lineGetQueueInfo

// TAPI32.dll
#include <windows.h>

INT lineGetQueueInfo(
    DWORD hLine,
    DWORD dwQueueID,
    LINEQUEUEINFO* lpLineQueueInfo
);

<DllImport("TAPI32.dll", ExactSpelling:=True)>
Public Shared Function lineGetQueueInfo(
    hLine As UInteger,   ' DWORD
    dwQueueID As UInteger,   ' DWORD
    lpLineQueueInfo As IntPtr   ' LINEQUEUEINFO* in/out
) As Integer
End Function

' hLine : DWORD
' dwQueueID : DWORD
' lpLineQueueInfo : LINEQUEUEINFO* in/out
Declare PtrSafe Function lineGetQueueInfo Lib "tapi32" ( _
    ByVal hLine As Long, _
    ByVal dwQueueID As Long, _
    ByVal lpLineQueueInfo 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

lineGetQueueInfo = ctypes.windll.tapi32.lineGetQueueInfo
lineGetQueueInfo.restype = ctypes.c_int
lineGetQueueInfo.argtypes = [
    wintypes.DWORD,  # hLine : DWORD
    wintypes.DWORD,  # dwQueueID : DWORD
    ctypes.c_void_p,  # lpLineQueueInfo : LINEQUEUEINFO* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineGetQueueInfo = Fiddle::Function.new(
  lib['lineGetQueueInfo'],
  [
    -Fiddle::TYPE_INT,  # hLine : DWORD
    -Fiddle::TYPE_INT,  # dwQueueID : DWORD
    Fiddle::TYPE_VOIDP,  # lpLineQueueInfo : LINEQUEUEINFO* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn lineGetQueueInfo(
        hLine: u32,  // DWORD
        dwQueueID: u32,  // DWORD
        lpLineQueueInfo: *mut LINEQUEUEINFO  // LINEQUEUEINFO* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll")]
public static extern int lineGetQueueInfo(uint hLine, uint dwQueueID, IntPtr lpLineQueueInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineGetQueueInfo' -Namespace Win32 -PassThru
# $api::lineGetQueueInfo(hLine, dwQueueID, lpLineQueueInfo)

#uselib "TAPI32.dll"
#func global lineGetQueueInfo "lineGetQueueInfo" sptr, sptr, sptr
; lineGetQueueInfo hLine, dwQueueID, varptr(lpLineQueueInfo)   ; 戻り値は stat
; hLine : DWORD -> "sptr"
; dwQueueID : DWORD -> "sptr"
; lpLineQueueInfo : LINEQUEUEINFO* 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 (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclineGetQueueInfo = tapi32.NewProc("lineGetQueueInfo")
)

// hLine (DWORD), dwQueueID (DWORD), lpLineQueueInfo (LINEQUEUEINFO* in/out)
r1, _, err := proclineGetQueueInfo.Call(
	uintptr(hLine),
	uintptr(dwQueueID),
	uintptr(lpLineQueueInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function lineGetQueueInfo(
  hLine: DWORD;   // DWORD
  dwQueueID: DWORD;   // DWORD
  lpLineQueueInfo: Pointer   // LINEQUEUEINFO* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineGetQueueInfo';

result := DllCall("TAPI32\lineGetQueueInfo"
    , "UInt", hLine   ; DWORD
    , "UInt", dwQueueID   ; DWORD
    , "Ptr", lpLineQueueInfo   ; LINEQUEUEINFO* in/out
    , "Int")   ; return: INT

●lineGetQueueInfo(hLine, dwQueueID, lpLineQueueInfo) = DLL("TAPI32.dll", "int lineGetQueueInfo(dword, dword, void*)")
# 呼び出し: lineGetQueueInfo(hLine, dwQueueID, lpLineQueueInfo)
# hLine : DWORD -> "dword"
# dwQueueID : DWORD -> "dword"
# lpLineQueueInfo : LINEQUEUEINFO* 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 "tapi32" fn lineGetQueueInfo(
    hLine: u32, // DWORD
    dwQueueID: u32, // DWORD
    lpLineQueueInfo: [*c]LINEQUEUEINFO // LINEQUEUEINFO* in/out
) callconv(std.os.windows.WINAPI) i32;

proc lineGetQueueInfo(
    hLine: uint32,  # DWORD
    dwQueueID: uint32,  # DWORD
    lpLineQueueInfo: ptr LINEQUEUEINFO  # LINEQUEUEINFO* in/out
): int32 {.importc: "lineGetQueueInfo", stdcall, dynlib: "TAPI32.dll".}

pragma(lib, "tapi32");
extern(Windows)
int lineGetQueueInfo(
    uint hLine,   // DWORD
    uint dwQueueID,   // DWORD
    LINEQUEUEINFO* lpLineQueueInfo   // LINEQUEUEINFO* in/out
);

