BluetoothEnumerateInstalledServices

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

DWORD BluetoothEnumerateInstalledServices(
    HANDLE hRadio,   // optional
    const BLUETOOTH_DEVICE_INFO* pbtdi,
    DWORD* pcServiceInout,
    GUID* pGuidServices   // optional
);

<DllImport("BluetoothApis.dll", ExactSpelling:=True)>
Public Shared Function BluetoothEnumerateInstalledServices(
    hRadio As IntPtr,   ' HANDLE optional
    pbtdi As IntPtr,   ' BLUETOOTH_DEVICE_INFO*
    ByRef pcServiceInout As UInteger,   ' DWORD* in/out
    pGuidServices As IntPtr   ' GUID* optional, out
) As UInteger
End Function

' hRadio : HANDLE optional
' pbtdi : BLUETOOTH_DEVICE_INFO*
' pcServiceInout : DWORD* in/out
' pGuidServices : GUID* optional, out
Declare PtrSafe Function BluetoothEnumerateInstalledServices Lib "bluetoothapis" ( _
    ByVal hRadio As LongPtr, _
    ByVal pbtdi As LongPtr, _
    ByRef pcServiceInout As Long, _
    ByVal pGuidServices 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

BluetoothEnumerateInstalledServices = ctypes.windll.bluetoothapis.BluetoothEnumerateInstalledServices
BluetoothEnumerateInstalledServices.restype = wintypes.DWORD
BluetoothEnumerateInstalledServices.argtypes = [
    wintypes.HANDLE,  # hRadio : HANDLE optional
    ctypes.c_void_p,  # pbtdi : BLUETOOTH_DEVICE_INFO*
    ctypes.POINTER(wintypes.DWORD),  # pcServiceInout : DWORD* in/out
    ctypes.c_void_p,  # pGuidServices : GUID* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('BluetoothApis.dll')
BluetoothEnumerateInstalledServices = Fiddle::Function.new(
  lib['BluetoothEnumerateInstalledServices'],
  [
    Fiddle::TYPE_VOIDP,  # hRadio : HANDLE optional
    Fiddle::TYPE_VOIDP,  # pbtdi : BLUETOOTH_DEVICE_INFO*
    Fiddle::TYPE_VOIDP,  # pcServiceInout : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pGuidServices : GUID* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "bluetoothapis")]
extern "system" {
    fn BluetoothEnumerateInstalledServices(
        hRadio: *mut core::ffi::c_void,  // HANDLE optional
        pbtdi: *const BLUETOOTH_DEVICE_INFO,  // BLUETOOTH_DEVICE_INFO*
        pcServiceInout: *mut u32,  // DWORD* in/out
        pGuidServices: *mut GUID  // GUID* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("BluetoothApis.dll")]
public static extern uint BluetoothEnumerateInstalledServices(IntPtr hRadio, IntPtr pbtdi, ref uint pcServiceInout, IntPtr pGuidServices);
"@
$api = Add-Type -MemberDefinition $sig -Name 'BluetoothApis_BluetoothEnumerateInstalledServices' -Namespace Win32 -PassThru
# $api::BluetoothEnumerateInstalledServices(hRadio, pbtdi, pcServiceInout, pGuidServices)

#uselib "BluetoothApis.dll"
#func global BluetoothEnumerateInstalledServices "BluetoothEnumerateInstalledServices" sptr, sptr, sptr, sptr
; BluetoothEnumerateInstalledServices hRadio, varptr(pbtdi), varptr(pcServiceInout), varptr(pGuidServices)   ; 戻り値は stat
; hRadio : HANDLE optional -> "sptr"
; pbtdi : BLUETOOTH_DEVICE_INFO* -> "sptr"
; pcServiceInout : DWORD* in/out -> "sptr"
; pGuidServices : GUID* 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 (
	bluetoothapis = windows.NewLazySystemDLL("BluetoothApis.dll")
	procBluetoothEnumerateInstalledServices = bluetoothapis.NewProc("BluetoothEnumerateInstalledServices")
)

// hRadio (HANDLE optional), pbtdi (BLUETOOTH_DEVICE_INFO*), pcServiceInout (DWORD* in/out), pGuidServices (GUID* optional, out)
r1, _, err := procBluetoothEnumerateInstalledServices.Call(
	uintptr(hRadio),
	uintptr(pbtdi),
	uintptr(pcServiceInout),
	uintptr(pGuidServices),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function BluetoothEnumerateInstalledServices(
  hRadio: THandle;   // HANDLE optional
  pbtdi: Pointer;   // BLUETOOTH_DEVICE_INFO*
  pcServiceInout: Pointer;   // DWORD* in/out
  pGuidServices: PGUID   // GUID* optional, out
): DWORD; stdcall;
  external 'BluetoothApis.dll' name 'BluetoothEnumerateInstalledServices';

result := DllCall("BluetoothApis\BluetoothEnumerateInstalledServices"
    , "Ptr", hRadio   ; HANDLE optional
    , "Ptr", pbtdi   ; BLUETOOTH_DEVICE_INFO*
    , "Ptr", pcServiceInout   ; DWORD* in/out
    , "Ptr", pGuidServices   ; GUID* optional, out
    , "UInt")   ; return: DWORD

