WlanReasonCodeToString

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

DWORD WlanReasonCodeToString(
    DWORD dwReasonCode,
    DWORD dwBufferSize,
    LPWSTR pStringBuffer,
    void* pReserved   // optional
);

<DllImport("wlanapi.dll", ExactSpelling:=True)>
Public Shared Function WlanReasonCodeToString(
    dwReasonCode As UInteger,   ' DWORD
    dwBufferSize As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pStringBuffer As String,   ' LPWSTR
    pReserved As IntPtr   ' void* optional
) As UInteger
End Function

' dwReasonCode : DWORD
' dwBufferSize : DWORD
' pStringBuffer : LPWSTR
' pReserved : void* optional
Declare PtrSafe Function WlanReasonCodeToString Lib "wlanapi" ( _
    ByVal dwReasonCode As Long, _
    ByVal dwBufferSize As Long, _
    ByVal pStringBuffer As LongPtr, _
    ByVal pReserved 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

WlanReasonCodeToString = ctypes.windll.wlanapi.WlanReasonCodeToString
WlanReasonCodeToString.restype = wintypes.DWORD
WlanReasonCodeToString.argtypes = [
    wintypes.DWORD,  # dwReasonCode : DWORD
    wintypes.DWORD,  # dwBufferSize : DWORD
    wintypes.LPCWSTR,  # pStringBuffer : LPWSTR
    ctypes.POINTER(None),  # pReserved : void* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wlanapi.dll')
WlanReasonCodeToString = Fiddle::Function.new(
  lib['WlanReasonCodeToString'],
  [
    -Fiddle::TYPE_INT,  # dwReasonCode : DWORD
    -Fiddle::TYPE_INT,  # dwBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # pStringBuffer : LPWSTR
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wlanapi")]
extern "system" {
    fn WlanReasonCodeToString(
        dwReasonCode: u32,  // DWORD
        dwBufferSize: u32,  // DWORD
        pStringBuffer: *mut u16,  // LPWSTR
        pReserved: *mut ()  // void* optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wlanapi.dll")]
public static extern uint WlanReasonCodeToString(uint dwReasonCode, uint dwBufferSize, [MarshalAs(UnmanagedType.LPWStr)] string pStringBuffer, IntPtr pReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wlanapi_WlanReasonCodeToString' -Namespace Win32 -PassThru
# $api::WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved)

#uselib "wlanapi.dll"
#func global WlanReasonCodeToString "WlanReasonCodeToString" sptr, sptr, sptr, sptr
; WlanReasonCodeToString dwReasonCode, dwBufferSize, pStringBuffer, pReserved   ; 戻り値は stat
; dwReasonCode : DWORD -> "sptr"
; dwBufferSize : DWORD -> "sptr"
; pStringBuffer : LPWSTR -> "sptr"
; pReserved : void* optional -> "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 "wlanapi.dll"
#cfunc global WlanReasonCodeToString "WlanReasonCodeToString" int, int, wstr, sptr
; res = WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved)
; dwReasonCode : DWORD -> "int"
; dwBufferSize : DWORD -> "int"
; pStringBuffer : LPWSTR -> "wstr"
; pReserved : void* optional -> "sptr"

; DWORD WlanReasonCodeToString(DWORD dwReasonCode, DWORD dwBufferSize, LPWSTR pStringBuffer, void* pReserved)
#uselib "wlanapi.dll"
#cfunc global WlanReasonCodeToString "WlanReasonCodeToString" int, int, wstr, intptr
; res = WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved)
; dwReasonCode : DWORD -> "int"
; dwBufferSize : DWORD -> "int"
; pStringBuffer : LPWSTR -> "wstr"
; pReserved : void* optional -> "intptr"

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

var (
	wlanapi = windows.NewLazySystemDLL("wlanapi.dll")
	procWlanReasonCodeToString = wlanapi.NewProc("WlanReasonCodeToString")
)

