waveOutOpen

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

DWORD waveOutOpen(
    HWAVEOUT* phwo,   // optional
    DWORD uDeviceID,
    WAVEFORMATEX* pwfx,
    UINT_PTR dwCallback,   // optional
    UINT_PTR dwInstance,   // optional
    MIDI_WAVE_OPEN_TYPE fdwOpen
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function waveOutOpen(
    phwo As IntPtr,   ' HWAVEOUT* optional, out
    uDeviceID As UInteger,   ' DWORD
    pwfx As IntPtr,   ' WAVEFORMATEX*
    dwCallback As UIntPtr,   ' UINT_PTR optional
    dwInstance As UIntPtr,   ' UINT_PTR optional
    fdwOpen As UInteger   ' MIDI_WAVE_OPEN_TYPE
) As UInteger
End Function

' phwo : HWAVEOUT* optional, out
' uDeviceID : DWORD
' pwfx : WAVEFORMATEX*
' dwCallback : UINT_PTR optional
' dwInstance : UINT_PTR optional
' fdwOpen : MIDI_WAVE_OPEN_TYPE
Declare PtrSafe Function waveOutOpen Lib "winmm" ( _
    ByVal phwo As LongPtr, _
    ByVal uDeviceID As Long, _
    ByVal pwfx As LongPtr, _
    ByVal dwCallback As LongPtr, _
    ByVal dwInstance As LongPtr, _
    ByVal fdwOpen 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

waveOutOpen = ctypes.windll.winmm.waveOutOpen
waveOutOpen.restype = wintypes.DWORD
waveOutOpen.argtypes = [
    ctypes.c_void_p,  # phwo : HWAVEOUT* optional, out
    wintypes.DWORD,  # uDeviceID : DWORD
    ctypes.c_void_p,  # pwfx : WAVEFORMATEX*
    ctypes.c_size_t,  # dwCallback : UINT_PTR optional
    ctypes.c_size_t,  # dwInstance : UINT_PTR optional
    wintypes.DWORD,  # fdwOpen : MIDI_WAVE_OPEN_TYPE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
waveOutOpen = Fiddle::Function.new(
  lib['waveOutOpen'],
  [
    Fiddle::TYPE_VOIDP,  # phwo : HWAVEOUT* optional, out
    -Fiddle::TYPE_INT,  # uDeviceID : DWORD
    Fiddle::TYPE_VOIDP,  # pwfx : WAVEFORMATEX*
    Fiddle::TYPE_UINTPTR_T,  # dwCallback : UINT_PTR optional
    Fiddle::TYPE_UINTPTR_T,  # dwInstance : UINT_PTR optional
    -Fiddle::TYPE_INT,  # fdwOpen : MIDI_WAVE_OPEN_TYPE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn waveOutOpen(
        phwo: *mut *mut core::ffi::c_void,  // HWAVEOUT* optional, out
        uDeviceID: u32,  // DWORD
        pwfx: *mut WAVEFORMATEX,  // WAVEFORMATEX*
        dwCallback: usize,  // UINT_PTR optional
        dwInstance: usize,  // UINT_PTR optional
        fdwOpen: u32  // MIDI_WAVE_OPEN_TYPE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint waveOutOpen(IntPtr phwo, uint uDeviceID, IntPtr pwfx, UIntPtr dwCallback, UIntPtr dwInstance, uint fdwOpen);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_waveOutOpen' -Namespace Win32 -PassThru
# $api::waveOutOpen(phwo, uDeviceID, pwfx, dwCallback, dwInstance, fdwOpen)

