NPGetConnection3

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

DWORD NPGetConnection3(
    LPCWSTR lpLocalName,
    DWORD dwLevel,
    void* lpBuffer,
    DWORD* lpBufferSize
);

<DllImport("NTLANMAN.dll", ExactSpelling:=True)>
Public Shared Function NPGetConnection3(
    <MarshalAs(UnmanagedType.LPWStr)> lpLocalName As String,   ' LPCWSTR
    dwLevel As UInteger,   ' DWORD
    lpBuffer As IntPtr,   ' void* out
    ByRef lpBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' lpLocalName : LPCWSTR
' dwLevel : DWORD
' lpBuffer : void* out
' lpBufferSize : DWORD* in/out
Declare PtrSafe Function NPGetConnection3 Lib "ntlanman" ( _
    ByVal lpLocalName As LongPtr, _
    ByVal dwLevel 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

NPGetConnection3 = ctypes.windll.ntlanman.NPGetConnection3
NPGetConnection3.restype = wintypes.DWORD
NPGetConnection3.argtypes = [
    wintypes.LPCWSTR,  # lpLocalName : LPCWSTR
    wintypes.DWORD,  # dwLevel : DWORD
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NTLANMAN.dll')
NPGetConnection3 = Fiddle::Function.new(
  lib['NPGetConnection3'],
  [
    Fiddle::TYPE_VOIDP,  # lpLocalName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwLevel : DWORD
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "ntlanman")]
extern "system" {
    fn NPGetConnection3(
        lpLocalName: *const u16,  // LPCWSTR
        dwLevel: u32,  // DWORD
        lpBuffer: *mut (),  // void* out
        lpBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NTLANMAN.dll")]
public static extern uint NPGetConnection3([MarshalAs(UnmanagedType.LPWStr)] string lpLocalName, uint dwLevel, IntPtr lpBuffer, ref uint lpBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NTLANMAN_NPGetConnection3' -Namespace Win32 -PassThru
# $api::NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)

#uselib "NTLANMAN.dll"
#func global NPGetConnection3 "NPGetConnection3" sptr, sptr, sptr, sptr
; NPGetConnection3 lpLocalName, dwLevel, lpBuffer, varptr(lpBufferSize)   ; 戻り値は stat
; lpLocalName : LPCWSTR -> "sptr"
; dwLevel : DWORD -> "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。

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

var (
	ntlanman = windows.NewLazySystemDLL("NTLANMAN.dll")
	procNPGetConnection3 = ntlanman.NewProc("NPGetConnection3")
)

// lpLocalName (LPCWSTR), dwLevel (DWORD), lpBuffer (void* out), lpBufferSize (DWORD* in/out)
r1, _, err := procNPGetConnection3.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpLocalName))),
	uintptr(dwLevel),
	uintptr(lpBuffer),
	uintptr(lpBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NPGetConnection3(
  lpLocalName: PWideChar;   // LPCWSTR
  dwLevel: DWORD;   // DWORD
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'NTLANMAN.dll' name 'NPGetConnection3';

result := DllCall("NTLANMAN\NPGetConnection3"
    , "WStr", lpLocalName   ; LPCWSTR
    , "UInt", dwLevel   ; DWORD
    , "Ptr", lpBuffer   ; void* out
    , "Ptr", lpBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize) = DLL("NTLANMAN.dll", "dword NPGetConnection3(char*, dword, void*, void*)")
# 呼び出し: NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)
# lpLocalName : LPCWSTR -> "char*"
# dwLevel : DWORD -> "dword"
# 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)。

const std = @import("std");

extern "ntlanman" fn NPGetConnection3(
    lpLocalName: [*c]const u16, // LPCWSTR
    dwLevel: u32, // DWORD
    lpBuffer: ?*anyopaque, // void* out
    lpBufferSize: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) u32;

proc NPGetConnection3(
    lpLocalName: WideCString,  # LPCWSTR
    dwLevel: uint32,  # DWORD
    lpBuffer: pointer,  # void* out
    lpBufferSize: ptr uint32  # DWORD* in/out
): uint32 {.importc: "NPGetConnection3", stdcall, dynlib: "NTLANMAN.dll".}

pragma(lib, "ntlanman");
extern(Windows)
uint NPGetConnection3(
    const(wchar)* lpLocalName,   // LPCWSTR
    uint dwLevel,   // DWORD
    void* lpBuffer,   // void* out
    uint* lpBufferSize   // DWORD* in/out
);

