Win32 API 日本語リファレンス
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DsAddressToSiteNamesW

関数
IPアドレスから対応するサイト名へ変換する。
DLLNETAPI32.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// NETAPI32.dll  (Unicode / -W)
#include <windows.h>

DWORD DsAddressToSiteNamesW(
    LPCWSTR ComputerName,   // optional
    DWORD EntryCount,
    SOCKET_ADDRESS* SocketAddresses,
    LPWSTR** SiteNames
);

パラメーター

名前方向説明
ComputerNameLPCWSTRinoptional問い合わせを実行するDC名を指すワイド文字列。ローカルで実行する場合はNULL可。
EntryCountDWORDinSocketAddresses配列に含まれるアドレスの個数。
SocketAddressesSOCKET_ADDRESS*inサイト名へ解決するソケットアドレス配列へのポインタ。EntryCount個の要素を持つ。
SiteNamesLPWSTR**out各アドレスに対応するサイト名配列へのポインタを受け取る出力。使用後はNetApiBufferFreeで解放する。

戻り値の型: DWORD

各言語での呼び出し定義

// NETAPI32.dll  (Unicode / -W)
#include <windows.h>

DWORD DsAddressToSiteNamesW(
    LPCWSTR ComputerName,   // optional
    DWORD EntryCount,
    SOCKET_ADDRESS* SocketAddresses,
    LPWSTR** SiteNames
);
[DllImport("NETAPI32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint DsAddressToSiteNamesW(
    [MarshalAs(UnmanagedType.LPWStr)] string ComputerName,   // LPCWSTR optional
    uint EntryCount,   // DWORD
    IntPtr SocketAddresses,   // SOCKET_ADDRESS*
    IntPtr SiteNames   // LPWSTR** out
);
<DllImport("NETAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function DsAddressToSiteNamesW(
    <MarshalAs(UnmanagedType.LPWStr)> ComputerName As String,   ' LPCWSTR optional
    EntryCount As UInteger,   ' DWORD
    SocketAddresses As IntPtr,   ' SOCKET_ADDRESS*
    SiteNames As IntPtr   ' LPWSTR** out
) As UInteger
End Function
' ComputerName : LPCWSTR optional
' EntryCount : DWORD
' SocketAddresses : SOCKET_ADDRESS*
' SiteNames : LPWSTR** out
Declare PtrSafe Function DsAddressToSiteNamesW Lib "netapi32" ( _
    ByVal ComputerName As LongPtr, _
    ByVal EntryCount As Long, _
    ByVal SocketAddresses As LongPtr, _
    ByVal SiteNames As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

DsAddressToSiteNamesW = ctypes.windll.netapi32.DsAddressToSiteNamesW
DsAddressToSiteNamesW.restype = wintypes.DWORD
DsAddressToSiteNamesW.argtypes = [
    wintypes.LPCWSTR,  # ComputerName : LPCWSTR optional
    wintypes.DWORD,  # EntryCount : DWORD
    ctypes.c_void_p,  # SocketAddresses : SOCKET_ADDRESS*
    ctypes.c_void_p,  # SiteNames : LPWSTR** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
DsAddressToSiteNamesW = Fiddle::Function.new(
  lib['DsAddressToSiteNamesW'],
  [
    Fiddle::TYPE_VOIDP,  # ComputerName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # EntryCount : DWORD
    Fiddle::TYPE_VOIDP,  # SocketAddresses : SOCKET_ADDRESS*
    Fiddle::TYPE_VOIDP,  # SiteNames : LPWSTR** out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"
#[link(name = "netapi32")]
extern "system" {
    fn DsAddressToSiteNamesW(
        ComputerName: *const u16,  // LPCWSTR optional
        EntryCount: u32,  // DWORD
        SocketAddresses: *mut SOCKET_ADDRESS,  // SOCKET_ADDRESS*
        SiteNames: *mut *mut *mut u16  // LPWSTR** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("NETAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint DsAddressToSiteNamesW([MarshalAs(UnmanagedType.LPWStr)] string ComputerName, uint EntryCount, IntPtr SocketAddresses, IntPtr SiteNames);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_DsAddressToSiteNamesW' -Namespace Win32 -PassThru
# $api::DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames)
#uselib "NETAPI32.dll"
#func global DsAddressToSiteNamesW "DsAddressToSiteNamesW" wptr, wptr, wptr, wptr
; DsAddressToSiteNamesW ComputerName, EntryCount, varptr(SocketAddresses), varptr(SiteNames)   ; 戻り値は stat
; ComputerName : LPCWSTR optional -> "wptr"
; EntryCount : DWORD -> "wptr"
; SocketAddresses : SOCKET_ADDRESS* -> "wptr"
; SiteNames : LPWSTR** out -> "wptr"
; ※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 "NETAPI32.dll"
#cfunc global DsAddressToSiteNamesW "DsAddressToSiteNamesW" wstr, int, var, var
; res = DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames)
; ComputerName : LPCWSTR optional -> "wstr"
; EntryCount : DWORD -> "int"
; SocketAddresses : SOCKET_ADDRESS* -> "var"
; SiteNames : LPWSTR** 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。
出力引数:
; DWORD DsAddressToSiteNamesW(LPCWSTR ComputerName, DWORD EntryCount, SOCKET_ADDRESS* SocketAddresses, LPWSTR** SiteNames)
#uselib "NETAPI32.dll"
#cfunc global DsAddressToSiteNamesW "DsAddressToSiteNamesW" wstr, int, var, var
; res = DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames)
; ComputerName : LPCWSTR optional -> "wstr"
; EntryCount : DWORD -> "int"
; SocketAddresses : SOCKET_ADDRESS* -> "var"
; SiteNames : LPWSTR** 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procDsAddressToSiteNamesW = netapi32.NewProc("DsAddressToSiteNamesW")
)

