GetNodeClusterState

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

DWORD GetNodeClusterState(
    LPCWSTR lpszNodeName,   // optional
    DWORD* pdwClusterState
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function GetNodeClusterState(
    <MarshalAs(UnmanagedType.LPWStr)> lpszNodeName As String,   ' LPCWSTR optional
    <Out> ByRef pdwClusterState As UInteger   ' DWORD* out
) As UInteger
End Function

' lpszNodeName : LPCWSTR optional
' pdwClusterState : DWORD* out
Declare PtrSafe Function GetNodeClusterState Lib "clusapi" ( _
    ByVal lpszNodeName As LongPtr, _
    ByRef pdwClusterState 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

GetNodeClusterState = ctypes.windll.clusapi.GetNodeClusterState
GetNodeClusterState.restype = wintypes.DWORD
GetNodeClusterState.argtypes = [
    wintypes.LPCWSTR,  # lpszNodeName : LPCWSTR optional
    ctypes.POINTER(wintypes.DWORD),  # pdwClusterState : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
GetNodeClusterState = Fiddle::Function.new(
  lib['GetNodeClusterState'],
  [
    Fiddle::TYPE_VOIDP,  # lpszNodeName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pdwClusterState : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn GetNodeClusterState(
        lpszNodeName: *const u16,  // LPCWSTR optional
        pdwClusterState: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint GetNodeClusterState([MarshalAs(UnmanagedType.LPWStr)] string lpszNodeName, out uint pdwClusterState);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_GetNodeClusterState' -Namespace Win32 -PassThru
# $api::GetNodeClusterState(lpszNodeName, pdwClusterState)

#uselib "CLUSAPI.dll"
#func global GetNodeClusterState "GetNodeClusterState" sptr, sptr
; GetNodeClusterState lpszNodeName, varptr(pdwClusterState)   ; 戻り値は stat
; lpszNodeName : LPCWSTR optional -> "sptr"
; pdwClusterState : DWORD* 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 GetNodeClusterState "GetNodeClusterState" wstr, var
; res = GetNodeClusterState(lpszNodeName, pdwClusterState)
; lpszNodeName : LPCWSTR optional -> "wstr"
; pdwClusterState : DWORD* 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 GetNodeClusterState(LPCWSTR lpszNodeName, DWORD* pdwClusterState)
#uselib "CLUSAPI.dll"
#cfunc global GetNodeClusterState "GetNodeClusterState" wstr, var
; res = GetNodeClusterState(lpszNodeName, pdwClusterState)
; lpszNodeName : LPCWSTR optional -> "wstr"
; pdwClusterState : DWORD* 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")
	procGetNodeClusterState = clusapi.NewProc("GetNodeClusterState")
)

// lpszNodeName (LPCWSTR optional), pdwClusterState (DWORD* out)
r1, _, err := procGetNodeClusterState.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszNodeName))),
	uintptr(pdwClusterState),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetNodeClusterState(
  lpszNodeName: PWideChar;   // LPCWSTR optional
  pdwClusterState: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'GetNodeClusterState';

result := DllCall("CLUSAPI\GetNodeClusterState"
    , "WStr", lpszNodeName   ; LPCWSTR optional
    , "Ptr", pdwClusterState   ; DWORD* out
    , "UInt")   ; return: DWORD

●GetNodeClusterState(lpszNodeName, pdwClusterState) = DLL("CLUSAPI.dll", "dword GetNodeClusterState(char*, void*)")
# 呼び出し: GetNodeClusterState(lpszNodeName, pdwClusterState)
# lpszNodeName : LPCWSTR optional -> "char*"
# pdwClusterState : DWORD* 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)。