NetDfsGetInfo

// NETAPI32.dll
#include <windows.h>

DWORD NetDfsGetInfo(
    LPWSTR DfsEntryPath,
    LPWSTR ServerName,   // optional
    LPWSTR ShareName,   // optional
    DWORD Level,
    BYTE** Buffer
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetDfsGetInfo(
    <MarshalAs(UnmanagedType.LPWStr)> DfsEntryPath As String,   ' LPWSTR
    <MarshalAs(UnmanagedType.LPWStr)> ServerName As String,   ' LPWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> ShareName As String,   ' LPWSTR optional
    Level As UInteger,   ' DWORD
    Buffer As IntPtr   ' BYTE** out
) As UInteger
End Function

' DfsEntryPath : LPWSTR
' ServerName : LPWSTR optional
' ShareName : LPWSTR optional
' Level : DWORD
' Buffer : BYTE** out
Declare PtrSafe Function NetDfsGetInfo Lib "netapi32" ( _
    ByVal DfsEntryPath As LongPtr, _
    ByVal ServerName As LongPtr, _
    ByVal ShareName As LongPtr, _
    ByVal Level As Long, _
    ByVal Buffer 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

NetDfsGetInfo = ctypes.windll.netapi32.NetDfsGetInfo
NetDfsGetInfo.restype = wintypes.DWORD
NetDfsGetInfo.argtypes = [
    wintypes.LPCWSTR,  # DfsEntryPath : LPWSTR
    wintypes.LPCWSTR,  # ServerName : LPWSTR optional
    wintypes.LPCWSTR,  # ShareName : LPWSTR optional
    wintypes.DWORD,  # Level : DWORD
    ctypes.c_void_p,  # Buffer : BYTE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetDfsGetInfo = Fiddle::Function.new(
  lib['NetDfsGetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # DfsEntryPath : LPWSTR
    Fiddle::TYPE_VOIDP,  # ServerName : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # ShareName : LPWSTR optional
    -Fiddle::TYPE_INT,  # Level : DWORD
    Fiddle::TYPE_VOIDP,  # Buffer : BYTE** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetDfsGetInfo(
        DfsEntryPath: *mut u16,  // LPWSTR
        ServerName: *mut u16,  // LPWSTR optional
        ShareName: *mut u16,  // LPWSTR optional
        Level: u32,  // DWORD
        Buffer: *mut *mut u8  // BYTE** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetDfsGetInfo([MarshalAs(UnmanagedType.LPWStr)] string DfsEntryPath, [MarshalAs(UnmanagedType.LPWStr)] string ServerName, [MarshalAs(UnmanagedType.LPWStr)] string ShareName, uint Level, IntPtr Buffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetDfsGetInfo' -Namespace Win32 -PassThru
# $api::NetDfsGetInfo(DfsEntryPath, ServerName, ShareName, Level, Buffer)

#uselib "NETAPI32.dll"
#func global NetDfsGetInfo "NetDfsGetInfo" sptr, sptr, sptr, sptr, sptr
; NetDfsGetInfo DfsEntryPath, ServerName, ShareName, Level, varptr(Buffer)   ; 戻り値は stat
; DfsEntryPath : LPWSTR -> "sptr"
; ServerName : LPWSTR optional -> "sptr"
; ShareName : LPWSTR optional -> "sptr"
; Level : DWORD -> "sptr"
; Buffer : BYTE** 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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetDfsGetInfo = netapi32.NewProc("NetDfsGetInfo")
)

// DfsEntryPath (LPWSTR), ServerName (LPWSTR optional), ShareName (LPWSTR optional), Level (DWORD), Buffer (BYTE** out)
r1, _, err := procNetDfsGetInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(DfsEntryPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ShareName))),
	uintptr(Level),
	uintptr(Buffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetDfsGetInfo(
  DfsEntryPath: PWideChar;   // LPWSTR
  ServerName: PWideChar;   // LPWSTR optional
  ShareName: PWideChar;   // LPWSTR optional
  Level: DWORD;   // DWORD
  Buffer: Pointer   // BYTE** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetDfsGetInfo';

result := DllCall("NETAPI32\NetDfsGetInfo"
    , "WStr", DfsEntryPath   ; LPWSTR
    , "WStr", ServerName   ; LPWSTR optional
    , "WStr", ShareName   ; LPWSTR optional
    , "UInt", Level   ; DWORD
    , "Ptr", Buffer   ; BYTE** out
    , "UInt")   ; return: DWORD

