mmioGetInfo

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

DWORD mmioGetInfo(
    HMMIO hmmio,
    MMIOINFO* pmmioinfo,
    DWORD fuInfo
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function mmioGetInfo(
    hmmio As IntPtr,   ' HMMIO
    pmmioinfo As IntPtr,   ' MMIOINFO* out
    fuInfo As UInteger   ' DWORD
) As UInteger
End Function

' hmmio : HMMIO
' pmmioinfo : MMIOINFO* out
' fuInfo : DWORD
Declare PtrSafe Function mmioGetInfo Lib "winmm" ( _
    ByVal hmmio As LongPtr, _
    ByVal pmmioinfo As LongPtr, _
    ByVal fuInfo 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

mmioGetInfo = ctypes.windll.winmm.mmioGetInfo
mmioGetInfo.restype = wintypes.DWORD
mmioGetInfo.argtypes = [
    wintypes.HANDLE,  # hmmio : HMMIO
    ctypes.c_void_p,  # pmmioinfo : MMIOINFO* out
    wintypes.DWORD,  # fuInfo : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
mmioGetInfo = Fiddle::Function.new(
  lib['mmioGetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # hmmio : HMMIO
    Fiddle::TYPE_VOIDP,  # pmmioinfo : MMIOINFO* out
    -Fiddle::TYPE_INT,  # fuInfo : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn mmioGetInfo(
        hmmio: *mut core::ffi::c_void,  // HMMIO
        pmmioinfo: *mut MMIOINFO,  // MMIOINFO* out
        fuInfo: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint mmioGetInfo(IntPtr hmmio, IntPtr pmmioinfo, uint fuInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mmioGetInfo' -Namespace Win32 -PassThru
# $api::mmioGetInfo(hmmio, pmmioinfo, fuInfo)

#uselib "WINMM.dll"
#func global mmioGetInfo "mmioGetInfo" sptr, sptr, sptr
; mmioGetInfo hmmio, varptr(pmmioinfo), fuInfo   ; 戻り値は stat
; hmmio : HMMIO -> "sptr"
; pmmioinfo : MMIOINFO* out -> "sptr"
; fuInfo : 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")
	procmmioGetInfo = winmm.NewProc("mmioGetInfo")
)

// hmmio (HMMIO), pmmioinfo (MMIOINFO* out), fuInfo (DWORD)
r1, _, err := procmmioGetInfo.Call(
	uintptr(hmmio),
	uintptr(pmmioinfo),
	uintptr(fuInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mmioGetInfo(
  hmmio: THandle;   // HMMIO
  pmmioinfo: Pointer;   // MMIOINFO* out
  fuInfo: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'mmioGetInfo';

result := DllCall("WINMM\mmioGetInfo"
    , "Ptr", hmmio   ; HMMIO
    , "Ptr", pmmioinfo   ; MMIOINFO* out
    , "UInt", fuInfo   ; DWORD
    , "UInt")   ; return: DWORD

●mmioGetInfo(hmmio, pmmioinfo, fuInfo) = DLL("WINMM.dll", "dword mmioGetInfo(void*, void*, dword)")
# 呼び出し: mmioGetInfo(hmmio, pmmioinfo, fuInfo)
# hmmio : HMMIO -> "void*"
# pmmioinfo : MMIOINFO* out -> "void*"
# fuInfo : 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 mmioGetInfo(
    hmmio: ?*anyopaque, // HMMIO
    pmmioinfo: [*c]MMIOINFO, // MMIOINFO* out
    fuInfo: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc mmioGetInfo(
    hmmio: pointer,  # HMMIO
    pmmioinfo: ptr MMIOINFO,  # MMIOINFO* out
    fuInfo: uint32  # DWORD
): uint32 {.importc: "mmioGetInfo", stdcall, dynlib: "WINMM.dll".}

pragma(lib, "winmm");
extern(Windows)
uint mmioGetInfo(
    void* hmmio,   // HMMIO
    MMIOINFO* pmmioinfo,   // MMIOINFO* out
    uint fuInfo   // DWORD
);

