extern int opt_want_pppoe;
extern int opt_want_macs;
extern int opt_want_hexdump;
extern int opt_want_snaplen;
extern int opt_wait_secs;
extern int opt_want_pppoe;
extern int opt_want_macs;
extern int opt_want_hexdump;
extern int opt_want_snaplen;
extern int opt_wait_secs;