CredUIPromptForCredentialsA

// credui.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR CredUIPromptForCredentialsA(
    CREDUI_INFOA* pUiInfo,   // optional
    LPCSTR pszTargetName,   // optional
    SecHandle* pContext,   // optional
    DWORD dwAuthError,
    LPSTR pszUserName,
    DWORD ulUserNameBufferSize,
    LPSTR pszPassword,
    DWORD ulPasswordBufferSize,
    BOOL* save,   // optional
    CREDUI_FLAGS dwFlags
);

<DllImport("credui.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function CredUIPromptForCredentialsA(
    pUiInfo As IntPtr,   ' CREDUI_INFOA* optional
    <MarshalAs(UnmanagedType.LPStr)> pszTargetName As String,   ' LPCSTR optional
    pContext As IntPtr,   ' SecHandle* optional
    dwAuthError As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> pszUserName As System.Text.StringBuilder,   ' LPSTR in/out
    ulUserNameBufferSize As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> pszPassword As System.Text.StringBuilder,   ' LPSTR in/out
    ulPasswordBufferSize As UInteger,   ' DWORD
    save As IntPtr,   ' BOOL* optional, in/out
    dwFlags As UInteger   ' CREDUI_FLAGS
) As UInteger
End Function

' pUiInfo : CREDUI_INFOA* optional
' pszTargetName : LPCSTR optional
' pContext : SecHandle* optional
' dwAuthError : DWORD
' pszUserName : LPSTR in/out
' ulUserNameBufferSize : DWORD
' pszPassword : LPSTR in/out
' ulPasswordBufferSize : DWORD
' save : BOOL* optional, in/out
' dwFlags : CREDUI_FLAGS
Declare PtrSafe Function CredUIPromptForCredentialsA Lib "credui" ( _
    ByVal pUiInfo As LongPtr, _
    ByVal pszTargetName As String, _
    ByVal pContext As LongPtr, _
    ByVal dwAuthError As Long, _
    ByVal pszUserName As String, _
    ByVal ulUserNameBufferSize As Long, _
    ByVal pszPassword As String, _
    ByVal ulPasswordBufferSize As Long, _
    ByVal save As LongPtr, _
    ByVal dwFlags 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

CredUIPromptForCredentialsA = ctypes.windll.credui.CredUIPromptForCredentialsA
CredUIPromptForCredentialsA.restype = wintypes.DWORD
CredUIPromptForCredentialsA.argtypes = [
    ctypes.c_void_p,  # pUiInfo : CREDUI_INFOA* optional
    wintypes.LPCSTR,  # pszTargetName : LPCSTR optional
    ctypes.c_void_p,  # pContext : SecHandle* optional
    wintypes.DWORD,  # dwAuthError : DWORD
    wintypes.LPSTR,  # pszUserName : LPSTR in/out
    wintypes.DWORD,  # ulUserNameBufferSize : DWORD
    wintypes.LPSTR,  # pszPassword : LPSTR in/out
    wintypes.DWORD,  # ulPasswordBufferSize : DWORD
    ctypes.c_void_p,  # save : BOOL* optional, in/out
    wintypes.DWORD,  # dwFlags : CREDUI_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('credui.dll')
CredUIPromptForCredentialsA = Fiddle::Function.new(
  lib['CredUIPromptForCredentialsA'],
  [
    Fiddle::TYPE_VOIDP,  # pUiInfo : CREDUI_INFOA* optional
    Fiddle::TYPE_VOIDP,  # pszTargetName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pContext : SecHandle* optional
    -Fiddle::TYPE_INT,  # dwAuthError : DWORD
    Fiddle::TYPE_VOIDP,  # pszUserName : LPSTR in/out
    -Fiddle::TYPE_INT,  # ulUserNameBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # pszPassword : LPSTR in/out
    -Fiddle::TYPE_INT,  # ulPasswordBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # save : BOOL* optional, in/out
    -Fiddle::TYPE_INT,  # dwFlags : CREDUI_FLAGS
  ],
  -Fiddle::TYPE_INT)

