+lwattr &
+lwbord &
+lwclose &
+lwcntl &
+lwgetc &
+lwgoto &
+lwinit &
+lwopen &
+lwoproc &
+lwputc &
+lwread &
+lwwrite &
+pcscreen &
+show &
+ttyopen &
+wputcsr &
+x_edit &
+x_redraw &
+x_shell &
+x_window
