WinHttpDetectAutoProxyConfigUrl

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

BOOL WinHttpDetectAutoProxyConfigUrl(
    DWORD dwAutoDetectFlags,
    LPWSTR* ppwstrAutoConfigUrl
);

<DllImport("WINHTTP.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinHttpDetectAutoProxyConfigUrl(
    dwAutoDetectFlags As UInteger,   ' DWORD
    ppwstrAutoConfigUrl As IntPtr   ' LPWSTR* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' dwAutoDetectFlags : DWORD
' ppwstrAutoConfigUrl : LPWSTR* out
Declare PtrSafe Function WinHttpDetectAutoProxyConfigUrl Lib "winhttp" ( _
    ByVal dwAutoDetectFlags As Long, _
    ByVal ppwstrAutoConfigUrl 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

WinHttpDetectAutoProxyConfigUrl = ctypes.windll.winhttp.WinHttpDetectAutoProxyConfigUrl
WinHttpDetectAutoProxyConfigUrl.restype = wintypes.BOOL
WinHttpDetectAutoProxyConfigUrl.argtypes = [
    wintypes.DWORD,  # dwAutoDetectFlags : DWORD
    ctypes.c_void_p,  # ppwstrAutoConfigUrl : LPWSTR* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpDetectAutoProxyConfigUrl = Fiddle::Function.new(
  lib['WinHttpDetectAutoProxyConfigUrl'],
  [
    -Fiddle::TYPE_INT,  # dwAutoDetectFlags : DWORD
    Fiddle::TYPE_VOIDP,  # ppwstrAutoConfigUrl : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpDetectAutoProxyConfigUrl(
        dwAutoDetectFlags: u32,  // DWORD
        ppwstrAutoConfigUrl: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINHTTP.dll", SetLastError = true)]
public static extern bool WinHttpDetectAutoProxyConfigUrl(uint dwAutoDetectFlags, IntPtr ppwstrAutoConfigUrl);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpDetectAutoProxyConfigUrl' -Namespace Win32 -PassThru
# $api::WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)

#uselib "WINHTTP.dll"
#func global WinHttpDetectAutoProxyConfigUrl "WinHttpDetectAutoProxyConfigUrl" sptr, sptr
; WinHttpDetectAutoProxyConfigUrl dwAutoDetectFlags, varptr(ppwstrAutoConfigUrl)   ; 戻り値は stat
; dwAutoDetectFlags : DWORD -> "sptr"
; ppwstrAutoConfigUrl : LPWSTR* 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 (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpDetectAutoProxyConfigUrl = winhttp.NewProc("WinHttpDetectAutoProxyConfigUrl")
)

// dwAutoDetectFlags (DWORD), ppwstrAutoConfigUrl (LPWSTR* out)
r1, _, err := procWinHttpDetectAutoProxyConfigUrl.Call(
	uintptr(dwAutoDetectFlags),
	uintptr(ppwstrAutoConfigUrl),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WinHttpDetectAutoProxyConfigUrl(
  dwAutoDetectFlags: DWORD;   // DWORD
  ppwstrAutoConfigUrl: PPWideChar   // LPWSTR* out
): BOOL; stdcall;
  external 'WINHTTP.dll' name 'WinHttpDetectAutoProxyConfigUrl';

result := DllCall("WINHTTP\WinHttpDetectAutoProxyConfigUrl"
    , "UInt", dwAutoDetectFlags   ; DWORD
    , "Ptr", ppwstrAutoConfigUrl   ; LPWSTR* out
    , "Int")   ; return: BOOL

●WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl) = DLL("WINHTTP.dll", "bool WinHttpDetectAutoProxyConfigUrl(dword, void*)")
# 呼び出し: WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)
# dwAutoDetectFlags : DWORD -> "dword"
# ppwstrAutoConfigUrl : LPWSTR* 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 "winhttp" fn WinHttpDetectAutoProxyConfigUrl(
    dwAutoDetectFlags: u32, // DWORD
    ppwstrAutoConfigUrl: [*c][*c]u16 // LPWSTR* out
) callconv(std.os.windows.WINAPI) i32;

proc WinHttpDetectAutoProxyConfigUrl(
    dwAutoDetectFlags: uint32,  # DWORD
    ppwstrAutoConfigUrl: ptr WideCString  # LPWSTR* out
): int32 {.importc: "WinHttpDetectAutoProxyConfigUrl", stdcall, dynlib: "WINHTTP.dll".}

pragma(lib, "winhttp");
extern(Windows)
int WinHttpDetectAutoProxyConfigUrl(
    uint dwAutoDetectFlags,   // DWORD
    wchar** ppwstrAutoConfigUrl   // LPWSTR* out
);