●BluetoothEnumerateInstalledServices(hRadio, pbtdi, pcServiceInout, pGuidServices) = DLL("BluetoothApis.dll", "dword BluetoothEnumerateInstalledServices(void*, void*, void*, void*)")
# 呼び出し: BluetoothEnumerateInstalledServices(hRadio, pbtdi, pcServiceInout, pGuidServices)
# hRadio : HANDLE optional -> "void*"
# pbtdi : BLUETOOTH_DEVICE_INFO* -> "void*"
# pcServiceInout : DWORD* in/out -> "void*"
# pGuidServices : GUID* 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 "bluetoothapis" fn BluetoothEnumerateInstalledServices(
    hRadio: ?*anyopaque, // HANDLE optional
    pbtdi: [*c]BLUETOOTH_DEVICE_INFO, // BLUETOOTH_DEVICE_INFO*
    pcServiceInout: [*c]u32, // DWORD* in/out
    pGuidServices: [*c]GUID // GUID* optional, out
) callconv(std.os.windows.WINAPI) u32;

proc BluetoothEnumerateInstalledServices(
    hRadio: pointer,  # HANDLE optional
    pbtdi: ptr BLUETOOTH_DEVICE_INFO,  # BLUETOOTH_DEVICE_INFO*
    pcServiceInout: ptr uint32,  # DWORD* in/out
    pGuidServices: ptr GUID  # GUID* optional, out
): uint32 {.importc: "BluetoothEnumerateInstalledServices", stdcall, dynlib: "BluetoothApis.dll".}

pragma(lib, "bluetoothapis");
extern(Windows)
uint BluetoothEnumerateInstalledServices(
    void* hRadio,   // HANDLE optional
    BLUETOOTH_DEVICE_INFO* pbtdi,   // BLUETOOTH_DEVICE_INFO*
    uint* pcServiceInout,   // DWORD* in/out
    GUID* pGuidServices   // GUID* optional, out
);

ccall((:BluetoothEnumerateInstalledServices, "BluetoothApis.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{BLUETOOTH_DEVICE_INFO}, Ptr{UInt32}, Ptr{GUID}),
      hRadio, pbtdi, pcServiceInout, pGuidServices)
# hRadio : HANDLE optional -> Ptr{Cvoid}
# pbtdi : BLUETOOTH_DEVICE_INFO* -> Ptr{BLUETOOTH_DEVICE_INFO}
# pcServiceInout : DWORD* in/out -> Ptr{UInt32}
# pGuidServices : GUID* optional, out -> Ptr{GUID}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t BluetoothEnumerateInstalledServices(
    void* hRadio,
    void* pbtdi,
    uint32_t* pcServiceInout,
    void* pGuidServices);
]]
local bluetoothapis = ffi.load("bluetoothapis")
-- bluetoothapis.BluetoothEnumerateInstalledServices(hRadio, pbtdi, pcServiceInout, pGuidServices)
-- hRadio : HANDLE optional
-- pbtdi : BLUETOOTH_DEVICE_INFO*
-- pcServiceInout : DWORD* in/out
-- pGuidServices : GUID* 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('BluetoothApis.dll');
const BluetoothEnumerateInstalledServices = lib.func('__stdcall', 'BluetoothEnumerateInstalledServices', 'uint32_t', ['void *', 'void *', 'uint32_t *', 'void *']);
// BluetoothEnumerateInstalledServices(hRadio, pbtdi, pcServiceInout, pGuidServices)
// hRadio : HANDLE optional -> 'void *'
// pbtdi : BLUETOOTH_DEVICE_INFO* -> 'void *'
// pcServiceInout : DWORD* in/out -> 'uint32_t *'
// pGuidServices : GUID* 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("BluetoothApis.dll", {
  BluetoothEnumerateInstalledServices: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.BluetoothEnumerateInstalledServices(hRadio, pbtdi, pcServiceInout, pGuidServices)
// hRadio : HANDLE optional -> "pointer"
// pbtdi : BLUETOOTH_DEVICE_INFO* -> "pointer"
// pcServiceInout : DWORD* in/out -> "pointer"
// pGuidServices : GUID* 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 BluetoothEnumerateInstalledServices(
    void* hRadio,
    void* pbtdi,
    uint32_t* pcServiceInout,
    void* pGuidServices);
C, "BluetoothApis.dll");
// $ffi->BluetoothEnumerateInstalledServices(hRadio, pbtdi, pcServiceInout, pGuidServices);
// hRadio : HANDLE optional
// pbtdi : BLUETOOTH_DEVICE_INFO*
// pcServiceInout : DWORD* in/out
// pGuidServices : GUID* 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 Bluetoothapis extends StdCallLibrary {
    Bluetoothapis INSTANCE = Native.load("bluetoothapis", Bluetoothapis.class);
    int BluetoothEnumerateInstalledServices(
        Pointer hRadio,   // HANDLE optional
        Pointer pbtdi,   // BLUETOOTH_DEVICE_INFO*
        IntByReference pcServiceInout,   // DWORD* in/out
        Pointer pGuidServices   // GUID* optional, out
    );
}

