WinUsb_GetCurrentAlternateSetting

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

BOOL WinUsb_GetCurrentAlternateSetting(
    WINUSB_INTERFACE_HANDLE InterfaceHandle,
    BYTE* SettingNumber
);

<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_GetCurrentAlternateSetting(
    InterfaceHandle As IntPtr,   ' WINUSB_INTERFACE_HANDLE
    SettingNumber As IntPtr   ' BYTE* out
) As Boolean
End Function

' InterfaceHandle : WINUSB_INTERFACE_HANDLE
' SettingNumber : BYTE* out
Declare PtrSafe Function WinUsb_GetCurrentAlternateSetting Lib "winusb" ( _
    ByVal InterfaceHandle As LongPtr, _
    ByVal SettingNumber 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

WinUsb_GetCurrentAlternateSetting = ctypes.windll.winusb.WinUsb_GetCurrentAlternateSetting
WinUsb_GetCurrentAlternateSetting.restype = wintypes.BOOL
WinUsb_GetCurrentAlternateSetting.argtypes = [
    wintypes.HANDLE,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    ctypes.POINTER(ctypes.c_ubyte),  # SettingNumber : BYTE* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_GetCurrentAlternateSetting = Fiddle::Function.new(
  lib['WinUsb_GetCurrentAlternateSetting'],
  [
    Fiddle::TYPE_VOIDP,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    Fiddle::TYPE_VOIDP,  # SettingNumber : BYTE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winusb")]
extern "system" {
    fn WinUsb_GetCurrentAlternateSetting(
        InterfaceHandle: *mut core::ffi::c_void,  // WINUSB_INTERFACE_HANDLE
        SettingNumber: *mut u8  // BYTE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true)]
public static extern bool WinUsb_GetCurrentAlternateSetting(IntPtr InterfaceHandle, IntPtr SettingNumber);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_GetCurrentAlternateSetting' -Namespace Win32 -PassThru
# $api::WinUsb_GetCurrentAlternateSetting(InterfaceHandle, SettingNumber)

#uselib "WINUSB.dll"
#func global WinUsb_GetCurrentAlternateSetting "WinUsb_GetCurrentAlternateSetting" sptr, sptr
; WinUsb_GetCurrentAlternateSetting InterfaceHandle, varptr(SettingNumber)   ; 戻り値は stat
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; SettingNumber : BYTE* 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 "WINUSB.dll"
#cfunc global WinUsb_GetCurrentAlternateSetting "WinUsb_GetCurrentAlternateSetting" sptr, var
; res = WinUsb_GetCurrentAlternateSetting(InterfaceHandle, SettingNumber)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; SettingNumber : BYTE* 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。

; BOOL WinUsb_GetCurrentAlternateSetting(WINUSB_INTERFACE_HANDLE InterfaceHandle, BYTE* SettingNumber)
#uselib "WINUSB.dll"
#cfunc global WinUsb_GetCurrentAlternateSetting "WinUsb_GetCurrentAlternateSetting" intptr, var
; res = WinUsb_GetCurrentAlternateSetting(InterfaceHandle, SettingNumber)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr"
; SettingNumber : BYTE* 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 (
	winusb = windows.NewLazySystemDLL("WINUSB.dll")
	procWinUsb_GetCurrentAlternateSetting = winusb.NewProc("WinUsb_GetCurrentAlternateSetting")
)

// InterfaceHandle (WINUSB_INTERFACE_HANDLE), SettingNumber (BYTE* out)
r1, _, err := procWinUsb_GetCurrentAlternateSetting.Call(
	uintptr(InterfaceHandle),
	uintptr(SettingNumber),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WinUsb_GetCurrentAlternateSetting(
  InterfaceHandle: THandle;   // WINUSB_INTERFACE_HANDLE
  SettingNumber: Pointer   // BYTE* out
): BOOL; stdcall;
  external 'WINUSB.dll' name 'WinUsb_GetCurrentAlternateSetting';

result := DllCall("WINUSB\WinUsb_GetCurrentAlternateSetting"
    , "Ptr", InterfaceHandle   ; WINUSB_INTERFACE_HANDLE
    , "Ptr", SettingNumber   ; BYTE* out
    , "Int")   ; return: BOOL

●WinUsb_GetCurrentAlternateSetting(InterfaceHandle, SettingNumber) = DLL("WINUSB.dll", "bool WinUsb_GetCurrentAlternateSetting(void*, void*)")
# 呼び出し: WinUsb_GetCurrentAlternateSetting(InterfaceHandle, SettingNumber)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "void*"
# SettingNumber : BYTE* 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)。