DevicePowerEnumDevices

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

BOOLEAN DevicePowerEnumDevices(
    DWORD QueryIndex,
    DWORD QueryInterpretationFlags,
    DWORD QueryFlags,
    BYTE* pReturnBuffer,   // optional
    DWORD* pBufferSize
);

<DllImport("POWRPROF.dll", ExactSpelling:=True)>
Public Shared Function DevicePowerEnumDevices(
    QueryIndex As UInteger,   ' DWORD
    QueryInterpretationFlags As UInteger,   ' DWORD
    QueryFlags As UInteger,   ' DWORD
    pReturnBuffer As IntPtr,   ' BYTE* optional, out
    ByRef pBufferSize As UInteger   ' DWORD* in/out
) As <MarshalAs(UnmanagedType.U1)> Boolean
End Function

' QueryIndex : DWORD
' QueryInterpretationFlags : DWORD
' QueryFlags : DWORD
' pReturnBuffer : BYTE* optional, out
' pBufferSize : DWORD* in/out
Declare PtrSafe Function DevicePowerEnumDevices Lib "powrprof" ( _
    ByVal QueryIndex As Long, _
    ByVal QueryInterpretationFlags As Long, _
    ByVal QueryFlags As Long, _
    ByVal pReturnBuffer As LongPtr, _
    ByRef pBufferSize As Long) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DevicePowerEnumDevices = ctypes.windll.powrprof.DevicePowerEnumDevices
DevicePowerEnumDevices.restype = wintypes.BOOLEAN
DevicePowerEnumDevices.argtypes = [
    wintypes.DWORD,  # QueryIndex : DWORD
    wintypes.DWORD,  # QueryInterpretationFlags : DWORD
    wintypes.DWORD,  # QueryFlags : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pReturnBuffer : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('POWRPROF.dll')
DevicePowerEnumDevices = Fiddle::Function.new(
  lib['DevicePowerEnumDevices'],
  [
    -Fiddle::TYPE_INT,  # QueryIndex : DWORD
    -Fiddle::TYPE_INT,  # QueryInterpretationFlags : DWORD
    -Fiddle::TYPE_INT,  # QueryFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pReturnBuffer : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pBufferSize : DWORD* in/out
  ],
  Fiddle::TYPE_CHAR)

#[link(name = "powrprof")]
extern "system" {
    fn DevicePowerEnumDevices(
        QueryIndex: u32,  // DWORD
        QueryInterpretationFlags: u32,  // DWORD
        QueryFlags: u32,  // DWORD
        pReturnBuffer: *mut u8,  // BYTE* optional, out
        pBufferSize: *mut u32  // DWORD* in/out
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.U1)]
[DllImport("POWRPROF.dll")]
public static extern bool DevicePowerEnumDevices(uint QueryIndex, uint QueryInterpretationFlags, uint QueryFlags, IntPtr pReturnBuffer, ref uint pBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'POWRPROF_DevicePowerEnumDevices' -Namespace Win32 -PassThru
# $api::DevicePowerEnumDevices(QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize)

#uselib "POWRPROF.dll"
#func global DevicePowerEnumDevices "DevicePowerEnumDevices" sptr, sptr, sptr, sptr, sptr
; DevicePowerEnumDevices QueryIndex, QueryInterpretationFlags, QueryFlags, varptr(pReturnBuffer), varptr(pBufferSize)   ; 戻り値は stat
; QueryIndex : DWORD -> "sptr"
; QueryInterpretationFlags : DWORD -> "sptr"
; QueryFlags : DWORD -> "sptr"
; pReturnBuffer : BYTE* optional, out -> "sptr"
; pBufferSize : DWORD* in/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 (
	powrprof = windows.NewLazySystemDLL("POWRPROF.dll")
	procDevicePowerEnumDevices = powrprof.NewProc("DevicePowerEnumDevices")
)

// QueryIndex (DWORD), QueryInterpretationFlags (DWORD), QueryFlags (DWORD), pReturnBuffer (BYTE* optional, out), pBufferSize (DWORD* in/out)
r1, _, err := procDevicePowerEnumDevices.Call(
	uintptr(QueryIndex),
	uintptr(QueryInterpretationFlags),
	uintptr(QueryFlags),
	uintptr(pReturnBuffer),
	uintptr(pBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function DevicePowerEnumDevices(
  QueryIndex: DWORD;   // DWORD
  QueryInterpretationFlags: DWORD;   // DWORD
  QueryFlags: DWORD;   // DWORD
  pReturnBuffer: Pointer;   // BYTE* optional, out
  pBufferSize: Pointer   // DWORD* in/out
): ByteBool; stdcall;
  external 'POWRPROF.dll' name 'DevicePowerEnumDevices';

result := DllCall("POWRPROF\DevicePowerEnumDevices"
    , "UInt", QueryIndex   ; DWORD
    , "UInt", QueryInterpretationFlags   ; DWORD
    , "UInt", QueryFlags   ; DWORD
    , "Ptr", pReturnBuffer   ; BYTE* optional, out
    , "Ptr", pBufferSize   ; DWORD* in/out
    , "Char")   ; return: BOOLEAN