// ComputerName (LPCWSTR optional), EntryCount (DWORD), SocketAddresses (SOCKET_ADDRESS*), SiteNames (LPWSTR** out)
r1, _, err := procDsAddressToSiteNamesW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ComputerName))),
	uintptr(EntryCount),
	uintptr(SocketAddresses),
	uintptr(SiteNames),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function DsAddressToSiteNamesW(
  ComputerName: PWideChar;   // LPCWSTR optional
  EntryCount: DWORD;   // DWORD
  SocketAddresses: Pointer;   // SOCKET_ADDRESS*
  SiteNames: PPWideChar   // LPWSTR** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DsAddressToSiteNamesW';
result := DllCall("NETAPI32\DsAddressToSiteNamesW"
    , "WStr", ComputerName   ; LPCWSTR optional
    , "UInt", EntryCount   ; DWORD
    , "Ptr", SocketAddresses   ; SOCKET_ADDRESS*
    , "Ptr", SiteNames   ; LPWSTR** out
    , "UInt")   ; return: DWORD
●DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames) = DLL("NETAPI32.dll", "dword DsAddressToSiteNamesW(char*, dword, void*, void*)")
# 呼び出し: DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames)
# ComputerName : LPCWSTR optional -> "char*"
# EntryCount : DWORD -> "dword"
# SocketAddresses : SOCKET_ADDRESS* -> "void*"
# SiteNames : LPWSTR** 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。
const std = @import("std");

