Function libeyelink_sys::eyelink_double_usec_offset

pub unsafe extern "C" fn eyelink_double_usec_offset() -> f64

@ingroup access_time_tracker Returns the time difference between the tracker time and display pc time.

@return Returns the time difference between the tracker time and display pc time in microseconds.

\sa \c current_time() and \c eyelink_tracker_msec()