ppp_counter_t
ppp_counter_t bytes_in;
ppp_counter_t bytes_out;
ppp_counter_t pkts_in;
ppp_counter_t pkts_out;
ppp_counter_t cp_vj_last_ierrors; /* last VJ input errors */
ppp_counter_t ppp_ibytes; /* bytes received */
ppp_counter_t ppp_ipackets; /* packets received */
ppp_counter_t ppp_ierrors; /* receive errors */
ppp_counter_t ppp_obytes; /* bytes sent */
ppp_counter_t ppp_opackets; /* packets sent */
ppp_counter_t ppp_oerrors; /* transmit errors */