WebAuthNGetPlatformCredentialList

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

HRESULT WebAuthNGetPlatformCredentialList(
    WEBAUTHN_GET_CREDENTIALS_OPTIONS* pGetCredentialsOptions,
    WEBAUTHN_CREDENTIAL_DETAILS_LIST** ppCredentialDetailsList
);

<DllImport("webauthn.dll", ExactSpelling:=True)>
Public Shared Function WebAuthNGetPlatformCredentialList(
    pGetCredentialsOptions As IntPtr,   ' WEBAUTHN_GET_CREDENTIALS_OPTIONS*
    ppCredentialDetailsList As IntPtr   ' WEBAUTHN_CREDENTIAL_DETAILS_LIST** out
) As Integer
End Function

' pGetCredentialsOptions : WEBAUTHN_GET_CREDENTIALS_OPTIONS*
' ppCredentialDetailsList : WEBAUTHN_CREDENTIAL_DETAILS_LIST** out
Declare PtrSafe Function WebAuthNGetPlatformCredentialList Lib "webauthn" ( _
    ByVal pGetCredentialsOptions As LongPtr, _
    ByVal ppCredentialDetailsList 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

WebAuthNGetPlatformCredentialList = ctypes.windll.webauthn.WebAuthNGetPlatformCredentialList
WebAuthNGetPlatformCredentialList.restype = ctypes.c_int
WebAuthNGetPlatformCredentialList.argtypes = [
    ctypes.c_void_p,  # pGetCredentialsOptions : WEBAUTHN_GET_CREDENTIALS_OPTIONS*
    ctypes.c_void_p,  # ppCredentialDetailsList : WEBAUTHN_CREDENTIAL_DETAILS_LIST** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webauthn.dll')
WebAuthNGetPlatformCredentialList = Fiddle::Function.new(
  lib['WebAuthNGetPlatformCredentialList'],
  [
    Fiddle::TYPE_VOIDP,  # pGetCredentialsOptions : WEBAUTHN_GET_CREDENTIALS_OPTIONS*
    Fiddle::TYPE_VOIDP,  # ppCredentialDetailsList : WEBAUTHN_CREDENTIAL_DETAILS_LIST** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "webauthn")]
extern "system" {
    fn WebAuthNGetPlatformCredentialList(
        pGetCredentialsOptions: *mut WEBAUTHN_GET_CREDENTIALS_OPTIONS,  // WEBAUTHN_GET_CREDENTIALS_OPTIONS*
        ppCredentialDetailsList: *mut *mut WEBAUTHN_CREDENTIAL_DETAILS_LIST  // WEBAUTHN_CREDENTIAL_DETAILS_LIST** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webauthn.dll")]
public static extern int WebAuthNGetPlatformCredentialList(IntPtr pGetCredentialsOptions, IntPtr ppCredentialDetailsList);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webauthn_WebAuthNGetPlatformCredentialList' -Namespace Win32 -PassThru
# $api::WebAuthNGetPlatformCredentialList(pGetCredentialsOptions, ppCredentialDetailsList)

#uselib "webauthn.dll"
#func global WebAuthNGetPlatformCredentialList "WebAuthNGetPlatformCredentialList" sptr, sptr
; WebAuthNGetPlatformCredentialList varptr(pGetCredentialsOptions), varptr(ppCredentialDetailsList)   ; 戻り値は stat
; pGetCredentialsOptions : WEBAUTHN_GET_CREDENTIALS_OPTIONS* -> "sptr"
; ppCredentialDetailsList : WEBAUTHN_CREDENTIAL_DETAILS_LIST** 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。

#uselib "webauthn.dll"
#cfunc global WebAuthNGetPlatformCredentialList "WebAuthNGetPlatformCredentialList" var, var
; res = WebAuthNGetPlatformCredentialList(pGetCredentialsOptions, ppCredentialDetailsList)
; pGetCredentialsOptions : WEBAUTHN_GET_CREDENTIALS_OPTIONS* -> "var"
; ppCredentialDetailsList : WEBAUTHN_CREDENTIAL_DETAILS_LIST** 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。

; HRESULT WebAuthNGetPlatformCredentialList(WEBAUTHN_GET_CREDENTIALS_OPTIONS* pGetCredentialsOptions, WEBAUTHN_CREDENTIAL_DETAILS_LIST** ppCredentialDetailsList)
#uselib "webauthn.dll"
#cfunc global WebAuthNGetPlatformCredentialList "WebAuthNGetPlatformCredentialList" var, var
; res = WebAuthNGetPlatformCredentialList(pGetCredentialsOptions, ppCredentialDetailsList)
; pGetCredentialsOptions : WEBAUTHN_GET_CREDENTIALS_OPTIONS* -> "var"
; ppCredentialDetailsList : WEBAUTHN_CREDENTIAL_DETAILS_LIST** 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")
	procWebAuthNGetPlatformCredentialList = webauthn.NewProc("WebAuthNGetPlatformCredentialList")
)

// pGetCredentialsOptions (WEBAUTHN_GET_CREDENTIALS_OPTIONS*), ppCredentialDetailsList (WEBAUTHN_CREDENTIAL_DETAILS_LIST** out)
r1, _, err := procWebAuthNGetPlatformCredentialList.Call(
	uintptr(pGetCredentialsOptions),
	uintptr(ppCredentialDetailsList),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WebAuthNGetPlatformCredentialList(
  pGetCredentialsOptions: Pointer;   // WEBAUTHN_GET_CREDENTIALS_OPTIONS*
  ppCredentialDetailsList: Pointer   // WEBAUTHN_CREDENTIAL_DETAILS_LIST** out
): Integer; stdcall;
  external 'webauthn.dll' name 'WebAuthNGetPlatformCredentialList';

result := DllCall("webauthn\WebAuthNGetPlatformCredentialList"
    , "Ptr", pGetCredentialsOptions   ; WEBAUTHN_GET_CREDENTIALS_OPTIONS*
    , "Ptr", ppCredentialDetailsList   ; WEBAUTHN_CREDENTIAL_DETAILS_LIST** out
    , "Int")   ; return: HRESULT

●WebAuthNGetPlatformCredentialList(pGetCredentialsOptions, ppCredentialDetailsList) = DLL("webauthn.dll", "int WebAuthNGetPlatformCredentialList(void*, void*)")
# 呼び出し: WebAuthNGetPlatformCredentialList(pGetCredentialsOptions, ppCredentialDetailsList)
# pGetCredentialsOptions : WEBAUTHN_GET_CREDENTIALS_OPTIONS* -> "void*"
# ppCredentialDetailsList : WEBAUTHN_CREDENTIAL_DETAILS_LIST** 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)。