ccall((:mmioGetInfo, "WINMM.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{MMIOINFO}, UInt32),
      hmmio, pmmioinfo, fuInfo)
# hmmio : HMMIO -> Ptr{Cvoid}
# pmmioinfo : MMIOINFO* out -> Ptr{MMIOINFO}
# fuInfo : 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 mmioGetInfo(
    void* hmmio,
    void* pmmioinfo,
    uint32_t fuInfo);
]]
local winmm = ffi.load("winmm")
-- winmm.mmioGetInfo(hmmio, pmmioinfo, fuInfo)
-- hmmio : HMMIO
-- pmmioinfo : MMIOINFO* out
-- fuInfo : 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 mmioGetInfo = lib.func('__stdcall', 'mmioGetInfo', 'uint32_t', ['void *', 'void *', 'uint32_t']);
// mmioGetInfo(hmmio, pmmioinfo, fuInfo)
// hmmio : HMMIO -> 'void *'
// pmmioinfo : MMIOINFO* out -> 'void *'
// fuInfo : 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", {
  mmioGetInfo: { parameters: ["pointer", "pointer", "u32"], result: "u32" },
});
// lib.symbols.mmioGetInfo(hmmio, pmmioinfo, fuInfo)
// hmmio : HMMIO -> "pointer"
// pmmioinfo : MMIOINFO* out -> "pointer"
// fuInfo : DWORD -> "u32"
// 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
uint32_t mmioGetInfo(
    void* hmmio,
    void* pmmioinfo,
    uint32_t fuInfo);
C, "WINMM.dll");
// $ffi->mmioGetInfo(hmmio, pmmioinfo, fuInfo);
// hmmio : HMMIO
// pmmioinfo : MMIOINFO* out
// fuInfo : 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);
    int mmioGetInfo(
        Pointer hmmio,   // HMMIO
        Pointer pmmioinfo,   // MMIOINFO* out
        int fuInfo   // DWORD
    );
}

@[Link("winmm")]
lib LibWINMM
  fun mmioGetInfo = mmioGetInfo(
    hmmio : Void*,   # HMMIO
    pmmioinfo : MMIOINFO*,   # MMIOINFO* out
    fuInfo : 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 mmioGetInfoNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Uint32);
typedef mmioGetInfoDart = int Function(Pointer<Void>, Pointer<Void>, int);
final mmioGetInfo = DynamicLibrary.open('WINMM.dll')
    .lookupFunction<mmioGetInfoNative, mmioGetInfoDart>('mmioGetInfo');
// hmmio : HMMIO -> Pointer<Void>
// pmmioinfo : MMIOINFO* out -> Pointer<Void>
// fuInfo : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function mmioGetInfo(
  hmmio: THandle;   // HMMIO
  pmmioinfo: Pointer;   // MMIOINFO* out
  fuInfo: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'mmioGetInfo';

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

foreign import stdcall safe "mmioGetInfo"
  c_mmioGetInfo :: Ptr () -> Ptr () -> Word32 -> IO Word32
-- hmmio : HMMIO -> Ptr ()
-- pmmioinfo : MMIOINFO* out -> Ptr ()
-- fuInfo : 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 mmiogetinfo =
  foreign "mmioGetInfo"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> returning uint32_t)
(* hmmio : HMMIO -> (ptr void) *)
(* pmmioinfo : MMIOINFO* out -> (ptr void) *)
(* fuInfo : 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 ("mmioGetInfo" mmio-get-info :convention :stdcall) :uint32
  (hmmio :pointer)   ; HMMIO
  (pmmioinfo :pointer)   ; MMIOINFO* out
  (fu-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 $mmioGetInfo = Win32::API::More->new('WINMM',
    'DWORD mmioGetInfo(HANDLE hmmio, LPVOID pmmioinfo, DWORD fuInfo)');
# my $ret = $mmioGetInfo->Call($hmmio, $pmmioinfo, $fuInfo);
# hmmio : HMMIO -> HANDLE
# pmmioinfo : MMIOINFO* out -> LPVOID
# fuInfo : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。