waveOutGetPosition

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

DWORD waveOutGetPosition(
    HWAVEOUT hwo,
    MMTIME* pmmt,
    DWORD cbmmt
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function waveOutGetPosition(
    hwo As IntPtr,   ' HWAVEOUT
    pmmt As IntPtr,   ' MMTIME* in/out
    cbmmt As UInteger   ' DWORD
) As UInteger
End Function

' hwo : HWAVEOUT
' pmmt : MMTIME* in/out
' cbmmt : DWORD
Declare PtrSafe Function waveOutGetPosition Lib "winmm" ( _
    ByVal hwo As LongPtr, _
    ByVal pmmt As LongPtr, _
    ByVal cbmmt 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

waveOutGetPosition = ctypes.windll.winmm.waveOutGetPosition
waveOutGetPosition.restype = wintypes.DWORD
waveOutGetPosition.argtypes = [
    wintypes.HANDLE,  # hwo : HWAVEOUT
    ctypes.c_void_p,  # pmmt : MMTIME* in/out
    wintypes.DWORD,  # cbmmt : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
waveOutGetPosition = Fiddle::Function.new(
  lib['waveOutGetPosition'],
  [
    Fiddle::TYPE_VOIDP,  # hwo : HWAVEOUT
    Fiddle::TYPE_VOIDP,  # pmmt : MMTIME* in/out
    -Fiddle::TYPE_INT,  # cbmmt : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn waveOutGetPosition(
        hwo: *mut core::ffi::c_void,  // HWAVEOUT
        pmmt: *mut MMTIME,  // MMTIME* in/out
        cbmmt: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint waveOutGetPosition(IntPtr hwo, IntPtr pmmt, uint cbmmt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_waveOutGetPosition' -Namespace Win32 -PassThru
# $api::waveOutGetPosition(hwo, pmmt, cbmmt)

#uselib "WINMM.dll"
#func global waveOutGetPosition "waveOutGetPosition" sptr, sptr, sptr
; waveOutGetPosition hwo, varptr(pmmt), cbmmt   ; 戻り値は stat
; hwo : HWAVEOUT -> "sptr"
; pmmt : MMTIME* in/out -> "sptr"
; cbmmt : 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。

#uselib "WINMM.dll"
#cfunc global waveOutGetPosition "waveOutGetPosition" sptr, var, int
; res = waveOutGetPosition(hwo, pmmt, cbmmt)
; hwo : HWAVEOUT -> "sptr"
; pmmt : MMTIME* in/out -> "var"
; cbmmt : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD waveOutGetPosition(HWAVEOUT hwo, MMTIME* pmmt, DWORD cbmmt)
#uselib "WINMM.dll"
#cfunc global waveOutGetPosition "waveOutGetPosition" intptr, var, int
; res = waveOutGetPosition(hwo, pmmt, cbmmt)
; hwo : HWAVEOUT -> "intptr"
; pmmt : MMTIME* in/out -> "var"
; cbmmt : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procwaveOutGetPosition = winmm.NewProc("waveOutGetPosition")
)

// hwo (HWAVEOUT), pmmt (MMTIME* in/out), cbmmt (DWORD)
r1, _, err := procwaveOutGetPosition.Call(
	uintptr(hwo),
	uintptr(pmmt),
	uintptr(cbmmt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function waveOutGetPosition(
  hwo: THandle;   // HWAVEOUT
  pmmt: Pointer;   // MMTIME* in/out
  cbmmt: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'waveOutGetPosition';

result := DllCall("WINMM\waveOutGetPosition"
    , "Ptr", hwo   ; HWAVEOUT
    , "Ptr", pmmt   ; MMTIME* in/out
    , "UInt", cbmmt   ; DWORD
    , "UInt")   ; return: DWORD

●waveOutGetPosition(hwo, pmmt, cbmmt) = DLL("WINMM.dll", "dword waveOutGetPosition(void*, void*, dword)")
# 呼び出し: waveOutGetPosition(hwo, pmmt, cbmmt)
# hwo : HWAVEOUT -> "void*"
# pmmt : MMTIME* in/out -> "void*"
# cbmmt : 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)。