XInputGetKeystroke

// xinput1_4.dll
#include <windows.h>

DWORD XInputGetKeystroke(
    DWORD dwUserIndex,
    DWORD dwReserved,   // optional
    XINPUT_KEYSTROKE* pKeystroke
);

<DllImport("xinput1_4.dll", ExactSpelling:=True)>
Public Shared Function XInputGetKeystroke(
    dwUserIndex As UInteger,   ' DWORD
    dwReserved As UInteger,   ' DWORD optional
    pKeystroke As IntPtr   ' XINPUT_KEYSTROKE* out
) As UInteger
End Function

' dwUserIndex : DWORD
' dwReserved : DWORD optional
' pKeystroke : XINPUT_KEYSTROKE* out
Declare PtrSafe Function XInputGetKeystroke Lib "xinput1_4" ( _
    ByVal dwUserIndex As Long, _
    ByVal dwReserved As Long, _
    ByVal pKeystroke 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

XInputGetKeystroke = ctypes.windll.xinput1_4.XInputGetKeystroke
XInputGetKeystroke.restype = wintypes.DWORD
XInputGetKeystroke.argtypes = [
    wintypes.DWORD,  # dwUserIndex : DWORD
    wintypes.DWORD,  # dwReserved : DWORD optional
    ctypes.c_void_p,  # pKeystroke : XINPUT_KEYSTROKE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('xinput1_4.dll')
XInputGetKeystroke = Fiddle::Function.new(
  lib['XInputGetKeystroke'],
  [
    -Fiddle::TYPE_INT,  # dwUserIndex : DWORD
    -Fiddle::TYPE_INT,  # dwReserved : DWORD optional
    Fiddle::TYPE_VOIDP,  # pKeystroke : XINPUT_KEYSTROKE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "xinput1_4")]
extern "system" {
    fn XInputGetKeystroke(
        dwUserIndex: u32,  // DWORD
        dwReserved: u32,  // DWORD optional
        pKeystroke: *mut XINPUT_KEYSTROKE  // XINPUT_KEYSTROKE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("xinput1_4.dll")]
public static extern uint XInputGetKeystroke(uint dwUserIndex, uint dwReserved, IntPtr pKeystroke);
"@
$api = Add-Type -MemberDefinition $sig -Name 'xinput1_4_XInputGetKeystroke' -Namespace Win32 -PassThru
# $api::XInputGetKeystroke(dwUserIndex, dwReserved, pKeystroke)

#uselib "xinput1_4.dll"
#func global XInputGetKeystroke "XInputGetKeystroke" sptr, sptr, sptr
; XInputGetKeystroke dwUserIndex, dwReserved, varptr(pKeystroke)   ; 戻り値は stat
; dwUserIndex : DWORD -> "sptr"
; dwReserved : DWORD optional -> "sptr"
; pKeystroke : XINPUT_KEYSTROKE* 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 (
	xinput1_4 = windows.NewLazySystemDLL("xinput1_4.dll")
	procXInputGetKeystroke = xinput1_4.NewProc("XInputGetKeystroke")
)

// dwUserIndex (DWORD), dwReserved (DWORD optional), pKeystroke (XINPUT_KEYSTROKE* out)
r1, _, err := procXInputGetKeystroke.Call(
	uintptr(dwUserIndex),
	uintptr(dwReserved),
	uintptr(pKeystroke),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function XInputGetKeystroke(
  dwUserIndex: DWORD;   // DWORD
  dwReserved: DWORD;   // DWORD optional
  pKeystroke: Pointer   // XINPUT_KEYSTROKE* out
): DWORD; stdcall;
  external 'xinput1_4.dll' name 'XInputGetKeystroke';

result := DllCall("xinput1_4\XInputGetKeystroke"
    , "UInt", dwUserIndex   ; DWORD
    , "UInt", dwReserved   ; DWORD optional
    , "Ptr", pKeystroke   ; XINPUT_KEYSTROKE* out
    , "UInt")   ; return: DWORD

●XInputGetKeystroke(dwUserIndex, dwReserved, pKeystroke) = DLL("xinput1_4.dll", "dword XInputGetKeystroke(dword, dword, void*)")
# 呼び出し: XInputGetKeystroke(dwUserIndex, dwReserved, pKeystroke)
# dwUserIndex : DWORD -> "dword"
# dwReserved : DWORD optional -> "dword"
# pKeystroke : XINPUT_KEYSTROKE* 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 "xinput1_4" fn XInputGetKeystroke(
    dwUserIndex: u32, // DWORD
    dwReserved: u32, // DWORD optional
    pKeystroke: [*c]XINPUT_KEYSTROKE // XINPUT_KEYSTROKE* out
) callconv(std.os.windows.WINAPI) u32;

proc XInputGetKeystroke(
    dwUserIndex: uint32,  # DWORD
    dwReserved: uint32,  # DWORD optional
    pKeystroke: ptr XINPUT_KEYSTROKE  # XINPUT_KEYSTROKE* out
): uint32 {.importc: "XInputGetKeystroke", stdcall, dynlib: "xinput1_4.dll".}

pragma(lib, "xinput1_4");
extern(Windows)
uint XInputGetKeystroke(
    uint dwUserIndex,   // DWORD
    uint dwReserved,   // DWORD optional
    XINPUT_KEYSTROKE* pKeystroke   // XINPUT_KEYSTROKE* out
);