●DevicePowerEnumDevices(QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize) = DLL("POWRPROF.dll", "byte DevicePowerEnumDevices(dword, dword, dword, void*, void*)")
# 呼び出し: DevicePowerEnumDevices(QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize)
# QueryIndex : DWORD -> "dword"
# QueryInterpretationFlags : DWORD -> "dword"
# QueryFlags : DWORD -> "dword"
# pReturnBuffer : BYTE* optional, out -> "void*"
# pBufferSize : DWORD* in/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 "powrprof" fn DevicePowerEnumDevices(
    QueryIndex: u32, // DWORD
    QueryInterpretationFlags: u32, // DWORD
    QueryFlags: u32, // DWORD
    pReturnBuffer: [*c]u8, // BYTE* optional, out
    pBufferSize: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) u8;

proc DevicePowerEnumDevices(
    QueryIndex: uint32,  # DWORD
    QueryInterpretationFlags: uint32,  # DWORD
    QueryFlags: uint32,  # DWORD
    pReturnBuffer: ptr uint8,  # BYTE* optional, out
    pBufferSize: ptr uint32  # DWORD* in/out
): uint8 {.importc: "DevicePowerEnumDevices", stdcall, dynlib: "POWRPROF.dll".}

pragma(lib, "powrprof");
extern(Windows)
ubyte DevicePowerEnumDevices(
    uint QueryIndex,   // DWORD
    uint QueryInterpretationFlags,   // DWORD
    uint QueryFlags,   // DWORD
    ubyte* pReturnBuffer,   // BYTE* optional, out
    uint* pBufferSize   // DWORD* in/out
);

ccall((:DevicePowerEnumDevices, "POWRPROF.dll"), stdcall, UInt8,
      (UInt32, UInt32, UInt32, Ptr{UInt8}, Ptr{UInt32}),
      QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize)
# QueryIndex : DWORD -> UInt32
# QueryInterpretationFlags : DWORD -> UInt32
# QueryFlags : DWORD -> UInt32
# pReturnBuffer : BYTE* optional, out -> Ptr{UInt8}
# pBufferSize : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint8_t DevicePowerEnumDevices(
    uint32_t QueryIndex,
    uint32_t QueryInterpretationFlags,
    uint32_t QueryFlags,
    uint8_t* pReturnBuffer,
    uint32_t* pBufferSize);
]]
local powrprof = ffi.load("powrprof")
-- powrprof.DevicePowerEnumDevices(QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize)
-- QueryIndex : DWORD
-- QueryInterpretationFlags : DWORD
-- QueryFlags : DWORD
-- pReturnBuffer : BYTE* optional, out
-- pBufferSize : DWORD* in/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('POWRPROF.dll');
const DevicePowerEnumDevices = lib.func('__stdcall', 'DevicePowerEnumDevices', 'uint8_t', ['uint32_t', 'uint32_t', 'uint32_t', 'uint8_t *', 'uint32_t *']);
// DevicePowerEnumDevices(QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize)
// QueryIndex : DWORD -> 'uint32_t'
// QueryInterpretationFlags : DWORD -> 'uint32_t'
// QueryFlags : DWORD -> 'uint32_t'
// pReturnBuffer : BYTE* optional, out -> 'uint8_t *'
// pBufferSize : DWORD* in/out -> 'uint32_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("POWRPROF.dll", {
  DevicePowerEnumDevices: { parameters: ["u32", "u32", "u32", "pointer", "pointer"], result: "u8" },
});
// lib.symbols.DevicePowerEnumDevices(QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize)
// QueryIndex : DWORD -> "u32"
// QueryInterpretationFlags : DWORD -> "u32"
// QueryFlags : DWORD -> "u32"
// pReturnBuffer : BYTE* optional, out -> "pointer"
// pBufferSize : DWORD* in/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
uint8_t DevicePowerEnumDevices(
    uint32_t QueryIndex,
    uint32_t QueryInterpretationFlags,
    uint32_t QueryFlags,
    uint8_t* pReturnBuffer,
    uint32_t* pBufferSize);
C, "POWRPROF.dll");
// $ffi->DevicePowerEnumDevices(QueryIndex, QueryInterpretationFlags, QueryFlags, pReturnBuffer, pBufferSize);
// QueryIndex : DWORD
// QueryInterpretationFlags : DWORD
// QueryFlags : DWORD
// pReturnBuffer : BYTE* optional, out
// pBufferSize : DWORD* in/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 Powrprof extends StdCallLibrary {
    Powrprof INSTANCE = Native.load("powrprof", Powrprof.class);
    byte DevicePowerEnumDevices(
        int QueryIndex,   // DWORD
        int QueryInterpretationFlags,   // DWORD
        int QueryFlags,   // DWORD
        byte[] pReturnBuffer,   // BYTE* optional, out
        IntByReference pBufferSize   // DWORD* in/out
    );
}

