CredUICmdLinePromptForCredentialsW

// credui.dll  (Unicode / -W)
#include <windows.h>

DWORD CredUICmdLinePromptForCredentialsW(
    LPCWSTR pszTargetName,   // optional
    SecHandle* pContext,   // optional
    DWORD dwAuthError,
    LPWSTR UserName,
    DWORD ulUserBufferSize,
    LPWSTR pszPassword,
    DWORD ulPasswordBufferSize,
    BOOL* pfSave,   // optional
    CREDUI_FLAGS dwFlags
);

<DllImport("credui.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CredUICmdLinePromptForCredentialsW(
    <MarshalAs(UnmanagedType.LPWStr)> pszTargetName As String,   ' LPCWSTR optional
    pContext As IntPtr,   ' SecHandle* optional
    dwAuthError As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> UserName As System.Text.StringBuilder,   ' LPWSTR in/out
    ulUserBufferSize As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pszPassword As System.Text.StringBuilder,   ' LPWSTR in/out
    ulPasswordBufferSize As UInteger,   ' DWORD
    pfSave As IntPtr,   ' BOOL* optional, in/out
    dwFlags As UInteger   ' CREDUI_FLAGS
) As UInteger
End Function

' pszTargetName : LPCWSTR optional
' pContext : SecHandle* optional
' dwAuthError : DWORD
' UserName : LPWSTR in/out
' ulUserBufferSize : DWORD
' pszPassword : LPWSTR in/out
' ulPasswordBufferSize : DWORD
' pfSave : BOOL* optional, in/out
' dwFlags : CREDUI_FLAGS
Declare PtrSafe Function CredUICmdLinePromptForCredentialsW Lib "credui" ( _
    ByVal pszTargetName As LongPtr, _
    ByVal pContext As LongPtr, _
    ByVal dwAuthError As Long, _
    ByVal UserName As LongPtr, _
    ByVal ulUserBufferSize As Long, _
    ByVal pszPassword As LongPtr, _
    ByVal ulPasswordBufferSize As Long, _
    ByVal pfSave As LongPtr, _
    ByVal dwFlags As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CredUICmdLinePromptForCredentialsW = ctypes.windll.credui.CredUICmdLinePromptForCredentialsW
CredUICmdLinePromptForCredentialsW.restype = wintypes.DWORD
CredUICmdLinePromptForCredentialsW.argtypes = [
    wintypes.LPCWSTR,  # pszTargetName : LPCWSTR optional
    ctypes.c_void_p,  # pContext : SecHandle* optional
    wintypes.DWORD,  # dwAuthError : DWORD
    wintypes.LPWSTR,  # UserName : LPWSTR in/out
    wintypes.DWORD,  # ulUserBufferSize : DWORD
    wintypes.LPWSTR,  # pszPassword : LPWSTR in/out
    wintypes.DWORD,  # ulPasswordBufferSize : DWORD
    ctypes.c_void_p,  # pfSave : BOOL* optional, in/out
    wintypes.DWORD,  # dwFlags : CREDUI_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('credui.dll')
CredUICmdLinePromptForCredentialsW = Fiddle::Function.new(
  lib['CredUICmdLinePromptForCredentialsW'],
  [
    Fiddle::TYPE_VOIDP,  # pszTargetName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pContext : SecHandle* optional
    -Fiddle::TYPE_INT,  # dwAuthError : DWORD
    Fiddle::TYPE_VOIDP,  # UserName : LPWSTR in/out
    -Fiddle::TYPE_INT,  # ulUserBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # pszPassword : LPWSTR in/out
    -Fiddle::TYPE_INT,  # ulPasswordBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # pfSave : BOOL* optional, in/out
    -Fiddle::TYPE_INT,  # dwFlags : CREDUI_FLAGS
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "credui")]
extern "system" {
    fn CredUICmdLinePromptForCredentialsW(
        pszTargetName: *const u16,  // LPCWSTR optional
        pContext: *mut SecHandle,  // SecHandle* optional
        dwAuthError: u32,  // DWORD
        UserName: *mut u16,  // LPWSTR in/out
        ulUserBufferSize: u32,  // DWORD
        pszPassword: *mut u16,  // LPWSTR in/out
        ulPasswordBufferSize: u32,  // DWORD
        pfSave: *mut i32,  // BOOL* optional, in/out
        dwFlags: u32  // CREDUI_FLAGS
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("credui.dll", CharSet = CharSet.Unicode)]
public static extern uint CredUICmdLinePromptForCredentialsW([MarshalAs(UnmanagedType.LPWStr)] string pszTargetName, IntPtr pContext, uint dwAuthError, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder UserName, uint ulUserBufferSize, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszPassword, uint ulPasswordBufferSize, IntPtr pfSave, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'credui_CredUICmdLinePromptForCredentialsW' -Namespace Win32 -PassThru
# $api::CredUICmdLinePromptForCredentialsW(pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags)

