filter_t
filter_t *f_next;
static filter_t *filters[NFILTERKEYS];
v4_addr_match(IpAddress addr, IpAddress mask, const filter_t *fp)
filter_t *fp;
v6_addr_match(const Ip6Address *addr, int masklen, const filter_t *fp)
filter_t *fp;
filter_t *newf;
const filter_t *fp;
filter_t filter; /* Current instance filter */
filter_t filter; /* Current instance filter */