NPGetResourceInformation

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

DWORD NPGetResourceInformation(
    NETRESOURCEW* lpNetResource,
    void* lpBuffer,
    DWORD* lpBufferSize,
    LPWSTR* lplpSystem
);

<DllImport("davclnt.dll", ExactSpelling:=True)>
Public Shared Function NPGetResourceInformation(
    lpNetResource As IntPtr,   ' NETRESOURCEW*
    lpBuffer As IntPtr,   ' void* out
    ByRef lpBufferSize As UInteger,   ' DWORD* in/out
    lplpSystem As IntPtr   ' LPWSTR* out
) As UInteger
End Function

' lpNetResource : NETRESOURCEW*
' lpBuffer : void* out
' lpBufferSize : DWORD* in/out
' lplpSystem : LPWSTR* out
Declare PtrSafe Function NPGetResourceInformation Lib "davclnt" ( _
    ByVal lpNetResource As LongPtr, _
    ByVal lpBuffer As LongPtr, _
    ByRef lpBufferSize As Long, _
    ByVal lplpSystem As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

NPGetResourceInformation = ctypes.windll.davclnt.NPGetResourceInformation
NPGetResourceInformation.restype = wintypes.DWORD
NPGetResourceInformation.argtypes = [
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEW*
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* in/out
    ctypes.c_void_p,  # lplpSystem : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('davclnt.dll')
NPGetResourceInformation = Fiddle::Function.new(
  lib['NPGetResourceInformation'],
  [
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEW*
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lplpSystem : LPWSTR* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "davclnt")]
extern "system" {
    fn NPGetResourceInformation(
        lpNetResource: *mut NETRESOURCEW,  // NETRESOURCEW*
        lpBuffer: *mut (),  // void* out
        lpBufferSize: *mut u32,  // DWORD* in/out
        lplpSystem: *mut *mut u16  // LPWSTR* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "davclnt.dll"
#func global NPGetResourceInformation "NPGetResourceInformation" sptr, sptr, sptr, sptr
; NPGetResourceInformation varptr(lpNetResource), lpBuffer, varptr(lpBufferSize), varptr(lplpSystem)   ; 戻り値は stat
; lpNetResource : NETRESOURCEW* -> "sptr"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : DWORD* in/out -> "sptr"
; lplpSystem : LPWSTR* 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。

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

var (
	davclnt = windows.NewLazySystemDLL("davclnt.dll")
	procNPGetResourceInformation = davclnt.NewProc("NPGetResourceInformation")
)

// lpNetResource (NETRESOURCEW*), lpBuffer (void* out), lpBufferSize (DWORD* in/out), lplpSystem (LPWSTR* out)
r1, _, err := procNPGetResourceInformation.Call(
	uintptr(lpNetResource),
	uintptr(lpBuffer),
	uintptr(lpBufferSize),
	uintptr(lplpSystem),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NPGetResourceInformation(
  lpNetResource: Pointer;   // NETRESOURCEW*
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer;   // DWORD* in/out
  lplpSystem: PPWideChar   // LPWSTR* out
): DWORD; stdcall;
  external 'davclnt.dll' name 'NPGetResourceInformation';

result := DllCall("davclnt\NPGetResourceInformation"
    , "Ptr", lpNetResource   ; NETRESOURCEW*
    , "Ptr", lpBuffer   ; void* out
    , "Ptr", lpBufferSize   ; DWORD* in/out
    , "Ptr", lplpSystem   ; LPWSTR* out
    , "UInt")   ; return: DWORD

●NPGetResourceInformation(lpNetResource, lpBuffer, lpBufferSize, lplpSystem) = DLL("davclnt.dll", "dword NPGetResourceInformation(void*, void*, void*, void*)")
# 呼び出し: NPGetResourceInformation(lpNetResource, lpBuffer, lpBufferSize, lplpSystem)
# lpNetResource : NETRESOURCEW* -> "void*"
# lpBuffer : void* out -> "void*"
# lpBufferSize : DWORD* in/out -> "void*"
# lplpSystem : LPWSTR* 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)。

const std = @import("std");

extern "davclnt" fn NPGetResourceInformation(
    lpNetResource: [*c]NETRESOURCEW, // NETRESOURCEW*
    lpBuffer: ?*anyopaque, // void* out
    lpBufferSize: [*c]u32, // DWORD* in/out
    lplpSystem: [*c][*c]u16 // LPWSTR* out
) callconv(std.os.windows.WINAPI) u32;

proc NPGetResourceInformation(
    lpNetResource: ptr NETRESOURCEW,  # NETRESOURCEW*
    lpBuffer: pointer,  # void* out
    lpBufferSize: ptr uint32,  # DWORD* in/out
    lplpSystem: ptr WideCString  # LPWSTR* out
): uint32 {.importc: "NPGetResourceInformation", stdcall, dynlib: "davclnt.dll".}

pragma(lib, "davclnt");
extern(Windows)
uint NPGetResourceInformation(
    NETRESOURCEW* lpNetResource,   // NETRESOURCEW*
    void* lpBuffer,   // void* out
    uint* lpBufferSize,   // DWORD* in/out
    wchar** lplpSystem   // LPWSTR* out
);