#uselib "credui.dll"
#func global CredUICmdLinePromptForCredentialsW "CredUICmdLinePromptForCredentialsW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; CredUICmdLinePromptForCredentialsW pszTargetName, varptr(pContext), dwAuthError, varptr(UserName), ulUserBufferSize, varptr(pszPassword), ulPasswordBufferSize, varptr(pfSave), dwFlags   ; 戻り値は stat
; pszTargetName : LPCWSTR optional -> "wptr"
; pContext : SecHandle* optional -> "wptr"
; dwAuthError : DWORD -> "wptr"
; UserName : LPWSTR in/out -> "wptr"
; ulUserBufferSize : DWORD -> "wptr"
; pszPassword : LPWSTR in/out -> "wptr"
; ulPasswordBufferSize : DWORD -> "wptr"
; pfSave : BOOL* optional, in/out -> "wptr"
; dwFlags : CREDUI_FLAGS -> "wptr"
; ※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 (
	credui = windows.NewLazySystemDLL("credui.dll")
	procCredUICmdLinePromptForCredentialsW = credui.NewProc("CredUICmdLinePromptForCredentialsW")
)

// pszTargetName (LPCWSTR optional), pContext (SecHandle* optional), dwAuthError (DWORD), UserName (LPWSTR in/out), ulUserBufferSize (DWORD), pszPassword (LPWSTR in/out), ulPasswordBufferSize (DWORD), pfSave (BOOL* optional, in/out), dwFlags (CREDUI_FLAGS)
r1, _, err := procCredUICmdLinePromptForCredentialsW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszTargetName))),
	uintptr(pContext),
	uintptr(dwAuthError),
	uintptr(UserName),
	uintptr(ulUserBufferSize),
	uintptr(pszPassword),
	uintptr(ulPasswordBufferSize),
	uintptr(pfSave),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function CredUICmdLinePromptForCredentialsW(
  pszTargetName: PWideChar;   // LPCWSTR optional
  pContext: Pointer;   // SecHandle* optional
  dwAuthError: DWORD;   // DWORD
  UserName: PWideChar;   // LPWSTR in/out
  ulUserBufferSize: DWORD;   // DWORD
  pszPassword: PWideChar;   // LPWSTR in/out
  ulPasswordBufferSize: DWORD;   // DWORD
  pfSave: Pointer;   // BOOL* optional, in/out
  dwFlags: DWORD   // CREDUI_FLAGS
): DWORD; stdcall;
  external 'credui.dll' name 'CredUICmdLinePromptForCredentialsW';

result := DllCall("credui\CredUICmdLinePromptForCredentialsW"
    , "WStr", pszTargetName   ; LPCWSTR optional
    , "Ptr", pContext   ; SecHandle* optional
    , "UInt", dwAuthError   ; DWORD
    , "Ptr", UserName   ; LPWSTR in/out
    , "UInt", ulUserBufferSize   ; DWORD
    , "Ptr", pszPassword   ; LPWSTR in/out
    , "UInt", ulPasswordBufferSize   ; DWORD
    , "Ptr", pfSave   ; BOOL* optional, in/out
    , "UInt", dwFlags   ; CREDUI_FLAGS
    , "UInt")   ; return: DWORD

