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DhcpHlprIsV4PolicyWellFormed
関数IPv4 DHCPポリシーの形式が正しいかどうかを判定する。
シグネチャ
// DHCPSAPI.dll
#include <windows.h>
BOOL DhcpHlprIsV4PolicyWellFormed(
DHCP_POLICY* pPolicy
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| pPolicy | DHCP_POLICY* | in | 条件式の構造が整合的かどうかを判定する対象のDHCP_POLICY構造体へのポインタ。 |
戻り値の型: BOOL
各言語での呼び出し定義
// DHCPSAPI.dll
#include <windows.h>
BOOL DhcpHlprIsV4PolicyWellFormed(
DHCP_POLICY* pPolicy
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("DHCPSAPI.dll", ExactSpelling = true)]
static extern bool DhcpHlprIsV4PolicyWellFormed(
IntPtr pPolicy // DHCP_POLICY*
);<DllImport("DHCPSAPI.dll", ExactSpelling:=True)>
Public Shared Function DhcpHlprIsV4PolicyWellFormed(
pPolicy As IntPtr ' DHCP_POLICY*
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' pPolicy : DHCP_POLICY*
Declare PtrSafe Function DhcpHlprIsV4PolicyWellFormed Lib "dhcpsapi" ( _
ByVal pPolicy 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
DhcpHlprIsV4PolicyWellFormed = ctypes.windll.dhcpsapi.DhcpHlprIsV4PolicyWellFormed
DhcpHlprIsV4PolicyWellFormed.restype = wintypes.BOOL
DhcpHlprIsV4PolicyWellFormed.argtypes = [
ctypes.c_void_p, # pPolicy : DHCP_POLICY*
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('DHCPSAPI.dll')
DhcpHlprIsV4PolicyWellFormed = Fiddle::Function.new(
lib['DhcpHlprIsV4PolicyWellFormed'],
[
Fiddle::TYPE_VOIDP, # pPolicy : DHCP_POLICY*
],
Fiddle::TYPE_INT)#[link(name = "dhcpsapi")]
extern "system" {
fn DhcpHlprIsV4PolicyWellFormed(
pPolicy: *mut DHCP_POLICY // DHCP_POLICY*
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("DHCPSAPI.dll")]
public static extern bool DhcpHlprIsV4PolicyWellFormed(IntPtr pPolicy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DHCPSAPI_DhcpHlprIsV4PolicyWellFormed' -Namespace Win32 -PassThru
# $api::DhcpHlprIsV4PolicyWellFormed(pPolicy)#uselib "DHCPSAPI.dll"
#func global DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" sptr
; DhcpHlprIsV4PolicyWellFormed varptr(pPolicy) ; 戻り値は stat
; pPolicy : DHCP_POLICY* -> "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 DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" var ; res = DhcpHlprIsV4PolicyWellFormed(pPolicy) ; pPolicy : DHCP_POLICY* -> "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 DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" sptr ; res = DhcpHlprIsV4PolicyWellFormed(varptr(pPolicy)) ; pPolicy : DHCP_POLICY* -> "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:
; BOOL DhcpHlprIsV4PolicyWellFormed(DHCP_POLICY* pPolicy) #uselib "DHCPSAPI.dll" #cfunc global DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" var ; res = DhcpHlprIsV4PolicyWellFormed(pPolicy) ; pPolicy : DHCP_POLICY* -> "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。; BOOL DhcpHlprIsV4PolicyWellFormed(DHCP_POLICY* pPolicy) #uselib "DHCPSAPI.dll" #cfunc global DhcpHlprIsV4PolicyWellFormed "DhcpHlprIsV4PolicyWellFormed" intptr ; res = DhcpHlprIsV4PolicyWellFormed(varptr(pPolicy)) ; pPolicy : DHCP_POLICY* -> "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")
procDhcpHlprIsV4PolicyWellFormed = dhcpsapi.NewProc("DhcpHlprIsV4PolicyWellFormed")
)
// pPolicy (DHCP_POLICY*)
r1, _, err := procDhcpHlprIsV4PolicyWellFormed.Call(
uintptr(pPolicy),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction DhcpHlprIsV4PolicyWellFormed(
pPolicy: Pointer // DHCP_POLICY*
): BOOL; stdcall;
external 'DHCPSAPI.dll' name 'DhcpHlprIsV4PolicyWellFormed';result := DllCall("DHCPSAPI\DhcpHlprIsV4PolicyWellFormed"
, "Ptr", pPolicy ; DHCP_POLICY*
