DnsQuery_UTF8

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

WIN32_ERROR DnsQuery_UTF8(
    LPCSTR pszName,
    WORD wType,
    DNS_QUERY_OPTIONS Options,
    void* pExtra,   // optional
    DNS_RECORDA** ppQueryResults,
    void** pReserved   // optional
);

<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Function DnsQuery_UTF8(
    <MarshalAs(UnmanagedType.LPStr)> pszName As String,   ' LPCSTR
    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 : LPCSTR
' wType : WORD
' Options : DNS_QUERY_OPTIONS
' pExtra : void* optional, in/out
' ppQueryResults : DNS_RECORDA** out
' pReserved : void** optional, out
Declare PtrSafe Function DnsQuery_UTF8 Lib "dnsapi" ( _
    ByVal pszName As String, _
    ByVal wType As Integer, _
    ByVal Options As Long, _
    ByVal pExtra As LongPtr, _
    ByVal ppQueryResults As LongPtr, _
    ByVal pReserved 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

DnsQuery_UTF8 = ctypes.windll.dnsapi.DnsQuery_UTF8
DnsQuery_UTF8.restype = wintypes.DWORD
DnsQuery_UTF8.argtypes = [
    wintypes.LPCSTR,  # pszName : LPCSTR
    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_UTF8 = Fiddle::Function.new(
  lib['DnsQuery_UTF8'],
  [
    Fiddle::TYPE_VOIDP,  # pszName : LPCSTR
    -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)

#[link(name = "dnsapi")]
extern "system" {
    fn DnsQuery_UTF8(
        pszName: *const u8,  // LPCSTR
        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")]
public static extern uint DnsQuery_UTF8([MarshalAs(UnmanagedType.LPStr)] string pszName, ushort wType, uint Options, IntPtr pExtra, IntPtr ppQueryResults, IntPtr pReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsQuery_UTF8' -Namespace Win32 -PassThru
# $api::DnsQuery_UTF8(pszName, wType, Options, pExtra, ppQueryResults, pReserved)

#uselib "DNSAPI.dll"
#func global DnsQuery_UTF8 "DnsQuery_UTF8" sptr, sptr, sptr, sptr, sptr, sptr
; DnsQuery_UTF8 pszName, wType, Options, pExtra, varptr(ppQueryResults), pReserved   ; 戻り値は stat
; pszName : LPCSTR -> "sptr"
; wType : WORD -> "sptr"
; Options : DNS_QUERY_OPTIONS -> "sptr"
; pExtra : void* optional, in/out -> "sptr"
; ppQueryResults : DNS_RECORDA** out -> "sptr"
; pReserved : void** optional, 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。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsQuery_UTF8 = dnsapi.NewProc("DnsQuery_UTF8")
)

// pszName (LPCSTR), wType (WORD), Options (DNS_QUERY_OPTIONS), pExtra (void* optional, in/out), ppQueryResults (DNS_RECORDA** out), pReserved (void** optional, out)
r1, _, err := procDnsQuery_UTF8.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(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_UTF8(
  pszName: PAnsiChar;   // LPCSTR
  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_UTF8';

result := DllCall("DNSAPI\DnsQuery_UTF8"
    , "AStr", pszName   ; LPCSTR
    , "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_UTF8(pszName, wType, Options, pExtra, ppQueryResults, pReserved) = DLL("DNSAPI.dll", "dword DnsQuery_UTF8(char*, int, dword, void*, void*, void*)")
# 呼び出し: DnsQuery_UTF8(pszName, wType, Options, pExtra, ppQueryResults, pReserved)
# pszName : LPCSTR -> "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)。

const std = @import("std");

extern "dnsapi" fn DnsQuery_UTF8(
    pszName: [*c]const u8, // LPCSTR
    wType: u16, // WORD
    Options: u32, // DNS_QUERY_OPTIONS
    pExtra: ?*anyopaque, // void* optional, in/out
    ppQueryResults: [*c][*c]DNS_RECORDA, // DNS_RECORDA** out
    pReserved: ?*anyopaque // void** optional, out
) callconv(std.os.windows.WINAPI) u32;

