NetWkstaGetInfo

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

DWORD NetWkstaGetInfo(
    LPWSTR servername,   // optional
    DWORD level,
    BYTE** bufptr   // optional
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetWkstaGetInfo(
    <MarshalAs(UnmanagedType.LPWStr)> servername As String,   ' LPWSTR optional
    level As UInteger,   ' DWORD
    bufptr As IntPtr   ' BYTE** optional, out
) As UInteger
End Function

' servername : LPWSTR optional
' level : DWORD
' bufptr : BYTE** optional, out
Declare PtrSafe Function NetWkstaGetInfo Lib "netapi32" ( _
    ByVal servername As LongPtr, _
    ByVal level As Long, _
    ByVal bufptr 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

NetWkstaGetInfo = ctypes.windll.netapi32.NetWkstaGetInfo
NetWkstaGetInfo.restype = wintypes.DWORD
NetWkstaGetInfo.argtypes = [
    wintypes.LPCWSTR,  # servername : LPWSTR optional
    wintypes.DWORD,  # level : DWORD
    ctypes.c_void_p,  # bufptr : BYTE** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetWkstaGetInfo = Fiddle::Function.new(
  lib['NetWkstaGetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # servername : LPWSTR optional
    -Fiddle::TYPE_INT,  # level : DWORD
    Fiddle::TYPE_VOIDP,  # bufptr : BYTE** optional, out
  ],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetWkstaGetInfo([MarshalAs(UnmanagedType.LPWStr)] string servername, uint level, IntPtr bufptr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetWkstaGetInfo' -Namespace Win32 -PassThru
# $api::NetWkstaGetInfo(servername, level, bufptr)

#uselib "NETAPI32.dll"
#func global NetWkstaGetInfo "NetWkstaGetInfo" sptr, sptr, sptr
; NetWkstaGetInfo servername, level, varptr(bufptr)   ; 戻り値は stat
; servername : LPWSTR optional -> "sptr"
; level : DWORD -> "sptr"
; bufptr : BYTE** optional, 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")
	procNetWkstaGetInfo = netapi32.NewProc("NetWkstaGetInfo")
)

// servername (LPWSTR optional), level (DWORD), bufptr (BYTE** optional, out)
r1, _, err := procNetWkstaGetInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(servername))),
	uintptr(level),
	uintptr(bufptr),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetWkstaGetInfo(
  servername: PWideChar;   // LPWSTR optional
  level: DWORD;   // DWORD
  bufptr: Pointer   // BYTE** optional, out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetWkstaGetInfo';

result := DllCall("NETAPI32\NetWkstaGetInfo"
    , "WStr", servername   ; LPWSTR optional
    , "UInt", level   ; DWORD
    , "Ptr", bufptr   ; BYTE** optional, out
    , "UInt")   ; return: DWORD

●NetWkstaGetInfo(servername, level, bufptr) = DLL("NETAPI32.dll", "dword NetWkstaGetInfo(char*, dword, void*)")
# 呼び出し: NetWkstaGetInfo(servername, level, bufptr)
# servername : LPWSTR optional -> "char*"
# level : DWORD -> "dword"
# bufptr : BYTE** optional, 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 NetWkstaGetInfo(
    servername: [*c]const u16, // LPWSTR optional
    level: u32, // DWORD
    bufptr: [*c][*c]u8 // BYTE** optional, out
) callconv(std.os.windows.WINAPI) u32;

proc NetWkstaGetInfo(
    servername: WideCString,  # LPWSTR optional
    level: uint32,  # DWORD
    bufptr: ptr uint8  # BYTE** optional, out
): uint32 {.importc: "NetWkstaGetInfo", stdcall, dynlib: "NETAPI32.dll".}

pragma(lib, "netapi32");
extern(Windows)
uint NetWkstaGetInfo(
    const(wchar)* servername,   // LPWSTR optional
    uint level,   // DWORD
    ubyte** bufptr   // BYTE** optional, out
);