#[link(name = "credui")]
extern "system" {
    fn CredUIPromptForCredentialsA(
        pUiInfo: *mut CREDUI_INFOA,  // CREDUI_INFOA* optional
        pszTargetName: *const u8,  // LPCSTR optional
        pContext: *mut SecHandle,  // SecHandle* optional
        dwAuthError: u32,  // DWORD
        pszUserName: *mut u8,  // LPSTR in/out
        ulUserNameBufferSize: u32,  // DWORD
        pszPassword: *mut u8,  // LPSTR in/out
        ulPasswordBufferSize: u32,  // DWORD
        save: *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.Ansi)]
public static extern uint CredUIPromptForCredentialsA(IntPtr pUiInfo, [MarshalAs(UnmanagedType.LPStr)] string pszTargetName, IntPtr pContext, uint dwAuthError, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszUserName, uint ulUserNameBufferSize, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszPassword, uint ulPasswordBufferSize, IntPtr save, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'credui_CredUIPromptForCredentialsA' -Namespace Win32 -PassThru
# $api::CredUIPromptForCredentialsA(pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags)

#uselib "credui.dll"
#func global CredUIPromptForCredentialsA "CredUIPromptForCredentialsA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CredUIPromptForCredentialsA varptr(pUiInfo), pszTargetName, varptr(pContext), dwAuthError, varptr(pszUserName), ulUserNameBufferSize, varptr(pszPassword), ulPasswordBufferSize, varptr(save), dwFlags   ; 戻り値は stat
; pUiInfo : CREDUI_INFOA* optional -> "sptr"
; pszTargetName : LPCSTR optional -> "sptr"
; pContext : SecHandle* optional -> "sptr"
; dwAuthError : DWORD -> "sptr"
; pszUserName : LPSTR in/out -> "sptr"
; ulUserNameBufferSize : DWORD -> "sptr"
; pszPassword : LPSTR in/out -> "sptr"
; ulPasswordBufferSize : DWORD -> "sptr"
; save : BOOL* optional, in/out -> "sptr"
; dwFlags : CREDUI_FLAGS -> "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 (
	credui = windows.NewLazySystemDLL("credui.dll")
	procCredUIPromptForCredentialsA = credui.NewProc("CredUIPromptForCredentialsA")
)

// pUiInfo (CREDUI_INFOA* optional), pszTargetName (LPCSTR optional), pContext (SecHandle* optional), dwAuthError (DWORD), pszUserName (LPSTR in/out), ulUserNameBufferSize (DWORD), pszPassword (LPSTR in/out), ulPasswordBufferSize (DWORD), save (BOOL* optional, in/out), dwFlags (CREDUI_FLAGS)
r1, _, err := procCredUIPromptForCredentialsA.Call(
	uintptr(pUiInfo),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszTargetName))),
	uintptr(pContext),
	uintptr(dwAuthError),
	uintptr(pszUserName),
	uintptr(ulUserNameBufferSize),
	uintptr(pszPassword),
	uintptr(ulPasswordBufferSize),
	uintptr(save),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function CredUIPromptForCredentialsA(
  pUiInfo: Pointer;   // CREDUI_INFOA* optional
  pszTargetName: PAnsiChar;   // LPCSTR optional
  pContext: Pointer;   // SecHandle* optional
  dwAuthError: DWORD;   // DWORD
  pszUserName: PAnsiChar;   // LPSTR in/out
  ulUserNameBufferSize: DWORD;   // DWORD
  pszPassword: PAnsiChar;   // LPSTR in/out
  ulPasswordBufferSize: DWORD;   // DWORD
  save: Pointer;   // BOOL* optional, in/out
  dwFlags: DWORD   // CREDUI_FLAGS
): DWORD; stdcall;
  external 'credui.dll' name 'CredUIPromptForCredentialsA';

result := DllCall("credui\CredUIPromptForCredentialsA"
    , "Ptr", pUiInfo   ; CREDUI_INFOA* optional
    , "AStr", pszTargetName   ; LPCSTR optional
    , "Ptr", pContext   ; SecHandle* optional
    , "UInt", dwAuthError   ; DWORD
    , "Ptr", pszUserName   ; LPSTR in/out
    , "UInt", ulUserNameBufferSize   ; DWORD
    , "Ptr", pszPassword   ; LPSTR in/out
    , "UInt", ulPasswordBufferSize   ; DWORD
    , "Ptr", save   ; BOOL* optional, in/out
    , "UInt", dwFlags   ; CREDUI_FLAGS
    , "UInt")   ; return: WIN32_ERROR

