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DsAddressToSiteNamesA

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ANSI (-A)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// NETAPI32.dll  (ANSI / -A)
#include <windows.h>

DWORD DsAddressToSiteNamesA(
    LPCSTR ComputerName,   // optional
    DWORD EntryCount,
    SOCKET_ADDRESS* SocketAddresses,
    LPSTR** SiteNames
);

パラメーター

名前方向説明
ComputerNameLPCSTRinoptional問い合わせを実行するDC名を指すANSI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。
SiteNamesLPSTR**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  (ANSI / -A)
#include <windows.h>

DWORD DsAddressToSiteNamesA(
    LPCSTR ComputerName,   // optional
    DWORD EntryCount,
    SOCKET_ADDRESS* SocketAddresses,
    LPSTR** SiteNames
);
[DllImport("NETAPI32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint DsAddressToSiteNamesA(
    [MarshalAs(UnmanagedType.LPStr)] string ComputerName,   // LPCSTR optional
    uint EntryCount,   // DWORD
    IntPtr SocketAddresses,   // SOCKET_ADDRESS*
    IntPtr SiteNames   // LPSTR** out
);
<DllImport("NETAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DsAddressToSiteNamesA(
    <MarshalAs(UnmanagedType.LPStr)> ComputerName As String,   ' LPCSTR optional
    EntryCount As UInteger,   ' DWORD
    SocketAddresses As IntPtr,   ' SOCKET_ADDRESS*
    SiteNames As IntPtr   ' LPSTR** out
) As UInteger
End Function
' ComputerName : LPCSTR optional
' EntryCount : DWORD
' SocketAddresses : SOCKET_ADDRESS*
' SiteNames : LPSTR** out
Declare PtrSafe Function DsAddressToSiteNamesA Lib "netapi32" ( _
    ByVal ComputerName As String, _
    ByVal EntryCount As Long, _
    ByVal SocketAddresses As LongPtr, _
    ByVal SiteNames 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

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

lib = Fiddle.dlopen('NETAPI32.dll')
DsAddressToSiteNamesA = Fiddle::Function.new(
  lib['DsAddressToSiteNamesA'],
  [
    Fiddle::TYPE_VOIDP,  # ComputerName : LPCSTR optional
    -Fiddle::TYPE_INT,  # EntryCount : DWORD
    Fiddle::TYPE_VOIDP,  # SocketAddresses : SOCKET_ADDRESS*
    Fiddle::TYPE_VOIDP,  # SiteNames : LPSTR** out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "netapi32")]
extern "system" {
    fn DsAddressToSiteNamesA(
        ComputerName: *const u8,  // LPCSTR optional
        EntryCount: u32,  // DWORD
        SocketAddresses: *mut SOCKET_ADDRESS,  // SOCKET_ADDRESS*
        SiteNames: *mut *mut *mut u8  // LPSTR** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("NETAPI32.dll", CharSet = CharSet.Ansi)]
public static extern uint DsAddressToSiteNamesA([MarshalAs(UnmanagedType.LPStr)] string ComputerName, uint EntryCount, IntPtr SocketAddresses, IntPtr SiteNames);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_DsAddressToSiteNamesA' -Namespace Win32 -PassThru
# $api::DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames)
#uselib "NETAPI32.dll"
#func global DsAddressToSiteNamesA "DsAddressToSiteNamesA" sptr, sptr, sptr, sptr
; DsAddressToSiteNamesA ComputerName, EntryCount, varptr(SocketAddresses), varptr(SiteNames)   ; 戻り値は stat
; ComputerName : LPCSTR optional -> "sptr"
; EntryCount : DWORD -> "sptr"
; SocketAddresses : SOCKET_ADDRESS* -> "sptr"
; SiteNames : LPSTR** 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 "NETAPI32.dll"
#cfunc global DsAddressToSiteNamesA "DsAddressToSiteNamesA" str, int, var, var
; res = DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames)
; ComputerName : LPCSTR optional -> "str"
; EntryCount : DWORD -> "int"
; SocketAddresses : SOCKET_ADDRESS* -> "var"
; SiteNames : LPSTR** 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 DsAddressToSiteNamesA(LPCSTR ComputerName, DWORD EntryCount, SOCKET_ADDRESS* SocketAddresses, LPSTR** SiteNames)
#uselib "NETAPI32.dll"
#cfunc global DsAddressToSiteNamesA "DsAddressToSiteNamesA" str, int, var, var
; res = DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames)
; ComputerName : LPCSTR optional -> "str"
; EntryCount : DWORD -> "int"
; SocketAddresses : SOCKET_ADDRESS* -> "var"
; SiteNames : LPSTR** 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")
	procDsAddressToSiteNamesA = netapi32.NewProc("DsAddressToSiteNamesA")
)