#uselib "WINMM.dll"
#func global waveOutOpen "waveOutOpen" sptr, sptr, sptr, sptr, sptr, sptr
; waveOutOpen phwo, uDeviceID, varptr(pwfx), dwCallback, dwInstance, fdwOpen   ; 戻り値は stat
; phwo : HWAVEOUT* optional, out -> "sptr"
; uDeviceID : DWORD -> "sptr"
; pwfx : WAVEFORMATEX* -> "sptr"
; dwCallback : UINT_PTR optional -> "sptr"
; dwInstance : UINT_PTR optional -> "sptr"
; fdwOpen : MIDI_WAVE_OPEN_TYPE -> "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 waveOutOpen "waveOutOpen" sptr, int, var, sptr, sptr, int
; res = waveOutOpen(phwo, uDeviceID, pwfx, dwCallback, dwInstance, fdwOpen)
; phwo : HWAVEOUT* optional, out -> "sptr"
; uDeviceID : DWORD -> "int"
; pwfx : WAVEFORMATEX* -> "var"
; dwCallback : UINT_PTR optional -> "sptr"
; dwInstance : UINT_PTR optional -> "sptr"
; fdwOpen : MIDI_WAVE_OPEN_TYPE -> "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 waveOutOpen(HWAVEOUT* phwo, DWORD uDeviceID, WAVEFORMATEX* pwfx, UINT_PTR dwCallback, UINT_PTR dwInstance, MIDI_WAVE_OPEN_TYPE fdwOpen)
#uselib "WINMM.dll"
#cfunc global waveOutOpen "waveOutOpen" intptr, int, var, intptr, intptr, int
; res = waveOutOpen(phwo, uDeviceID, pwfx, dwCallback, dwInstance, fdwOpen)
; phwo : HWAVEOUT* optional, out -> "intptr"
; uDeviceID : DWORD -> "int"
; pwfx : WAVEFORMATEX* -> "var"
; dwCallback : UINT_PTR optional -> "intptr"
; dwInstance : UINT_PTR optional -> "intptr"
; fdwOpen : MIDI_WAVE_OPEN_TYPE -> "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")
	procwaveOutOpen = winmm.NewProc("waveOutOpen")
)

// phwo (HWAVEOUT* optional, out), uDeviceID (DWORD), pwfx (WAVEFORMATEX*), dwCallback (UINT_PTR optional), dwInstance (UINT_PTR optional), fdwOpen (MIDI_WAVE_OPEN_TYPE)
r1, _, err := procwaveOutOpen.Call(
	uintptr(phwo),
	uintptr(uDeviceID),
	uintptr(pwfx),
	uintptr(dwCallback),
	uintptr(dwInstance),
	uintptr(fdwOpen),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function waveOutOpen(
  phwo: Pointer;   // HWAVEOUT* optional, out
  uDeviceID: DWORD;   // DWORD
  pwfx: Pointer;   // WAVEFORMATEX*
  dwCallback: NativeUInt;   // UINT_PTR optional
  dwInstance: NativeUInt;   // UINT_PTR optional
  fdwOpen: DWORD   // MIDI_WAVE_OPEN_TYPE
): DWORD; stdcall;
  external 'WINMM.dll' name 'waveOutOpen';

result := DllCall("WINMM\waveOutOpen"
    , "Ptr", phwo   ; HWAVEOUT* optional, out
    , "UInt", uDeviceID   ; DWORD
    , "Ptr", pwfx   ; WAVEFORMATEX*
    , "UPtr", dwCallback   ; UINT_PTR optional
    , "UPtr", dwInstance   ; UINT_PTR optional
    , "UInt", fdwOpen   ; MIDI_WAVE_OPEN_TYPE
    , "UInt")   ; return: DWORD

●waveOutOpen(phwo, uDeviceID, pwfx, dwCallback, dwInstance, fdwOpen) = DLL("WINMM.dll", "dword waveOutOpen(void*, dword, void*, int, int, dword)")
# 呼び出し: waveOutOpen(phwo, uDeviceID, pwfx, dwCallback, dwInstance, fdwOpen)
# phwo : HWAVEOUT* optional, out -> "void*"
# uDeviceID : DWORD -> "dword"
# pwfx : WAVEFORMATEX* -> "void*"
# dwCallback : UINT_PTR optional -> "int"
# dwInstance : UINT_PTR optional -> "int"
# fdwOpen : MIDI_WAVE_OPEN_TYPE -> "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)。