●CredUIPromptForCredentialsA(pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags) = DLL("credui.dll", "dword CredUIPromptForCredentialsA(void*, char*, void*, dword, char*, dword, char*, dword, void*, dword)")
# 呼び出し: CredUIPromptForCredentialsA(pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags)
# pUiInfo : CREDUI_INFOA* optional -> "void*"
# pszTargetName : LPCSTR optional -> "char*"
# pContext : SecHandle* optional -> "void*"
# dwAuthError : DWORD -> "dword"
# pszUserName : LPSTR in/out -> "char*"
# ulUserNameBufferSize : DWORD -> "dword"
# pszPassword : LPSTR in/out -> "char*"
# ulPasswordBufferSize : DWORD -> "dword"
# save : 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)。

const std = @import("std");

extern "credui" fn CredUIPromptForCredentialsA(
    pUiInfo: [*c]CREDUI_INFOA, // CREDUI_INFOA* optional
    pszTargetName: [*c]const u8, // LPCSTR optional
    pContext: [*c]SecHandle, // SecHandle* optional
    dwAuthError: u32, // DWORD
    pszUserName: [*c]u8, // LPSTR in/out
    ulUserNameBufferSize: u32, // DWORD
    pszPassword: [*c]u8, // LPSTR in/out
    ulPasswordBufferSize: u32, // DWORD
    save: [*c]i32, // BOOL* optional, in/out
    dwFlags: u32 // CREDUI_FLAGS
) callconv(std.os.windows.WINAPI) u32;

proc CredUIPromptForCredentialsA(
    pUiInfo: ptr CREDUI_INFOA,  # CREDUI_INFOA* optional
    pszTargetName: cstring,  # LPCSTR optional
    pContext: ptr SecHandle,  # SecHandle* optional
    dwAuthError: uint32,  # DWORD
    pszUserName: ptr char,  # LPSTR in/out
    ulUserNameBufferSize: uint32,  # DWORD
    pszPassword: ptr char,  # LPSTR in/out
    ulPasswordBufferSize: uint32,  # DWORD
    save: ptr int32,  # BOOL* optional, in/out
    dwFlags: uint32  # CREDUI_FLAGS
): uint32 {.importc: "CredUIPromptForCredentialsA", stdcall, dynlib: "credui.dll".}

pragma(lib, "credui");
extern(Windows)
uint CredUIPromptForCredentialsA(
    CREDUI_INFOA* pUiInfo,   // CREDUI_INFOA* optional
    const(char)* pszTargetName,   // LPCSTR optional
    SecHandle* pContext,   // SecHandle* optional
    uint dwAuthError,   // DWORD
    char* pszUserName,   // LPSTR in/out
    uint ulUserNameBufferSize,   // DWORD
    char* pszPassword,   // LPSTR in/out
    uint ulPasswordBufferSize,   // DWORD
    int* save,   // BOOL* optional, in/out
    uint dwFlags   // CREDUI_FLAGS
);

ccall((:CredUIPromptForCredentialsA, "credui.dll"), stdcall, UInt32,
      (Ptr{CREDUI_INFOA}, Cstring, Ptr{SecHandle}, UInt32, Ptr{UInt8}, UInt32, Ptr{UInt8}, UInt32, Ptr{Int32}, UInt32),
      pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags)
# pUiInfo : CREDUI_INFOA* optional -> Ptr{CREDUI_INFOA}
# pszTargetName : LPCSTR optional -> Cstring
# pContext : SecHandle* optional -> Ptr{SecHandle}
# dwAuthError : DWORD -> UInt32
# pszUserName : LPSTR in/out -> Ptr{UInt8}
# ulUserNameBufferSize : DWORD -> UInt32
# pszPassword : LPSTR in/out -> Ptr{UInt8}
# ulPasswordBufferSize : DWORD -> UInt32
# save : 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)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t CredUIPromptForCredentialsA(
    void* pUiInfo,
    const char* pszTargetName,
    void* pContext,
    uint32_t dwAuthError,
    char* pszUserName,
    uint32_t ulUserNameBufferSize,
    char* pszPassword,
    uint32_t ulPasswordBufferSize,
    int32_t* save,
    uint32_t dwFlags);
]]
local credui = ffi.load("credui")
-- credui.CredUIPromptForCredentialsA(pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags)
-- pUiInfo : CREDUI_INFOA* optional
-- pszTargetName : LPCSTR optional
-- pContext : SecHandle* optional
-- dwAuthError : DWORD
-- pszUserName : LPSTR in/out
-- ulUserNameBufferSize : DWORD
-- pszPassword : LPSTR in/out
-- ulPasswordBufferSize : DWORD
-- save : 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。