// ComputerName (LPCSTR optional), EntryCount (DWORD), SocketAddresses (SOCKET_ADDRESS*), SiteNames (LPSTR** out)
r1, _, err := procDsAddressToSiteNamesA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(ComputerName))),
	uintptr(EntryCount),
	uintptr(SocketAddresses),
	uintptr(SiteNames),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function DsAddressToSiteNamesA(
  ComputerName: PAnsiChar;   // LPCSTR optional
  EntryCount: DWORD;   // DWORD
  SocketAddresses: Pointer;   // SOCKET_ADDRESS*
  SiteNames: PPAnsiChar   // LPSTR** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DsAddressToSiteNamesA';
result := DllCall("NETAPI32\DsAddressToSiteNamesA"
    , "AStr", ComputerName   ; LPCSTR optional
    , "UInt", EntryCount   ; DWORD
    , "Ptr", SocketAddresses   ; SOCKET_ADDRESS*
    , "Ptr", SiteNames   ; LPSTR** out
    , "UInt")   ; return: DWORD
●DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames) = DLL("NETAPI32.dll", "dword DsAddressToSiteNamesA(char*, dword, void*, void*)")
# 呼び出し: DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames)
# ComputerName : LPCSTR optional -> "char*"
# EntryCount : DWORD -> "dword"
# SocketAddresses : SOCKET_ADDRESS* -> "void*"
# SiteNames : LPSTR** 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)。
const std = @import("std");