●CredUICmdLinePromptForCredentialsW(pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags) = DLL("credui.dll", "dword CredUICmdLinePromptForCredentialsW(char*, void*, dword, char*, dword, char*, dword, void*, dword)")
# 呼び出し: CredUICmdLinePromptForCredentialsW(pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags)
# pszTargetName : LPCWSTR optional -> "char*"
# pContext : SecHandle* optional -> "void*"
# dwAuthError : DWORD -> "dword"
# UserName : LPWSTR in/out -> "char*"
# ulUserBufferSize : DWORD -> "dword"
# pszPassword : LPWSTR in/out -> "char*"
# ulPasswordBufferSize : DWORD -> "dword"
# pfSave : BOOL* optional, in/out -> "void*"
# dwFlags : CREDUI_FLAGS -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "credui" fn CredUICmdLinePromptForCredentialsW(
    pszTargetName: [*c]const u16, // LPCWSTR optional
    pContext: [*c]SecHandle, // SecHandle* optional
    dwAuthError: u32, // DWORD
    UserName: [*c]u16, // LPWSTR in/out
    ulUserBufferSize: u32, // DWORD
    pszPassword: [*c]u16, // LPWSTR in/out
    ulPasswordBufferSize: u32, // DWORD
    pfSave: [*c]i32, // BOOL* optional, in/out
    dwFlags: u32 // CREDUI_FLAGS
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CredUICmdLinePromptForCredentialsW(
    pszTargetName: WideCString,  # LPCWSTR optional
    pContext: ptr SecHandle,  # SecHandle* optional
    dwAuthError: uint32,  # DWORD
    UserName: ptr uint16,  # LPWSTR in/out
    ulUserBufferSize: uint32,  # DWORD
    pszPassword: ptr uint16,  # LPWSTR in/out
    ulPasswordBufferSize: uint32,  # DWORD
    pfSave: ptr int32,  # BOOL* optional, in/out
    dwFlags: uint32  # CREDUI_FLAGS
): uint32 {.importc: "CredUICmdLinePromptForCredentialsW", stdcall, dynlib: "credui.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "credui");
extern(Windows)
uint CredUICmdLinePromptForCredentialsW(
    const(wchar)* pszTargetName,   // LPCWSTR optional
    SecHandle* pContext,   // SecHandle* optional
    uint dwAuthError,   // DWORD
    wchar* UserName,   // LPWSTR in/out
    uint ulUserBufferSize,   // DWORD
    wchar* pszPassword,   // LPWSTR in/out
    uint ulPasswordBufferSize,   // DWORD
    int* pfSave,   // BOOL* optional, in/out
    uint dwFlags   // CREDUI_FLAGS
);

