// Calling different PRG functions PROCEDURE Main() SecondOne() DO Fourth WITH "from Fourth() function" // Testing the old fashion DO ... ? "Ok, back to Main()" RETURN FUNCTION SecondOne() ? "Ok, this is from Second() function call" Third() RETURN NIL FUNCTION Third() ? "Ok, this is from Third() function call" RETURN NIL FUNCTION Fourth( cText ) ? cText RETURN NIL