DECLARE FUNCTION ACTPAGE%
DECLARE FUNCTION BACKCOLOR%
DECLARE FUNCTION BORDERCOLOR%
DECLARE FUNCTION COLORBURST%
DECLARE FUNCTION CRT$
DECLARE FUNCTION CURSORSTART%
DECLARE FUNCTION CURSORSTOP%
DECLARE FUNCTION DEFSEG%
DECLARE FUNCTION FORECOLOR%
DECLARE FUNCTION REDIRECTION%
DECLARE FUNCTION SCREENHEIGHT%
DECLARE FUNCTION SCREENMODE%
DECLARE FUNCTION SCREENWIDTH%
DECLARE FUNCTION SHOWCURSOR%
DECLARE FUNCTION VIEWBOTTOM%
DECLARE FUNCTION VIEWTOP%
DECLARE FUNCTION VISPAGE%