WinBioEnumBiometricUnits

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

HRESULT WinBioEnumBiometricUnits(
    DWORD Factor,
    WINBIO_UNIT_SCHEMA** UnitSchemaArray,
    UINT_PTR* UnitCount
);

<DllImport("winbio.dll", ExactSpelling:=True)>
Public Shared Function WinBioEnumBiometricUnits(
    Factor As UInteger,   ' DWORD
    UnitSchemaArray As IntPtr,   ' WINBIO_UNIT_SCHEMA** out
    <Out> ByRef UnitCount As UIntPtr   ' UINT_PTR* out
) As Integer
End Function

' Factor : DWORD
' UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
' UnitCount : UINT_PTR* out
Declare PtrSafe Function WinBioEnumBiometricUnits Lib "winbio" ( _
    ByVal Factor As Long, _
    ByVal UnitSchemaArray As LongPtr, _
    ByRef UnitCount 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

WinBioEnumBiometricUnits = ctypes.windll.winbio.WinBioEnumBiometricUnits
WinBioEnumBiometricUnits.restype = ctypes.c_int
WinBioEnumBiometricUnits.argtypes = [
    wintypes.DWORD,  # Factor : DWORD
    ctypes.c_void_p,  # UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
    ctypes.POINTER(ctypes.c_size_t),  # UnitCount : UINT_PTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winbio.dll')
WinBioEnumBiometricUnits = Fiddle::Function.new(
  lib['WinBioEnumBiometricUnits'],
  [
    -Fiddle::TYPE_INT,  # Factor : DWORD
    Fiddle::TYPE_VOIDP,  # UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
    Fiddle::TYPE_VOIDP,  # UnitCount : UINT_PTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winbio")]
extern "system" {
    fn WinBioEnumBiometricUnits(
        Factor: u32,  // DWORD
        UnitSchemaArray: *mut *mut WINBIO_UNIT_SCHEMA,  // WINBIO_UNIT_SCHEMA** out
        UnitCount: *mut usize  // UINT_PTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winbio.dll")]
public static extern int WinBioEnumBiometricUnits(uint Factor, IntPtr UnitSchemaArray, out UIntPtr UnitCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winbio_WinBioEnumBiometricUnits' -Namespace Win32 -PassThru
# $api::WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)

#uselib "winbio.dll"
#func global WinBioEnumBiometricUnits "WinBioEnumBiometricUnits" sptr, sptr, sptr
; WinBioEnumBiometricUnits Factor, varptr(UnitSchemaArray), varptr(UnitCount)   ; 戻り値は stat
; Factor : DWORD -> "sptr"
; UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "sptr"
; UnitCount : UINT_PTR* 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 (
	winbio = windows.NewLazySystemDLL("winbio.dll")
	procWinBioEnumBiometricUnits = winbio.NewProc("WinBioEnumBiometricUnits")
)

// Factor (DWORD), UnitSchemaArray (WINBIO_UNIT_SCHEMA** out), UnitCount (UINT_PTR* out)
r1, _, err := procWinBioEnumBiometricUnits.Call(
	uintptr(Factor),
	uintptr(UnitSchemaArray),
	uintptr(UnitCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WinBioEnumBiometricUnits(
  Factor: DWORD;   // DWORD
  UnitSchemaArray: Pointer;   // WINBIO_UNIT_SCHEMA** out
  UnitCount: Pointer   // UINT_PTR* out
): Integer; stdcall;
  external 'winbio.dll' name 'WinBioEnumBiometricUnits';

result := DllCall("winbio\WinBioEnumBiometricUnits"
    , "UInt", Factor   ; DWORD
    , "Ptr", UnitSchemaArray   ; WINBIO_UNIT_SCHEMA** out
    , "Ptr", UnitCount   ; UINT_PTR* out
    , "Int")   ; return: HRESULT

●WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount) = DLL("winbio.dll", "int WinBioEnumBiometricUnits(dword, void*, void*)")
# 呼び出し: WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)
# Factor : DWORD -> "dword"
# UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "void*"
# UnitCount : UINT_PTR* 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 "winbio" fn WinBioEnumBiometricUnits(
    Factor: u32, // DWORD
    UnitSchemaArray: [*c][*c]WINBIO_UNIT_SCHEMA, // WINBIO_UNIT_SCHEMA** out
    UnitCount: [*c]usize // UINT_PTR* out
) callconv(std.os.windows.WINAPI) i32;

proc WinBioEnumBiometricUnits(
    Factor: uint32,  # DWORD
    UnitSchemaArray: ptr WINBIO_UNIT_SCHEMA,  # WINBIO_UNIT_SCHEMA** out
    UnitCount: ptr uint  # UINT_PTR* out
): int32 {.importc: "WinBioEnumBiometricUnits", stdcall, dynlib: "winbio.dll".}

pragma(lib, "winbio");
extern(Windows)
int WinBioEnumBiometricUnits(
    uint Factor,   // DWORD
    WINBIO_UNIT_SCHEMA** UnitSchemaArray,   // WINBIO_UNIT_SCHEMA** out
    size_t* UnitCount   // UINT_PTR* out
);

