CredDeleteW

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

BOOL CredDeleteW(
    LPCWSTR TargetName,
    CRED_TYPE Type,
    DWORD Flags   // optional
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CredDeleteW(
    <MarshalAs(UnmanagedType.LPWStr)> TargetName As String,   ' LPCWSTR
    Type As UInteger,   ' CRED_TYPE
    Flags As UInteger   ' DWORD optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' TargetName : LPCWSTR
' Type : CRED_TYPE
' Flags : DWORD optional
Declare PtrSafe Function CredDeleteW Lib "advapi32" ( _
    ByVal TargetName As LongPtr, _
    ByVal Type As Long, _
    ByVal Flags 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

CredDeleteW = ctypes.windll.advapi32.CredDeleteW
CredDeleteW.restype = wintypes.BOOL
CredDeleteW.argtypes = [
    wintypes.LPCWSTR,  # TargetName : LPCWSTR
    wintypes.DWORD,  # Type : CRED_TYPE
    wintypes.DWORD,  # Flags : DWORD optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
CredDeleteW = Fiddle::Function.new(
  lib['CredDeleteW'],
  [
    Fiddle::TYPE_VOIDP,  # TargetName : LPCWSTR
    -Fiddle::TYPE_INT,  # Type : CRED_TYPE
    -Fiddle::TYPE_INT,  # Flags : DWORD optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "advapi32")]
extern "system" {
    fn CredDeleteW(
        TargetName: *const u16,  // LPCWSTR
        Type: u32,  // CRED_TYPE
        Flags: u32  // DWORD optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool CredDeleteW([MarshalAs(UnmanagedType.LPWStr)] string TargetName, uint Type, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CredDeleteW' -Namespace Win32 -PassThru
# $api::CredDeleteW(TargetName, Type, Flags)

#uselib "ADVAPI32.dll"
#func global CredDeleteW "CredDeleteW" wptr, wptr, wptr
; CredDeleteW TargetName, Type, Flags   ; 戻り値は stat
; TargetName : LPCWSTR -> "wptr"
; Type : CRED_TYPE -> "wptr"
; Flags : DWORD optional -> "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。

#uselib "ADVAPI32.dll"
#cfunc global CredDeleteW "CredDeleteW" wstr, int, int
; res = CredDeleteW(TargetName, Type, Flags)
; TargetName : LPCWSTR -> "wstr"
; Type : CRED_TYPE -> "int"
; Flags : DWORD optional -> "int"

; BOOL CredDeleteW(LPCWSTR TargetName, CRED_TYPE Type, DWORD Flags)
#uselib "ADVAPI32.dll"
#cfunc global CredDeleteW "CredDeleteW" wstr, int, int
; res = CredDeleteW(TargetName, Type, Flags)
; TargetName : LPCWSTR -> "wstr"
; Type : CRED_TYPE -> "int"
; Flags : DWORD optional -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCredDeleteW = advapi32.NewProc("CredDeleteW")
)

// TargetName (LPCWSTR), Type (CRED_TYPE), Flags (DWORD optional)
r1, _, err := procCredDeleteW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(TargetName))),
	uintptr(Type),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CredDeleteW(
  TargetName: PWideChar;   // LPCWSTR
  Type: DWORD;   // CRED_TYPE
  Flags: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CredDeleteW';

result := DllCall("ADVAPI32\CredDeleteW"
    , "WStr", TargetName   ; LPCWSTR
    , "UInt", Type   ; CRED_TYPE
    , "UInt", Flags   ; DWORD optional
    , "Int")   ; return: BOOL

●CredDeleteW(TargetName, Type, Flags) = DLL("ADVAPI32.dll", "bool CredDeleteW(char*, dword, dword)")
# 呼び出し: CredDeleteW(TargetName, Type, Flags)
# TargetName : LPCWSTR -> "char*"
# Type : CRED_TYPE -> "dword"
# Flags : DWORD optional -> "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 "advapi32" fn CredDeleteW(
    TargetName: [*c]const u16, // LPCWSTR
    Type: u32, // CRED_TYPE
    Flags: u32 // DWORD optional
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CredDeleteW(
    TargetName: WideCString,  # LPCWSTR
    Type: uint32,  # CRED_TYPE
    Flags: uint32  # DWORD optional
): int32 {.importc: "CredDeleteW", stdcall, dynlib: "ADVAPI32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "advapi32");
extern(Windows)
int CredDeleteW(
    const(wchar)* TargetName,   // LPCWSTR
    uint Type,   // CRED_TYPE
    uint Flags   // DWORD optional
);