ccall((:XInputGetKeystroke, "xinput1_4.dll"), stdcall, UInt32,
      (UInt32, UInt32, Ptr{XINPUT_KEYSTROKE}),
      dwUserIndex, dwReserved, pKeystroke)
# dwUserIndex : DWORD -> UInt32
# dwReserved : DWORD optional -> UInt32
# pKeystroke : XINPUT_KEYSTROKE* out -> Ptr{XINPUT_KEYSTROKE}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t XInputGetKeystroke(
    uint32_t dwUserIndex,
    uint32_t dwReserved,
    void* pKeystroke);
]]
local xinput1_4 = ffi.load("xinput1_4")
-- xinput1_4.XInputGetKeystroke(dwUserIndex, dwReserved, pKeystroke)
-- dwUserIndex : DWORD
-- dwReserved : DWORD optional
-- pKeystroke : XINPUT_KEYSTROKE* 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('xinput1_4.dll');
const XInputGetKeystroke = lib.func('__stdcall', 'XInputGetKeystroke', 'uint32_t', ['uint32_t', 'uint32_t', 'void *']);
// XInputGetKeystroke(dwUserIndex, dwReserved, pKeystroke)
// dwUserIndex : DWORD -> 'uint32_t'
// dwReserved : DWORD optional -> 'uint32_t'
// pKeystroke : XINPUT_KEYSTROKE* 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("xinput1_4.dll", {
  XInputGetKeystroke: { parameters: ["u32", "u32", "pointer"], result: "u32" },
});
// lib.symbols.XInputGetKeystroke(dwUserIndex, dwReserved, pKeystroke)
// dwUserIndex : DWORD -> "u32"
// dwReserved : DWORD optional -> "u32"
// pKeystroke : XINPUT_KEYSTROKE* 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 XInputGetKeystroke(
    uint32_t dwUserIndex,
    uint32_t dwReserved,
    void* pKeystroke);
C, "xinput1_4.dll");
// $ffi->XInputGetKeystroke(dwUserIndex, dwReserved, pKeystroke);
// dwUserIndex : DWORD
// dwReserved : DWORD optional
// pKeystroke : XINPUT_KEYSTROKE* 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 Xinput1_4 extends StdCallLibrary {
    Xinput1_4 INSTANCE = Native.load("xinput1_4", Xinput1_4.class);
    int XInputGetKeystroke(
        int dwUserIndex,   // DWORD
        int dwReserved,   // DWORD optional
        Pointer pKeystroke   // XINPUT_KEYSTROKE* out
    );
}

@[Link("xinput1_4")]
lib Libxinput1_4
  fun XInputGetKeystroke = XInputGetKeystroke(
    dwUserIndex : UInt32,   # DWORD
    dwReserved : UInt32,   # DWORD optional
    pKeystroke : XINPUT_KEYSTROKE*   # XINPUT_KEYSTROKE* 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 XInputGetKeystrokeNative = Uint32 Function(Uint32, Uint32, Pointer<Void>);
typedef XInputGetKeystrokeDart = int Function(int, int, Pointer<Void>);
final XInputGetKeystroke = DynamicLibrary.open('xinput1_4.dll')
    .lookupFunction<XInputGetKeystrokeNative, XInputGetKeystrokeDart>('XInputGetKeystroke');
// dwUserIndex : DWORD -> Uint32
// dwReserved : DWORD optional -> Uint32
// pKeystroke : XINPUT_KEYSTROKE* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function XInputGetKeystroke(
  dwUserIndex: DWORD;   // DWORD
  dwReserved: DWORD;   // DWORD optional
  pKeystroke: Pointer   // XINPUT_KEYSTROKE* out
): DWORD; stdcall;
  external 'xinput1_4.dll' name 'XInputGetKeystroke';

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

foreign import stdcall safe "XInputGetKeystroke"
  c_XInputGetKeystroke :: Word32 -> Word32 -> Ptr () -> IO Word32
-- dwUserIndex : DWORD -> Word32
-- dwReserved : DWORD optional -> Word32
-- pKeystroke : XINPUT_KEYSTROKE* out -> 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 xinputgetkeystroke =
  foreign "XInputGetKeystroke"
    (uint32_t @-> uint32_t @-> (ptr void) @-> returning uint32_t)
(* dwUserIndex : DWORD -> uint32_t *)
(* dwReserved : DWORD optional -> uint32_t *)
(* pKeystroke : XINPUT_KEYSTROKE* out -> (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 xinput1_4 (t "xinput1_4.dll"))
(cffi:use-foreign-library xinput1_4)

(cffi:defcfun ("XInputGetKeystroke" xinput-get-keystroke :convention :stdcall) :uint32
  (dw-user-index :uint32)   ; DWORD
  (dw-reserved :uint32)   ; DWORD optional
  (p-keystroke :pointer))   ; XINPUT_KEYSTROKE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $XInputGetKeystroke = Win32::API::More->new('xinput1_4',
    'DWORD XInputGetKeystroke(DWORD dwUserIndex, DWORD dwReserved, LPVOID pKeystroke)');
# my $ret = $XInputGetKeystroke->Call($dwUserIndex, $dwReserved, $pKeystroke);
# dwUserIndex : DWORD -> DWORD
# dwReserved : DWORD optional -> DWORD
# pKeystroke : XINPUT_KEYSTROKE* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。