phoneInitialize

// TAPI32.dll
#include <windows.h>

INT phoneInitialize(
    DWORD* lphPhoneApp,
    HINSTANCE hInstance,
    PHONECALLBACK lpfnCallback,
    LPCSTR lpszAppName,
    DWORD* lpdwNumDevs
);

<DllImport("TAPI32.dll", ExactSpelling:=True)>
Public Shared Function phoneInitialize(
    ByRef lphPhoneApp As UInteger,   ' DWORD* in/out
    hInstance As IntPtr,   ' HINSTANCE
    lpfnCallback As IntPtr,   ' PHONECALLBACK
    <MarshalAs(UnmanagedType.LPStr)> lpszAppName As String,   ' LPCSTR
    ByRef lpdwNumDevs As UInteger   ' DWORD* in/out
) As Integer
End Function

' lphPhoneApp : DWORD* in/out
' hInstance : HINSTANCE
' lpfnCallback : PHONECALLBACK
' lpszAppName : LPCSTR
' lpdwNumDevs : DWORD* in/out
Declare PtrSafe Function phoneInitialize Lib "tapi32" ( _
    ByRef lphPhoneApp As Long, _
    ByVal hInstance As LongPtr, _
    ByVal lpfnCallback As LongPtr, _
    ByVal lpszAppName As String, _
    ByRef lpdwNumDevs 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

phoneInitialize = ctypes.windll.tapi32.phoneInitialize
phoneInitialize.restype = ctypes.c_int
phoneInitialize.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # lphPhoneApp : DWORD* in/out
    wintypes.HANDLE,  # hInstance : HINSTANCE
    ctypes.c_void_p,  # lpfnCallback : PHONECALLBACK
    wintypes.LPCSTR,  # lpszAppName : LPCSTR
    ctypes.POINTER(wintypes.DWORD),  # lpdwNumDevs : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
phoneInitialize = Fiddle::Function.new(
  lib['phoneInitialize'],
  [
    Fiddle::TYPE_VOIDP,  # lphPhoneApp : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # hInstance : HINSTANCE
    Fiddle::TYPE_VOIDP,  # lpfnCallback : PHONECALLBACK
    Fiddle::TYPE_VOIDP,  # lpszAppName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpdwNumDevs : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn phoneInitialize(
        lphPhoneApp: *mut u32,  // DWORD* in/out
        hInstance: *mut core::ffi::c_void,  // HINSTANCE
        lpfnCallback: *const core::ffi::c_void,  // PHONECALLBACK
        lpszAppName: *const u8,  // LPCSTR
        lpdwNumDevs: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll")]
public static extern int phoneInitialize(ref uint lphPhoneApp, IntPtr hInstance, IntPtr lpfnCallback, [MarshalAs(UnmanagedType.LPStr)] string lpszAppName, ref uint lpdwNumDevs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_phoneInitialize' -Namespace Win32 -PassThru
# $api::phoneInitialize(lphPhoneApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)

#uselib "TAPI32.dll"
#func global phoneInitialize "phoneInitialize" sptr, sptr, sptr, sptr, sptr
; phoneInitialize varptr(lphPhoneApp), hInstance, lpfnCallback, lpszAppName, varptr(lpdwNumDevs)   ; 戻り値は stat
; lphPhoneApp : DWORD* in/out -> "sptr"
; hInstance : HINSTANCE -> "sptr"
; lpfnCallback : PHONECALLBACK -> "sptr"
; lpszAppName : LPCSTR -> "sptr"
; lpdwNumDevs : DWORD* in/out -> "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 "TAPI32.dll"
#cfunc global phoneInitialize "phoneInitialize" var, sptr, sptr, str, var
; res = phoneInitialize(lphPhoneApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)
; lphPhoneApp : DWORD* in/out -> "var"
; hInstance : HINSTANCE -> "sptr"
; lpfnCallback : PHONECALLBACK -> "sptr"
; lpszAppName : LPCSTR -> "str"
; lpdwNumDevs : DWORD* in/out -> "var"
; ※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。

; INT phoneInitialize(DWORD* lphPhoneApp, HINSTANCE hInstance, PHONECALLBACK lpfnCallback, LPCSTR lpszAppName, DWORD* lpdwNumDevs)
#uselib "TAPI32.dll"
#cfunc global phoneInitialize "phoneInitialize" var, intptr, intptr, str, var
; res = phoneInitialize(lphPhoneApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)
; lphPhoneApp : DWORD* in/out -> "var"
; hInstance : HINSTANCE -> "intptr"
; lpfnCallback : PHONECALLBACK -> "intptr"
; lpszAppName : LPCSTR -> "str"
; lpdwNumDevs : DWORD* in/out -> "var"
; ※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 (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	procphoneInitialize = tapi32.NewProc("phoneInitialize")
)

// lphPhoneApp (DWORD* in/out), hInstance (HINSTANCE), lpfnCallback (PHONECALLBACK), lpszAppName (LPCSTR), lpdwNumDevs (DWORD* in/out)
r1, _, err := procphoneInitialize.Call(
	uintptr(lphPhoneApp),
	uintptr(hInstance),
	uintptr(lpfnCallback),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszAppName))),
	uintptr(lpdwNumDevs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function phoneInitialize(
  lphPhoneApp: Pointer;   // DWORD* in/out
  hInstance: THandle;   // HINSTANCE
  lpfnCallback: Pointer;   // PHONECALLBACK
  lpszAppName: PAnsiChar;   // LPCSTR
  lpdwNumDevs: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'phoneInitialize';

result := DllCall("TAPI32\phoneInitialize"
    , "Ptr", lphPhoneApp   ; DWORD* in/out
    , "Ptr", hInstance   ; HINSTANCE
    , "Ptr", lpfnCallback   ; PHONECALLBACK
    , "AStr", lpszAppName   ; LPCSTR
    , "Ptr", lpdwNumDevs   ; DWORD* in/out
    , "Int")   ; return: INT

●phoneInitialize(lphPhoneApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs) = DLL("TAPI32.dll", "int phoneInitialize(void*, void*, void*, char*, void*)")
# 呼び出し: phoneInitialize(lphPhoneApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)
# lphPhoneApp : DWORD* in/out -> "void*"
# hInstance : HINSTANCE -> "void*"
# lpfnCallback : PHONECALLBACK -> "void*"
# lpszAppName : LPCSTR -> "char*"
# lpdwNumDevs : DWORD* in/out -> "void*"
# 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)。