ccall((:CredDeleteW, "ADVAPI32.dll"), stdcall, Int32,
      (Cwstring, UInt32, UInt32),
      TargetName, Type, Flags)
# TargetName : LPCWSTR -> Cwstring
# Type : CRED_TYPE -> UInt32
# Flags : DWORD optional -> 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[[
int32_t CredDeleteW(
    const uint16_t* TargetName,
    uint32_t Type,
    uint32_t Flags);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.CredDeleteW(TargetName, Type, Flags)
-- TargetName : LPCWSTR
-- Type : CRED_TYPE
-- Flags : DWORD optional
-- 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('ADVAPI32.dll');
const CredDeleteW = lib.func('__stdcall', 'CredDeleteW', 'int32_t', ['str16', 'uint32_t', 'uint32_t']);
// CredDeleteW(TargetName, Type, Flags)
// TargetName : LPCWSTR -> 'str16'
// Type : CRED_TYPE -> 'uint32_t'
// Flags : DWORD optional -> '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("ADVAPI32.dll", {
  CredDeleteW: { parameters: ["buffer", "u32", "u32"], result: "i32" },
});
// lib.symbols.CredDeleteW(TargetName, Type, Flags)
// TargetName : LPCWSTR -> "buffer"
// Type : CRED_TYPE -> "u32"
// Flags : DWORD optional -> "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
int32_t CredDeleteW(
    const uint16_t* TargetName,
    uint32_t Type,
    uint32_t Flags);
C, "ADVAPI32.dll");
// $ffi->CredDeleteW(TargetName, Type, Flags);
// TargetName : LPCWSTR
// Type : CRED_TYPE
// Flags : DWORD optional
// 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 Advapi32 extends StdCallLibrary {
    Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class, W32APIOptions.UNICODE_OPTIONS);
    boolean CredDeleteW(
        WString TargetName,   // LPCWSTR
        int Type,   // CRED_TYPE
        int Flags   // DWORD optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("advapi32")]
lib LibADVAPI32
  fun CredDeleteW = CredDeleteW(
    TargetName : UInt16*,   # LPCWSTR
    Type : UInt32,   # CRED_TYPE
    Flags : UInt32   # DWORD optional
  ) : 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 CredDeleteWNative = Int32 Function(Pointer<Utf16>, Uint32, Uint32);
typedef CredDeleteWDart = int Function(Pointer<Utf16>, int, int);
final CredDeleteW = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<CredDeleteWNative, CredDeleteWDart>('CredDeleteW');
// TargetName : LPCWSTR -> Pointer<Utf16>
// Type : CRED_TYPE -> Uint32
// Flags : DWORD optional -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CredDeleteW(
  TargetName: PWideChar;   // LPCWSTR
  Type: DWORD;   // CRED_TYPE
  Flags: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CredDeleteW';

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

foreign import stdcall safe "CredDeleteW"
  c_CredDeleteW :: CWString -> Word32 -> Word32 -> IO CInt
-- TargetName : LPCWSTR -> CWString
-- Type : CRED_TYPE -> Word32
-- Flags : DWORD optional -> 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 creddeletew =
  foreign "CredDeleteW"
    ((ptr uint16_t) @-> uint32_t @-> uint32_t @-> returning int32_t)
(* TargetName : LPCWSTR -> (ptr uint16_t) *)
(* Type : CRED_TYPE -> uint32_t *)
(* Flags : DWORD optional -> 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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("CredDeleteW" cred-delete-w :convention :stdcall) :int32
  (target-name (:string :encoding :utf-16le))   ; LPCWSTR
  (type :uint32)   ; CRED_TYPE
  (flags :uint32))   ; DWORD optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CredDeleteW = Win32::API::More->new('ADVAPI32',
    'BOOL CredDeleteW(LPCWSTR TargetName, DWORD Type, DWORD Flags)');
# my $ret = $CredDeleteW->Call($TargetName, $Type, $Flags);
# TargetName : LPCWSTR -> LPCWSTR
# Type : CRED_TYPE -> DWORD
# Flags : DWORD optional -> 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。