CoInternetGetProtocolFlags

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

HRESULT CoInternetGetProtocolFlags(
    LPCWSTR pwzUrl,
    DWORD* pdwFlags,
    DWORD dwReserved
);

<DllImport("urlmon.dll", ExactSpelling:=True)>
Public Shared Function CoInternetGetProtocolFlags(
    <MarshalAs(UnmanagedType.LPWStr)> pwzUrl As String,   ' LPCWSTR
    <Out> ByRef pdwFlags As UInteger,   ' DWORD* out
    dwReserved As UInteger   ' DWORD
) As Integer
End Function

' pwzUrl : LPCWSTR
' pdwFlags : DWORD* out
' dwReserved : DWORD
Declare PtrSafe Function CoInternetGetProtocolFlags Lib "urlmon" ( _
    ByVal pwzUrl As LongPtr, _
    ByRef pdwFlags As Long, _
    ByVal dwReserved As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CoInternetGetProtocolFlags = ctypes.windll.urlmon.CoInternetGetProtocolFlags
CoInternetGetProtocolFlags.restype = ctypes.c_int
CoInternetGetProtocolFlags.argtypes = [
    wintypes.LPCWSTR,  # pwzUrl : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # pdwFlags : DWORD* out
    wintypes.DWORD,  # dwReserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('urlmon.dll')
CoInternetGetProtocolFlags = Fiddle::Function.new(
  lib['CoInternetGetProtocolFlags'],
  [
    Fiddle::TYPE_VOIDP,  # pwzUrl : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pdwFlags : DWORD* out
    -Fiddle::TYPE_INT,  # dwReserved : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "urlmon")]
extern "system" {
    fn CoInternetGetProtocolFlags(
        pwzUrl: *const u16,  // LPCWSTR
        pdwFlags: *mut u32,  // DWORD* out
        dwReserved: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("urlmon.dll")]
public static extern int CoInternetGetProtocolFlags([MarshalAs(UnmanagedType.LPWStr)] string pwzUrl, out uint pdwFlags, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'urlmon_CoInternetGetProtocolFlags' -Namespace Win32 -PassThru
# $api::CoInternetGetProtocolFlags(pwzUrl, pdwFlags, dwReserved)

#uselib "urlmon.dll"
#func global CoInternetGetProtocolFlags "CoInternetGetProtocolFlags" sptr, sptr, sptr
; CoInternetGetProtocolFlags pwzUrl, varptr(pdwFlags), dwReserved   ; 戻り値は stat
; pwzUrl : LPCWSTR -> "sptr"
; pdwFlags : DWORD* out -> "sptr"
; dwReserved : DWORD -> "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 (
	urlmon = windows.NewLazySystemDLL("urlmon.dll")
	procCoInternetGetProtocolFlags = urlmon.NewProc("CoInternetGetProtocolFlags")
)

// pwzUrl (LPCWSTR), pdwFlags (DWORD* out), dwReserved (DWORD)
r1, _, err := procCoInternetGetProtocolFlags.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzUrl))),
	uintptr(pdwFlags),
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoInternetGetProtocolFlags(
  pwzUrl: PWideChar;   // LPCWSTR
  pdwFlags: Pointer;   // DWORD* out
  dwReserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'CoInternetGetProtocolFlags';

result := DllCall("urlmon\CoInternetGetProtocolFlags"
    , "WStr", pwzUrl   ; LPCWSTR
    , "Ptr", pdwFlags   ; DWORD* out
    , "UInt", dwReserved   ; DWORD
    , "Int")   ; return: HRESULT

●CoInternetGetProtocolFlags(pwzUrl, pdwFlags, dwReserved) = DLL("urlmon.dll", "int CoInternetGetProtocolFlags(char*, void*, dword)")
# 呼び出し: CoInternetGetProtocolFlags(pwzUrl, pdwFlags, dwReserved)
# pwzUrl : LPCWSTR -> "char*"
# pdwFlags : DWORD* out -> "void*"
# dwReserved : DWORD -> "dword"
# 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 "urlmon" fn CoInternetGetProtocolFlags(
    pwzUrl: [*c]const u16, // LPCWSTR
    pdwFlags: [*c]u32, // DWORD* out
    dwReserved: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc CoInternetGetProtocolFlags(
    pwzUrl: WideCString,  # LPCWSTR
    pdwFlags: ptr uint32,  # DWORD* out
    dwReserved: uint32  # DWORD
): int32 {.importc: "CoInternetGetProtocolFlags", stdcall, dynlib: "urlmon.dll".}

pragma(lib, "urlmon");
extern(Windows)
int CoInternetGetProtocolFlags(
    const(wchar)* pwzUrl,   // LPCWSTR
    uint* pdwFlags,   // DWORD* out
    uint dwReserved   // DWORD
);

