GetClusterNodeId

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

DWORD GetClusterNodeId(
    HNODE hNode,   // optional
    LPWSTR lpszNodeId,
    DWORD* lpcchName
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function GetClusterNodeId(
    hNode As IntPtr,   ' HNODE optional
    <MarshalAs(UnmanagedType.LPWStr)> lpszNodeId As System.Text.StringBuilder,   ' LPWSTR out
    ByRef lpcchName As UInteger   ' DWORD* in/out
) As UInteger
End Function

' hNode : HNODE optional
' lpszNodeId : LPWSTR out
' lpcchName : DWORD* in/out
Declare PtrSafe Function GetClusterNodeId Lib "clusapi" ( _
    ByVal hNode As LongPtr, _
    ByVal lpszNodeId As LongPtr, _
    ByRef lpcchName 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

GetClusterNodeId = ctypes.windll.clusapi.GetClusterNodeId
GetClusterNodeId.restype = wintypes.DWORD
GetClusterNodeId.argtypes = [
    ctypes.c_ssize_t,  # hNode : HNODE optional
    wintypes.LPWSTR,  # lpszNodeId : LPWSTR out
    ctypes.POINTER(wintypes.DWORD),  # lpcchName : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
GetClusterNodeId = Fiddle::Function.new(
  lib['GetClusterNodeId'],
  [
    Fiddle::TYPE_INTPTR_T,  # hNode : HNODE optional
    Fiddle::TYPE_VOIDP,  # lpszNodeId : LPWSTR out
    Fiddle::TYPE_VOIDP,  # lpcchName : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn GetClusterNodeId(
        hNode: isize,  // HNODE optional
        lpszNodeId: *mut u16,  // LPWSTR out
        lpcchName: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern uint GetClusterNodeId(IntPtr hNode, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpszNodeId, ref uint lpcchName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_GetClusterNodeId' -Namespace Win32 -PassThru
# $api::GetClusterNodeId(hNode, lpszNodeId, lpcchName)

#uselib "CLUSAPI.dll"
#func global GetClusterNodeId "GetClusterNodeId" sptr, sptr, sptr
; GetClusterNodeId hNode, varptr(lpszNodeId), varptr(lpcchName)   ; 戻り値は stat
; hNode : HNODE optional -> "sptr"
; lpszNodeId : LPWSTR out -> "sptr"
; lpcchName : 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 GetClusterNodeId "GetClusterNodeId" sptr, var, var
; res = GetClusterNodeId(hNode, lpszNodeId, lpcchName)
; hNode : HNODE optional -> "sptr"
; lpszNodeId : LPWSTR out -> "var"
; lpcchName : 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 GetClusterNodeId(HNODE hNode, LPWSTR lpszNodeId, DWORD* lpcchName)
#uselib "CLUSAPI.dll"
#cfunc global GetClusterNodeId "GetClusterNodeId" intptr, var, var
; res = GetClusterNodeId(hNode, lpszNodeId, lpcchName)
; hNode : HNODE optional -> "intptr"
; lpszNodeId : LPWSTR out -> "var"
; lpcchName : 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")
	procGetClusterNodeId = clusapi.NewProc("GetClusterNodeId")
)

// hNode (HNODE optional), lpszNodeId (LPWSTR out), lpcchName (DWORD* in/out)
r1, _, err := procGetClusterNodeId.Call(
	uintptr(hNode),
	uintptr(lpszNodeId),
	uintptr(lpcchName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GetClusterNodeId(
  hNode: NativeInt;   // HNODE optional
  lpszNodeId: PWideChar;   // LPWSTR out
  lpcchName: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'CLUSAPI.dll' name 'GetClusterNodeId';

result := DllCall("CLUSAPI\GetClusterNodeId"
    , "Ptr", hNode   ; HNODE optional
    , "Ptr", lpszNodeId   ; LPWSTR out
    , "Ptr", lpcchName   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●GetClusterNodeId(hNode, lpszNodeId, lpcchName) = DLL("CLUSAPI.dll", "dword GetClusterNodeId(int, char*, void*)")
# 呼び出し: GetClusterNodeId(hNode, lpszNodeId, lpcchName)
# hNode : HNODE optional -> "int"
# lpszNodeId : LPWSTR out -> "char*"
# lpcchName : 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)。