extern "netapi32" fn DsAddressToSiteNamesW(
    ComputerName: [*c]const u16, // LPCWSTR optional
    EntryCount: u32, // DWORD
    SocketAddresses: [*c]SOCKET_ADDRESS, // SOCKET_ADDRESS*
    SiteNames: [*c][*c][*c]u16 // LPWSTR** out
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。
proc DsAddressToSiteNamesW(
    ComputerName: WideCString,  # LPCWSTR optional
    EntryCount: uint32,  # DWORD
    SocketAddresses: ptr SOCKET_ADDRESS,  # SOCKET_ADDRESS*
    SiteNames: ptr WideCString  # LPWSTR** out
): uint32 {.importc: "DsAddressToSiteNamesW", stdcall, dynlib: "NETAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。
pragma(lib, "netapi32");
extern(Windows)
uint DsAddressToSiteNamesW(
    const(wchar)* ComputerName,   // LPCWSTR optional
    uint EntryCount,   // DWORD
    SOCKET_ADDRESS* SocketAddresses,   // SOCKET_ADDRESS*
    wchar*** SiteNames   // LPWSTR** out
);
ccall((:DsAddressToSiteNamesW, "NETAPI32.dll"), stdcall, UInt32,
      (Cwstring, UInt32, Ptr{SOCKET_ADDRESS}, Ptr{Ptr{UInt16}}),
      ComputerName, EntryCount, SocketAddresses, SiteNames)
# ComputerName : LPCWSTR optional -> Cwstring
# EntryCount : DWORD -> UInt32
# SocketAddresses : SOCKET_ADDRESS* -> Ptr{SOCKET_ADDRESS}
# SiteNames : LPWSTR** out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。
local ffi = require("ffi")
ffi.cdef[[
uint32_t DsAddressToSiteNamesW(
    const uint16_t* ComputerName,
    uint32_t EntryCount,
    void* SocketAddresses,
    uint16_t*** SiteNames);
]]
local netapi32 = ffi.load("netapi32")
-- netapi32.DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames)
-- ComputerName : LPCWSTR optional
-- EntryCount : DWORD
-- SocketAddresses : SOCKET_ADDRESS*
-- SiteNames : LPWSTR** out
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。
const koffi = require('koffi');
const lib = koffi.load('NETAPI32.dll');
const DsAddressToSiteNamesW = lib.func('__stdcall', 'DsAddressToSiteNamesW', 'uint32_t', ['str16', 'uint32_t', 'void *', 'void *']);
// DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames)
// ComputerName : LPCWSTR optional -> 'str16'
// EntryCount : DWORD -> 'uint32_t'
// SocketAddresses : SOCKET_ADDRESS* -> 'void *'
// SiteNames : LPWSTR** out -> '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("NETAPI32.dll", {
  DsAddressToSiteNamesW: { parameters: ["buffer", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames)
// ComputerName : LPCWSTR optional -> "buffer"
// EntryCount : DWORD -> "u32"
// SocketAddresses : SOCKET_ADDRESS* -> "pointer"
// SiteNames : LPWSTR** out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
uint32_t DsAddressToSiteNamesW(
    const uint16_t* ComputerName,
    uint32_t EntryCount,
    void* SocketAddresses,
    uint16_t*** SiteNames);
C, "NETAPI32.dll");
// $ffi->DsAddressToSiteNamesW(ComputerName, EntryCount, SocketAddresses, SiteNames);
// ComputerName : LPCWSTR optional
// EntryCount : DWORD
// SocketAddresses : SOCKET_ADDRESS*
// SiteNames : LPWSTR** out
// 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 Netapi32 extends StdCallLibrary {
    Netapi32 INSTANCE = Native.load("netapi32", Netapi32.class, W32APIOptions.UNICODE_OPTIONS);
    int DsAddressToSiteNamesW(
        WString ComputerName,   // LPCWSTR optional
        int EntryCount,   // DWORD
        Pointer SocketAddresses,   // SOCKET_ADDRESS*
        PointerByReference SiteNames   // LPWSTR** out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。
@[Link("netapi32")]
lib LibNETAPI32
  fun DsAddressToSiteNamesW = DsAddressToSiteNamesW(
    ComputerName : UInt16*,   # LPCWSTR optional
    EntryCount : UInt32,   # DWORD
    SocketAddresses : SOCKET_ADDRESS*,   # SOCKET_ADDRESS*
    SiteNames : UInt16***   # LPWSTR** out
  ) : UInt32
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 DsAddressToSiteNamesWNative = Uint32 Function(Pointer<Utf16>, Uint32, Pointer<Void>, Pointer<Pointer<Utf16>>);
typedef DsAddressToSiteNamesWDart = int Function(Pointer<Utf16>, int, Pointer<Void>, Pointer<Pointer<Utf16>>);
final DsAddressToSiteNamesW = DynamicLibrary.open('NETAPI32.dll')
    .lookupFunction<DsAddressToSiteNamesWNative, DsAddressToSiteNamesWDart>('DsAddressToSiteNamesW');
// ComputerName : LPCWSTR optional -> Pointer<Utf16>
// EntryCount : DWORD -> Uint32
// SocketAddresses : SOCKET_ADDRESS* -> Pointer<Void>
// SiteNames : LPWSTR** out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function DsAddressToSiteNamesW(
  ComputerName: PWideChar;   // LPCWSTR optional
  EntryCount: DWORD;   // DWORD
  SocketAddresses: Pointer;   // SOCKET_ADDRESS*
  SiteNames: PPWideChar   // LPWSTR** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DsAddressToSiteNamesW';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DsAddressToSiteNamesW"
  c_DsAddressToSiteNamesW :: CWString -> Word32 -> Ptr () -> Ptr CWString -> IO Word32
-- ComputerName : LPCWSTR optional -> CWString
-- EntryCount : DWORD -> Word32
-- SocketAddresses : SOCKET_ADDRESS* -> Ptr ()
-- SiteNames : LPWSTR** out -> Ptr CWString
-- 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 dsaddresstositenamesw =
  foreign "DsAddressToSiteNamesW"
    ((ptr uint16_t) @-> uint32_t @-> (ptr void) @-> (ptr (ptr uint16_t)) @-> returning uint32_t)
(* ComputerName : LPCWSTR optional -> (ptr uint16_t) *)
(* EntryCount : DWORD -> uint32_t *)
(* SocketAddresses : SOCKET_ADDRESS* -> (ptr void) *)
(* SiteNames : LPWSTR** out -> (ptr (ptr uint16_t)) *)
(* 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 netapi32 (t "NETAPI32.dll"))
(cffi:use-foreign-library netapi32)

(cffi:defcfun ("DsAddressToSiteNamesW" ds-address-to-site-names-w :convention :stdcall) :uint32
  (computer-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (entry-count :uint32)   ; DWORD
  (socket-addresses :pointer)   ; SOCKET_ADDRESS*
  (site-names :pointer))   ; LPWSTR** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $DsAddressToSiteNamesW = Win32::API::More->new('NETAPI32',
    'DWORD DsAddressToSiteNamesW(LPCWSTR ComputerName, DWORD EntryCount, LPVOID SocketAddresses, LPVOID SiteNames)');
# my $ret = $DsAddressToSiteNamesW->Call($ComputerName, $EntryCount, $SocketAddresses, $SiteNames);
# ComputerName : LPCWSTR optional -> LPCWSTR
# EntryCount : DWORD -> DWORD
# SocketAddresses : SOCKET_ADDRESS* -> LPVOID
# SiteNames : LPWSTR** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。

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