@[Link("bluetoothapis")]
lib LibBluetoothApis
  fun BluetoothEnumerateInstalledServices = BluetoothEnumerateInstalledServices(
    hRadio : Void*,   # HANDLE optional
    pbtdi : BLUETOOTH_DEVICE_INFO*,   # BLUETOOTH_DEVICE_INFO*
    pcServiceInout : UInt32*,   # DWORD* in/out
    pGuidServices : GUID*   # GUID* 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 BluetoothEnumerateInstalledServicesNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef BluetoothEnumerateInstalledServicesDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final BluetoothEnumerateInstalledServices = DynamicLibrary.open('BluetoothApis.dll')
    .lookupFunction<BluetoothEnumerateInstalledServicesNative, BluetoothEnumerateInstalledServicesDart>('BluetoothEnumerateInstalledServices');
// hRadio : HANDLE optional -> Pointer<Void>
// pbtdi : BLUETOOTH_DEVICE_INFO* -> Pointer<Void>
// pcServiceInout : DWORD* in/out -> Pointer<Uint32>
// pGuidServices : GUID* optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function BluetoothEnumerateInstalledServices(
  hRadio: THandle;   // HANDLE optional
  pbtdi: Pointer;   // BLUETOOTH_DEVICE_INFO*
  pcServiceInout: Pointer;   // DWORD* in/out
  pGuidServices: PGUID   // GUID* optional, out
): DWORD; stdcall;
  external 'BluetoothApis.dll' name 'BluetoothEnumerateInstalledServices';

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

foreign import stdcall safe "BluetoothEnumerateInstalledServices"
  c_BluetoothEnumerateInstalledServices :: Ptr () -> Ptr () -> Ptr Word32 -> Ptr () -> IO Word32
-- hRadio : HANDLE optional -> Ptr ()
-- pbtdi : BLUETOOTH_DEVICE_INFO* -> Ptr ()
-- pcServiceInout : DWORD* in/out -> Ptr Word32
-- pGuidServices : GUID* 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 bluetoothenumerateinstalledservices =
  foreign "BluetoothEnumerateInstalledServices"
    ((ptr void) @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning uint32_t)
(* hRadio : HANDLE optional -> (ptr void) *)
(* pbtdi : BLUETOOTH_DEVICE_INFO* -> (ptr void) *)
(* pcServiceInout : DWORD* in/out -> (ptr uint32_t) *)
(* pGuidServices : GUID* 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 bluetoothapis (t "BluetoothApis.dll"))
(cffi:use-foreign-library bluetoothapis)

(cffi:defcfun ("BluetoothEnumerateInstalledServices" bluetooth-enumerate-installed-services :convention :stdcall) :uint32
  (h-radio :pointer)   ; HANDLE optional
  (pbtdi :pointer)   ; BLUETOOTH_DEVICE_INFO*
  (pc-service-inout :pointer)   ; DWORD* in/out
  (p-guid-services :pointer))   ; GUID* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $BluetoothEnumerateInstalledServices = Win32::API::More->new('BluetoothApis',
    'DWORD BluetoothEnumerateInstalledServices(HANDLE hRadio, LPVOID pbtdi, LPVOID pcServiceInout, LPVOID pGuidServices)');
# my $ret = $BluetoothEnumerateInstalledServices->Call($hRadio, $pbtdi, $pcServiceInout, $pGuidServices);
# hRadio : HANDLE optional -> HANDLE
# pbtdi : BLUETOOTH_DEVICE_INFO* -> LPVOID
# pcServiceInout : DWORD* in/out -> LPVOID
# pGuidServices : GUID* 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。