, "Int") ; return: BOOL●DhcpHlprIsV4PolicyWellFormed(pPolicy) = DLL("DHCPSAPI.dll", "bool DhcpHlprIsV4PolicyWellFormed(void*)")
# 呼び出し: DhcpHlprIsV4PolicyWellFormed(pPolicy)
# pPolicy : DHCP_POLICY* -> "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)。const std = @import("std");
extern "dhcpsapi" fn DhcpHlprIsV4PolicyWellFormed(
pPolicy: [*c]DHCP_POLICY // DHCP_POLICY*
) callconv(std.os.windows.WINAPI) i32;proc DhcpHlprIsV4PolicyWellFormed(
pPolicy: ptr DHCP_POLICY # DHCP_POLICY*
): int32 {.importc: "DhcpHlprIsV4PolicyWellFormed", stdcall, dynlib: "DHCPSAPI.dll".}pragma(lib, "dhcpsapi");
extern(Windows)
int DhcpHlprIsV4PolicyWellFormed(
DHCP_POLICY* pPolicy // DHCP_POLICY*
);ccall((:DhcpHlprIsV4PolicyWellFormed, "DHCPSAPI.dll"), stdcall, Int32,
(Ptr{DHCP_POLICY},),
pPolicy)
# pPolicy : DHCP_POLICY* -> Ptr{DHCP_POLICY}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t DhcpHlprIsV4PolicyWellFormed(
void* pPolicy);
]]
local dhcpsapi = ffi.load("dhcpsapi")
-- dhcpsapi.DhcpHlprIsV4PolicyWellFormed(pPolicy)
-- pPolicy : DHCP_POLICY*
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('DHCPSAPI.dll');
const DhcpHlprIsV4PolicyWellFormed = lib.func('__stdcall', 'DhcpHlprIsV4PolicyWellFormed', 'int32_t', ['void *']);
// DhcpHlprIsV4PolicyWellFormed(pPolicy)
// pPolicy : DHCP_POLICY* -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("DHCPSAPI.dll", {
DhcpHlprIsV4PolicyWellFormed: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.DhcpHlprIsV4PolicyWellFormed(pPolicy)
// pPolicy : DHCP_POLICY* -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t DhcpHlprIsV4PolicyWellFormed(
void* pPolicy);
C, "DHCPSAPI.dll");
// $ffi->DhcpHlprIsV4PolicyWellFormed(pPolicy);
// pPolicy : DHCP_POLICY*
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Dhcpsapi extends StdCallLibrary {
Dhcpsapi INSTANCE = Native.load("dhcpsapi", Dhcpsapi.class);
boolean DhcpHlprIsV4PolicyWellFormed(
Pointer pPolicy // DHCP_POLICY*
);
}@[Link("dhcpsapi")]
lib LibDHCPSAPI
fun DhcpHlprIsV4PolicyWellFormed = DhcpHlprIsV4PolicyWellFormed(
pPolicy : DHCP_POLICY* # DHCP_POLICY*
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef DhcpHlprIsV4PolicyWellFormedNative = Int32 Function(Pointer<Void>);
typedef DhcpHlprIsV4PolicyWellFormedDart = int Function(Pointer<Void>);
final DhcpHlprIsV4PolicyWellFormed = DynamicLibrary.open('DHCPSAPI.dll')
.lookupFunction<DhcpHlprIsV4PolicyWellFormedNative, DhcpHlprIsV4PolicyWellFormedDart>('DhcpHlprIsV4PolicyWellFormed');
// pPolicy : DHCP_POLICY* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function DhcpHlprIsV4PolicyWellFormed(
pPolicy: Pointer // DHCP_POLICY*
): BOOL; stdcall;
external 'DHCPSAPI.dll' name 'DhcpHlprIsV4PolicyWellFormed';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "DhcpHlprIsV4PolicyWellFormed"
c_DhcpHlprIsV4PolicyWellFormed :: Ptr () -> IO CInt
-- pPolicy : DHCP_POLICY* -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let dhcphlprisv4policywellformed =
foreign "DhcpHlprIsV4PolicyWellFormed"
((ptr void) @-> returning int32_t)
(* pPolicy : DHCP_POLICY* -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library dhcpsapi (t "DHCPSAPI.dll"))
(cffi:use-foreign-library dhcpsapi)
(cffi:defcfun ("DhcpHlprIsV4PolicyWellFormed" dhcp-hlpr-is-v4-policy-well-formed :convention :stdcall) :int32
(p-policy :pointer)) ; DHCP_POLICY*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $DhcpHlprIsV4PolicyWellFormed = Win32::API::More->new('DHCPSAPI',
'BOOL DhcpHlprIsV4PolicyWellFormed(LPVOID pPolicy)');
# my $ret = $DhcpHlprIsV4PolicyWellFormed->Call($pPolicy);
# pPolicy : DHCP_POLICY* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
使用する型