mixerGetLineInfoA

// WINMM.dll  (ANSI / -A)
#include <windows.h>

DWORD mixerGetLineInfoA(
    HMIXEROBJ hmxobj,   // optional
    MIXERLINEA* pmxl,
    DWORD fdwInfo
);

<DllImport("WINMM.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function mixerGetLineInfoA(
    hmxobj As IntPtr,   ' HMIXEROBJ optional
    pmxl As IntPtr,   ' MIXERLINEA* in/out
    fdwInfo As UInteger   ' DWORD
) As UInteger
End Function

' hmxobj : HMIXEROBJ optional
' pmxl : MIXERLINEA* in/out
' fdwInfo : DWORD
Declare PtrSafe Function mixerGetLineInfoA Lib "winmm" ( _
    ByVal hmxobj As LongPtr, _
    ByVal pmxl As LongPtr, _
    ByVal fdwInfo 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

mixerGetLineInfoA = ctypes.windll.winmm.mixerGetLineInfoA
mixerGetLineInfoA.restype = wintypes.DWORD
mixerGetLineInfoA.argtypes = [
    wintypes.HANDLE,  # hmxobj : HMIXEROBJ optional
    ctypes.c_void_p,  # pmxl : MIXERLINEA* in/out
    wintypes.DWORD,  # fdwInfo : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
mixerGetLineInfoA = Fiddle::Function.new(
  lib['mixerGetLineInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # hmxobj : HMIXEROBJ optional
    Fiddle::TYPE_VOIDP,  # pmxl : MIXERLINEA* in/out
    -Fiddle::TYPE_INT,  # fdwInfo : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn mixerGetLineInfoA(
        hmxobj: *mut core::ffi::c_void,  // HMIXEROBJ optional
        pmxl: *mut MIXERLINEA,  // MIXERLINEA* in/out
        fdwInfo: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll", CharSet = CharSet.Ansi)]
public static extern uint mixerGetLineInfoA(IntPtr hmxobj, IntPtr pmxl, uint fdwInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mixerGetLineInfoA' -Namespace Win32 -PassThru
# $api::mixerGetLineInfoA(hmxobj, pmxl, fdwInfo)

#uselib "WINMM.dll"
#func global mixerGetLineInfoA "mixerGetLineInfoA" sptr, sptr, sptr
; mixerGetLineInfoA hmxobj, varptr(pmxl), fdwInfo   ; 戻り値は stat
; hmxobj : HMIXEROBJ optional -> "sptr"
; pmxl : MIXERLINEA* in/out -> "sptr"
; fdwInfo : DWORD -> "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 (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmixerGetLineInfoA = winmm.NewProc("mixerGetLineInfoA")
)

// hmxobj (HMIXEROBJ optional), pmxl (MIXERLINEA* in/out), fdwInfo (DWORD)
r1, _, err := procmixerGetLineInfoA.Call(
	uintptr(hmxobj),
	uintptr(pmxl),
	uintptr(fdwInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mixerGetLineInfoA(
  hmxobj: THandle;   // HMIXEROBJ optional
  pmxl: Pointer;   // MIXERLINEA* in/out
  fdwInfo: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'mixerGetLineInfoA';

result := DllCall("WINMM\mixerGetLineInfoA"
    , "Ptr", hmxobj   ; HMIXEROBJ optional
    , "Ptr", pmxl   ; MIXERLINEA* in/out
    , "UInt", fdwInfo   ; DWORD
    , "UInt")   ; return: DWORD

●mixerGetLineInfoA(hmxobj, pmxl, fdwInfo) = DLL("WINMM.dll", "dword mixerGetLineInfoA(void*, void*, dword)")
# 呼び出し: mixerGetLineInfoA(hmxobj, pmxl, fdwInfo)
# hmxobj : HMIXEROBJ optional -> "void*"
# pmxl : MIXERLINEA* in/out -> "void*"
# fdwInfo : DWORD -> "dword"
# 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 "winmm" fn mixerGetLineInfoA(
    hmxobj: ?*anyopaque, // HMIXEROBJ optional
    pmxl: [*c]MIXERLINEA, // MIXERLINEA* in/out
    fdwInfo: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc mixerGetLineInfoA(
    hmxobj: pointer,  # HMIXEROBJ optional
    pmxl: ptr MIXERLINEA,  # MIXERLINEA* in/out
    fdwInfo: uint32  # DWORD
): uint32 {.importc: "mixerGetLineInfoA", stdcall, dynlib: "WINMM.dll".}

pragma(lib, "winmm");
extern(Windows)
uint mixerGetLineInfoA(
    void* hmxobj,   // HMIXEROBJ optional
    MIXERLINEA* pmxl,   // MIXERLINEA* in/out
    uint fdwInfo   // DWORD
);

