safe-load -- Load file FNAME while trapping and displaying errors.
set-load-processing-frequency! -- Invoke hooks on load-processing-hook every NUM-LINES lines.
add-timer-hook! -- Add a timer hook to call PROC once sometime after MSEC milliseconds.
remove-timer-hook! -- Remove a timer hook identified by HANDLE.
reset-timer-hook! -- Remove all timer-hook procedures.
get-timer-hooks-list -- Return the timer-hooks list.
add-input-hook! -- Add an input hook to run PROC on input from PORT.
remove-input-hook! -- Remove an input hook identified by HANDLE.
reset-input-hook! -- Remove all procedures from the input hook.
get-input-hooks-list -- Return the input-hooks list.
call-interactively -- Invoke THUNK interactively.