mmTaskCreate

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

DWORD mmTaskCreate(
    LPTASKCALLBACK lpfn,
    HANDLE* lph,
    UINT_PTR dwInst
);

<DllImport("WINMM.dll", ExactSpelling:=True)>
Public Shared Function mmTaskCreate(
    lpfn As IntPtr,   ' LPTASKCALLBACK
    lph As IntPtr,   ' HANDLE* in/out
    dwInst As UIntPtr   ' UINT_PTR
) As UInteger
End Function

' lpfn : LPTASKCALLBACK
' lph : HANDLE* in/out
' dwInst : UINT_PTR
Declare PtrSafe Function mmTaskCreate Lib "winmm" ( _
    ByVal lpfn As LongPtr, _
    ByVal lph As LongPtr, _
    ByVal dwInst As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

mmTaskCreate = ctypes.windll.winmm.mmTaskCreate
mmTaskCreate.restype = wintypes.DWORD
mmTaskCreate.argtypes = [
    ctypes.c_void_p,  # lpfn : LPTASKCALLBACK
    ctypes.c_void_p,  # lph : HANDLE* in/out
    ctypes.c_size_t,  # dwInst : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINMM.dll')
mmTaskCreate = Fiddle::Function.new(
  lib['mmTaskCreate'],
  [
    Fiddle::TYPE_VOIDP,  # lpfn : LPTASKCALLBACK
    Fiddle::TYPE_VOIDP,  # lph : HANDLE* in/out
    Fiddle::TYPE_UINTPTR_T,  # dwInst : UINT_PTR
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winmm")]
extern "system" {
    fn mmTaskCreate(
        lpfn: *const core::ffi::c_void,  // LPTASKCALLBACK
        lph: *mut *mut core::ffi::c_void,  // HANDLE* in/out
        dwInst: usize  // UINT_PTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINMM.dll")]
public static extern uint mmTaskCreate(IntPtr lpfn, IntPtr lph, UIntPtr dwInst);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINMM_mmTaskCreate' -Namespace Win32 -PassThru
# $api::mmTaskCreate(lpfn, lph, dwInst)

#uselib "WINMM.dll"
#func global mmTaskCreate "mmTaskCreate" sptr, sptr, sptr
; mmTaskCreate lpfn, lph, dwInst   ; 戻り値は stat
; lpfn : LPTASKCALLBACK -> "sptr"
; lph : HANDLE* in/out -> "sptr"
; dwInst : UINT_PTR -> "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 mmTaskCreate "mmTaskCreate" sptr, sptr, sptr
; res = mmTaskCreate(lpfn, lph, dwInst)
; lpfn : LPTASKCALLBACK -> "sptr"
; lph : HANDLE* in/out -> "sptr"
; dwInst : UINT_PTR -> "sptr"

; DWORD mmTaskCreate(LPTASKCALLBACK lpfn, HANDLE* lph, UINT_PTR dwInst)
#uselib "WINMM.dll"
#cfunc global mmTaskCreate "mmTaskCreate" intptr, intptr, intptr
; res = mmTaskCreate(lpfn, lph, dwInst)
; lpfn : LPTASKCALLBACK -> "intptr"
; lph : HANDLE* in/out -> "intptr"
; dwInst : UINT_PTR -> "intptr"

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

var (
	winmm = windows.NewLazySystemDLL("WINMM.dll")
	procmmTaskCreate = winmm.NewProc("mmTaskCreate")
)

// lpfn (LPTASKCALLBACK), lph (HANDLE* in/out), dwInst (UINT_PTR)
r1, _, err := procmmTaskCreate.Call(
	uintptr(lpfn),
	uintptr(lph),
	uintptr(dwInst),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function mmTaskCreate(
  lpfn: Pointer;   // LPTASKCALLBACK
  lph: Pointer;   // HANDLE* in/out
  dwInst: NativeUInt   // UINT_PTR
): DWORD; stdcall;
  external 'WINMM.dll' name 'mmTaskCreate';

result := DllCall("WINMM\mmTaskCreate"
    , "Ptr", lpfn   ; LPTASKCALLBACK
    , "Ptr", lph   ; HANDLE* in/out
    , "UPtr", dwInst   ; UINT_PTR
    , "UInt")   ; return: DWORD

●mmTaskCreate(lpfn, lph, dwInst) = DLL("WINMM.dll", "dword mmTaskCreate(void*, void*, int)")
# 呼び出し: mmTaskCreate(lpfn, lph, dwInst)
# lpfn : LPTASKCALLBACK -> "void*"
# lph : HANDLE* in/out -> "void*"
# dwInst : UINT_PTR -> "int"
# 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)。