ccall((:lineGetQueueInfo, "TAPI32.dll"), stdcall, Int32,
      (UInt32, UInt32, Ptr{LINEQUEUEINFO}),
      hLine, dwQueueID, lpLineQueueInfo)
# hLine : DWORD -> UInt32
# dwQueueID : DWORD -> UInt32
# lpLineQueueInfo : LINEQUEUEINFO* in/out -> Ptr{LINEQUEUEINFO}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t lineGetQueueInfo(
    uint32_t hLine,
    uint32_t dwQueueID,
    void* lpLineQueueInfo);
]]
local tapi32 = ffi.load("tapi32")
-- tapi32.lineGetQueueInfo(hLine, dwQueueID, lpLineQueueInfo)
-- hLine : DWORD
-- dwQueueID : DWORD
-- lpLineQueueInfo : LINEQUEUEINFO* 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('TAPI32.dll');
const lineGetQueueInfo = lib.func('__stdcall', 'lineGetQueueInfo', 'int32_t', ['uint32_t', 'uint32_t', 'void *']);
// lineGetQueueInfo(hLine, dwQueueID, lpLineQueueInfo)
// hLine : DWORD -> 'uint32_t'
// dwQueueID : DWORD -> 'uint32_t'
// lpLineQueueInfo : LINEQUEUEINFO* in/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("TAPI32.dll", {
  lineGetQueueInfo: { parameters: ["u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.lineGetQueueInfo(hLine, dwQueueID, lpLineQueueInfo)
// hLine : DWORD -> "u32"
// dwQueueID : DWORD -> "u32"
// lpLineQueueInfo : LINEQUEUEINFO* 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
int32_t lineGetQueueInfo(
    uint32_t hLine,
    uint32_t dwQueueID,
    void* lpLineQueueInfo);
C, "TAPI32.dll");
// $ffi->lineGetQueueInfo(hLine, dwQueueID, lpLineQueueInfo);
// hLine : DWORD
// dwQueueID : DWORD
// lpLineQueueInfo : LINEQUEUEINFO* 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 Tapi32 extends StdCallLibrary {
    Tapi32 INSTANCE = Native.load("tapi32", Tapi32.class);
    int lineGetQueueInfo(
        int hLine,   // DWORD
        int dwQueueID,   // DWORD
        Pointer lpLineQueueInfo   // LINEQUEUEINFO* in/out
    );
}

@[Link("tapi32")]
lib LibTAPI32
  fun lineGetQueueInfo = lineGetQueueInfo(
    hLine : UInt32,   # DWORD
    dwQueueID : UInt32,   # DWORD
    lpLineQueueInfo : LINEQUEUEINFO*   # LINEQUEUEINFO* in/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 lineGetQueueInfoNative = Int32 Function(Uint32, Uint32, Pointer<Void>);
typedef lineGetQueueInfoDart = int Function(int, int, Pointer<Void>);
final lineGetQueueInfo = DynamicLibrary.open('TAPI32.dll')
    .lookupFunction<lineGetQueueInfoNative, lineGetQueueInfoDart>('lineGetQueueInfo');
// hLine : DWORD -> Uint32
// dwQueueID : DWORD -> Uint32
// lpLineQueueInfo : LINEQUEUEINFO* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function lineGetQueueInfo(
  hLine: DWORD;   // DWORD
  dwQueueID: DWORD;   // DWORD
  lpLineQueueInfo: Pointer   // LINEQUEUEINFO* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineGetQueueInfo';

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

foreign import stdcall safe "lineGetQueueInfo"
  c_lineGetQueueInfo :: Word32 -> Word32 -> Ptr () -> IO Int32
-- hLine : DWORD -> Word32
-- dwQueueID : DWORD -> Word32
-- lpLineQueueInfo : LINEQUEUEINFO* in/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 linegetqueueinfo =
  foreign "lineGetQueueInfo"
    (uint32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* hLine : DWORD -> uint32_t *)
(* dwQueueID : DWORD -> uint32_t *)
(* lpLineQueueInfo : LINEQUEUEINFO* in/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 tapi32 (t "TAPI32.dll"))
(cffi:use-foreign-library tapi32)

(cffi:defcfun ("lineGetQueueInfo" line-get-queue-info :convention :stdcall) :int32
  (h-line :uint32)   ; DWORD
  (dw-queue-id :uint32)   ; DWORD
  (lp-line-queue-info :pointer))   ; LINEQUEUEINFO* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $lineGetQueueInfo = Win32::API::More->new('TAPI32',
    'int lineGetQueueInfo(DWORD hLine, DWORD dwQueueID, LPVOID lpLineQueueInfo)');
# my $ret = $lineGetQueueInfo->Call($hLine, $dwQueueID, $lpLineQueueInfo);
# hLine : DWORD -> DWORD
# dwQueueID : DWORD -> DWORD
# lpLineQueueInfo : LINEQUEUEINFO* 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。