ccall((:NetWkstaGetInfo, "NETAPI32.dll"), stdcall, UInt32,
      (Cwstring, UInt32, Ptr{UInt8}),
      servername, level, bufptr)
# servername : LPWSTR optional -> Cwstring
# level : DWORD -> UInt32
# bufptr : BYTE** optional, 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 NetWkstaGetInfo(
    const uint16_t* servername,
    uint32_t level,
    uint8_t** bufptr);
]]
local netapi32 = ffi.load("netapi32")
-- netapi32.NetWkstaGetInfo(servername, level, bufptr)
-- servername : LPWSTR optional
-- level : DWORD
-- bufptr : BYTE** optional, 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 NetWkstaGetInfo = lib.func('__stdcall', 'NetWkstaGetInfo', 'uint32_t', ['str16', 'uint32_t', 'uint8_t *']);
// NetWkstaGetInfo(servername, level, bufptr)
// servername : LPWSTR optional -> 'str16'
// level : DWORD -> 'uint32_t'
// bufptr : BYTE** optional, 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", {
  NetWkstaGetInfo: { parameters: ["buffer", "u32", "pointer"], result: "u32" },
});
// lib.symbols.NetWkstaGetInfo(servername, level, bufptr)
// servername : LPWSTR optional -> "buffer"
// level : DWORD -> "u32"
// bufptr : BYTE** optional, 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 NetWkstaGetInfo(
    const uint16_t* servername,
    uint32_t level,
    uint8_t** bufptr);
C, "NETAPI32.dll");
// $ffi->NetWkstaGetInfo(servername, level, bufptr);
// servername : LPWSTR optional
// level : DWORD
// bufptr : BYTE** optional, 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 NetWkstaGetInfo(
        WString servername,   // LPWSTR optional
        int level,   // DWORD
        Pointer bufptr   // BYTE** optional, out
    );
}

@[Link("netapi32")]
lib LibNETAPI32
  fun NetWkstaGetInfo = NetWkstaGetInfo(
    servername : UInt16*,   # LPWSTR optional
    level : UInt32,   # DWORD
    bufptr : UInt8**   # BYTE** optional, 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 NetWkstaGetInfoNative = Uint32 Function(Pointer<Utf16>, Uint32, Pointer<Uint8>);
typedef NetWkstaGetInfoDart = int Function(Pointer<Utf16>, int, Pointer<Uint8>);
final NetWkstaGetInfo = DynamicLibrary.open('NETAPI32.dll')
    .lookupFunction<NetWkstaGetInfoNative, NetWkstaGetInfoDart>('NetWkstaGetInfo');
// servername : LPWSTR optional -> Pointer<Utf16>
// level : DWORD -> Uint32
// bufptr : BYTE** optional, out -> Pointer<Uint8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function NetWkstaGetInfo(
  servername: PWideChar;   // LPWSTR optional
  level: DWORD;   // DWORD
  bufptr: Pointer   // BYTE** optional, out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetWkstaGetInfo';

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

foreign import stdcall safe "NetWkstaGetInfo"
  c_NetWkstaGetInfo :: CWString -> Word32 -> Ptr Word8 -> IO Word32
-- servername : LPWSTR optional -> CWString
-- level : DWORD -> Word32
-- bufptr : BYTE** optional, 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 netwkstagetinfo =
  foreign "NetWkstaGetInfo"
    ((ptr uint16_t) @-> uint32_t @-> (ptr uint8_t) @-> returning uint32_t)
(* servername : LPWSTR optional -> (ptr uint16_t) *)
(* level : DWORD -> uint32_t *)
(* bufptr : BYTE** optional, 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 ("NetWkstaGetInfo" net-wksta-get-info :convention :stdcall) :uint32
  (servername (:string :encoding :utf-16le))   ; LPWSTR optional
  (level :uint32)   ; DWORD
  (bufptr :pointer))   ; BYTE** optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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