ccall((:WinHttpDetectAutoProxyConfigUrl, "WINHTTP.dll"), stdcall, Int32,
      (UInt32, Ptr{Ptr{UInt16}}),
      dwAutoDetectFlags, ppwstrAutoConfigUrl)
# dwAutoDetectFlags : DWORD -> UInt32
# ppwstrAutoConfigUrl : LPWSTR* out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WinHttpDetectAutoProxyConfigUrl(
    uint32_t dwAutoDetectFlags,
    uint16_t** ppwstrAutoConfigUrl);
]]
local winhttp = ffi.load("winhttp")
-- winhttp.WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)
-- dwAutoDetectFlags : DWORD
-- ppwstrAutoConfigUrl : LPWSTR* 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('WINHTTP.dll');
const WinHttpDetectAutoProxyConfigUrl = lib.func('__stdcall', 'WinHttpDetectAutoProxyConfigUrl', 'int32_t', ['uint32_t', 'void *']);
// WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)
// dwAutoDetectFlags : DWORD -> 'uint32_t'
// ppwstrAutoConfigUrl : LPWSTR* 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("WINHTTP.dll", {
  WinHttpDetectAutoProxyConfigUrl: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)
// dwAutoDetectFlags : DWORD -> "u32"
// ppwstrAutoConfigUrl : LPWSTR* 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 WinHttpDetectAutoProxyConfigUrl(
    uint32_t dwAutoDetectFlags,
    uint16_t** ppwstrAutoConfigUrl);
C, "WINHTTP.dll");
// $ffi->WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl);
// dwAutoDetectFlags : DWORD
// ppwstrAutoConfigUrl : LPWSTR* 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 Winhttp extends StdCallLibrary {
    Winhttp INSTANCE = Native.load("winhttp", Winhttp.class);
    boolean WinHttpDetectAutoProxyConfigUrl(
        int dwAutoDetectFlags,   // DWORD
        PointerByReference ppwstrAutoConfigUrl   // LPWSTR* out
    );
}

@[Link("winhttp")]
lib LibWINHTTP
  fun WinHttpDetectAutoProxyConfigUrl = WinHttpDetectAutoProxyConfigUrl(
    dwAutoDetectFlags : UInt32,   # DWORD
    ppwstrAutoConfigUrl : UInt16**   # LPWSTR* 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 WinHttpDetectAutoProxyConfigUrlNative = Int32 Function(Uint32, Pointer<Pointer<Utf16>>);
typedef WinHttpDetectAutoProxyConfigUrlDart = int Function(int, Pointer<Pointer<Utf16>>);
final WinHttpDetectAutoProxyConfigUrl = DynamicLibrary.open('WINHTTP.dll')
    .lookupFunction<WinHttpDetectAutoProxyConfigUrlNative, WinHttpDetectAutoProxyConfigUrlDart>('WinHttpDetectAutoProxyConfigUrl');
// dwAutoDetectFlags : DWORD -> Uint32
// ppwstrAutoConfigUrl : LPWSTR* out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WinHttpDetectAutoProxyConfigUrl(
  dwAutoDetectFlags: DWORD;   // DWORD
  ppwstrAutoConfigUrl: PPWideChar   // LPWSTR* out
): BOOL; stdcall;
  external 'WINHTTP.dll' name 'WinHttpDetectAutoProxyConfigUrl';

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

foreign import stdcall safe "WinHttpDetectAutoProxyConfigUrl"
  c_WinHttpDetectAutoProxyConfigUrl :: Word32 -> Ptr CWString -> IO CInt
-- dwAutoDetectFlags : DWORD -> Word32
-- ppwstrAutoConfigUrl : LPWSTR* out -> Ptr CWString
-- 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 winhttpdetectautoproxyconfigurl =
  foreign "WinHttpDetectAutoProxyConfigUrl"
    (uint32_t @-> (ptr (ptr uint16_t)) @-> returning int32_t)
(* dwAutoDetectFlags : DWORD -> uint32_t *)
(* ppwstrAutoConfigUrl : LPWSTR* out -> (ptr (ptr uint16_t)) *)
(* 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 winhttp (t "WINHTTP.dll"))
(cffi:use-foreign-library winhttp)

(cffi:defcfun ("WinHttpDetectAutoProxyConfigUrl" win-http-detect-auto-proxy-config-url :convention :stdcall) :int32
  (dw-auto-detect-flags :uint32)   ; DWORD
  (ppwstr-auto-config-url :pointer))   ; LPWSTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WinHttpDetectAutoProxyConfigUrl = Win32::API::More->new('WINHTTP',
    'BOOL WinHttpDetectAutoProxyConfigUrl(DWORD dwAutoDetectFlags, LPVOID ppwstrAutoConfigUrl)');
# my $ret = $WinHttpDetectAutoProxyConfigUrl->Call($dwAutoDetectFlags, $ppwstrAutoConfigUrl);
# dwAutoDetectFlags : DWORD -> DWORD
# ppwstrAutoConfigUrl : LPWSTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。