ccall((:WinBioEnumBiometricUnits, "winbio.dll"), stdcall, Int32,
      (UInt32, Ptr{WINBIO_UNIT_SCHEMA}, Ptr{Csize_t}),
      Factor, UnitSchemaArray, UnitCount)
# Factor : DWORD -> UInt32
# UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> Ptr{WINBIO_UNIT_SCHEMA}
# UnitCount : UINT_PTR* out -> Ptr{Csize_t}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WinBioEnumBiometricUnits(
    uint32_t Factor,
    void* UnitSchemaArray,
    uintptr_t* UnitCount);
]]
local winbio = ffi.load("winbio")
-- winbio.WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)
-- Factor : DWORD
-- UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
-- UnitCount : UINT_PTR* 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('winbio.dll');
const WinBioEnumBiometricUnits = lib.func('__stdcall', 'WinBioEnumBiometricUnits', 'int32_t', ['uint32_t', 'void *', 'uintptr_t *']);
// WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)
// Factor : DWORD -> 'uint32_t'
// UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> 'void *'
// UnitCount : UINT_PTR* out -> 'uintptr_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("winbio.dll", {
  WinBioEnumBiometricUnits: { parameters: ["u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)
// Factor : DWORD -> "u32"
// UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "pointer"
// UnitCount : UINT_PTR* 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 WinBioEnumBiometricUnits(
    uint32_t Factor,
    void* UnitSchemaArray,
    size_t* UnitCount);
C, "winbio.dll");
// $ffi->WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount);
// Factor : DWORD
// UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
// UnitCount : UINT_PTR* 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 Winbio extends StdCallLibrary {
    Winbio INSTANCE = Native.load("winbio", Winbio.class);
    int WinBioEnumBiometricUnits(
        int Factor,   // DWORD
        Pointer UnitSchemaArray,   // WINBIO_UNIT_SCHEMA** out
        LongByReference UnitCount   // UINT_PTR* out
    );
}

@[Link("winbio")]
lib Libwinbio
  fun WinBioEnumBiometricUnits = WinBioEnumBiometricUnits(
    Factor : UInt32,   # DWORD
    UnitSchemaArray : WINBIO_UNIT_SCHEMA**,   # WINBIO_UNIT_SCHEMA** out
    UnitCount : LibC::SizeT*   # UINT_PTR* 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 WinBioEnumBiometricUnitsNative = Int32 Function(Uint32, Pointer<Void>, Pointer<UintPtr>);
typedef WinBioEnumBiometricUnitsDart = int Function(int, Pointer<Void>, Pointer<UintPtr>);
final WinBioEnumBiometricUnits = DynamicLibrary.open('winbio.dll')
    .lookupFunction<WinBioEnumBiometricUnitsNative, WinBioEnumBiometricUnitsDart>('WinBioEnumBiometricUnits');
// Factor : DWORD -> Uint32
// UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> Pointer<Void>
// UnitCount : UINT_PTR* out -> Pointer<UintPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WinBioEnumBiometricUnits(
  Factor: DWORD;   // DWORD
  UnitSchemaArray: Pointer;   // WINBIO_UNIT_SCHEMA** out
  UnitCount: Pointer   // UINT_PTR* out
): Integer; stdcall;
  external 'winbio.dll' name 'WinBioEnumBiometricUnits';

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

foreign import stdcall safe "WinBioEnumBiometricUnits"
  c_WinBioEnumBiometricUnits :: Word32 -> Ptr () -> Ptr CUIntPtr -> IO Int32
-- Factor : DWORD -> Word32
-- UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> Ptr ()
-- UnitCount : UINT_PTR* out -> Ptr CUIntPtr
-- 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 winbioenumbiometricunits =
  foreign "WinBioEnumBiometricUnits"
    (uint32_t @-> (ptr void) @-> (ptr size_t) @-> returning int32_t)
(* Factor : DWORD -> uint32_t *)
(* UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> (ptr void) *)
(* UnitCount : UINT_PTR* out -> (ptr size_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 winbio (t "winbio.dll"))
(cffi:use-foreign-library winbio)

(cffi:defcfun ("WinBioEnumBiometricUnits" win-bio-enum-biometric-units :convention :stdcall) :int32
  (factor :uint32)   ; DWORD
  (unit-schema-array :pointer)   ; WINBIO_UNIT_SCHEMA** out
  (unit-count :pointer))   ; UINT_PTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WinBioEnumBiometricUnits = Win32::API::More->new('winbio',
    'int WinBioEnumBiometricUnits(DWORD Factor, LPVOID UnitSchemaArray, LPVOID UnitCount)');
# my $ret = $WinBioEnumBiometricUnits->Call($Factor, $UnitSchemaArray, $UnitCount);
# Factor : DWORD -> DWORD
# UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> LPVOID
# UnitCount : UINT_PTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。