CredDeleteA

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

BOOL CredDeleteA(
    LPCSTR TargetName,
    CRED_TYPE Type,
    DWORD Flags   // optional
);

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

' TargetName : LPCSTR
' Type : CRED_TYPE
' Flags : DWORD optional
Declare PtrSafe Function CredDeleteA Lib "advapi32" ( _
    ByVal TargetName As String, _
    ByVal Type As Long, _
    ByVal Flags 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

CredDeleteA = ctypes.windll.advapi32.CredDeleteA
CredDeleteA.restype = wintypes.BOOL
CredDeleteA.argtypes = [
    wintypes.LPCSTR,  # TargetName : LPCSTR
    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')
CredDeleteA = Fiddle::Function.new(
  lib['CredDeleteA'],
  [
    Fiddle::TYPE_VOIDP,  # TargetName : LPCSTR
    -Fiddle::TYPE_INT,  # Type : CRED_TYPE
    -Fiddle::TYPE_INT,  # Flags : DWORD optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn CredDeleteA(
        TargetName: *const u8,  // LPCSTR
        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.Ansi, SetLastError = true)]
public static extern bool CredDeleteA([MarshalAs(UnmanagedType.LPStr)] string TargetName, uint Type, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CredDeleteA' -Namespace Win32 -PassThru
# $api::CredDeleteA(TargetName, Type, Flags)

#uselib "ADVAPI32.dll"
#func global CredDeleteA "CredDeleteA" sptr, sptr, sptr
; CredDeleteA TargetName, Type, Flags   ; 戻り値は stat
; TargetName : LPCSTR -> "sptr"
; Type : CRED_TYPE -> "sptr"
; Flags : DWORD optional -> "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 "ADVAPI32.dll"
#cfunc global CredDeleteA "CredDeleteA" str, int, int
; res = CredDeleteA(TargetName, Type, Flags)
; TargetName : LPCSTR -> "str"
; Type : CRED_TYPE -> "int"
; Flags : DWORD optional -> "int"

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

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procCredDeleteA = advapi32.NewProc("CredDeleteA")
)

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

function CredDeleteA(
  TargetName: PAnsiChar;   // LPCSTR
  Type: DWORD;   // CRED_TYPE
  Flags: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'CredDeleteA';

result := DllCall("ADVAPI32\CredDeleteA"
    , "AStr", TargetName   ; LPCSTR
    , "UInt", Type   ; CRED_TYPE
    , "UInt", Flags   ; DWORD optional
    , "Int")   ; return: BOOL

●CredDeleteA(TargetName, Type, Flags) = DLL("ADVAPI32.dll", "bool CredDeleteA(char*, dword, dword)")
# 呼び出し: CredDeleteA(TargetName, Type, Flags)
# TargetName : LPCSTR -> "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)。

const std = @import("std");

extern "advapi32" fn CredDeleteA(
    TargetName: [*c]const u8, // LPCSTR
    Type: u32, // CRED_TYPE
    Flags: u32 // DWORD optional
) callconv(std.os.windows.WINAPI) i32;

proc CredDeleteA(
    TargetName: cstring,  # LPCSTR
    Type: uint32,  # CRED_TYPE
    Flags: uint32  # DWORD optional
): int32 {.importc: "CredDeleteA", stdcall, dynlib: "ADVAPI32.dll".}

pragma(lib, "advapi32");
extern(Windows)
int CredDeleteA(
    const(char)* TargetName,   // LPCSTR
    uint Type,   // CRED_TYPE
    uint Flags   // DWORD optional
);

ccall((:CredDeleteA, "ADVAPI32.dll"), stdcall, Int32,
      (Cstring, UInt32, UInt32),
      TargetName, Type, Flags)
# TargetName : LPCSTR -> Cstring
# Type : CRED_TYPE -> UInt32
# Flags : DWORD optional -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CredDeleteA(
    const char* TargetName,
    uint32_t Type,
    uint32_t Flags);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.CredDeleteA(TargetName, Type, Flags)
-- TargetName : LPCSTR
-- 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。

const koffi = require('koffi');
const lib = koffi.load('ADVAPI32.dll');
const CredDeleteA = lib.func('__stdcall', 'CredDeleteA', 'int32_t', ['str', 'uint32_t', 'uint32_t']);
// CredDeleteA(TargetName, Type, Flags)
// TargetName : LPCSTR -> 'str'
// 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", {
  CredDeleteA: { parameters: ["buffer", "u32", "u32"], result: "i32" },
});
// lib.symbols.CredDeleteA(TargetName, Type, Flags)
// TargetName : LPCSTR -> "buffer"
// Type : CRED_TYPE -> "u32"
// Flags : DWORD optional -> "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
int32_t CredDeleteA(
    const char* TargetName,
    uint32_t Type,
    uint32_t Flags);
C, "ADVAPI32.dll");
// $ffi->CredDeleteA(TargetName, Type, Flags);
// TargetName : LPCSTR
// 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.ASCII_OPTIONS);
    boolean CredDeleteA(
        String TargetName,   // LPCSTR
        int Type,   // CRED_TYPE
        int Flags   // DWORD optional
    );
}

@[Link("advapi32")]
lib LibADVAPI32
  fun CredDeleteA = CredDeleteA(
    TargetName : UInt8*,   # LPCSTR
    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 CredDeleteANative = Int32 Function(Pointer<Utf8>, Uint32, Uint32);
typedef CredDeleteADart = int Function(Pointer<Utf8>, int, int);
final CredDeleteA = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<CredDeleteANative, CredDeleteADart>('CredDeleteA');
// TargetName : LPCSTR -> Pointer<Utf8>
// Type : CRED_TYPE -> Uint32
// Flags : DWORD optional -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

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

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

foreign import stdcall safe "CredDeleteA"
  c_CredDeleteA :: CString -> Word32 -> Word32 -> IO CInt
-- TargetName : LPCSTR -> CString
-- 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 creddeletea =
  foreign "CredDeleteA"
    (string @-> uint32_t @-> uint32_t @-> returning int32_t)
(* TargetName : LPCSTR -> string *)
(* 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 ("CredDeleteA" cred-delete-a :convention :stdcall) :int32
  (target-name :string)   ; LPCSTR
  (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 $CredDeleteA = Win32::API::More->new('ADVAPI32',
    'BOOL CredDeleteA(LPCSTR TargetName, DWORD Type, DWORD Flags)');
# my $ret = $CredDeleteA->Call($TargetName, $Type, $Flags);
# TargetName : LPCSTR -> LPCSTR
# 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。