waveInUnprepareHeader

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

DWORD waveInUnprepareHeader(
    HWAVEIN hwi,
    WAVEHDR* pwh,
    DWORD cbwh
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function waveInUnprepareHeader(
    hwi As IntPtr,   ' HWAVEIN
    pwh As IntPtr,   ' WAVEHDR* in/out
    cbwh As UInteger   ' DWORD
) As UInteger
End Function

' hwi : HWAVEIN
' pwh : WAVEHDR* in/out
' cbwh : DWORD
Declare PtrSafe Function waveInUnprepareHeader Lib "winmm" ( _
    ByVal hwi As LongPtr, _
    ByVal pwh As LongPtr, _
    ByVal cbwh 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

waveInUnprepareHeader = ctypes.windll.winmm.waveInUnprepareHeader
waveInUnprepareHeader.restype = wintypes.DWORD
waveInUnprepareHeader.argtypes = [
    wintypes.HANDLE,  # hwi : HWAVEIN
    ctypes.c_void_p,  # pwh : WAVEHDR* in/out
    wintypes.DWORD,  # cbwh : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
waveInUnprepareHeader = Fiddle::Function.new(
  lib['waveInUnprepareHeader'],
  [
    Fiddle::TYPE_VOIDP,  # hwi : HWAVEIN
    Fiddle::TYPE_VOIDP,  # pwh : WAVEHDR* in/out
    -Fiddle::TYPE_INT,  # cbwh : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn waveInUnprepareHeader(
        hwi: *mut core::ffi::c_void,  // HWAVEIN
        pwh: *mut WAVEHDR,  // WAVEHDR* in/out
        cbwh: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint waveInUnprepareHeader(IntPtr hwi, IntPtr pwh, uint cbwh);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_waveInUnprepareHeader' -Namespace Win32 -PassThru
# $api::waveInUnprepareHeader(hwi, pwh, cbwh)

#uselib "WINMM.dll"
#func global waveInUnprepareHeader "waveInUnprepareHeader" sptr, sptr, sptr
; waveInUnprepareHeader hwi, varptr(pwh), cbwh   ; 戻り値は stat
; hwi : HWAVEIN -> "sptr"
; pwh : WAVEHDR* in/out -> "sptr"
; cbwh : 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 waveInUnprepareHeader "waveInUnprepareHeader" sptr, var, int
; res = waveInUnprepareHeader(hwi, pwh, cbwh)
; hwi : HWAVEIN -> "sptr"
; pwh : WAVEHDR* in/out -> "var"
; cbwh : 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 waveInUnprepareHeader(HWAVEIN hwi, WAVEHDR* pwh, DWORD cbwh)
#uselib "WINMM.dll"
#cfunc global waveInUnprepareHeader "waveInUnprepareHeader" intptr, var, int
; res = waveInUnprepareHeader(hwi, pwh, cbwh)
; hwi : HWAVEIN -> "intptr"
; pwh : WAVEHDR* in/out -> "var"
; cbwh : 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")
	procwaveInUnprepareHeader = winmm.NewProc("waveInUnprepareHeader")
)

// hwi (HWAVEIN), pwh (WAVEHDR* in/out), cbwh (DWORD)
r1, _, err := procwaveInUnprepareHeader.Call(
	uintptr(hwi),
	uintptr(pwh),
	uintptr(cbwh),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function waveInUnprepareHeader(
  hwi: THandle;   // HWAVEIN
  pwh: Pointer;   // WAVEHDR* in/out
  cbwh: DWORD   // DWORD
): DWORD; stdcall;
  external 'WINMM.dll' name 'waveInUnprepareHeader';

result := DllCall("WINMM\waveInUnprepareHeader"
    , "Ptr", hwi   ; HWAVEIN
    , "Ptr", pwh   ; WAVEHDR* in/out
    , "UInt", cbwh   ; DWORD
    , "UInt")   ; return: DWORD

●waveInUnprepareHeader(hwi, pwh, cbwh) = DLL("WINMM.dll", "dword waveInUnprepareHeader(void*, void*, dword)")
# 呼び出し: waveInUnprepareHeader(hwi, pwh, cbwh)
# hwi : HWAVEIN -> "void*"
# pwh : WAVEHDR* in/out -> "void*"
# cbwh : 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)。