ccall((:mixerGetLineInfoA, "WINMM.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{MIXERLINEA}, UInt32),
      hmxobj, pmxl, fdwInfo)
# hmxobj : HMIXEROBJ optional -> Ptr{Cvoid}
# pmxl : MIXERLINEA* in/out -> Ptr{MIXERLINEA}
# fdwInfo : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t mixerGetLineInfoA(
    void* hmxobj,
    void* pmxl,
    uint32_t fdwInfo);
]]
local winmm = ffi.load("winmm")
-- winmm.mixerGetLineInfoA(hmxobj, pmxl, fdwInfo)
-- hmxobj : HMIXEROBJ optional
-- pmxl : MIXERLINEA* in/out
-- fdwInfo : DWORD
-- 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('WINMM.dll');
const mixerGetLineInfoA = lib.func('__stdcall', 'mixerGetLineInfoA', 'uint32_t', ['void *', 'void *', 'uint32_t']);
// mixerGetLineInfoA(hmxobj, pmxl, fdwInfo)
// hmxobj : HMIXEROBJ optional -> 'void *'
// pmxl : MIXERLINEA* in/out -> 'void *'
// fdwInfo : DWORD -> '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("WINMM.dll", {
  mixerGetLineInfoA: { parameters: ["pointer", "pointer", "u32"], result: "u32" },
});
// lib.symbols.mixerGetLineInfoA(hmxobj, pmxl, fdwInfo)
// hmxobj : HMIXEROBJ optional -> "pointer"
// pmxl : MIXERLINEA* in/out -> "pointer"
// fdwInfo : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t mixerGetLineInfoA(
    void* hmxobj,
    void* pmxl,
    uint32_t fdwInfo);
C, "WINMM.dll");
// $ffi->mixerGetLineInfoA(hmxobj, pmxl, fdwInfo);
// hmxobj : HMIXEROBJ optional
// pmxl : MIXERLINEA* in/out
// fdwInfo : DWORD
// 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 Winmm extends StdCallLibrary {
    Winmm INSTANCE = Native.load("winmm", Winmm.class, W32APIOptions.ASCII_OPTIONS);
    int mixerGetLineInfoA(
        Pointer hmxobj,   // HMIXEROBJ optional
        Pointer pmxl,   // MIXERLINEA* in/out
        int fdwInfo   // DWORD
    );
}

@[Link("winmm")]
lib LibWINMM
  fun mixerGetLineInfoA = mixerGetLineInfoA(
    hmxobj : Void*,   # HMIXEROBJ optional
    pmxl : MIXERLINEA*,   # MIXERLINEA* in/out
    fdwInfo : UInt32   # DWORD
  ) : 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 mixerGetLineInfoANative = Uint32 Function(Pointer<Void>, Pointer<Void>, Uint32);
typedef mixerGetLineInfoADart = int Function(Pointer<Void>, Pointer<Void>, int);
final mixerGetLineInfoA = DynamicLibrary.open('WINMM.dll')
    .lookupFunction<mixerGetLineInfoANative, mixerGetLineInfoADart>('mixerGetLineInfoA');
// hmxobj : HMIXEROBJ optional -> Pointer<Void>
// pmxl : MIXERLINEA* in/out -> Pointer<Void>
// fdwInfo : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function mixerGetLineInfoA(
  hmxobj: THandle;   // HMIXEROBJ optional
  pmxl: Pointer;   // MIXERLINEA* in/out
  fdwInfo: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'mixerGetLineInfoA';

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

foreign import stdcall safe "mixerGetLineInfoA"
  c_mixerGetLineInfoA :: Ptr () -> Ptr () -> Word32 -> IO Word32
-- hmxobj : HMIXEROBJ optional -> Ptr ()
-- pmxl : MIXERLINEA* in/out -> Ptr ()
-- fdwInfo : DWORD -> 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 mixergetlineinfoa =
  foreign "mixerGetLineInfoA"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> returning uint32_t)
(* hmxobj : HMIXEROBJ optional -> (ptr void) *)
(* pmxl : MIXERLINEA* in/out -> (ptr void) *)
(* fdwInfo : DWORD -> 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 winmm (t "WINMM.dll"))
(cffi:use-foreign-library winmm)

(cffi:defcfun ("mixerGetLineInfoA" mixer-get-line-info-a :convention :stdcall) :uint32
  (hmxobj :pointer)   ; HMIXEROBJ optional
  (pmxl :pointer)   ; MIXERLINEA* in/out
  (fdw-info :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $mixerGetLineInfoA = Win32::API::More->new('WINMM',
    'DWORD mixerGetLineInfoA(HANDLE hmxobj, LPVOID pmxl, DWORD fdwInfo)');
# my $ret = $mixerGetLineInfoA->Call($hmxobj, $pmxl, $fdwInfo);
# hmxobj : HMIXEROBJ optional -> HANDLE
# pmxl : MIXERLINEA* in/out -> LPVOID
# fdwInfo : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。