ccall((:CredUICmdLinePromptForCredentialsW, "credui.dll"), stdcall, UInt32,
      (Cwstring, Ptr{SecHandle}, UInt32, Ptr{UInt16}, UInt32, Ptr{UInt16}, UInt32, Ptr{Int32}, UInt32),
      pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags)
# pszTargetName : LPCWSTR optional -> Cwstring
# pContext : SecHandle* optional -> Ptr{SecHandle}
# dwAuthError : DWORD -> UInt32
# UserName : LPWSTR in/out -> Ptr{UInt16}
# ulUserBufferSize : DWORD -> UInt32
# pszPassword : LPWSTR in/out -> Ptr{UInt16}
# ulPasswordBufferSize : DWORD -> UInt32
# pfSave : BOOL* optional, in/out -> Ptr{Int32}
# dwFlags : CREDUI_FLAGS -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
uint32_t CredUICmdLinePromptForCredentialsW(
    const uint16_t* pszTargetName,
    void* pContext,
    uint32_t dwAuthError,
    uint16_t* UserName,
    uint32_t ulUserBufferSize,
    uint16_t* pszPassword,
    uint32_t ulPasswordBufferSize,
    int32_t* pfSave,
    uint32_t dwFlags);
]]
local credui = ffi.load("credui")
-- credui.CredUICmdLinePromptForCredentialsW(pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags)
-- pszTargetName : LPCWSTR optional
-- pContext : SecHandle* optional
-- dwAuthError : DWORD
-- UserName : LPWSTR in/out
-- ulUserBufferSize : DWORD
-- pszPassword : LPWSTR in/out
-- ulPasswordBufferSize : DWORD
-- pfSave : BOOL* optional, in/out
-- dwFlags : CREDUI_FLAGS
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('credui.dll');
const CredUICmdLinePromptForCredentialsW = lib.func('__stdcall', 'CredUICmdLinePromptForCredentialsW', 'uint32_t', ['str16', 'void *', 'uint32_t', 'uint16_t *', 'uint32_t', 'uint16_t *', 'uint32_t', 'int32_t *', 'uint32_t']);
// CredUICmdLinePromptForCredentialsW(pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags)
// pszTargetName : LPCWSTR optional -> 'str16'
// pContext : SecHandle* optional -> 'void *'
// dwAuthError : DWORD -> 'uint32_t'
// UserName : LPWSTR in/out -> 'uint16_t *'
// ulUserBufferSize : DWORD -> 'uint32_t'
// pszPassword : LPWSTR in/out -> 'uint16_t *'
// ulPasswordBufferSize : DWORD -> 'uint32_t'
// pfSave : BOOL* optional, in/out -> 'int32_t *'
// dwFlags : CREDUI_FLAGS -> '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("credui.dll", {
  CredUICmdLinePromptForCredentialsW: { parameters: ["buffer", "pointer", "u32", "buffer", "u32", "buffer", "u32", "pointer", "u32"], result: "u32" },
});
// lib.symbols.CredUICmdLinePromptForCredentialsW(pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags)
// pszTargetName : LPCWSTR optional -> "buffer"
// pContext : SecHandle* optional -> "pointer"
// dwAuthError : DWORD -> "u32"
// UserName : LPWSTR in/out -> "buffer"
// ulUserBufferSize : DWORD -> "u32"
// pszPassword : LPWSTR in/out -> "buffer"
// ulPasswordBufferSize : DWORD -> "u32"
// pfSave : BOOL* optional, in/out -> "pointer"
// dwFlags : CREDUI_FLAGS -> "u32"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 CredUICmdLinePromptForCredentialsW(
    const uint16_t* pszTargetName,
    void* pContext,
    uint32_t dwAuthError,
    uint16_t* UserName,
    uint32_t ulUserBufferSize,
    uint16_t* pszPassword,
    uint32_t ulPasswordBufferSize,
    int32_t* pfSave,
    uint32_t dwFlags);
C, "credui.dll");
// $ffi->CredUICmdLinePromptForCredentialsW(pszTargetName, pContext, dwAuthError, UserName, ulUserBufferSize, pszPassword, ulPasswordBufferSize, pfSave, dwFlags);
// pszTargetName : LPCWSTR optional
// pContext : SecHandle* optional
// dwAuthError : DWORD
// UserName : LPWSTR in/out
// ulUserBufferSize : DWORD
// pszPassword : LPWSTR in/out
// ulPasswordBufferSize : DWORD
// pfSave : BOOL* optional, in/out
// dwFlags : CREDUI_FLAGS
// 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 Credui extends StdCallLibrary {
    Credui INSTANCE = Native.load("credui", Credui.class, W32APIOptions.UNICODE_OPTIONS);
    int CredUICmdLinePromptForCredentialsW(
        WString pszTargetName,   // LPCWSTR optional
        Pointer pContext,   // SecHandle* optional
        int dwAuthError,   // DWORD
        char[] UserName,   // LPWSTR in/out
        int ulUserBufferSize,   // DWORD
        char[] pszPassword,   // LPWSTR in/out
        int ulPasswordBufferSize,   // DWORD
        IntByReference pfSave,   // BOOL* optional, in/out
        int dwFlags   // CREDUI_FLAGS
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("credui")]
lib Libcredui
  fun CredUICmdLinePromptForCredentialsW = CredUICmdLinePromptForCredentialsW(
    pszTargetName : UInt16*,   # LPCWSTR optional
    pContext : SecHandle*,   # SecHandle* optional
    dwAuthError : UInt32,   # DWORD
    UserName : UInt16*,   # LPWSTR in/out
    ulUserBufferSize : UInt32,   # DWORD
    pszPassword : UInt16*,   # LPWSTR in/out
    ulPasswordBufferSize : UInt32,   # DWORD
    pfSave : Int32*,   # BOOL* optional, in/out
    dwFlags : UInt32   # CREDUI_FLAGS
  ) : 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 CredUICmdLinePromptForCredentialsWNative = Uint32 Function(Pointer<Utf16>, Pointer<Void>, Uint32, Pointer<Utf16>, Uint32, Pointer<Utf16>, Uint32, Pointer<Int32>, Uint32);
typedef CredUICmdLinePromptForCredentialsWDart = int Function(Pointer<Utf16>, Pointer<Void>, int, Pointer<Utf16>, int, Pointer<Utf16>, int, Pointer<Int32>, int);
final CredUICmdLinePromptForCredentialsW = DynamicLibrary.open('credui.dll')
    .lookupFunction<CredUICmdLinePromptForCredentialsWNative, CredUICmdLinePromptForCredentialsWDart>('CredUICmdLinePromptForCredentialsW');
// pszTargetName : LPCWSTR optional -> Pointer<Utf16>
// pContext : SecHandle* optional -> Pointer<Void>
// dwAuthError : DWORD -> Uint32
// UserName : LPWSTR in/out -> Pointer<Utf16>
// ulUserBufferSize : DWORD -> Uint32
// pszPassword : LPWSTR in/out -> Pointer<Utf16>
// ulPasswordBufferSize : DWORD -> Uint32
// pfSave : BOOL* optional, in/out -> Pointer<Int32>
// dwFlags : CREDUI_FLAGS -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CredUICmdLinePromptForCredentialsW(
  pszTargetName: PWideChar;   // LPCWSTR optional
  pContext: Pointer;   // SecHandle* optional
  dwAuthError: DWORD;   // DWORD
  UserName: PWideChar;   // LPWSTR in/out
  ulUserBufferSize: DWORD;   // DWORD
  pszPassword: PWideChar;   // LPWSTR in/out
  ulPasswordBufferSize: DWORD;   // DWORD
  pfSave: Pointer;   // BOOL* optional, in/out
  dwFlags: DWORD   // CREDUI_FLAGS
): DWORD; stdcall;
  external 'credui.dll' name 'CredUICmdLinePromptForCredentialsW';