// dwReasonCode (DWORD), dwBufferSize (DWORD), pStringBuffer (LPWSTR), pReserved (void* optional)
r1, _, err := procWlanReasonCodeToString.Call(
	uintptr(dwReasonCode),
	uintptr(dwBufferSize),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pStringBuffer))),
	uintptr(pReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WlanReasonCodeToString(
  dwReasonCode: DWORD;   // DWORD
  dwBufferSize: DWORD;   // DWORD
  pStringBuffer: PWideChar;   // LPWSTR
  pReserved: Pointer   // void* optional
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanReasonCodeToString';

result := DllCall("wlanapi\WlanReasonCodeToString"
    , "UInt", dwReasonCode   ; DWORD
    , "UInt", dwBufferSize   ; DWORD
    , "WStr", pStringBuffer   ; LPWSTR
    , "Ptr", pReserved   ; void* optional
    , "UInt")   ; return: DWORD

●WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved) = DLL("wlanapi.dll", "dword WlanReasonCodeToString(dword, dword, char*, void*)")
# 呼び出し: WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved)
# dwReasonCode : DWORD -> "dword"
# dwBufferSize : DWORD -> "dword"
# pStringBuffer : LPWSTR -> "char*"
# pReserved : void* optional -> "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 "wlanapi" fn WlanReasonCodeToString(
    dwReasonCode: u32, // DWORD
    dwBufferSize: u32, // DWORD
    pStringBuffer: [*c]const u16, // LPWSTR
    pReserved: ?*anyopaque // void* optional
) callconv(std.os.windows.WINAPI) u32;

proc WlanReasonCodeToString(
    dwReasonCode: uint32,  # DWORD
    dwBufferSize: uint32,  # DWORD
    pStringBuffer: WideCString,  # LPWSTR
    pReserved: pointer  # void* optional
): uint32 {.importc: "WlanReasonCodeToString", stdcall, dynlib: "wlanapi.dll".}

pragma(lib, "wlanapi");
extern(Windows)
uint WlanReasonCodeToString(
    uint dwReasonCode,   // DWORD
    uint dwBufferSize,   // DWORD
    const(wchar)* pStringBuffer,   // LPWSTR
    void* pReserved   // void* optional
);

ccall((:WlanReasonCodeToString, "wlanapi.dll"), stdcall, UInt32,
      (UInt32, UInt32, Cwstring, Ptr{Cvoid}),
      dwReasonCode, dwBufferSize, pStringBuffer, pReserved)
# dwReasonCode : DWORD -> UInt32
# dwBufferSize : DWORD -> UInt32
# pStringBuffer : LPWSTR -> Cwstring
# pReserved : void* optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t WlanReasonCodeToString(
    uint32_t dwReasonCode,
    uint32_t dwBufferSize,
    const uint16_t* pStringBuffer,
    void* pReserved);
]]
local wlanapi = ffi.load("wlanapi")
-- wlanapi.WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved)
-- dwReasonCode : DWORD
-- dwBufferSize : DWORD
-- pStringBuffer : LPWSTR
-- pReserved : void* optional
-- 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('wlanapi.dll');
const WlanReasonCodeToString = lib.func('__stdcall', 'WlanReasonCodeToString', 'uint32_t', ['uint32_t', 'uint32_t', 'str16', 'void *']);
// WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved)
// dwReasonCode : DWORD -> 'uint32_t'
// dwBufferSize : DWORD -> 'uint32_t'
// pStringBuffer : LPWSTR -> 'str16'
// pReserved : void* optional -> '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("wlanapi.dll", {
  WlanReasonCodeToString: { parameters: ["u32", "u32", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved)
// dwReasonCode : DWORD -> "u32"
// dwBufferSize : DWORD -> "u32"
// pStringBuffer : LPWSTR -> "buffer"
// pReserved : void* optional -> "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 WlanReasonCodeToString(
    uint32_t dwReasonCode,
    uint32_t dwBufferSize,
    const uint16_t* pStringBuffer,
    void* pReserved);
C, "wlanapi.dll");
// $ffi->WlanReasonCodeToString(dwReasonCode, dwBufferSize, pStringBuffer, pReserved);
// dwReasonCode : DWORD
// dwBufferSize : DWORD
// pStringBuffer : LPWSTR
// pReserved : void* optional
// 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 Wlanapi extends StdCallLibrary {
    Wlanapi INSTANCE = Native.load("wlanapi", Wlanapi.class);
    int WlanReasonCodeToString(
        int dwReasonCode,   // DWORD
        int dwBufferSize,   // DWORD
        WString pStringBuffer,   // LPWSTR
        Pointer pReserved   // void* optional
    );
}

