NetErrorLogClear

// NETAPI32.dll
#include <windows.h>

DWORD NetErrorLogClear(
    LPCWSTR UncServerName,   // optional
    LPCWSTR BackupFile,   // optional
    BYTE* Reserved   // optional
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetErrorLogClear(
    <MarshalAs(UnmanagedType.LPWStr)> UncServerName As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> BackupFile As String,   ' LPCWSTR optional
    Reserved As IntPtr   ' BYTE* optional
) As UInteger
End Function

' UncServerName : LPCWSTR optional
' BackupFile : LPCWSTR optional
' Reserved : BYTE* optional
Declare PtrSafe Function NetErrorLogClear Lib "netapi32" ( _
    ByVal UncServerName As LongPtr, _
    ByVal BackupFile As LongPtr, _
    ByVal Reserved As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

NetErrorLogClear = ctypes.windll.netapi32.NetErrorLogClear
NetErrorLogClear.restype = wintypes.DWORD
NetErrorLogClear.argtypes = [
    wintypes.LPCWSTR,  # UncServerName : LPCWSTR optional
    wintypes.LPCWSTR,  # BackupFile : LPCWSTR optional
    ctypes.POINTER(ctypes.c_ubyte),  # Reserved : BYTE* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetErrorLogClear = Fiddle::Function.new(
  lib['NetErrorLogClear'],
  [
    Fiddle::TYPE_VOIDP,  # UncServerName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # BackupFile : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # Reserved : BYTE* optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetErrorLogClear(
        UncServerName: *const u16,  // LPCWSTR optional
        BackupFile: *const u16,  // LPCWSTR optional
        Reserved: *mut u8  // BYTE* optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetErrorLogClear([MarshalAs(UnmanagedType.LPWStr)] string UncServerName, [MarshalAs(UnmanagedType.LPWStr)] string BackupFile, IntPtr Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetErrorLogClear' -Namespace Win32 -PassThru
# $api::NetErrorLogClear(UncServerName, BackupFile, Reserved)

#uselib "NETAPI32.dll"
#func global NetErrorLogClear "NetErrorLogClear" sptr, sptr, sptr
; NetErrorLogClear UncServerName, BackupFile, varptr(Reserved)   ; 戻り値は stat
; UncServerName : LPCWSTR optional -> "sptr"
; BackupFile : LPCWSTR optional -> "sptr"
; Reserved : BYTE* 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 "NETAPI32.dll"
#cfunc global NetErrorLogClear "NetErrorLogClear" wstr, wstr, var
; res = NetErrorLogClear(UncServerName, BackupFile, Reserved)
; UncServerName : LPCWSTR optional -> "wstr"
; BackupFile : LPCWSTR optional -> "wstr"
; Reserved : BYTE* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD NetErrorLogClear(LPCWSTR UncServerName, LPCWSTR BackupFile, BYTE* Reserved)
#uselib "NETAPI32.dll"
#cfunc global NetErrorLogClear "NetErrorLogClear" wstr, wstr, var
; res = NetErrorLogClear(UncServerName, BackupFile, Reserved)
; UncServerName : LPCWSTR optional -> "wstr"
; BackupFile : LPCWSTR optional -> "wstr"
; Reserved : BYTE* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetErrorLogClear = netapi32.NewProc("NetErrorLogClear")
)

// UncServerName (LPCWSTR optional), BackupFile (LPCWSTR optional), Reserved (BYTE* optional)
r1, _, err := procNetErrorLogClear.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(UncServerName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(BackupFile))),
	uintptr(Reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetErrorLogClear(
  UncServerName: PWideChar;   // LPCWSTR optional
  BackupFile: PWideChar;   // LPCWSTR optional
  Reserved: Pointer   // BYTE* optional
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetErrorLogClear';

result := DllCall("NETAPI32\NetErrorLogClear"
    , "WStr", UncServerName   ; LPCWSTR optional
    , "WStr", BackupFile   ; LPCWSTR optional
    , "Ptr", Reserved   ; BYTE* optional
    , "UInt")   ; return: DWORD

●NetErrorLogClear(UncServerName, BackupFile, Reserved) = DLL("NETAPI32.dll", "dword NetErrorLogClear(char*, char*, void*)")
# 呼び出し: NetErrorLogClear(UncServerName, BackupFile, Reserved)
# UncServerName : LPCWSTR optional -> "char*"
# BackupFile : LPCWSTR optional -> "char*"
# Reserved : BYTE* optional -> "void*"
# 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)。