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DnsServiceResolve
関数DNS-SDサービスインスタンスの接続情報を解決する。
シグネチャ
// DNSAPI.dll
#include <windows.h>
INT DnsServiceResolve(
DNS_SERVICE_RESOLVE_REQUEST* pRequest,
DNS_SERVICE_CANCEL* pCancel
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| pRequest | DNS_SERVICE_RESOLVE_REQUEST* | in | 解決するサービスインスタンス名やコールバック等を格納したDNS_SERVICE_RESOLVE_REQUEST構造体へのポインタ。 |
| pCancel | DNS_SERVICE_CANCEL* | inout | 解決操作のキャンセルに用いるDNS_SERVICE_CANCELハンドルを受け取るポインタ。 |
戻り値の型: INT
各言語での呼び出し定義
// DNSAPI.dll
#include <windows.h>
INT DnsServiceResolve(
DNS_SERVICE_RESOLVE_REQUEST* pRequest,
DNS_SERVICE_CANCEL* pCancel
);[DllImport("DNSAPI.dll", SetLastError = true, ExactSpelling = true)]
static extern int DnsServiceResolve(
IntPtr pRequest, // DNS_SERVICE_RESOLVE_REQUEST*
IntPtr pCancel // DNS_SERVICE_CANCEL* in/out
);<DllImport("DNSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function DnsServiceResolve(
pRequest As IntPtr, ' DNS_SERVICE_RESOLVE_REQUEST*
pCancel As IntPtr ' DNS_SERVICE_CANCEL* in/out
) As Integer
End Function' pRequest : DNS_SERVICE_RESOLVE_REQUEST*
' pCancel : DNS_SERVICE_CANCEL* in/out
Declare PtrSafe Function DnsServiceResolve Lib "dnsapi" ( _
ByVal pRequest As LongPtr, _
ByVal pCancel 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
DnsServiceResolve = ctypes.windll.dnsapi.DnsServiceResolve
DnsServiceResolve.restype = ctypes.c_int
DnsServiceResolve.argtypes = [
ctypes.c_void_p, # pRequest : DNS_SERVICE_RESOLVE_REQUEST*
ctypes.c_void_p, # pCancel : DNS_SERVICE_CANCEL* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('DNSAPI.dll')
DnsServiceResolve = Fiddle::Function.new(
lib['DnsServiceResolve'],
[
Fiddle::TYPE_VOIDP, # pRequest : DNS_SERVICE_RESOLVE_REQUEST*
Fiddle::TYPE_VOIDP, # pCancel : DNS_SERVICE_CANCEL* in/out
],
Fiddle::TYPE_INT)#[link(name = "dnsapi")]
extern "system" {
fn DnsServiceResolve(
pRequest: *mut DNS_SERVICE_RESOLVE_REQUEST, // DNS_SERVICE_RESOLVE_REQUEST*
pCancel: *mut DNS_SERVICE_CANCEL // DNS_SERVICE_CANCEL* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("DNSAPI.dll", SetLastError = true)]
public static extern int DnsServiceResolve(IntPtr pRequest, IntPtr pCancel);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsServiceResolve' -Namespace Win32 -PassThru
# $api::DnsServiceResolve(pRequest, pCancel)#uselib "DNSAPI.dll"
#func global DnsServiceResolve "DnsServiceResolve" sptr, sptr
; DnsServiceResolve varptr(pRequest), varptr(pCancel) ; 戻り値は stat
; pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> "sptr"
; pCancel : DNS_SERVICE_CANCEL* 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 "DNSAPI.dll" #cfunc global DnsServiceResolve "DnsServiceResolve" var, var ; res = DnsServiceResolve(pRequest, pCancel) ; pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> "var" ; pCancel : DNS_SERVICE_CANCEL* 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 "DNSAPI.dll" #cfunc global DnsServiceResolve "DnsServiceResolve" sptr, sptr ; res = DnsServiceResolve(varptr(pRequest), varptr(pCancel)) ; pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> "sptr" ; pCancel : DNS_SERVICE_CANCEL* 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:
; INT DnsServiceResolve(DNS_SERVICE_RESOLVE_REQUEST* pRequest, DNS_SERVICE_CANCEL* pCancel) #uselib "DNSAPI.dll" #cfunc global DnsServiceResolve "DnsServiceResolve" var, var ; res = DnsServiceResolve(pRequest, pCancel) ; pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> "var" ; pCancel : DNS_SERVICE_CANCEL* 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。; INT DnsServiceResolve(DNS_SERVICE_RESOLVE_REQUEST* pRequest, DNS_SERVICE_CANCEL* pCancel) #uselib "DNSAPI.dll" #cfunc global DnsServiceResolve "DnsServiceResolve" intptr, intptr ; res = DnsServiceResolve(varptr(pRequest), varptr(pCancel)) ; pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> "intptr" ; pCancel : DNS_SERVICE_CANCEL* 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 (
dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
procDnsServiceResolve = dnsapi.NewProc("DnsServiceResolve")
)
// pRequest (DNS_SERVICE_RESOLVE_REQUEST*), pCancel (DNS_SERVICE_CANCEL* in/out)
r1, _, err := procDnsServiceResolve.Call(
uintptr(pRequest),
uintptr(pCancel),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction DnsServiceResolve(
pRequest: Pointer; // DNS_SERVICE_RESOLVE_REQUEST*
pCancel: Pointer // DNS_SERVICE_CANCEL* in/out
): Integer; stdcall;
external 'DNSAPI.dll' name 'DnsServiceResolve';result := DllCall("DNSAPI\DnsServiceResolve"
, "Ptr", pRequest ; DNS_SERVICE_RESOLVE_REQUEST*
, "Ptr", pCancel ; DNS_SERVICE_CANCEL* in/out