ccall((:NPGetConnection3, "NTLANMAN.dll"), stdcall, UInt32,
      (Cwstring, UInt32, Ptr{Cvoid}, Ptr{UInt32}),
      lpLocalName, dwLevel, lpBuffer, lpBufferSize)
# lpLocalName : LPCWSTR -> Cwstring
# dwLevel : DWORD -> UInt32
# lpBuffer : void* out -> Ptr{Cvoid}
# lpBufferSize : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t NPGetConnection3(
    const uint16_t* lpLocalName,
    uint32_t dwLevel,
    void* lpBuffer,
    uint32_t* lpBufferSize);
]]
local ntlanman = ffi.load("ntlanman")
-- ntlanman.NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)
-- lpLocalName : LPCWSTR
-- dwLevel : DWORD
-- lpBuffer : void* out
-- lpBufferSize : DWORD* in/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('NTLANMAN.dll');
const NPGetConnection3 = lib.func('__stdcall', 'NPGetConnection3', 'uint32_t', ['str16', 'uint32_t', 'void *', 'uint32_t *']);
// NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)
// lpLocalName : LPCWSTR -> 'str16'
// dwLevel : DWORD -> 'uint32_t'
// lpBuffer : void* out -> 'void *'
// lpBufferSize : DWORD* in/out -> 'uint32_t *'
// 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("NTLANMAN.dll", {
  NPGetConnection3: { parameters: ["buffer", "u32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)
// lpLocalName : LPCWSTR -> "buffer"
// dwLevel : DWORD -> "u32"
// lpBuffer : void* out -> "pointer"
// lpBufferSize : DWORD* in/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 NPGetConnection3(
    const uint16_t* lpLocalName,
    uint32_t dwLevel,
    void* lpBuffer,
    uint32_t* lpBufferSize);
C, "NTLANMAN.dll");
// $ffi->NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize);
// lpLocalName : LPCWSTR
// dwLevel : DWORD
// lpBuffer : void* out
// lpBufferSize : DWORD* in/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 Ntlanman extends StdCallLibrary {
    Ntlanman INSTANCE = Native.load("ntlanman", Ntlanman.class);
    int NPGetConnection3(
        WString lpLocalName,   // LPCWSTR
        int dwLevel,   // DWORD
        Pointer lpBuffer,   // void* out
        IntByReference lpBufferSize   // DWORD* in/out
    );
}

@[Link("ntlanman")]
lib LibNTLANMAN
  fun NPGetConnection3 = NPGetConnection3(
    lpLocalName : UInt16*,   # LPCWSTR
    dwLevel : UInt32,   # DWORD
    lpBuffer : Void*,   # void* out
    lpBufferSize : UInt32*   # DWORD* in/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 NPGetConnection3Native = Uint32 Function(Pointer<Utf16>, Uint32, Pointer<Void>, Pointer<Uint32>);
typedef NPGetConnection3Dart = int Function(Pointer<Utf16>, int, Pointer<Void>, Pointer<Uint32>);
final NPGetConnection3 = DynamicLibrary.open('NTLANMAN.dll')
    .lookupFunction<NPGetConnection3Native, NPGetConnection3Dart>('NPGetConnection3');
// lpLocalName : LPCWSTR -> Pointer<Utf16>
// dwLevel : DWORD -> Uint32
// lpBuffer : void* out -> Pointer<Void>
// lpBufferSize : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function NPGetConnection3(
  lpLocalName: PWideChar;   // LPCWSTR
  dwLevel: DWORD;   // DWORD
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'NTLANMAN.dll' name 'NPGetConnection3';

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

foreign import stdcall safe "NPGetConnection3"
  c_NPGetConnection3 :: CWString -> Word32 -> Ptr () -> Ptr Word32 -> IO Word32
-- lpLocalName : LPCWSTR -> CWString
-- dwLevel : DWORD -> Word32
-- lpBuffer : void* out -> Ptr ()
-- lpBufferSize : DWORD* in/out -> Ptr Word32
-- 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 npgetconnection3 =
  foreign "NPGetConnection3"
    ((ptr uint16_t) @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> returning uint32_t)
(* lpLocalName : LPCWSTR -> (ptr uint16_t) *)
(* dwLevel : DWORD -> uint32_t *)
(* lpBuffer : void* out -> (ptr void) *)
(* lpBufferSize : DWORD* in/out -> (ptr uint32_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 ntlanman (t "NTLANMAN.dll"))
(cffi:use-foreign-library ntlanman)

(cffi:defcfun ("NPGetConnection3" npget-connection3 :convention :stdcall) :uint32
  (lp-local-name (:string :encoding :utf-16le))   ; LPCWSTR
  (dw-level :uint32)   ; DWORD
  (lp-buffer :pointer)   ; void* out
  (lp-buffer-size :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $NPGetConnection3 = Win32::API::More->new('NTLANMAN',
    'DWORD NPGetConnection3(LPCWSTR lpLocalName, DWORD dwLevel, LPVOID lpBuffer, LPVOID lpBufferSize)');
# my $ret = $NPGetConnection3->Call($lpLocalName, $dwLevel, $lpBuffer, $lpBufferSize);
# lpLocalName : LPCWSTR -> LPCWSTR
# dwLevel : DWORD -> DWORD
# lpBuffer : void* out -> LPVOID
# lpBufferSize : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。