●NetDfsGetInfo(DfsEntryPath, ServerName, ShareName, Level, Buffer) = DLL("NETAPI32.dll", "dword NetDfsGetInfo(char*, char*, char*, dword, void*)")
# 呼び出し: NetDfsGetInfo(DfsEntryPath, ServerName, ShareName, Level, Buffer)
# DfsEntryPath : LPWSTR -> "char*"
# ServerName : LPWSTR optional -> "char*"
# ShareName : LPWSTR optional -> "char*"
# Level : DWORD -> "dword"
# Buffer : BYTE** 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 "netapi32" fn NetDfsGetInfo(
    DfsEntryPath: [*c]const u16, // LPWSTR
    ServerName: [*c]const u16, // LPWSTR optional
    ShareName: [*c]const u16, // LPWSTR optional
    Level: u32, // DWORD
    Buffer: [*c][*c]u8 // BYTE** out
) callconv(std.os.windows.WINAPI) u32;

proc NetDfsGetInfo(
    DfsEntryPath: WideCString,  # LPWSTR
    ServerName: WideCString,  # LPWSTR optional
    ShareName: WideCString,  # LPWSTR optional
    Level: uint32,  # DWORD
    Buffer: ptr uint8  # BYTE** out
): uint32 {.importc: "NetDfsGetInfo", stdcall, dynlib: "NETAPI32.dll".}

pragma(lib, "netapi32");
extern(Windows)
uint NetDfsGetInfo(
    const(wchar)* DfsEntryPath,   // LPWSTR
    const(wchar)* ServerName,   // LPWSTR optional
    const(wchar)* ShareName,   // LPWSTR optional
    uint Level,   // DWORD
    ubyte** Buffer   // BYTE** out
);

ccall((:NetDfsGetInfo, "NETAPI32.dll"), stdcall, UInt32,
      (Cwstring, Cwstring, Cwstring, UInt32, Ptr{UInt8}),
      DfsEntryPath, ServerName, ShareName, Level, Buffer)
# DfsEntryPath : LPWSTR -> Cwstring
# ServerName : LPWSTR optional -> Cwstring
# ShareName : LPWSTR optional -> Cwstring
# Level : DWORD -> UInt32
# Buffer : BYTE** out -> Ptr{UInt8}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t NetDfsGetInfo(
    const uint16_t* DfsEntryPath,
    const uint16_t* ServerName,
    const uint16_t* ShareName,
    uint32_t Level,
    uint8_t** Buffer);
]]
local netapi32 = ffi.load("netapi32")
-- netapi32.NetDfsGetInfo(DfsEntryPath, ServerName, ShareName, Level, Buffer)
-- DfsEntryPath : LPWSTR
-- ServerName : LPWSTR optional
-- ShareName : LPWSTR optional
-- Level : DWORD
-- Buffer : BYTE** 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('NETAPI32.dll');
const NetDfsGetInfo = lib.func('__stdcall', 'NetDfsGetInfo', 'uint32_t', ['str16', 'str16', 'str16', 'uint32_t', 'uint8_t *']);
// NetDfsGetInfo(DfsEntryPath, ServerName, ShareName, Level, Buffer)
// DfsEntryPath : LPWSTR -> 'str16'
// ServerName : LPWSTR optional -> 'str16'
// ShareName : LPWSTR optional -> 'str16'
// Level : DWORD -> 'uint32_t'
// Buffer : BYTE** out -> 'uint8_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("NETAPI32.dll", {
  NetDfsGetInfo: { parameters: ["buffer", "buffer", "buffer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.NetDfsGetInfo(DfsEntryPath, ServerName, ShareName, Level, Buffer)
// DfsEntryPath : LPWSTR -> "buffer"
// ServerName : LPWSTR optional -> "buffer"
// ShareName : LPWSTR optional -> "buffer"
// Level : DWORD -> "u32"
// Buffer : BYTE** 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 NetDfsGetInfo(
    const uint16_t* DfsEntryPath,
    const uint16_t* ServerName,
    const uint16_t* ShareName,
    uint32_t Level,
    uint8_t** Buffer);
C, "NETAPI32.dll");
// $ffi->NetDfsGetInfo(DfsEntryPath, ServerName, ShareName, Level, Buffer);
// DfsEntryPath : LPWSTR
// ServerName : LPWSTR optional
// ShareName : LPWSTR optional
// Level : DWORD
// Buffer : BYTE** 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 Netapi32 extends StdCallLibrary {
    Netapi32 INSTANCE = Native.load("netapi32", Netapi32.class);
    int NetDfsGetInfo(
        WString DfsEntryPath,   // LPWSTR
        WString ServerName,   // LPWSTR optional
        WString ShareName,   // LPWSTR optional
        int Level,   // DWORD
        Pointer Buffer   // BYTE** out
    );
}