, "Int") ; return: INT●DnsServiceResolve(pRequest, pCancel) = DLL("DNSAPI.dll", "int DnsServiceResolve(void*, void*)")
# 呼び出し: DnsServiceResolve(pRequest, pCancel)
# pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> "void*"
# pCancel : DNS_SERVICE_CANCEL* 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)。const std = @import("std");
extern "dnsapi" fn DnsServiceResolve(
pRequest: [*c]DNS_SERVICE_RESOLVE_REQUEST, // DNS_SERVICE_RESOLVE_REQUEST*
pCancel: [*c]DNS_SERVICE_CANCEL // DNS_SERVICE_CANCEL* in/out
) callconv(std.os.windows.WINAPI) i32;proc DnsServiceResolve(
pRequest: ptr DNS_SERVICE_RESOLVE_REQUEST, # DNS_SERVICE_RESOLVE_REQUEST*
pCancel: ptr DNS_SERVICE_CANCEL # DNS_SERVICE_CANCEL* in/out
): int32 {.importc: "DnsServiceResolve", stdcall, dynlib: "DNSAPI.dll".}pragma(lib, "dnsapi");
extern(Windows)
int DnsServiceResolve(
DNS_SERVICE_RESOLVE_REQUEST* pRequest, // DNS_SERVICE_RESOLVE_REQUEST*
DNS_SERVICE_CANCEL* pCancel // DNS_SERVICE_CANCEL* in/out
);ccall((:DnsServiceResolve, "DNSAPI.dll"), stdcall, Int32,
(Ptr{DNS_SERVICE_RESOLVE_REQUEST}, Ptr{DNS_SERVICE_CANCEL}),
pRequest, pCancel)
# pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> Ptr{DNS_SERVICE_RESOLVE_REQUEST}
# pCancel : DNS_SERVICE_CANCEL* in/out -> Ptr{DNS_SERVICE_CANCEL}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t DnsServiceResolve(
void* pRequest,
void* pCancel);
]]
local dnsapi = ffi.load("dnsapi")
-- dnsapi.DnsServiceResolve(pRequest, pCancel)
-- pRequest : DNS_SERVICE_RESOLVE_REQUEST*
-- pCancel : DNS_SERVICE_CANCEL* in/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('DNSAPI.dll');
const DnsServiceResolve = lib.func('__stdcall', 'DnsServiceResolve', 'int32_t', ['void *', 'void *']);
// DnsServiceResolve(pRequest, pCancel)
// pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> 'void *'
// pCancel : DNS_SERVICE_CANCEL* in/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("DNSAPI.dll", {
DnsServiceResolve: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.DnsServiceResolve(pRequest, pCancel)
// pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> "pointer"
// pCancel : DNS_SERVICE_CANCEL* in/out -> "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 DnsServiceResolve(
void* pRequest,
void* pCancel);
C, "DNSAPI.dll");
// $ffi->DnsServiceResolve(pRequest, pCancel);
// pRequest : DNS_SERVICE_RESOLVE_REQUEST*
// pCancel : DNS_SERVICE_CANCEL* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Dnsapi extends StdCallLibrary {
Dnsapi INSTANCE = Native.load("dnsapi", Dnsapi.class);
int DnsServiceResolve(
Pointer pRequest, // DNS_SERVICE_RESOLVE_REQUEST*
Pointer pCancel // DNS_SERVICE_CANCEL* in/out
);
}@[Link("dnsapi")]
lib LibDNSAPI
fun DnsServiceResolve = DnsServiceResolve(
pRequest : DNS_SERVICE_RESOLVE_REQUEST*, # DNS_SERVICE_RESOLVE_REQUEST*
pCancel : DNS_SERVICE_CANCEL* # DNS_SERVICE_CANCEL* in/out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef DnsServiceResolveNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef DnsServiceResolveDart = int Function(Pointer<Void>, Pointer<Void>);
final DnsServiceResolve = DynamicLibrary.open('DNSAPI.dll')
.lookupFunction<DnsServiceResolveNative, DnsServiceResolveDart>('DnsServiceResolve');
// pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> Pointer<Void>
// pCancel : DNS_SERVICE_CANCEL* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function DnsServiceResolve(
pRequest: Pointer; // DNS_SERVICE_RESOLVE_REQUEST*
pCancel: Pointer // DNS_SERVICE_CANCEL* in/out
): Integer; stdcall;
external 'DNSAPI.dll' name 'DnsServiceResolve';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "DnsServiceResolve"
c_DnsServiceResolve :: Ptr () -> Ptr () -> IO Int32
-- pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> Ptr ()
-- pCancel : DNS_SERVICE_CANCEL* in/out -> 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 dnsserviceresolve =
foreign "DnsServiceResolve"
((ptr void) @-> (ptr void) @-> returning int32_t)
(* pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> (ptr void) *)
(* pCancel : DNS_SERVICE_CANCEL* in/out -> (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 dnsapi (t "DNSAPI.dll"))
(cffi:use-foreign-library dnsapi)
(cffi:defcfun ("DnsServiceResolve" dns-service-resolve :convention :stdcall) :int32
(p-request :pointer) ; DNS_SERVICE_RESOLVE_REQUEST*
(p-cancel :pointer)) ; DNS_SERVICE_CANCEL* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $DnsServiceResolve = Win32::API::More->new('DNSAPI',
'int DnsServiceResolve(LPVOID pRequest, LPVOID pCancel)');
# my $ret = $DnsServiceResolve->Call($pRequest, $pCancel);
# pRequest : DNS_SERVICE_RESOLVE_REQUEST* -> LPVOID
# pCancel : DNS_SERVICE_CANCEL* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。