nd6_options
if (nd6_options(&ndopts) < 0) {
int nd6_options(union nd_opts *);
if (nd6_options(&ndopts) < 0) {
if (nd6_options(&ndopts) < 0) {
if (nd6_options(&ndopts) < 0) {
if (nd6_options((struct nd_opt_hdr *)(ra + 1),
static int nd6_options(struct nd_opt_hdr *, int, union nd_opts *, uint32_t);
if (nd6_options((struct nd_opt_hdr *)(rs + 1),