@[Link("netapi32")]
lib LibNETAPI32
  fun NetDfsGetInfo = NetDfsGetInfo(
    DfsEntryPath : UInt16*,   # LPWSTR
    ServerName : UInt16*,   # LPWSTR optional
    ShareName : UInt16*,   # LPWSTR optional
    Level : UInt32,   # DWORD
    Buffer : UInt8**   # BYTE** 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 NetDfsGetInfoNative = Uint32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Uint8>);
typedef NetDfsGetInfoDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Uint8>);
final NetDfsGetInfo = DynamicLibrary.open('NETAPI32.dll')
    .lookupFunction<NetDfsGetInfoNative, NetDfsGetInfoDart>('NetDfsGetInfo');
// DfsEntryPath : LPWSTR -> Pointer<Utf16>
// ServerName : LPWSTR optional -> Pointer<Utf16>
// ShareName : LPWSTR optional -> Pointer<Utf16>
// Level : DWORD -> Uint32
// Buffer : BYTE** out -> Pointer<Uint8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function NetDfsGetInfo(
  DfsEntryPath: PWideChar;   // LPWSTR
  ServerName: PWideChar;   // LPWSTR optional
  ShareName: PWideChar;   // LPWSTR optional
  Level: DWORD;   // DWORD
  Buffer: Pointer   // BYTE** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetDfsGetInfo';

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

foreign import stdcall safe "NetDfsGetInfo"
  c_NetDfsGetInfo :: CWString -> CWString -> CWString -> Word32 -> Ptr Word8 -> IO Word32
-- DfsEntryPath : LPWSTR -> CWString
-- ServerName : LPWSTR optional -> CWString
-- ShareName : LPWSTR optional -> CWString
-- Level : DWORD -> Word32
-- Buffer : BYTE** out -> Ptr Word8
-- 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 netdfsgetinfo =
  foreign "NetDfsGetInfo"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint8_t) @-> returning uint32_t)
(* DfsEntryPath : LPWSTR -> (ptr uint16_t) *)
(* ServerName : LPWSTR optional -> (ptr uint16_t) *)
(* ShareName : LPWSTR optional -> (ptr uint16_t) *)
(* Level : DWORD -> uint32_t *)
(* Buffer : BYTE** out -> (ptr uint8_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 netapi32 (t "NETAPI32.dll"))
(cffi:use-foreign-library netapi32)

(cffi:defcfun ("NetDfsGetInfo" net-dfs-get-info :convention :stdcall) :uint32
  (dfs-entry-path (:string :encoding :utf-16le))   ; LPWSTR
  (server-name (:string :encoding :utf-16le))   ; LPWSTR optional
  (share-name (:string :encoding :utf-16le))   ; LPWSTR optional
  (level :uint32)   ; DWORD
  (buffer :pointer))   ; BYTE** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $NetDfsGetInfo = Win32::API::More->new('NETAPI32',
    'DWORD NetDfsGetInfo(LPCWSTR DfsEntryPath, LPCWSTR ServerName, LPCWSTR ShareName, DWORD Level, LPVOID Buffer)');
# my $ret = $NetDfsGetInfo->Call($DfsEntryPath, $ServerName, $ShareName, $Level, $Buffer);
# DfsEntryPath : LPWSTR -> LPCWSTR
# ServerName : LPWSTR optional -> LPCWSTR
# ShareName : LPWSTR optional -> LPCWSTR
# Level : DWORD -> DWORD
# Buffer : BYTE** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。