GetActiveProcessorGroupCount

// KERNEL32.dll
#include <windows.h>

WORD GetActiveProcessorGroupCount(void);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function GetActiveProcessorGroupCount() As UShort
End Function

Declare PtrSafe Function GetActiveProcessorGroupCount Lib "kernel32" () As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetActiveProcessorGroupCount = ctypes.windll.kernel32.GetActiveProcessorGroupCount
GetActiveProcessorGroupCount.restype = ctypes.c_ushort
GetActiveProcessorGroupCount.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetActiveProcessorGroupCount = Fiddle::Function.new(
  lib['GetActiveProcessorGroupCount'],
  [],
  -Fiddle::TYPE_SHORT)

#[link(name = "kernel32")]
extern "system" {
    fn GetActiveProcessorGroupCount() -> u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern ushort GetActiveProcessorGroupCount();
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetActiveProcessorGroupCount' -Namespace Win32 -PassThru
# $api::GetActiveProcessorGroupCount()

#uselib "KERNEL32.dll"
#func global GetActiveProcessorGroupCount "GetActiveProcessorGroupCount"
; GetActiveProcessorGroupCount   ; 戻り値は stat
; ※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 "KERNEL32.dll"
#cfunc global GetActiveProcessorGroupCount "GetActiveProcessorGroupCount"
; res = GetActiveProcessorGroupCount()

; WORD GetActiveProcessorGroupCount()
#uselib "KERNEL32.dll"
#cfunc global GetActiveProcessorGroupCount "GetActiveProcessorGroupCount"
; res = GetActiveProcessorGroupCount()

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetActiveProcessorGroupCount = kernel32.NewProc("GetActiveProcessorGroupCount")
)

r1, _, err := procGetActiveProcessorGroupCount.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WORD

function GetActiveProcessorGroupCount: Word; stdcall;
  external 'KERNEL32.dll' name 'GetActiveProcessorGroupCount';

result := DllCall("KERNEL32\GetActiveProcessorGroupCount", "UShort")

●GetActiveProcessorGroupCount() = DLL("KERNEL32.dll", "int GetActiveProcessorGroupCount()")
# 呼び出し: GetActiveProcessorGroupCount()
# 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 "kernel32" fn GetActiveProcessorGroupCount() callconv(std.os.windows.WINAPI) u16;

proc GetActiveProcessorGroupCount(): uint16 {.importc: "GetActiveProcessorGroupCount", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
ushort GetActiveProcessorGroupCount();

ccall((:GetActiveProcessorGroupCount, "KERNEL32.dll"), stdcall, UInt16,
      (),
      )
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint16_t GetActiveProcessorGroupCount(void);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.GetActiveProcessorGroupCount()
-- 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('KERNEL32.dll');
const GetActiveProcessorGroupCount = lib.func('__stdcall', 'GetActiveProcessorGroupCount', 'uint16_t', []);
// GetActiveProcessorGroupCount()
// 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("KERNEL32.dll", {
  GetActiveProcessorGroupCount: { parameters: [], result: "u16" },
});
// lib.symbols.GetActiveProcessorGroupCount()
// 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
uint16_t GetActiveProcessorGroupCount(void);
C, "KERNEL32.dll");
// $ffi->GetActiveProcessorGroupCount();
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    short GetActiveProcessorGroupCount();
}

@[Link("kernel32")]
lib LibKERNEL32
  fun GetActiveProcessorGroupCount = GetActiveProcessorGroupCount() : UInt16
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 GetActiveProcessorGroupCountNative = Uint16 Function();
typedef GetActiveProcessorGroupCountDart = int Function();
final GetActiveProcessorGroupCount = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetActiveProcessorGroupCountNative, GetActiveProcessorGroupCountDart>('GetActiveProcessorGroupCount');
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetActiveProcessorGroupCount: Word; stdcall;
  external 'KERNEL32.dll' name 'GetActiveProcessorGroupCount';

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

foreign import stdcall safe "GetActiveProcessorGroupCount"
  c_GetActiveProcessorGroupCount :: IO Word16
-- 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 getactiveprocessorgroupcount =
  foreign "GetActiveProcessorGroupCount"
    (void @-> returning uint16_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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("GetActiveProcessorGroupCount" get-active-processor-group-count :convention :stdcall) :uint16)
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetActiveProcessorGroupCount = Win32::API::More->new('KERNEL32',
    'WORD GetActiveProcessorGroupCount()');
# my $ret = $GetActiveProcessorGroupCount->Call();
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。