Function realsense_sys::rs2_device_hub_is_device_connected

pub unsafe extern "C" fn rs2_device_hub_is_device_connected(
    hub: *const rs2_device_hub, 
    device: *const rs2_device, 
    error: *mut *mut rs2_error
) -> c_int

Checks if device is still connected \param[in] hub The device hub object \param[in] device The device \param[out] error If non-null, receives any error that occurs during this call, otherwise, errors are ignored. \return 1 if the device is connected, 0 otherwise