call(
	uintptr(PolicyEx),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure DhcpHlprFreeV4PolicyEx(
  PolicyEx: Pointer   // DHCP_POLICY_EX* in/out
); stdcall;
  external 'DHCPSAPI.dll' name 'DhcpHlprFreeV4PolicyEx';

result := DllCall("DHCPSAPI\DhcpHlprFreeV4PolicyEx"
    , "Ptr", PolicyEx   ; DHCP_POLICY_EX* in/out
    , "Int")   ; return: void

●DhcpHlprFreeV4PolicyEx(PolicyEx) = DLL("DHCPSAPI.dll", "int DhcpHlprFreeV4PolicyEx(void*)")
# 呼び出し: DhcpHlprFreeV4PolicyEx(PolicyEx)
# PolicyEx : DHCP_POLICY_EX* 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)。