lscreen_write      50 kern/dev/lamebus/con_lscreen.c 	cs->cs_send = lscreen_write;
lscreen_write      51 kern/dev/lamebus/con_lscreen.c 	cs->cs_sendpolled = lscreen_write;
lscreen_write      57 kern/dev/lamebus/lscreen.h void lscreen_write(/*struct lser_softc*/ void *sc, int ch); // output function