Function libeyelink_sys::eyelink_last_message

pub unsafe extern "C" fn eyelink_last_message(buf: *mut c_char) -> INT16

@ingroup messaging Checks for and gets the last packet received, stores the data and the node address sent from.

@param buf String buffer to return text message. @return \c 0 if no message since last command sent, otherwise length of string.

\b Example: See \c eyelink_timed_command()

\sa \c eyelink_send_command() and \c eyelink_timed_command()