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

foreign import stdcall safe "CredUICmdLinePromptForCredentialsW"
  c_CredUICmdLinePromptForCredentialsW :: CWString -> Ptr () -> Word32 -> CWString -> Word32 -> CWString -> Word32 -> Ptr CInt -> Word32 -> IO Word32
-- pszTargetName : LPCWSTR optional -> CWString
-- pContext : SecHandle* optional -> Ptr ()
-- dwAuthError : DWORD -> Word32
-- UserName : LPWSTR in/out -> CWString
-- ulUserBufferSize : DWORD -> Word32
-- pszPassword : LPWSTR in/out -> CWString
-- ulPasswordBufferSize : DWORD -> Word32
-- pfSave : BOOL* optional, in/out -> Ptr CInt
-- dwFlags : CREDUI_FLAGS -> 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 creduicmdlinepromptforcredentialsw =
  foreign "CredUICmdLinePromptForCredentialsW"
    ((ptr uint16_t) @-> (ptr void) @-> uint32_t @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint16_t) @-> uint32_t @-> (ptr int32_t) @-> uint32_t @-> returning uint32_t)
(* pszTargetName : LPCWSTR optional -> (ptr uint16_t) *)
(* pContext : SecHandle* optional -> (ptr void) *)
(* dwAuthError : DWORD -> uint32_t *)
(* UserName : LPWSTR in/out -> (ptr uint16_t) *)
(* ulUserBufferSize : DWORD -> uint32_t *)
(* pszPassword : LPWSTR in/out -> (ptr uint16_t) *)
(* ulPasswordBufferSize : DWORD -> uint32_t *)
(* pfSave : BOOL* optional, in/out -> (ptr int32_t) *)
(* dwFlags : CREDUI_FLAGS -> 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 credui (t "credui.dll"))
(cffi:use-foreign-library credui)

(cffi:defcfun ("CredUICmdLinePromptForCredentialsW" cred-uicmd-line-prompt-for-credentials-w :convention :stdcall) :uint32
  (psz-target-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (p-context :pointer)   ; SecHandle* optional
  (dw-auth-error :uint32)   ; DWORD
  (user-name :pointer)   ; LPWSTR in/out
  (ul-user-buffer-size :uint32)   ; DWORD
  (psz-password :pointer)   ; LPWSTR in/out
  (ul-password-buffer-size :uint32)   ; DWORD
  (pf-save :pointer)   ; BOOL* optional, in/out
  (dw-flags :uint32))   ; CREDUI_FLAGS
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CredUICmdLinePromptForCredentialsW = Win32::API::More->new('credui',
    'DWORD CredUICmdLinePromptForCredentialsW(LPCWSTR pszTargetName, LPVOID pContext, DWORD dwAuthError, LPWSTR UserName, DWORD ulUserBufferSize, LPWSTR pszPassword, DWORD ulPasswordBufferSize, LPVOID pfSave, DWORD dwFlags)');
# my $ret = $CredUICmdLinePromptForCredentialsW->Call($pszTargetName, $pContext, $dwAuthError, $UserName, $ulUserBufferSize, $pszPassword, $ulPasswordBufferSize, $pfSave, $dwFlags);
# pszTargetName : LPCWSTR optional -> LPCWSTR
# pContext : SecHandle* optional -> LPVOID
# dwAuthError : DWORD -> DWORD
# UserName : LPWSTR in/out -> LPWSTR
# ulUserBufferSize : DWORD -> DWORD
# pszPassword : LPWSTR in/out -> LPWSTR
# ulPasswordBufferSize : DWORD -> DWORD
# pfSave : BOOL* optional, in/out -> LPVOID
# dwFlags : CREDUI_FLAGS -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。