DnsQuery_W

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

WIN32_ERROR DnsQuery_W(
    LPCWSTR pszName,
    WORD wType,
    DNS_QUERY_OPTIONS Options,
    void* pExtra,   // optional
    DNS_RECORDA** ppQueryResults,
    void** pReserved   // optional
);

<DllImport("DNSAPI.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function DnsQuery_W(
    <MarshalAs(UnmanagedType.LPWStr)> pszName As String,   ' LPCWSTR
    wType As UShort,   ' WORD
    Options As UInteger,   ' DNS_QUERY_OPTIONS
    pExtra As IntPtr,   ' void* optional, in/out
    ppQueryResults As IntPtr,   ' DNS_RECORDA** out
    pReserved As IntPtr   ' void** optional, out
) As UInteger
End Function

' pszName : LPCWSTR
' wType : WORD
' Options : DNS_QUERY_OPTIONS
' pExtra : void* optional, in/out
' ppQueryResults : DNS_RECORDA** out
' pReserved : void** optional, out
Declare PtrSafe Function DnsQuery_W Lib "dnsapi" ( _
    ByVal pszName As LongPtr, _
    ByVal wType As Integer, _
    ByVal Options As Long, _
    ByVal pExtra As LongPtr, _
    ByVal ppQueryResults As LongPtr, _
    ByVal pReserved 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

DnsQuery_W = ctypes.windll.dnsapi.DnsQuery_W
DnsQuery_W.restype = wintypes.DWORD
DnsQuery_W.argtypes = [
    wintypes.LPCWSTR,  # pszName : LPCWSTR
    ctypes.c_ushort,  # wType : WORD
    wintypes.DWORD,  # Options : DNS_QUERY_OPTIONS
    ctypes.POINTER(None),  # pExtra : void* optional, in/out
    ctypes.c_void_p,  # ppQueryResults : DNS_RECORDA** out
    ctypes.c_void_p,  # pReserved : void** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsQuery_W = Fiddle::Function.new(
  lib['DnsQuery_W'],
  [
    Fiddle::TYPE_VOIDP,  # pszName : LPCWSTR
    -Fiddle::TYPE_SHORT,  # wType : WORD
    -Fiddle::TYPE_INT,  # Options : DNS_QUERY_OPTIONS
    Fiddle::TYPE_VOIDP,  # pExtra : void* optional, in/out
    Fiddle::TYPE_VOIDP,  # ppQueryResults : DNS_RECORDA** out
    Fiddle::TYPE_VOIDP,  # pReserved : void** optional, out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "dnsapi")]
extern "system" {
    fn DnsQuery_W(
        pszName: *const u16,  // LPCWSTR
        wType: u16,  // WORD
        Options: u32,  // DNS_QUERY_OPTIONS
        pExtra: *mut (),  // void* optional, in/out
        ppQueryResults: *mut *mut DNS_RECORDA,  // DNS_RECORDA** out
        pReserved: *mut *mut ()  // void** optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll", CharSet = CharSet.Unicode)]
public static extern uint DnsQuery_W([MarshalAs(UnmanagedType.LPWStr)] string pszName, ushort wType, uint Options, IntPtr pExtra, IntPtr ppQueryResults, IntPtr pReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsQuery_W' -Namespace Win32 -PassThru
# $api::DnsQuery_W(pszName, wType, Options, pExtra, ppQueryResults, pReserved)

#uselib "DNSAPI.dll"
#func global DnsQuery_W "DnsQuery_W" wptr, wptr, wptr, wptr, wptr, wptr
; DnsQuery_W pszName, wType, Options, pExtra, varptr(ppQueryResults), pReserved   ; 戻り値は stat
; pszName : LPCWSTR -> "wptr"
; wType : WORD -> "wptr"
; Options : DNS_QUERY_OPTIONS -> "wptr"
; pExtra : void* optional, in/out -> "wptr"
; ppQueryResults : DNS_RECORDA** out -> "wptr"
; pReserved : void** optional, 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。

#uselib "DNSAPI.dll"
#cfunc global DnsQuery_W "DnsQuery_W" wstr, int, int, sptr, var, sptr
; res = DnsQuery_W(pszName, wType, Options, pExtra, ppQueryResults, pReserved)
; pszName : LPCWSTR -> "wstr"
; wType : WORD -> "int"
; Options : DNS_QUERY_OPTIONS -> "int"
; pExtra : void* optional, in/out -> "sptr"
; ppQueryResults : DNS_RECORDA** out -> "var"
; pReserved : void** optional, out -> "sptr"
; ※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。

; WIN32_ERROR DnsQuery_W(LPCWSTR pszName, WORD wType, DNS_QUERY_OPTIONS Options, void* pExtra, DNS_RECORDA** ppQueryResults, void** pReserved)
#uselib "DNSAPI.dll"
#cfunc global DnsQuery_W "DnsQuery_W" wstr, int, int, intptr, var, intptr
; res = DnsQuery_W(pszName, wType, Options, pExtra, ppQueryResults, pReserved)
; pszName : LPCWSTR -> "wstr"
; wType : WORD -> "int"
; Options : DNS_QUERY_OPTIONS -> "int"
; pExtra : void* optional, in/out -> "intptr"
; ppQueryResults : DNS_RECORDA** out -> "var"
; pReserved : void** optional, out -> "intptr"
; ※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")
	procDnsQuery_W = dnsapi.NewProc("DnsQuery_W")
)

// pszName (LPCWSTR), wType (WORD), Options (DNS_QUERY_OPTIONS), pExtra (void* optional, in/out), ppQueryResults (DNS_RECORDA** out), pReserved (void** optional, out)
r1, _, err := procDnsQuery_W.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszName))),
	uintptr(wType),
	uintptr(Options),
	uintptr(pExtra),
	uintptr(ppQueryResults),
	uintptr(pReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function DnsQuery_W(
  pszName: PWideChar;   // LPCWSTR
  wType: Word;   // WORD
  Options: DWORD;   // DNS_QUERY_OPTIONS
  pExtra: Pointer;   // void* optional, in/out
  ppQueryResults: Pointer;   // DNS_RECORDA** out
  pReserved: Pointer   // void** optional, out
): DWORD; stdcall;
  external 'DNSAPI.dll' name 'DnsQuery_W';

result := DllCall("DNSAPI\DnsQuery_W"
    , "WStr", pszName   ; LPCWSTR
    , "UShort", wType   ; WORD
    , "UInt", Options   ; DNS_QUERY_OPTIONS
    , "Ptr", pExtra   ; void* optional, in/out
    , "Ptr", ppQueryResults   ; DNS_RECORDA** out
    , "Ptr", pReserved   ; void** optional, out
    , "UInt")   ; return: WIN32_ERROR

●DnsQuery_W(pszName, wType, Options, pExtra, ppQueryResults, pReserved) = DLL("DNSAPI.dll", "dword DnsQuery_W(char*, int, dword, void*, void*, void*)")
# 呼び出し: DnsQuery_W(pszName, wType, Options, pExtra, ppQueryResults, pReserved)
# pszName : LPCWSTR -> "char*"
# wType : WORD -> "int"
# Options : DNS_QUERY_OPTIONS -> "dword"
# pExtra : void* optional, in/out -> "void*"
# ppQueryResults : DNS_RECORDA** out -> "void*"
# pReserved : void** optional, 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。