nd_opt_prefix_info
__CTASSERT(sizeof(struct nd_opt_prefix_info) == 32);
(struct nd_opt_prefix_info *)nd_opt;
struct nd_opt_prefix_info *pi_beg; /* multiple opts, start */
struct nd_opt_prefix_info *pi_end;/* multiple opts, end */
struct nd_opt_prefix_info *ndopt_pi;
packlen += sizeof(struct nd_opt_prefix_info) * rainfo->pfxs;
ndopt_pi = (struct nd_opt_prefix_info *)buf;
buf += sizeof(struct nd_opt_prefix_info);
struct nd_opt_prefix_info *pi;
if (prefix_check((struct nd_opt_prefix_info *)optp->opt,
prefix_check(struct nd_opt_prefix_info *pinfo,
optlen != sizeof(struct nd_opt_prefix_info))) ||
(struct nd_opt_prefix_info *)hdr;
static int prefix_check(struct nd_opt_prefix_info *, struct rainfo *,