proc DnsQuery_UTF8(
    pszName: cstring,  # LPCSTR
    wType: uint16,  # WORD
    Options: uint32,  # DNS_QUERY_OPTIONS
    pExtra: pointer,  # void* optional, in/out
    ppQueryResults: ptr DNS_RECORDA,  # DNS_RECORDA** out
    pReserved: pointer  # void** optional, out
): uint32 {.importc: "DnsQuery_UTF8", stdcall, dynlib: "DNSAPI.dll".}

pragma(lib, "dnsapi");
extern(Windows)
uint DnsQuery_UTF8(
    const(char)* pszName,   // LPCSTR
    ushort wType,   // WORD
    uint Options,   // DNS_QUERY_OPTIONS
    void* pExtra,   // void* optional, in/out
    DNS_RECORDA** ppQueryResults,   // DNS_RECORDA** out
    void** pReserved   // void** optional, out
);

ccall((:DnsQuery_UTF8, "DNSAPI.dll"), stdcall, UInt32,
      (Cstring, UInt16, UInt32, Ptr{Cvoid}, Ptr{DNS_RECORDA}, Ptr{Cvoid}),
      pszName, wType, Options, pExtra, ppQueryResults, pReserved)
# pszName : LPCSTR -> Cstring
# wType : WORD -> UInt16
# Options : DNS_QUERY_OPTIONS -> UInt32
# pExtra : void* optional, in/out -> Ptr{Cvoid}
# ppQueryResults : DNS_RECORDA** out -> Ptr{DNS_RECORDA}
# pReserved : void** optional, out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DnsQuery_UTF8(
    const char* pszName,
    uint16_t wType,
    uint32_t Options,
    void* pExtra,
    void* ppQueryResults,
    void** pReserved);
]]
local dnsapi = ffi.load("dnsapi")
-- dnsapi.DnsQuery_UTF8(pszName, wType, Options, pExtra, ppQueryResults, pReserved)
-- pszName : LPCSTR
-- wType : WORD
-- Options : DNS_QUERY_OPTIONS
-- pExtra : void* optional, in/out
-- ppQueryResults : DNS_RECORDA** out
-- pReserved : void** optional, 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 DnsQuery_UTF8 = lib.func('__stdcall', 'DnsQuery_UTF8', 'uint32_t', ['str', 'uint16_t', 'uint32_t', 'void *', 'void *', 'void *']);
// DnsQuery_UTF8(pszName, wType, Options, pExtra, ppQueryResults, pReserved)
// pszName : LPCSTR -> 'str'
// wType : WORD -> 'uint16_t'
// Options : DNS_QUERY_OPTIONS -> 'uint32_t'
// pExtra : void* optional, in/out -> 'void *'
// ppQueryResults : DNS_RECORDA** out -> 'void *'
// pReserved : void** optional, 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", {
  DnsQuery_UTF8: { parameters: ["buffer", "u16", "u32", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.DnsQuery_UTF8(pszName, wType, Options, pExtra, ppQueryResults, pReserved)
// pszName : LPCSTR -> "buffer"
// wType : WORD -> "u16"
// Options : DNS_QUERY_OPTIONS -> "u32"
// pExtra : void* optional, in/out -> "pointer"
// ppQueryResults : DNS_RECORDA** out -> "pointer"
// pReserved : void** optional, 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
uint32_t DnsQuery_UTF8(
    const char* pszName,
    uint16_t wType,
    uint32_t Options,
    void* pExtra,
    void* ppQueryResults,
    void** pReserved);
C, "DNSAPI.dll");
// $ffi->DnsQuery_UTF8(pszName, wType, Options, pExtra, ppQueryResults, pReserved);
// pszName : LPCSTR
// wType : WORD
// Options : DNS_QUERY_OPTIONS
// pExtra : void* optional, in/out
// ppQueryResults : DNS_RECORDA** out
// pReserved : void** optional, 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 DnsQuery_UTF8(
        String pszName,   // LPCSTR
        short wType,   // WORD
        int Options,   // DNS_QUERY_OPTIONS
        Pointer pExtra,   // void* optional, in/out
        Pointer ppQueryResults,   // DNS_RECORDA** out
        Pointer pReserved   // void** optional, out
    );
}

