NetUnjoinDomain

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

DWORD NetUnjoinDomain(
    LPCWSTR lpServer,   // optional
    LPCWSTR lpAccount,   // optional
    LPCWSTR lpPassword,   // optional
    DWORD fUnjoinOptions
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetUnjoinDomain(
    <MarshalAs(UnmanagedType.LPWStr)> lpServer As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpAccount As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpPassword As String,   ' LPCWSTR optional
    fUnjoinOptions As UInteger   ' DWORD
) As UInteger
End Function

' lpServer : LPCWSTR optional
' lpAccount : LPCWSTR optional
' lpPassword : LPCWSTR optional
' fUnjoinOptions : DWORD
Declare PtrSafe Function NetUnjoinDomain Lib "netapi32" ( _
    ByVal lpServer As LongPtr, _
    ByVal lpAccount As LongPtr, _
    ByVal lpPassword As LongPtr, _
    ByVal fUnjoinOptions 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

NetUnjoinDomain = ctypes.windll.netapi32.NetUnjoinDomain
NetUnjoinDomain.restype = wintypes.DWORD
NetUnjoinDomain.argtypes = [
    wintypes.LPCWSTR,  # lpServer : LPCWSTR optional
    wintypes.LPCWSTR,  # lpAccount : LPCWSTR optional
    wintypes.LPCWSTR,  # lpPassword : LPCWSTR optional
    wintypes.DWORD,  # fUnjoinOptions : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetUnjoinDomain = Fiddle::Function.new(
  lib['NetUnjoinDomain'],
  [
    Fiddle::TYPE_VOIDP,  # lpServer : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpAccount : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCWSTR optional
    -Fiddle::TYPE_INT,  # fUnjoinOptions : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetUnjoinDomain(
        lpServer: *const u16,  // LPCWSTR optional
        lpAccount: *const u16,  // LPCWSTR optional
        lpPassword: *const u16,  // LPCWSTR optional
        fUnjoinOptions: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetUnjoinDomain([MarshalAs(UnmanagedType.LPWStr)] string lpServer, [MarshalAs(UnmanagedType.LPWStr)] string lpAccount, [MarshalAs(UnmanagedType.LPWStr)] string lpPassword, uint fUnjoinOptions);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetUnjoinDomain' -Namespace Win32 -PassThru
# $api::NetUnjoinDomain(lpServer, lpAccount, lpPassword, fUnjoinOptions)

#uselib "NETAPI32.dll"
#func global NetUnjoinDomain "NetUnjoinDomain" sptr, sptr, sptr, sptr
; NetUnjoinDomain lpServer, lpAccount, lpPassword, fUnjoinOptions   ; 戻り値は stat
; lpServer : LPCWSTR optional -> "sptr"
; lpAccount : LPCWSTR optional -> "sptr"
; lpPassword : LPCWSTR optional -> "sptr"
; fUnjoinOptions : DWORD -> "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 NetUnjoinDomain "NetUnjoinDomain" wstr, wstr, wstr, int
; res = NetUnjoinDomain(lpServer, lpAccount, lpPassword, fUnjoinOptions)
; lpServer : LPCWSTR optional -> "wstr"
; lpAccount : LPCWSTR optional -> "wstr"
; lpPassword : LPCWSTR optional -> "wstr"
; fUnjoinOptions : DWORD -> "int"

; DWORD NetUnjoinDomain(LPCWSTR lpServer, LPCWSTR lpAccount, LPCWSTR lpPassword, DWORD fUnjoinOptions)
#uselib "NETAPI32.dll"
#cfunc global NetUnjoinDomain "NetUnjoinDomain" wstr, wstr, wstr, int
; res = NetUnjoinDomain(lpServer, lpAccount, lpPassword, fUnjoinOptions)
; lpServer : LPCWSTR optional -> "wstr"
; lpAccount : LPCWSTR optional -> "wstr"
; lpPassword : LPCWSTR optional -> "wstr"
; fUnjoinOptions : DWORD -> "int"

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

var (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetUnjoinDomain = netapi32.NewProc("NetUnjoinDomain")
)

// lpServer (LPCWSTR optional), lpAccount (LPCWSTR optional), lpPassword (LPCWSTR optional), fUnjoinOptions (DWORD)
r1, _, err := procNetUnjoinDomain.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpServer))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpAccount))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpPassword))),
	uintptr(fUnjoinOptions),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetUnjoinDomain(
  lpServer: PWideChar;   // LPCWSTR optional
  lpAccount: PWideChar;   // LPCWSTR optional
  lpPassword: PWideChar;   // LPCWSTR optional
  fUnjoinOptions: DWORD   // DWORD
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetUnjoinDomain';

result := DllCall("NETAPI32\NetUnjoinDomain"
    , "WStr", lpServer   ; LPCWSTR optional
    , "WStr", lpAccount   ; LPCWSTR optional
    , "WStr", lpPassword   ; LPCWSTR optional
    , "UInt", fUnjoinOptions   ; DWORD
    , "UInt")   ; return: DWORD

●NetUnjoinDomain(lpServer, lpAccount, lpPassword, fUnjoinOptions) = DLL("NETAPI32.dll", "dword NetUnjoinDomain(char*, char*, char*, dword)")
# 呼び出し: NetUnjoinDomain(lpServer, lpAccount, lpPassword, fUnjoinOptions)
# lpServer : LPCWSTR optional -> "char*"
# lpAccount : LPCWSTR optional -> "char*"
# lpPassword : LPCWSTR optional -> "char*"
# fUnjoinOptions : DWORD -> "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)。