ClusterNetInterfaceOpenEnum

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

HNETINTERFACEENUM ClusterNetInterfaceOpenEnum(
    HCLUSTER hCluster,
    LPCWSTR lpszNodeName,   // optional
    LPCWSTR lpszNetworkName   // optional
);

<DllImport("CLUSAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ClusterNetInterfaceOpenEnum(
    hCluster As IntPtr,   ' HCLUSTER
    <MarshalAs(UnmanagedType.LPWStr)> lpszNodeName As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpszNetworkName As String   ' LPCWSTR optional
) As IntPtr
End Function

' hCluster : HCLUSTER
' lpszNodeName : LPCWSTR optional
' lpszNetworkName : LPCWSTR optional
Declare PtrSafe Function ClusterNetInterfaceOpenEnum Lib "clusapi" ( _
    ByVal hCluster As LongPtr, _
    ByVal lpszNodeName As LongPtr, _
    ByVal lpszNetworkName As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ClusterNetInterfaceOpenEnum = ctypes.windll.clusapi.ClusterNetInterfaceOpenEnum
ClusterNetInterfaceOpenEnum.restype = ctypes.c_ssize_t
ClusterNetInterfaceOpenEnum.argtypes = [
    ctypes.c_ssize_t,  # hCluster : HCLUSTER
    wintypes.LPCWSTR,  # lpszNodeName : LPCWSTR optional
    wintypes.LPCWSTR,  # lpszNetworkName : LPCWSTR optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterNetInterfaceOpenEnum = Fiddle::Function.new(
  lib['ClusterNetInterfaceOpenEnum'],
  [
    Fiddle::TYPE_INTPTR_T,  # hCluster : HCLUSTER
    Fiddle::TYPE_VOIDP,  # lpszNodeName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpszNetworkName : LPCWSTR optional
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterNetInterfaceOpenEnum(
        hCluster: isize,  // HCLUSTER
        lpszNodeName: *const u16,  // LPCWSTR optional
        lpszNetworkName: *const u16  // LPCWSTR optional
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll", SetLastError = true)]
public static extern IntPtr ClusterNetInterfaceOpenEnum(IntPtr hCluster, [MarshalAs(UnmanagedType.LPWStr)] string lpszNodeName, [MarshalAs(UnmanagedType.LPWStr)] string lpszNetworkName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterNetInterfaceOpenEnum' -Namespace Win32 -PassThru
# $api::ClusterNetInterfaceOpenEnum(hCluster, lpszNodeName, lpszNetworkName)

#uselib "CLUSAPI.dll"
#func global ClusterNetInterfaceOpenEnum "ClusterNetInterfaceOpenEnum" sptr, sptr, sptr
; ClusterNetInterfaceOpenEnum hCluster, lpszNodeName, lpszNetworkName   ; 戻り値は stat
; hCluster : HCLUSTER -> "sptr"
; lpszNodeName : LPCWSTR optional -> "sptr"
; lpszNetworkName : LPCWSTR 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 "CLUSAPI.dll"
#cfunc global ClusterNetInterfaceOpenEnum "ClusterNetInterfaceOpenEnum" sptr, wstr, wstr
; res = ClusterNetInterfaceOpenEnum(hCluster, lpszNodeName, lpszNetworkName)
; hCluster : HCLUSTER -> "sptr"
; lpszNodeName : LPCWSTR optional -> "wstr"
; lpszNetworkName : LPCWSTR optional -> "wstr"

; HNETINTERFACEENUM ClusterNetInterfaceOpenEnum(HCLUSTER hCluster, LPCWSTR lpszNodeName, LPCWSTR lpszNetworkName)
#uselib "CLUSAPI.dll"
#cfunc global ClusterNetInterfaceOpenEnum "ClusterNetInterfaceOpenEnum" intptr, wstr, wstr
; res = ClusterNetInterfaceOpenEnum(hCluster, lpszNodeName, lpszNetworkName)
; hCluster : HCLUSTER -> "intptr"
; lpszNodeName : LPCWSTR optional -> "wstr"
; lpszNetworkName : LPCWSTR optional -> "wstr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterNetInterfaceOpenEnum = clusapi.NewProc("ClusterNetInterfaceOpenEnum")
)

// hCluster (HCLUSTER), lpszNodeName (LPCWSTR optional), lpszNetworkName (LPCWSTR optional)
r1, _, err := procClusterNetInterfaceOpenEnum.Call(
	uintptr(hCluster),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszNodeName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszNetworkName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HNETINTERFACEENUM

function ClusterNetInterfaceOpenEnum(
  hCluster: NativeInt;   // HCLUSTER
  lpszNodeName: PWideChar;   // LPCWSTR optional
  lpszNetworkName: PWideChar   // LPCWSTR optional
): NativeInt; stdcall;
  external 'CLUSAPI.dll' name 'ClusterNetInterfaceOpenEnum';

result := DllCall("CLUSAPI\ClusterNetInterfaceOpenEnum"
    , "Ptr", hCluster   ; HCLUSTER
    , "WStr", lpszNodeName   ; LPCWSTR optional
    , "WStr", lpszNetworkName   ; LPCWSTR optional
    , "Ptr")   ; return: HNETINTERFACEENUM

●ClusterNetInterfaceOpenEnum(hCluster, lpszNodeName, lpszNetworkName) = DLL("CLUSAPI.dll", "int ClusterNetInterfaceOpenEnum(int, char*, char*)")
# 呼び出し: ClusterNetInterfaceOpenEnum(hCluster, lpszNodeName, lpszNetworkName)
# hCluster : HCLUSTER -> "int"
# lpszNodeName : LPCWSTR optional -> "char*"
# lpszNetworkName : LPCWSTR optional -> "char*"
# 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)。