@[Link("dnsapi")]
lib LibDNSAPI
  fun DnsQuery_UTF8 = DnsQuery_UTF8(
    pszName : UInt8*,   # LPCSTR
    wType : UInt16,   # WORD
    Options : UInt32,   # DNS_QUERY_OPTIONS
    pExtra : Void*,   # void* optional, in/out
    ppQueryResults : DNS_RECORDA**,   # DNS_RECORDA** out
    pReserved : Void**   # void** optional, 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 DnsQuery_UTF8Native = Uint32 Function(Pointer<Utf8>, Uint16, Uint32, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef DnsQuery_UTF8Dart = int Function(Pointer<Utf8>, int, int, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final DnsQuery_UTF8 = DynamicLibrary.open('DNSAPI.dll')
    .lookupFunction<DnsQuery_UTF8Native, DnsQuery_UTF8Dart>('DnsQuery_UTF8');
// pszName : LPCSTR -> Pointer<Utf8>
// wType : WORD -> Uint16
// Options : DNS_QUERY_OPTIONS -> Uint32
// pExtra : void* optional, in/out -> Pointer<Void>
// ppQueryResults : DNS_RECORDA** out -> Pointer<Void>
// pReserved : void** optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DnsQuery_UTF8(
  pszName: PAnsiChar;   // LPCSTR
  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_UTF8';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DnsQuery_UTF8"
  c_DnsQuery_UTF8 :: CString -> Word16 -> Word32 -> Ptr () -> Ptr () -> Ptr () -> IO Word32
-- pszName : LPCSTR -> CString
-- wType : WORD -> Word16
-- Options : DNS_QUERY_OPTIONS -> Word32
-- pExtra : void* optional, in/out -> Ptr ()
-- ppQueryResults : DNS_RECORDA** out -> Ptr ()
-- pReserved : void** optional, 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 dnsquery_utf8 =
  foreign "DnsQuery_UTF8"
    (string @-> uint16_t @-> uint32_t @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* pszName : LPCSTR -> string *)
(* wType : WORD -> uint16_t *)
(* Options : DNS_QUERY_OPTIONS -> uint32_t *)
(* pExtra : void* optional, in/out -> (ptr void) *)
(* ppQueryResults : DNS_RECORDA** out -> (ptr void) *)
(* pReserved : void** optional, 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 ("DnsQuery_UTF8" dns-query-utf8 :convention :stdcall) :uint32
  (psz-name :string)   ; LPCSTR
  (w-type :uint16)   ; WORD
  (options :uint32)   ; DNS_QUERY_OPTIONS
  (p-extra :pointer)   ; void* optional, in/out
  (pp-query-results :pointer)   ; DNS_RECORDA** out
  (p-reserved :pointer))   ; void** optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DnsQuery_UTF8 = Win32::API::More->new('DNSAPI',
    'DWORD DnsQuery_UTF8(LPCSTR pszName, WORD wType, DWORD Options, LPVOID pExtra, LPVOID ppQueryResults, LPVOID pReserved)');
# my $ret = $DnsQuery_UTF8->Call($pszName, $wType, $Options, $pExtra, $ppQueryResults, $pReserved);
# pszName : LPCSTR -> LPCSTR
# wType : WORD -> WORD
# Options : DNS_QUERY_OPTIONS -> DWORD
# pExtra : void* optional, in/out -> LPVOID
# ppQueryResults : DNS_RECORDA** out -> LPVOID
# pReserved : void** optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。