const koffi = require('koffi');
const lib = koffi.load('credui.dll');
const CredUIPromptForCredentialsA = lib.func('__stdcall', 'CredUIPromptForCredentialsA', 'uint32_t', ['void *', 'str', 'void *', 'uint32_t', 'char *', 'uint32_t', 'char *', 'uint32_t', 'int32_t *', 'uint32_t']);
// CredUIPromptForCredentialsA(pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags)
// pUiInfo : CREDUI_INFOA* optional -> 'void *'
// pszTargetName : LPCSTR optional -> 'str'
// pContext : SecHandle* optional -> 'void *'
// dwAuthError : DWORD -> 'uint32_t'
// pszUserName : LPSTR in/out -> 'char *'
// ulUserNameBufferSize : DWORD -> 'uint32_t'
// pszPassword : LPSTR in/out -> 'char *'
// ulPasswordBufferSize : DWORD -> 'uint32_t'
// save : 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", {
  CredUIPromptForCredentialsA: { parameters: ["pointer", "buffer", "pointer", "u32", "buffer", "u32", "buffer", "u32", "pointer", "u32"], result: "u32" },
});
// lib.symbols.CredUIPromptForCredentialsA(pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags)
// pUiInfo : CREDUI_INFOA* optional -> "pointer"
// pszTargetName : LPCSTR optional -> "buffer"
// pContext : SecHandle* optional -> "pointer"
// dwAuthError : DWORD -> "u32"
// pszUserName : LPSTR in/out -> "buffer"
// ulUserNameBufferSize : DWORD -> "u32"
// pszPassword : LPSTR in/out -> "buffer"
// ulPasswordBufferSize : DWORD -> "u32"
// save : BOOL* optional, in/out -> "pointer"
// dwFlags : CREDUI_FLAGS -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t CredUIPromptForCredentialsA(
    void* pUiInfo,
    const char* pszTargetName,
    void* pContext,
    uint32_t dwAuthError,
    char* pszUserName,
    uint32_t ulUserNameBufferSize,
    char* pszPassword,
    uint32_t ulPasswordBufferSize,
    int32_t* save,
    uint32_t dwFlags);
C, "credui.dll");
// $ffi->CredUIPromptForCredentialsA(pUiInfo, pszTargetName, pContext, dwAuthError, pszUserName, ulUserNameBufferSize, pszPassword, ulPasswordBufferSize, save, dwFlags);
// pUiInfo : CREDUI_INFOA* optional
// pszTargetName : LPCSTR optional
// pContext : SecHandle* optional
// dwAuthError : DWORD
// pszUserName : LPSTR in/out
// ulUserNameBufferSize : DWORD
// pszPassword : LPSTR in/out
// ulPasswordBufferSize : DWORD
// save : 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.ASCII_OPTIONS);
    int CredUIPromptForCredentialsA(
        Pointer pUiInfo,   // CREDUI_INFOA* optional
        String pszTargetName,   // LPCSTR optional
        Pointer pContext,   // SecHandle* optional
        int dwAuthError,   // DWORD
        byte[] pszUserName,   // LPSTR in/out
        int ulUserNameBufferSize,   // DWORD
        byte[] pszPassword,   // LPSTR in/out
        int ulPasswordBufferSize,   // DWORD
        IntByReference save,   // BOOL* optional, in/out
        int dwFlags   // CREDUI_FLAGS
    );
}

@[Link("credui")]
lib Libcredui
  fun CredUIPromptForCredentialsA = CredUIPromptForCredentialsA(
    pUiInfo : CREDUI_INFOA*,   # CREDUI_INFOA* optional
    pszTargetName : UInt8*,   # LPCSTR optional
    pContext : SecHandle*,   # SecHandle* optional
    dwAuthError : UInt32,   # DWORD
    pszUserName : UInt8*,   # LPSTR in/out
    ulUserNameBufferSize : UInt32,   # DWORD
    pszPassword : UInt8*,   # LPSTR in/out
    ulPasswordBufferSize : UInt32,   # DWORD
    save : 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 CredUIPromptForCredentialsANative = Uint32 Function(Pointer<Void>, Pointer<Utf8>, Pointer<Void>, Uint32, Pointer<Utf8>, Uint32, Pointer<Utf8>, Uint32, Pointer<Int32>, Uint32);
typedef CredUIPromptForCredentialsADart = int Function(Pointer<Void>, Pointer<Utf8>, Pointer<Void>, int, Pointer<Utf8>, int, Pointer<Utf8>, int, Pointer<Int32>, int);
final CredUIPromptForCredentialsA = DynamicLibrary.open('credui.dll')
    .lookupFunction<CredUIPromptForCredentialsANative, CredUIPromptForCredentialsADart>('CredUIPromptForCredentialsA');
// pUiInfo : CREDUI_INFOA* optional -> Pointer<Void>
// pszTargetName : LPCSTR optional -> Pointer<Utf8>
// pContext : SecHandle* optional -> Pointer<Void>
// dwAuthError : DWORD -> Uint32
// pszUserName : LPSTR in/out -> Pointer<Utf8>
// ulUserNameBufferSize : DWORD -> Uint32
// pszPassword : LPSTR in/out -> Pointer<Utf8>
// ulPasswordBufferSize : DWORD -> Uint32
// save : 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 CredUIPromptForCredentialsA(
  pUiInfo: Pointer;   // CREDUI_INFOA* optional
  pszTargetName: PAnsiChar;   // LPCSTR optional
  pContext: Pointer;   // SecHandle* optional
  dwAuthError: DWORD;   // DWORD
  pszUserName: PAnsiChar;   // LPSTR in/out
  ulUserNameBufferSize: DWORD;   // DWORD
  pszPassword: PAnsiChar;   // LPSTR in/out
  ulPasswordBufferSize: DWORD;   // DWORD
  save: Pointer;   // BOOL* optional, in/out
  dwFlags: DWORD   // CREDUI_FLAGS
): DWORD; stdcall;
  external 'credui.dll' name 'CredUIPromptForCredentialsA';

