static void ccp_up __P((fsm *));
static void ccp_down __P((fsm *));
static int ccp_extcode __P((fsm *, int, int, u_char *, int));
static void ccp_up __P((fsm *));
static void ccp_down __P((fsm *));
static int ccp_extcode __P((fsm *, int, int, u_char *, int));