GetAutoRotationState

// USER32.dll
#include <windows.h>

BOOL GetAutoRotationState(
    AR_STATE* pState
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function GetAutoRotationState(
    <Out> ByRef pState As Integer   ' AR_STATE* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' pState : AR_STATE* out
Declare PtrSafe Function GetAutoRotationState Lib "user32" ( _
    ByRef pState 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

GetAutoRotationState = ctypes.windll.user32.GetAutoRotationState
GetAutoRotationState.restype = wintypes.BOOL
GetAutoRotationState.argtypes = [
    ctypes.c_void_p,  # pState : AR_STATE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetAutoRotationState = Fiddle::Function.new(
  lib['GetAutoRotationState'],
  [
    Fiddle::TYPE_VOIDP,  # pState : AR_STATE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetAutoRotationState(
        pState: *mut i32  // AR_STATE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll")]
public static extern bool GetAutoRotationState(out int pState);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetAutoRotationState' -Namespace Win32 -PassThru
# $api::GetAutoRotationState(pState)

#uselib "USER32.dll"
#func global GetAutoRotationState "GetAutoRotationState" sptr
; GetAutoRotationState varptr(pState)   ; 戻り値は stat
; pState : AR_STATE* 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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetAutoRotationState = user32.NewProc("GetAutoRotationState")
)

// pState (AR_STATE* out)
r1, _, err := procGetAutoRotationState.Call(
	uintptr(pState),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetAutoRotationState(
  pState: Pointer   // AR_STATE* out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetAutoRotationState';

result := DllCall("USER32\GetAutoRotationState"
    , "Ptr", pState   ; AR_STATE* out
    , "Int")   ; return: BOOL

●GetAutoRotationState(pState) = DLL("USER32.dll", "bool GetAutoRotationState(void*)")
# 呼び出し: GetAutoRotationState(pState)
# pState : AR_STATE* 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 "user32" fn GetAutoRotationState(
    pState: [*c]i32 // AR_STATE* out
) callconv(std.os.windows.WINAPI) i32;

proc GetAutoRotationState(
    pState: ptr int32  # AR_STATE* out
): int32 {.importc: "GetAutoRotationState", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int GetAutoRotationState(
    int* pState   // AR_STATE* out
);

ccall((:GetAutoRotationState, "USER32.dll"), stdcall, Int32,
      (Ptr{Int32},),
      pState)
# pState : AR_STATE* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetAutoRotationState(
    int32_t* pState);
]]
local user32 = ffi.load("user32")
-- user32.GetAutoRotationState(pState)
-- pState : AR_STATE* 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('USER32.dll');
const GetAutoRotationState = lib.func('__stdcall', 'GetAutoRotationState', 'int32_t', ['int32_t *']);
// GetAutoRotationState(pState)
// pState : AR_STATE* out -> 'int32_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("USER32.dll", {
  GetAutoRotationState: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.GetAutoRotationState(pState)
// pState : AR_STATE* 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
int32_t GetAutoRotationState(
    int32_t* pState);
C, "USER32.dll");
// $ffi->GetAutoRotationState(pState);
// pState : AR_STATE* 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 User32 extends StdCallLibrary {
    User32 INSTANCE = Native.load("user32", User32.class);
    boolean GetAutoRotationState(
        IntByReference pState   // AR_STATE* out
    );
}

@[Link("user32")]
lib LibUSER32
  fun GetAutoRotationState = GetAutoRotationState(
    pState : Int32*   # AR_STATE* out
  ) : Int32
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 GetAutoRotationStateNative = Int32 Function(Pointer<Int32>);
typedef GetAutoRotationStateDart = int Function(Pointer<Int32>);
final GetAutoRotationState = DynamicLibrary.open('USER32.dll')
    .lookupFunction<GetAutoRotationStateNative, GetAutoRotationStateDart>('GetAutoRotationState');
// pState : AR_STATE* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetAutoRotationState(
  pState: Pointer   // AR_STATE* out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetAutoRotationState';

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

foreign import stdcall safe "GetAutoRotationState"
  c_GetAutoRotationState :: Ptr Int32 -> IO CInt
-- pState : AR_STATE* out -> Ptr Int32
-- 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 getautorotationstate =
  foreign "GetAutoRotationState"
    ((ptr int32_t) @-> returning int32_t)
(* pState : AR_STATE* out -> (ptr int32_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 user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)

(cffi:defcfun ("GetAutoRotationState" get-auto-rotation-state :convention :stdcall) :int32
  (p-state :pointer))   ; AR_STATE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetAutoRotationState = Win32::API::More->new('USER32',
    'BOOL GetAutoRotationState(LPVOID pState)');
# my $ret = $GetAutoRotationState->Call($pState);
# pState : AR_STATE* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。