Win32 API 日本語リファレンス
ホームNetworkManagement.Dns › DnsQueryRaw

DnsQueryRaw

関数
生のDNSプロトコル形式で問い合わせを実行する。
DLLDNSAPI.dll呼出規約winapi

シグネチャ

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

INT DnsQueryRaw(
    DNS_QUERY_RAW_REQUEST* queryRequest,
    DNS_QUERY_RAW_CANCEL* cancelHandle
);

パラメーター

名前方向
queryRequestDNS_QUERY_RAW_REQUEST*in
cancelHandleDNS_QUERY_RAW_CANCEL*inout

戻り値の型: INT

各言語での呼び出し定義

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

INT DnsQueryRaw(
    DNS_QUERY_RAW_REQUEST* queryRequest,
    DNS_QUERY_RAW_CANCEL* cancelHandle
);
[DllImport("DNSAPI.dll", ExactSpelling = true)]
static extern int DnsQueryRaw(
    IntPtr queryRequest,   // DNS_QUERY_RAW_REQUEST*
    IntPtr cancelHandle   // DNS_QUERY_RAW_CANCEL* in/out
);
<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Function DnsQueryRaw(
    queryRequest As IntPtr,   ' DNS_QUERY_RAW_REQUEST*
    cancelHandle As IntPtr   ' DNS_QUERY_RAW_CANCEL* in/out
) As Integer
End Function
' queryRequest : DNS_QUERY_RAW_REQUEST*
' cancelHandle : DNS_QUERY_RAW_CANCEL* in/out
Declare PtrSafe Function DnsQueryRaw Lib "dnsapi" ( _
    ByVal queryRequest As LongPtr, _
    ByVal cancelHandle 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

DnsQueryRaw = ctypes.windll.dnsapi.DnsQueryRaw
DnsQueryRaw.restype = ctypes.c_int
DnsQueryRaw.argtypes = [
    ctypes.c_void_p,  # queryRequest : DNS_QUERY_RAW_REQUEST*
    ctypes.c_void_p,  # cancelHandle : DNS_QUERY_RAW_CANCEL* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsQueryRaw = Fiddle::Function.new(
  lib['DnsQueryRaw'],
  [
    Fiddle::TYPE_VOIDP,  # queryRequest : DNS_QUERY_RAW_REQUEST*
    Fiddle::TYPE_VOIDP,  # cancelHandle : DNS_QUERY_RAW_CANCEL* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "dnsapi")]
extern "system" {
    fn DnsQueryRaw(
        queryRequest: *mut DNS_QUERY_RAW_REQUEST,  // DNS_QUERY_RAW_REQUEST*
        cancelHandle: *mut DNS_QUERY_RAW_CANCEL  // DNS_QUERY_RAW_CANCEL* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("DNSAPI.dll")]
public static extern int DnsQueryRaw(IntPtr queryRequest, IntPtr cancelHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsQueryRaw' -Namespace Win32 -PassThru
# $api::DnsQueryRaw(queryRequest, cancelHandle)
#uselib "DNSAPI.dll"
#func global DnsQueryRaw "DnsQueryRaw" sptr, sptr
; DnsQueryRaw varptr(queryRequest), varptr(cancelHandle)   ; 戻り値は stat
; queryRequest : DNS_QUERY_RAW_REQUEST* -> "sptr"
; cancelHandle : DNS_QUERY_RAW_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 DnsQueryRaw "DnsQueryRaw" var, var
; res = DnsQueryRaw(queryRequest, cancelHandle)
; queryRequest : DNS_QUERY_RAW_REQUEST* -> "var"
; cancelHandle : DNS_QUERY_RAW_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。
出力引数:
; INT DnsQueryRaw(DNS_QUERY_RAW_REQUEST* queryRequest, DNS_QUERY_RAW_CANCEL* cancelHandle)
#uselib "DNSAPI.dll"
#cfunc global DnsQueryRaw "DnsQueryRaw" var, var
; res = DnsQueryRaw(queryRequest, cancelHandle)
; queryRequest : DNS_QUERY_RAW_REQUEST* -> "var"
; cancelHandle : DNS_QUERY_RAW_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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsQueryRaw = dnsapi.NewProc("DnsQueryRaw")
)

// queryRequest (DNS_QUERY_RAW_REQUEST*), cancelHandle (DNS_QUERY_RAW_CANCEL* in/out)
r1, _, err := procDnsQueryRaw.Call(
	uintptr(queryRequest),
	uintptr(cancelHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function DnsQueryRaw(
  queryRequest: Pointer;   // DNS_QUERY_RAW_REQUEST*
  cancelHandle: Pointer   // DNS_QUERY_RAW_CANCEL* in/out
): Integer; stdcall;
  external 'DNSAPI.dll' name 'DnsQueryRaw';
result := DllCall("DNSAPI\DnsQueryRaw"
    , "Ptr", queryRequest   ; DNS_QUERY_RAW_REQUEST*
    , "Ptr", cancelHandle   ; DNS_QUERY_RAW_CANCEL* in/out
    , "Int")   ; return: INT
●DnsQueryRaw(queryRequest, cancelHandle) = DLL("DNSAPI.dll", "int DnsQueryRaw(void*, void*)")
# 呼び出し: DnsQueryRaw(queryRequest, cancelHandle)
# queryRequest : DNS_QUERY_RAW_REQUEST* -> "void*"
# cancelHandle : DNS_QUERY_RAW_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)。