SetClusterServiceAccountPassword

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

DWORD SetClusterServiceAccountPassword(
    LPCWSTR lpszClusterName,
    LPCWSTR lpszNewPassword,
    DWORD dwFlags,
    CLUSTER_SET_PASSWORD_STATUS* lpReturnStatusBuffer,   // optional
    DWORD* lpcbReturnStatusBufferSize
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function SetClusterServiceAccountPassword(
    <MarshalAs(UnmanagedType.LPWStr)> lpszClusterName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpszNewPassword As String,   ' LPCWSTR
    dwFlags As UInteger,   ' DWORD
    lpReturnStatusBuffer As IntPtr,   ' CLUSTER_SET_PASSWORD_STATUS* optional, out
    ByRef lpcbReturnStatusBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' lpszClusterName : LPCWSTR
' lpszNewPassword : LPCWSTR
' dwFlags : DWORD
' lpReturnStatusBuffer : CLUSTER_SET_PASSWORD_STATUS* optional, out
' lpcbReturnStatusBufferSize : DWORD* in/out
Declare PtrSafe Function SetClusterServiceAccountPassword Lib "clusapi" ( _
    ByVal lpszClusterName As LongPtr, _
    ByVal lpszNewPassword As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal lpReturnStatusBuffer As LongPtr, _
    ByRef lpcbReturnStatusBufferSize 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

SetClusterServiceAccountPassword = ctypes.windll.clusapi.SetClusterServiceAccountPassword
SetClusterServiceAccountPassword.restype = wintypes.DWORD
SetClusterServiceAccountPassword.argtypes = [
    wintypes.LPCWSTR,  # lpszClusterName : LPCWSTR
    wintypes.LPCWSTR,  # lpszNewPassword : LPCWSTR
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # lpReturnStatusBuffer : CLUSTER_SET_PASSWORD_STATUS* optional, out
    ctypes.POINTER(wintypes.DWORD),  # lpcbReturnStatusBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
SetClusterServiceAccountPassword = Fiddle::Function.new(
  lib['SetClusterServiceAccountPassword'],
  [
    Fiddle::TYPE_VOIDP,  # lpszClusterName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpszNewPassword : LPCWSTR
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpReturnStatusBuffer : CLUSTER_SET_PASSWORD_STATUS* optional, out
    Fiddle::TYPE_VOIDP,  # lpcbReturnStatusBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn SetClusterServiceAccountPassword(
        lpszClusterName: *const u16,  // LPCWSTR
        lpszNewPassword: *const u16,  // LPCWSTR
        dwFlags: u32,  // DWORD
        lpReturnStatusBuffer: *mut CLUSTER_SET_PASSWORD_STATUS,  // CLUSTER_SET_PASSWORD_STATUS* optional, out
        lpcbReturnStatusBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint SetClusterServiceAccountPassword([MarshalAs(UnmanagedType.LPWStr)] string lpszClusterName, [MarshalAs(UnmanagedType.LPWStr)] string lpszNewPassword, uint dwFlags, IntPtr lpReturnStatusBuffer, ref uint lpcbReturnStatusBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_SetClusterServiceAccountPassword' -Namespace Win32 -PassThru
# $api::SetClusterServiceAccountPassword(lpszClusterName, lpszNewPassword, dwFlags, lpReturnStatusBuffer, lpcbReturnStatusBufferSize)