@[Link("wlanapi")]
lib Libwlanapi
  fun WlanReasonCodeToString = WlanReasonCodeToString(
    dwReasonCode : UInt32,   # DWORD
    dwBufferSize : UInt32,   # DWORD
    pStringBuffer : UInt16*,   # LPWSTR
    pReserved : Void*   # void* optional
  ) : 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 WlanReasonCodeToStringNative = Uint32 Function(Uint32, Uint32, Pointer<Utf16>, Pointer<Void>);
typedef WlanReasonCodeToStringDart = int Function(int, int, Pointer<Utf16>, Pointer<Void>);
final WlanReasonCodeToString = DynamicLibrary.open('wlanapi.dll')
    .lookupFunction<WlanReasonCodeToStringNative, WlanReasonCodeToStringDart>('WlanReasonCodeToString');
// dwReasonCode : DWORD -> Uint32
// dwBufferSize : DWORD -> Uint32
// pStringBuffer : LPWSTR -> Pointer<Utf16>
// pReserved : void* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WlanReasonCodeToString(
  dwReasonCode: DWORD;   // DWORD
  dwBufferSize: DWORD;   // DWORD
  pStringBuffer: PWideChar;   // LPWSTR
  pReserved: Pointer   // void* optional
): DWORD; stdcall;
  external 'wlanapi.dll' name 'WlanReasonCodeToString';

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

foreign import stdcall safe "WlanReasonCodeToString"
  c_WlanReasonCodeToString :: Word32 -> Word32 -> CWString -> Ptr () -> IO Word32
-- dwReasonCode : DWORD -> Word32
-- dwBufferSize : DWORD -> Word32
-- pStringBuffer : LPWSTR -> CWString
-- pReserved : void* optional -> Ptr ()
-- 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 wlanreasoncodetostring =
  foreign "WlanReasonCodeToString"
    (uint32_t @-> uint32_t @-> (ptr uint16_t) @-> (ptr void) @-> returning uint32_t)
(* dwReasonCode : DWORD -> uint32_t *)
(* dwBufferSize : DWORD -> uint32_t *)
(* pStringBuffer : LPWSTR -> (ptr uint16_t) *)
(* pReserved : void* optional -> (ptr void) *)
(* 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 wlanapi (t "wlanapi.dll"))
(cffi:use-foreign-library wlanapi)

(cffi:defcfun ("WlanReasonCodeToString" wlan-reason-code-to-string :convention :stdcall) :uint32
  (dw-reason-code :uint32)   ; DWORD
  (dw-buffer-size :uint32)   ; DWORD
  (p-string-buffer (:string :encoding :utf-16le))   ; LPWSTR
  (p-reserved :pointer))   ; void* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WlanReasonCodeToString = Win32::API::More->new('wlanapi',
    'DWORD WlanReasonCodeToString(DWORD dwReasonCode, DWORD dwBufferSize, LPCWSTR pStringBuffer, LPVOID pReserved)');
# my $ret = $WlanReasonCodeToString->Call($dwReasonCode, $dwBufferSize, $pStringBuffer, $pReserved);
# dwReasonCode : DWORD -> DWORD
# dwBufferSize : DWORD -> DWORD
# pStringBuffer : LPWSTR -> LPCWSTR
# pReserved : void* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。