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WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable

関数
ユーザー検証可能なプラットフォーム認証器が利用可能かを判定する。
DLLwebauthn.dll呼出規約winapi
📘 Microsoft Learn (日本語) · English

シグネチャ

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

HRESULT WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    BOOL* pbIsUserVerifyingPlatformAuthenticatorAvailable
);

パラメーター

名前型方向説明
pbIsUserVerifyingPlatformAuthenticatorAvailableBOOL*outユーザー検証可能なプラットフォーム認証器が利用可能かを受け取るBOOLへのポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    BOOL* pbIsUserVerifyingPlatformAuthenticatorAvailable
);
[DllImport("webauthn.dll", ExactSpelling = true)]
static extern int WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    out bool pbIsUserVerifyingPlatformAuthenticatorAvailable   // BOOL* out
);
<DllImport("webauthn.dll", ExactSpelling:=True)>
Public Shared Function WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    <Out> ByRef pbIsUserVerifyingPlatformAuthenticatorAvailable As Boolean   ' BOOL* out
) As Integer
End Function
' pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out
Declare PtrSafe Function WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable Lib "webauthn" ( _
    ByRef pbIsUserVerifyingPlatformAuthenticatorAvailable 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

WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable = ctypes.windll.webauthn.WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable
WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable.restype = ctypes.c_int
WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable.argtypes = [
    ctypes.c_void_p,  # pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webauthn.dll')
WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable = Fiddle::Function.new(
  lib['WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable'],
  [
    Fiddle::TYPE_VOIDP,  # pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "webauthn")]
extern "system" {
    fn WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
        pbIsUserVerifyingPlatformAuthenticatorAvailable: *mut i32  // BOOL* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("webauthn.dll")]
public static extern int WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(out bool pbIsUserVerifyingPlatformAuthenticatorAvailable);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webauthn_WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable' -Namespace Win32 -PassThru
# $api::WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable)
#uselib "webauthn.dll"
#func global WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable "WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable" sptr
; WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable varptr(pbIsUserVerifyingPlatformAuthenticatorAvailable)   ; 戻り値は stat
; pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* 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。
出力引数: 
#uselib "webauthn.dll"
#cfunc global WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable "WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable" var
; res = WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable)
; pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数: 
; HRESULT WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(BOOL* pbIsUserVerifyingPlatformAuthenticatorAvailable)
#uselib "webauthn.dll"
#cfunc global WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable "WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable" var
; res = WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable)
; pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	webauthn = windows.NewLazySystemDLL("webauthn.dll")
	procWebAuthNIsUserVerifyingPlatformAuthenticatorAvailable = webauthn.NewProc("WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable")
)

// pbIsUserVerifyingPlatformAuthenticatorAvailable (BOOL* out)
r1, _, err := procWebAuthNIsUserVerifyingPlatformAuthenticatorAvailable.Call(
	uintptr(pbIsUserVerifyingPlatformAuthenticatorAvailable),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
  pbIsUserVerifyingPlatformAuthenticatorAvailable: Pointer   // BOOL* out
): Integer; stdcall;
  external 'webauthn.dll' name 'WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable';
result := DllCall("webauthn\WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable"
    , "Ptr", pbIsUserVerifyingPlatformAuthenticatorAvailable   ; BOOL* out
    , "Int")   ; return: HRESULT
●WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable) = DLL("webauthn.dll", "int WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(void*)")
# 呼び出し: WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable)
# pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* 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 "webauthn" fn WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    pbIsUserVerifyingPlatformAuthenticatorAvailable: [*c]i32 // BOOL* out
) callconv(std.os.windows.WINAPI) i32;
proc WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    pbIsUserVerifyingPlatformAuthenticatorAvailable: ptr int32  # BOOL* out
): int32 {.importc: "WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable", stdcall, dynlib: "webauthn.dll".}
pragma(lib, "webauthn");
extern(Windows)
int WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    int* pbIsUserVerifyingPlatformAuthenticatorAvailable   // BOOL* out
);
ccall((:WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable, "webauthn.dll"), stdcall, Int32,
      (Ptr{Int32},),
      pbIsUserVerifyingPlatformAuthenticatorAvailable)
# pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    int32_t* pbIsUserVerifyingPlatformAuthenticatorAvailable);
]]
local webauthn = ffi.load("webauthn")
-- webauthn.WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable)
-- pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* 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('webauthn.dll');
const WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable = lib.func('__stdcall', 'WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable', 'int32_t', ['int32_t *']);
// WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable)
// pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> 'int32_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("webauthn.dll", {
  WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable)
// pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* 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 WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    int32_t* pbIsUserVerifyingPlatformAuthenticatorAvailable);
C, "webauthn.dll");
// $ffi->WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(pbIsUserVerifyingPlatformAuthenticatorAvailable);
// pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* 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 Webauthn extends StdCallLibrary {
    Webauthn INSTANCE = Native.load("webauthn", Webauthn.class);
    int WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
        IntByReference pbIsUserVerifyingPlatformAuthenticatorAvailable   // BOOL* out
    );
}
@[Link("webauthn")]
lib Libwebauthn
  fun WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable = WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
    pbIsUserVerifyingPlatformAuthenticatorAvailable : Int32*   # BOOL* 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 WebAuthNIsUserVerifyingPlatformAuthenticatorAvailableNative = Int32 Function(Pointer<Int32>);
typedef WebAuthNIsUserVerifyingPlatformAuthenticatorAvailableDart = int Function(Pointer<Int32>);
final WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable = DynamicLibrary.open('webauthn.dll')
    .lookupFunction<WebAuthNIsUserVerifyingPlatformAuthenticatorAvailableNative, WebAuthNIsUserVerifyingPlatformAuthenticatorAvailableDart>('WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable');
// pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(
  pbIsUserVerifyingPlatformAuthenticatorAvailable: Pointer   // BOOL* out
): Integer; stdcall;
  external 'webauthn.dll' name 'WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable"
  c_WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable :: Ptr CInt -> IO Int32
-- pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> Ptr CInt
-- 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 webauthnisuserverifyingplatformauthenticatoravailable =
  foreign "WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable"
    ((ptr int32_t) @-> returning int32_t)
(* pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> (ptr int32_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 webauthn (t "webauthn.dll"))
(cffi:use-foreign-library webauthn)

(cffi:defcfun ("WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable" web-auth-nis-user-verifying-platform-authenticator-available :convention :stdcall) :int32
  (pb-is-user-verifying-platform-authenticator-available :pointer))   ; BOOL* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable = Win32::API::More->new('webauthn',
    'int WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable(LPVOID pbIsUserVerifyingPlatformAuthenticatorAvailable)');
# my $ret = $WebAuthNIsUserVerifyingPlatformAuthenticatorAvailable->Call($pbIsUserVerifyingPlatformAuthenticatorAvailable);
# pbIsUserVerifyingPlatformAuthenticatorAvailable : BOOL* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。