pub type DAQmxSignalEventCallbackPtr = Option<unsafe extern "C" fn(taskHandle: TaskHandle, signalID: int32, callbackData: *mut c_void) -> int32>;Aliased Type§
pub enum DAQmxSignalEventCallbackPtr {
None,
Some(unsafe extern "C" fn(*mut c_void, i64, *mut c_void) -> i64),
}