ccall((:NPGetResourceInformation, "davclnt.dll"), stdcall, UInt32,
      (Ptr{NETRESOURCEW}, Ptr{Cvoid}, Ptr{UInt32}, Ptr{Ptr{UInt16}}),
      lpNetResource, lpBuffer, lpBufferSize, lplpSystem)
# lpNetResource : NETRESOURCEW* -> Ptr{NETRESOURCEW}
# lpBuffer : void* out -> Ptr{Cvoid}
# lpBufferSize : DWORD* in/out -> Ptr{UInt32}
# lplpSystem : LPWSTR* out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t NPGetResourceInformation(
    void* lpNetResource,
    void* lpBuffer,
    uint32_t* lpBufferSize,
    uint16_t** lplpSystem);
]]
local davclnt = ffi.load("davclnt")
-- davclnt.NPGetResourceInformation(lpNetResource, lpBuffer, lpBufferSize, lplpSystem)
-- lpNetResource : NETRESOURCEW*
-- lpBuffer : void* out
-- lpBufferSize : DWORD* in/out
-- lplpSystem : LPWSTR* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('davclnt.dll');
const NPGetResourceInformation = lib.func('__stdcall', 'NPGetResourceInformation', 'uint32_t', ['void *', 'void *', 'uint32_t *', 'void *']);
// NPGetResourceInformation(lpNetResource, lpBuffer, lpBufferSize, lplpSystem)
// lpNetResource : NETRESOURCEW* -> 'void *'
// lpBuffer : void* out -> 'void *'
// lpBufferSize : DWORD* in/out -> 'uint32_t *'
// lplpSystem : LPWSTR* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("davclnt.dll", {
  NPGetResourceInformation: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.NPGetResourceInformation(lpNetResource, lpBuffer, lpBufferSize, lplpSystem)
// lpNetResource : NETRESOURCEW* -> "pointer"
// lpBuffer : void* out -> "pointer"
// lpBufferSize : DWORD* in/out -> "pointer"
// lplpSystem : LPWSTR* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t NPGetResourceInformation(
    void* lpNetResource,
    void* lpBuffer,
    uint32_t* lpBufferSize,
    uint16_t** lplpSystem);
C, "davclnt.dll");
// $ffi->NPGetResourceInformation(lpNetResource, lpBuffer, lpBufferSize, lplpSystem);
// lpNetResource : NETRESOURCEW*
// lpBuffer : void* out
// lpBufferSize : DWORD* in/out
// lplpSystem : LPWSTR* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Davclnt extends StdCallLibrary {
    Davclnt INSTANCE = Native.load("davclnt", Davclnt.class);
    int NPGetResourceInformation(
        Pointer lpNetResource,   // NETRESOURCEW*
        Pointer lpBuffer,   // void* out
        IntByReference lpBufferSize,   // DWORD* in/out
        PointerByReference lplpSystem   // LPWSTR* out
    );
}

@[Link("davclnt")]
lib Libdavclnt
  fun NPGetResourceInformation = NPGetResourceInformation(
    lpNetResource : NETRESOURCEW*,   # NETRESOURCEW*
    lpBuffer : Void*,   # void* out
    lpBufferSize : UInt32*,   # DWORD* in/out
    lplpSystem : UInt16**   # LPWSTR* out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef NPGetResourceInformationNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Pointer<Utf16>>);
typedef NPGetResourceInformationDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Pointer<Utf16>>);
final NPGetResourceInformation = DynamicLibrary.open('davclnt.dll')
    .lookupFunction<NPGetResourceInformationNative, NPGetResourceInformationDart>('NPGetResourceInformation');
// lpNetResource : NETRESOURCEW* -> Pointer<Void>
// lpBuffer : void* out -> Pointer<Void>
// lpBufferSize : DWORD* in/out -> Pointer<Uint32>
// lplpSystem : LPWSTR* out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function NPGetResourceInformation(
  lpNetResource: Pointer;   // NETRESOURCEW*
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer;   // DWORD* in/out
  lplpSystem: PPWideChar   // LPWSTR* out
): DWORD; stdcall;
  external 'davclnt.dll' name 'NPGetResourceInformation';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "NPGetResourceInformation"
  c_NPGetResourceInformation :: Ptr () -> Ptr () -> Ptr Word32 -> Ptr CWString -> IO Word32
-- lpNetResource : NETRESOURCEW* -> Ptr ()
-- lpBuffer : void* out -> Ptr ()
-- lpBufferSize : DWORD* in/out -> Ptr Word32
-- lplpSystem : LPWSTR* out -> Ptr CWString
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let npgetresourceinformation =
  foreign "NPGetResourceInformation"
    ((ptr void) @-> (ptr void) @-> (ptr uint32_t) @-> (ptr (ptr uint16_t)) @-> returning uint32_t)
(* lpNetResource : NETRESOURCEW* -> (ptr void) *)
(* lpBuffer : void* out -> (ptr void) *)
(* lpBufferSize : DWORD* in/out -> (ptr uint32_t) *)
(* lplpSystem : LPWSTR* out -> (ptr (ptr uint16_t)) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library davclnt (t "davclnt.dll"))
(cffi:use-foreign-library davclnt)

(cffi:defcfun ("NPGetResourceInformation" npget-resource-information :convention :stdcall) :uint32
  (lp-net-resource :pointer)   ; NETRESOURCEW*
  (lp-buffer :pointer)   ; void* out
  (lp-buffer-size :pointer)   ; DWORD* in/out
  (lplp-system :pointer))   ; LPWSTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $NPGetResourceInformation = Win32::API::More->new('davclnt',
    'DWORD NPGetResourceInformation(LPVOID lpNetResource, LPVOID lpBuffer, LPVOID lpBufferSize, LPVOID lplpSystem)');
# my $ret = $NPGetResourceInformation->Call($lpNetResource, $lpBuffer, $lpBufferSize, $lplpSystem);
# lpNetResource : NETRESOURCEW* -> LPVOID
# lpBuffer : void* out -> LPVOID
# lpBufferSize : DWORD* in/out -> LPVOID
# lplpSystem : LPWSTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。