pub type PTP_TIMER_CALLBACK = Option<unsafe extern "C" fn(arg1: PTP_CALLBACK_INSTANCE, arg2: PVOID, arg3: PTP_TIMER)>;Aliased Type§
pub enum PTP_TIMER_CALLBACK {
None,
Some(unsafe extern "C" fn(*mut _TP_CALLBACK_INSTANCE, *mut c_void, *mut _TP_TIMER)),
}