smpls_label
su->smpls.smpls_label = htonl(label);
if (cache_rt->ro_rt == NULL || smpls->smpls_label != label) {
smpls->smpls_label = htonl(label);
error = mpls_swap(m, ntohl(smpls->smpls_label));
ntohl(smpls->smpls_label),
ntohl(smpls->smpls_label));
(void) sprintf(workbuf, "%d", ntohl(smpls->smpls_label));