Confine_Mouse_Horiz     Resrtrict position of mouse cursor horizontally
Confine_Mouse_Vert      Restrict position of mouse cursor vertically
DelayKey                Pause specified time period or key press
GetKey                  Read a character from keyboard
Get_Mouse_Action        Determine mouse activity
Hide_Mouse_Cursor       Hide mouse cursor from view
Mouse_Installed         Indicate it a mouse is installed
Move_Mouse              Reposition mouse cursor
Set_Mouse_Cursor_style  Change appearance of the mouse cursor
Show_Mouse_Cursor       Redisplay mouse cursor