Function libeyelink_sys::eyelink_last_button_states

pub unsafe extern "C" fn eyelink_last_button_states(time: *mut UINT32) -> UINT16

@ingroup elbutton Returns a flag word with bits set to indicate which tracker buttons are currently pressed. This is button 1 for the LSB, up to button 16 for the MSB. Same as eyelink_button_states() except, optionally time of the button states can be acquired.

@param[out] time pointer to return time of the button states. @return Flag bits for buttons currently pressed. \sa \c eyelink_send_keybutton()