@[Link("powrprof")]
lib LibPOWRPROF
  fun DevicePowerEnumDevices = DevicePowerEnumDevices(
    QueryIndex : UInt32,   # DWORD
    QueryInterpretationFlags : UInt32,   # DWORD
    QueryFlags : UInt32,   # DWORD
    pReturnBuffer : UInt8*,   # BYTE* optional, out
    pBufferSize : UInt32*   # DWORD* in/out
  ) : UInt8
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 DevicePowerEnumDevicesNative = Uint8 Function(Uint32, Uint32, Uint32, Pointer<Uint8>, Pointer<Uint32>);
typedef DevicePowerEnumDevicesDart = int Function(int, int, int, Pointer<Uint8>, Pointer<Uint32>);
final DevicePowerEnumDevices = DynamicLibrary.open('POWRPROF.dll')
    .lookupFunction<DevicePowerEnumDevicesNative, DevicePowerEnumDevicesDart>('DevicePowerEnumDevices');
// QueryIndex : DWORD -> Uint32
// QueryInterpretationFlags : DWORD -> Uint32
// QueryFlags : DWORD -> Uint32
// pReturnBuffer : BYTE* optional, out -> Pointer<Uint8>
// pBufferSize : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DevicePowerEnumDevices(
  QueryIndex: DWORD;   // DWORD
  QueryInterpretationFlags: DWORD;   // DWORD
  QueryFlags: DWORD;   // DWORD
  pReturnBuffer: Pointer;   // BYTE* optional, out
  pBufferSize: Pointer   // DWORD* in/out
): ByteBool; stdcall;
  external 'POWRPROF.dll' name 'DevicePowerEnumDevices';

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

foreign import stdcall safe "DevicePowerEnumDevices"
  c_DevicePowerEnumDevices :: Word32 -> Word32 -> Word32 -> Ptr Word8 -> Ptr Word32 -> IO Word8
-- QueryIndex : DWORD -> Word32
-- QueryInterpretationFlags : DWORD -> Word32
-- QueryFlags : DWORD -> Word32
-- pReturnBuffer : BYTE* optional, out -> Ptr Word8
-- pBufferSize : DWORD* in/out -> Ptr Word32
-- 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 devicepowerenumdevices =
  foreign "DevicePowerEnumDevices"
    (uint32_t @-> uint32_t @-> uint32_t @-> (ptr uint8_t) @-> (ptr uint32_t) @-> returning uint8_t)
(* QueryIndex : DWORD -> uint32_t *)
(* QueryInterpretationFlags : DWORD -> uint32_t *)
(* QueryFlags : DWORD -> uint32_t *)
(* pReturnBuffer : BYTE* optional, out -> (ptr uint8_t) *)
(* pBufferSize : DWORD* in/out -> (ptr uint32_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 powrprof (t "POWRPROF.dll"))
(cffi:use-foreign-library powrprof)

(cffi:defcfun ("DevicePowerEnumDevices" device-power-enum-devices :convention :stdcall) :uint8
  (query-index :uint32)   ; DWORD
  (query-interpretation-flags :uint32)   ; DWORD
  (query-flags :uint32)   ; DWORD
  (p-return-buffer :pointer)   ; BYTE* optional, out
  (p-buffer-size :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DevicePowerEnumDevices = Win32::API::More->new('POWRPROF',
    'BYTE DevicePowerEnumDevices(DWORD QueryIndex, DWORD QueryInterpretationFlags, DWORD QueryFlags, LPVOID pReturnBuffer, LPVOID pBufferSize)');
# my $ret = $DevicePowerEnumDevices->Call($QueryIndex, $QueryInterpretationFlags, $QueryFlags, $pReturnBuffer, $pBufferSize);
# QueryIndex : DWORD -> DWORD
# QueryInterpretationFlags : DWORD -> DWORD
# QueryFlags : DWORD -> DWORD
# pReturnBuffer : BYTE* optional, out -> LPVOID
# pBufferSize : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。