NPEnumResource

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

DWORD NPEnumResource(
    HANDLE hEnum,
    DWORD* lpcCount,
    void* lpBuffer,
    DWORD* lpBufferSize
);

<DllImport("davclnt.dll", ExactSpelling:=True)>
Public Shared Function NPEnumResource(
    hEnum As IntPtr,   ' HANDLE
    ByRef lpcCount As UInteger,   ' DWORD* in/out
    lpBuffer As IntPtr,   ' void* out
    ByRef lpBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' hEnum : HANDLE
' lpcCount : DWORD* in/out
' lpBuffer : void* out
' lpBufferSize : DWORD* in/out
Declare PtrSafe Function NPEnumResource Lib "davclnt" ( _
    ByVal hEnum As LongPtr, _
    ByRef lpcCount As Long, _
    ByVal lpBuffer As LongPtr, _
    ByRef lpBufferSize 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

NPEnumResource = ctypes.windll.davclnt.NPEnumResource
NPEnumResource.restype = wintypes.DWORD
NPEnumResource.argtypes = [
    wintypes.HANDLE,  # hEnum : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # lpcCount : DWORD* in/out
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('davclnt.dll')
NPEnumResource = Fiddle::Function.new(
  lib['NPEnumResource'],
  [
    Fiddle::TYPE_VOIDP,  # hEnum : HANDLE
    Fiddle::TYPE_VOIDP,  # lpcCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "davclnt")]
extern "system" {
    fn NPEnumResource(
        hEnum: *mut core::ffi::c_void,  // HANDLE
        lpcCount: *mut u32,  // DWORD* in/out
        lpBuffer: *mut (),  // void* out
        lpBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("davclnt.dll")]
public static extern uint NPEnumResource(IntPtr hEnum, ref uint lpcCount, IntPtr lpBuffer, ref uint lpBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'davclnt_NPEnumResource' -Namespace Win32 -PassThru
# $api::NPEnumResource(hEnum, lpcCount, lpBuffer, lpBufferSize)

#uselib "davclnt.dll"
#func global NPEnumResource "NPEnumResource" sptr, sptr, sptr, sptr
; NPEnumResource hEnum, varptr(lpcCount), lpBuffer, varptr(lpBufferSize)   ; 戻り値は stat
; hEnum : HANDLE -> "sptr"
; lpcCount : DWORD* in/out -> "sptr"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : 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 "davclnt.dll"
#cfunc global NPEnumResource "NPEnumResource" sptr, var, sptr, var
; res = NPEnumResource(hEnum, lpcCount, lpBuffer, lpBufferSize)
; hEnum : HANDLE -> "sptr"
; lpcCount : DWORD* in/out -> "var"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : 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 NPEnumResource(HANDLE hEnum, DWORD* lpcCount, void* lpBuffer, DWORD* lpBufferSize)
#uselib "davclnt.dll"
#cfunc global NPEnumResource "NPEnumResource" intptr, var, intptr, var
; res = NPEnumResource(hEnum, lpcCount, lpBuffer, lpBufferSize)
; hEnum : HANDLE -> "intptr"
; lpcCount : DWORD* in/out -> "var"
; lpBuffer : void* out -> "intptr"
; lpBufferSize : 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 (
	davclnt = windows.NewLazySystemDLL("davclnt.dll")
	procNPEnumResource = davclnt.NewProc("NPEnumResource")
)

// hEnum (HANDLE), lpcCount (DWORD* in/out), lpBuffer (void* out), lpBufferSize (DWORD* in/out)
r1, _, err := procNPEnumResource.Call(
	uintptr(hEnum),
	uintptr(lpcCount),
	uintptr(lpBuffer),
	uintptr(lpBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NPEnumResource(
  hEnum: THandle;   // HANDLE
  lpcCount: Pointer;   // DWORD* in/out
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'davclnt.dll' name 'NPEnumResource';

result := DllCall("davclnt\NPEnumResource"
    , "Ptr", hEnum   ; HANDLE
    , "Ptr", lpcCount   ; DWORD* in/out
    , "Ptr", lpBuffer   ; void* out
    , "Ptr", lpBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●NPEnumResource(hEnum, lpcCount, lpBuffer, lpBufferSize) = DLL("davclnt.dll", "dword NPEnumResource(void*, void*, void*, void*)")
# 呼び出し: NPEnumResource(hEnum, lpcCount, lpBuffer, lpBufferSize)
# hEnum : HANDLE -> "void*"
# lpcCount : DWORD* in/out -> "void*"
# lpBuffer : void* out -> "void*"
# lpBufferSize : 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)。