#uselib "CLUSAPI.dll"
#func global SetClusterServiceAccountPassword "SetClusterServiceAccountPassword" sptr, sptr, sptr, sptr, sptr
; SetClusterServiceAccountPassword lpszClusterName, lpszNewPassword, dwFlags, varptr(lpReturnStatusBuffer), varptr(lpcbReturnStatusBufferSize)   ; 戻り値は stat
; lpszClusterName : LPCWSTR -> "sptr"
; lpszNewPassword : LPCWSTR -> "sptr"
; dwFlags : DWORD -> "sptr"
; lpReturnStatusBuffer : CLUSTER_SET_PASSWORD_STATUS* optional, out -> "sptr"
; lpcbReturnStatusBufferSize : DWORD* in/out -> "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 "CLUSAPI.dll"
#cfunc global SetClusterServiceAccountPassword "SetClusterServiceAccountPassword" wstr, wstr, int, var, var
; res = SetClusterServiceAccountPassword(lpszClusterName, lpszNewPassword, dwFlags, lpReturnStatusBuffer, lpcbReturnStatusBufferSize)
; lpszClusterName : LPCWSTR -> "wstr"
; lpszNewPassword : LPCWSTR -> "wstr"
; dwFlags : DWORD -> "int"
; lpReturnStatusBuffer : CLUSTER_SET_PASSWORD_STATUS* optional, out -> "var"
; lpcbReturnStatusBufferSize : DWORD* in/out -> "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 SetClusterServiceAccountPassword(LPCWSTR lpszClusterName, LPCWSTR lpszNewPassword, DWORD dwFlags, CLUSTER_SET_PASSWORD_STATUS* lpReturnStatusBuffer, DWORD* lpcbReturnStatusBufferSize)
#uselib "CLUSAPI.dll"
#cfunc global SetClusterServiceAccountPassword "SetClusterServiceAccountPassword" wstr, wstr, int, var, var
; res = SetClusterServiceAccountPassword(lpszClusterName, lpszNewPassword, dwFlags, lpReturnStatusBuffer, lpcbReturnStatusBufferSize)
; lpszClusterName : LPCWSTR -> "wstr"
; lpszNewPassword : LPCWSTR -> "wstr"
; dwFlags : DWORD -> "int"
; lpReturnStatusBuffer : CLUSTER_SET_PASSWORD_STATUS* optional, out -> "var"
; lpcbReturnStatusBufferSize : DWORD* in/out -> "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 (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procSetClusterServiceAccountPassword = clusapi.NewProc("SetClusterServiceAccountPassword")
)

// lpszClusterName (LPCWSTR), lpszNewPassword (LPCWSTR), dwFlags (DWORD), lpReturnStatusBuffer (CLUSTER_SET_PASSWORD_STATUS* optional, out), lpcbReturnStatusBufferSize (DWORD* in/out)
r1, _, err := procSetClusterServiceAccountPassword.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszClusterName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszNewPassword))),
	uintptr(dwFlags),
	uintptr(lpReturnStatusBuffer),
	uintptr(lpcbReturnStatusBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SetClusterServiceAccountPassword(
  lpszClusterName: PWideChar;   // LPCWSTR
  lpszNewPassword: PWideChar;   // LPCWSTR
  dwFlags: DWORD;   // DWORD
  lpReturnStatusBuffer: Pointer;   // CLUSTER_SET_PASSWORD_STATUS* optional, out
  lpcbReturnStatusBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'SetClusterServiceAccountPassword';

result := DllCall("CLUSAPI\SetClusterServiceAccountPassword"
    , "WStr", lpszClusterName   ; LPCWSTR
    , "WStr", lpszNewPassword   ; LPCWSTR
    , "UInt", dwFlags   ; DWORD
    , "Ptr", lpReturnStatusBuffer   ; CLUSTER_SET_PASSWORD_STATUS* optional, out
    , "Ptr", lpcbReturnStatusBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●SetClusterServiceAccountPassword(lpszClusterName, lpszNewPassword, dwFlags, lpReturnStatusBuffer, lpcbReturnStatusBufferSize) = DLL("CLUSAPI.dll", "dword SetClusterServiceAccountPassword(char*, char*, dword, void*, void*)")
# 呼び出し: SetClusterServiceAccountPassword(lpszClusterName, lpszNewPassword, dwFlags, lpReturnStatusBuffer, lpcbReturnStatusBufferSize)
# lpszClusterName : LPCWSTR -> "char*"
# lpszNewPassword : LPCWSTR -> "char*"
# dwFlags : DWORD -> "dword"
# lpReturnStatusBuffer : CLUSTER_SET_PASSWORD_STATUS* optional, out -> "void*"
# lpcbReturnStatusBufferSize : DWORD* in/out -> "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)。