rs_bound_scope_id
sin6->sin6_scope_id = rs->rs_bound_scope_id;
sin6->sin6_scope_id = rs->rs_bound_scope_id;
rs->rs_bound_scope_id &&
sin6->sin6_scope_id != rs->rs_bound_scope_id)) {
rs->rs_bound_scope_id = sin6->sin6_scope_id;
rs->rs_bound_scope_id = scope_id;
rs->rs_bound_scope_id &&
scope_id != rs->rs_bound_scope_id) {
sin6->sin6_scope_id = rs->rs_bound_scope_id;
scope_id = rs->rs_bound_scope_id;
if (scope_id != rs->rs_bound_scope_id) {
scope_id = rs->rs_bound_scope_id;
} else if (rs->rs_bound_scope_id) {