ClearEventLogA

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

BOOL ClearEventLogA(
    HANDLE hEventLog,
    LPCSTR lpBackupFileName   // optional
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ClearEventLogA(
    hEventLog As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPStr)> lpBackupFileName As String   ' LPCSTR optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hEventLog : HANDLE
' lpBackupFileName : LPCSTR optional
Declare PtrSafe Function ClearEventLogA Lib "advapi32" ( _
    ByVal hEventLog As LongPtr, _
    ByVal lpBackupFileName As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ClearEventLogA = ctypes.windll.advapi32.ClearEventLogA
ClearEventLogA.restype = wintypes.BOOL
ClearEventLogA.argtypes = [
    wintypes.HANDLE,  # hEventLog : HANDLE
    wintypes.LPCSTR,  # lpBackupFileName : LPCSTR optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
ClearEventLogA = Fiddle::Function.new(
  lib['ClearEventLogA'],
  [
    Fiddle::TYPE_VOIDP,  # hEventLog : HANDLE
    Fiddle::TYPE_VOIDP,  # lpBackupFileName : LPCSTR optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn ClearEventLogA(
        hEventLog: *mut core::ffi::c_void,  // HANDLE
        lpBackupFileName: *const u8  // LPCSTR 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 ClearEventLogA(IntPtr hEventLog, [MarshalAs(UnmanagedType.LPStr)] string lpBackupFileName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_ClearEventLogA' -Namespace Win32 -PassThru
# $api::ClearEventLogA(hEventLog, lpBackupFileName)

#uselib "ADVAPI32.dll"
#func global ClearEventLogA "ClearEventLogA" sptr, sptr
; ClearEventLogA hEventLog, lpBackupFileName   ; 戻り値は stat
; hEventLog : HANDLE -> "sptr"
; lpBackupFileName : LPCSTR 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 ClearEventLogA "ClearEventLogA" sptr, str
; res = ClearEventLogA(hEventLog, lpBackupFileName)
; hEventLog : HANDLE -> "sptr"
; lpBackupFileName : LPCSTR optional -> "str"

; BOOL ClearEventLogA(HANDLE hEventLog, LPCSTR lpBackupFileName)
#uselib "ADVAPI32.dll"
#cfunc global ClearEventLogA "ClearEventLogA" intptr, str
; res = ClearEventLogA(hEventLog, lpBackupFileName)
; hEventLog : HANDLE -> "intptr"
; lpBackupFileName : LPCSTR optional -> "str"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procClearEventLogA = advapi32.NewProc("ClearEventLogA")
)

// hEventLog (HANDLE), lpBackupFileName (LPCSTR optional)
r1, _, err := procClearEventLogA.Call(
	uintptr(hEventLog),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpBackupFileName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ClearEventLogA(
  hEventLog: THandle;   // HANDLE
  lpBackupFileName: PAnsiChar   // LPCSTR optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'ClearEventLogA';

result := DllCall("ADVAPI32\ClearEventLogA"
    , "Ptr", hEventLog   ; HANDLE
    , "AStr", lpBackupFileName   ; LPCSTR optional
    , "Int")   ; return: BOOL

●ClearEventLogA(hEventLog, lpBackupFileName) = DLL("ADVAPI32.dll", "bool ClearEventLogA(void*, char*)")
# 呼び出し: ClearEventLogA(hEventLog, lpBackupFileName)
# hEventLog : HANDLE -> "void*"
# lpBackupFileName : LPCSTR optional -> "char*"
# 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 ClearEventLogA(
    hEventLog: ?*anyopaque, // HANDLE
    lpBackupFileName: [*c]const u8 // LPCSTR optional
) callconv(std.os.windows.WINAPI) i32;

proc ClearEventLogA(
    hEventLog: pointer,  # HANDLE
    lpBackupFileName: cstring  # LPCSTR optional
): int32 {.importc: "ClearEventLogA", stdcall, dynlib: "ADVAPI32.dll".}

pragma(lib, "advapi32");
extern(Windows)
int ClearEventLogA(
    void* hEventLog,   // HANDLE
    const(char)* lpBackupFileName   // LPCSTR optional
);

ccall((:ClearEventLogA, "ADVAPI32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cstring),
      hEventLog, lpBackupFileName)
# hEventLog : HANDLE -> Ptr{Cvoid}
# lpBackupFileName : LPCSTR optional -> Cstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t ClearEventLogA(
    void* hEventLog,
    const char* lpBackupFileName);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.ClearEventLogA(hEventLog, lpBackupFileName)
-- hEventLog : HANDLE
-- lpBackupFileName : LPCSTR 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 ClearEventLogA = lib.func('__stdcall', 'ClearEventLogA', 'int32_t', ['void *', 'str']);
// ClearEventLogA(hEventLog, lpBackupFileName)
// hEventLog : HANDLE -> 'void *'
// lpBackupFileName : LPCSTR optional -> 'str'
// 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", {
  ClearEventLogA: { parameters: ["pointer", "buffer"], result: "i32" },
});
// lib.symbols.ClearEventLogA(hEventLog, lpBackupFileName)
// hEventLog : HANDLE -> "pointer"
// lpBackupFileName : LPCSTR optional -> "buffer"
// 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 ClearEventLogA(
    void* hEventLog,
    const char* lpBackupFileName);
C, "ADVAPI32.dll");
// $ffi->ClearEventLogA(hEventLog, lpBackupFileName);
// hEventLog : HANDLE
// lpBackupFileName : LPCSTR 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 ClearEventLogA(
        Pointer hEventLog,   // HANDLE
        String lpBackupFileName   // LPCSTR optional
    );
}

@[Link("advapi32")]
lib LibADVAPI32
  fun ClearEventLogA = ClearEventLogA(
    hEventLog : Void*,   # HANDLE
    lpBackupFileName : UInt8*   # LPCSTR 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 ClearEventLogANative = Int32 Function(Pointer<Void>, Pointer<Utf8>);
typedef ClearEventLogADart = int Function(Pointer<Void>, Pointer<Utf8>);
final ClearEventLogA = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<ClearEventLogANative, ClearEventLogADart>('ClearEventLogA');
// hEventLog : HANDLE -> Pointer<Void>
// lpBackupFileName : LPCSTR optional -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ClearEventLogA(
  hEventLog: THandle;   // HANDLE
  lpBackupFileName: PAnsiChar   // LPCSTR optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'ClearEventLogA';

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

foreign import stdcall safe "ClearEventLogA"
  c_ClearEventLogA :: Ptr () -> CString -> IO CInt
-- hEventLog : HANDLE -> Ptr ()
-- lpBackupFileName : LPCSTR optional -> CString
-- 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 cleareventloga =
  foreign "ClearEventLogA"
    ((ptr void) @-> string @-> returning int32_t)
(* hEventLog : HANDLE -> (ptr void) *)
(* lpBackupFileName : LPCSTR optional -> string *)
(* 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 ("ClearEventLogA" clear-event-log-a :convention :stdcall) :int32
  (h-event-log :pointer)   ; HANDLE
  (lp-backup-file-name :string))   ; LPCSTR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ClearEventLogA = Win32::API::More->new('ADVAPI32',
    'BOOL ClearEventLogA(HANDLE hEventLog, LPCSTR lpBackupFileName)');
# my $ret = $ClearEventLogA->Call($hEventLog, $lpBackupFileName);
# hEventLog : HANDLE -> HANDLE
# lpBackupFileName : LPCSTR optional -> LPCSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。