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

foreign import stdcall safe "CredUIPromptForCredentialsA"
  c_CredUIPromptForCredentialsA :: Ptr () -> CString -> Ptr () -> Word32 -> CString -> Word32 -> CString -> Word32 -> Ptr CInt -> Word32 -> IO Word32
-- pUiInfo : CREDUI_INFOA* optional -> Ptr ()
-- pszTargetName : LPCSTR optional -> CString
-- pContext : SecHandle* optional -> Ptr ()
-- dwAuthError : DWORD -> Word32
-- pszUserName : LPSTR in/out -> CString
-- ulUserNameBufferSize : DWORD -> Word32
-- pszPassword : LPSTR in/out -> CString
-- ulPasswordBufferSize : DWORD -> Word32
-- save : 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 creduipromptforcredentialsa =
  foreign "CredUIPromptForCredentialsA"
    ((ptr void) @-> string @-> (ptr void) @-> uint32_t @-> string @-> uint32_t @-> string @-> uint32_t @-> (ptr int32_t) @-> uint32_t @-> returning uint32_t)
(* pUiInfo : CREDUI_INFOA* optional -> (ptr void) *)
(* pszTargetName : LPCSTR optional -> string *)
(* pContext : SecHandle* optional -> (ptr void) *)
(* dwAuthError : DWORD -> uint32_t *)
(* pszUserName : LPSTR in/out -> string *)
(* ulUserNameBufferSize : DWORD -> uint32_t *)
(* pszPassword : LPSTR in/out -> string *)
(* ulPasswordBufferSize : DWORD -> uint32_t *)
(* save : 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 ("CredUIPromptForCredentialsA" cred-uiprompt-for-credentials-a :convention :stdcall) :uint32
  (p-ui-info :pointer)   ; CREDUI_INFOA* optional
  (psz-target-name :string)   ; LPCSTR optional
  (p-context :pointer)   ; SecHandle* optional
  (dw-auth-error :uint32)   ; DWORD
  (psz-user-name :pointer)   ; LPSTR in/out
  (ul-user-name-buffer-size :uint32)   ; DWORD
  (psz-password :pointer)   ; LPSTR in/out
  (ul-password-buffer-size :uint32)   ; DWORD
  (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 $CredUIPromptForCredentialsA = Win32::API::More->new('credui',
    'DWORD CredUIPromptForCredentialsA(LPVOID pUiInfo, LPCSTR pszTargetName, LPVOID pContext, DWORD dwAuthError, LPSTR pszUserName, DWORD ulUserNameBufferSize, LPSTR pszPassword, DWORD ulPasswordBufferSize, LPVOID save, DWORD dwFlags)');
# my $ret = $CredUIPromptForCredentialsA->Call($pUiInfo, $pszTargetName, $pContext, $dwAuthError, $pszUserName, $ulUserNameBufferSize, $pszPassword, $ulPasswordBufferSize, $save, $dwFlags);
# pUiInfo : CREDUI_INFOA* optional -> LPVOID
# pszTargetName : LPCSTR optional -> LPCSTR
# pContext : SecHandle* optional -> LPVOID
# dwAuthError : DWORD -> DWORD
# pszUserName : LPSTR in/out -> LPSTR
# ulUserNameBufferSize : DWORD -> DWORD
# pszPassword : LPSTR in/out -> LPSTR
# ulPasswordBufferSize : DWORD -> DWORD
# save : 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。