ccall((:CoInternetGetProtocolFlags, "urlmon.dll"), stdcall, Int32,
      (Cwstring, Ptr{UInt32}, UInt32),
      pwzUrl, pdwFlags, dwReserved)
# pwzUrl : LPCWSTR -> Cwstring
# pdwFlags : DWORD* out -> Ptr{UInt32}
# dwReserved : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CoInternetGetProtocolFlags(
    const uint16_t* pwzUrl,
    uint32_t* pdwFlags,
    uint32_t dwReserved);
]]
local urlmon = ffi.load("urlmon")
-- urlmon.CoInternetGetProtocolFlags(pwzUrl, pdwFlags, dwReserved)
-- pwzUrl : LPCWSTR
-- pdwFlags : DWORD* out
-- dwReserved : DWORD
-- 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('urlmon.dll');
const CoInternetGetProtocolFlags = lib.func('__stdcall', 'CoInternetGetProtocolFlags', 'int32_t', ['str16', 'uint32_t *', 'uint32_t']);
// CoInternetGetProtocolFlags(pwzUrl, pdwFlags, dwReserved)
// pwzUrl : LPCWSTR -> 'str16'
// pdwFlags : DWORD* out -> 'uint32_t *'
// dwReserved : DWORD -> 'uint32_t'
// 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("urlmon.dll", {
  CoInternetGetProtocolFlags: { parameters: ["buffer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.CoInternetGetProtocolFlags(pwzUrl, pdwFlags, dwReserved)
// pwzUrl : LPCWSTR -> "buffer"
// pdwFlags : DWORD* out -> "pointer"
// dwReserved : DWORD -> "u32"
// 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 CoInternetGetProtocolFlags(
    const uint16_t* pwzUrl,
    uint32_t* pdwFlags,
    uint32_t dwReserved);
C, "urlmon.dll");
// $ffi->CoInternetGetProtocolFlags(pwzUrl, pdwFlags, dwReserved);
// pwzUrl : LPCWSTR
// pdwFlags : DWORD* out
// dwReserved : DWORD
// 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 Urlmon extends StdCallLibrary {
    Urlmon INSTANCE = Native.load("urlmon", Urlmon.class);
    int CoInternetGetProtocolFlags(
        WString pwzUrl,   // LPCWSTR
        IntByReference pdwFlags,   // DWORD* out
        int dwReserved   // DWORD
    );
}

@[Link("urlmon")]
lib Liburlmon
  fun CoInternetGetProtocolFlags = CoInternetGetProtocolFlags(
    pwzUrl : UInt16*,   # LPCWSTR
    pdwFlags : UInt32*,   # DWORD* out
    dwReserved : UInt32   # DWORD
  ) : 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 CoInternetGetProtocolFlagsNative = Int32 Function(Pointer<Utf16>, Pointer<Uint32>, Uint32);
typedef CoInternetGetProtocolFlagsDart = int Function(Pointer<Utf16>, Pointer<Uint32>, int);
final CoInternetGetProtocolFlags = DynamicLibrary.open('urlmon.dll')
    .lookupFunction<CoInternetGetProtocolFlagsNative, CoInternetGetProtocolFlagsDart>('CoInternetGetProtocolFlags');
// pwzUrl : LPCWSTR -> Pointer<Utf16>
// pdwFlags : DWORD* out -> Pointer<Uint32>
// dwReserved : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CoInternetGetProtocolFlags(
  pwzUrl: PWideChar;   // LPCWSTR
  pdwFlags: Pointer;   // DWORD* out
  dwReserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'CoInternetGetProtocolFlags';

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

foreign import stdcall safe "CoInternetGetProtocolFlags"
  c_CoInternetGetProtocolFlags :: CWString -> Ptr Word32 -> Word32 -> IO Int32
-- pwzUrl : LPCWSTR -> CWString
-- pdwFlags : DWORD* out -> Ptr Word32
-- dwReserved : DWORD -> Word32
-- 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 cointernetgetprotocolflags =
  foreign "CoInternetGetProtocolFlags"
    ((ptr uint16_t) @-> (ptr uint32_t) @-> uint32_t @-> returning int32_t)
(* pwzUrl : LPCWSTR -> (ptr uint16_t) *)
(* pdwFlags : DWORD* out -> (ptr uint32_t) *)
(* dwReserved : DWORD -> uint32_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 urlmon (t "urlmon.dll"))
(cffi:use-foreign-library urlmon)

(cffi:defcfun ("CoInternetGetProtocolFlags" co-internet-get-protocol-flags :convention :stdcall) :int32
  (pwz-url (:string :encoding :utf-16le))   ; LPCWSTR
  (pdw-flags :pointer)   ; DWORD* out
  (dw-reserved :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CoInternetGetProtocolFlags = Win32::API::More->new('urlmon',
    'int CoInternetGetProtocolFlags(LPCWSTR pwzUrl, LPVOID pdwFlags, DWORD dwReserved)');
# my $ret = $CoInternetGetProtocolFlags->Call($pwzUrl, $pdwFlags, $dwReserved);
# pwzUrl : LPCWSTR -> LPCWSTR
# pdwFlags : DWORD* out -> LPVOID
# dwReserved : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。