extern "netapi32" fn DsAddressToSiteNamesA(
    ComputerName: [*c]const u8, // LPCSTR optional
    EntryCount: u32, // DWORD
    SocketAddresses: [*c]SOCKET_ADDRESS, // SOCKET_ADDRESS*
    SiteNames: [*c][*c][*c]u8 // LPSTR** out
) callconv(std.os.windows.WINAPI) u32;
proc DsAddressToSiteNamesA(
    ComputerName: cstring,  # LPCSTR optional
    EntryCount: uint32,  # DWORD
    SocketAddresses: ptr SOCKET_ADDRESS,  # SOCKET_ADDRESS*
    SiteNames: ptr cstring  # LPSTR** out
): uint32 {.importc: "DsAddressToSiteNamesA", stdcall, dynlib: "NETAPI32.dll".}
pragma(lib, "netapi32");
extern(Windows)
uint DsAddressToSiteNamesA(
    const(char)* ComputerName,   // LPCSTR optional
    uint EntryCount,   // DWORD
    SOCKET_ADDRESS* SocketAddresses,   // SOCKET_ADDRESS*
    char*** SiteNames   // LPSTR** out
);
ccall((:DsAddressToSiteNamesA, "NETAPI32.dll"), stdcall, UInt32,
      (Cstring, UInt32, Ptr{SOCKET_ADDRESS}, Ptr{Ptr{UInt8}}),
      ComputerName, EntryCount, SocketAddresses, SiteNames)
# ComputerName : LPCSTR optional -> Cstring
# EntryCount : DWORD -> UInt32
# SocketAddresses : SOCKET_ADDRESS* -> Ptr{SOCKET_ADDRESS}
# SiteNames : LPSTR** out -> Ptr{Ptr{UInt8}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t DsAddressToSiteNamesA(
    const char* ComputerName,
    uint32_t EntryCount,
    void* SocketAddresses,
    char*** SiteNames);
]]
local netapi32 = ffi.load("netapi32")
-- netapi32.DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames)
-- ComputerName : LPCSTR optional
-- EntryCount : DWORD
-- SocketAddresses : SOCKET_ADDRESS*
-- SiteNames : LPSTR** 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。
const koffi = require('koffi');
const lib = koffi.load('NETAPI32.dll');
const DsAddressToSiteNamesA = lib.func('__stdcall', 'DsAddressToSiteNamesA', 'uint32_t', ['str', 'uint32_t', 'void *', 'void *']);
// DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames)
// ComputerName : LPCSTR optional -> 'str'
// EntryCount : DWORD -> 'uint32_t'
// SocketAddresses : SOCKET_ADDRESS* -> 'void *'
// SiteNames : LPSTR** 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", {
  DsAddressToSiteNamesA: { parameters: ["buffer", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames)
// ComputerName : LPCSTR optional -> "buffer"
// EntryCount : DWORD -> "u32"
// SocketAddresses : SOCKET_ADDRESS* -> "pointer"
// SiteNames : LPSTR** out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
uint32_t DsAddressToSiteNamesA(
    const char* ComputerName,
    uint32_t EntryCount,
    void* SocketAddresses,
    char*** SiteNames);
C, "NETAPI32.dll");
// $ffi->DsAddressToSiteNamesA(ComputerName, EntryCount, SocketAddresses, SiteNames);
// ComputerName : LPCSTR optional
// EntryCount : DWORD
// SocketAddresses : SOCKET_ADDRESS*
// SiteNames : LPSTR** 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.ASCII_OPTIONS);
    int DsAddressToSiteNamesA(
        String ComputerName,   // LPCSTR optional
        int EntryCount,   // DWORD
        Pointer SocketAddresses,   // SOCKET_ADDRESS*
        PointerByReference SiteNames   // LPSTR** out
    );
}
@[Link("netapi32")]
lib LibNETAPI32
  fun DsAddressToSiteNamesA = DsAddressToSiteNamesA(
    ComputerName : UInt8*,   # LPCSTR optional
    EntryCount : UInt32,   # DWORD
    SocketAddresses : SOCKET_ADDRESS*,   # SOCKET_ADDRESS*
    SiteNames : UInt8***   # LPSTR** 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 DsAddressToSiteNamesANative = Uint32 Function(Pointer<Utf8>, Uint32, Pointer<Void>, Pointer<Pointer<Utf8>>);
typedef DsAddressToSiteNamesADart = int Function(Pointer<Utf8>, int, Pointer<Void>, Pointer<Pointer<Utf8>>);
final DsAddressToSiteNamesA = DynamicLibrary.open('NETAPI32.dll')
    .lookupFunction<DsAddressToSiteNamesANative, DsAddressToSiteNamesADart>('DsAddressToSiteNamesA');
// ComputerName : LPCSTR optional -> Pointer<Utf8>
// EntryCount : DWORD -> Uint32
// SocketAddresses : SOCKET_ADDRESS* -> Pointer<Void>
// SiteNames : LPSTR** out -> Pointer<Pointer<Utf8>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function DsAddressToSiteNamesA(
  ComputerName: PAnsiChar;   // LPCSTR optional
  EntryCount: DWORD;   // DWORD
  SocketAddresses: Pointer;   // SOCKET_ADDRESS*
  SiteNames: PPAnsiChar   // LPSTR** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DsAddressToSiteNamesA';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DsAddressToSiteNamesA"
  c_DsAddressToSiteNamesA :: CString -> Word32 -> Ptr () -> Ptr CString -> IO Word32
-- ComputerName : LPCSTR optional -> CString
-- EntryCount : DWORD -> Word32
-- SocketAddresses : SOCKET_ADDRESS* -> Ptr ()
-- SiteNames : LPSTR** out -> Ptr CString
-- 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 dsaddresstositenamesa =
  foreign "DsAddressToSiteNamesA"
    (string @-> uint32_t @-> (ptr void) @-> (ptr string) @-> returning uint32_t)
(* ComputerName : LPCSTR optional -> string *)
(* EntryCount : DWORD -> uint32_t *)
(* SocketAddresses : SOCKET_ADDRESS* -> (ptr void) *)
(* SiteNames : LPSTR** out -> (ptr string) *)
(* 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 ("DsAddressToSiteNamesA" ds-address-to-site-names-a :convention :stdcall) :uint32
  (computer-name :string)   ; LPCSTR optional
  (entry-count :uint32)   ; DWORD
  (socket-addresses :pointer)   ; SOCKET_ADDRESS*
  (site-names :pointer))   ; LPSTR** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $DsAddressToSiteNamesA = Win32::API::More->new('NETAPI32',
    'DWORD DsAddressToSiteNamesA(LPCSTR ComputerName, DWORD EntryCount, LPVOID SocketAddresses, LPVOID SiteNames)');
# my $ret = $DsAddressToSiteNamesA->Call($ComputerName, $EntryCount, $SocketAddresses, $SiteNames);
# ComputerName : LPCSTR optional -> LPCSTR
# EntryCount : DWORD -> DWORD
# SocketAddresses : SOCKET_ADDRESS* -> LPVOID
# SiteNames : LPSTR** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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