kmf_oid_to_string
kmf_oid_to_string(&plc->eku_set.ekulist[i]),
extern char *kmf_oid_to_string(KMF_OID *);
char *s = kmf_oid_to_string(&ekus->ekulist[i]);
if (!found && (attr = kmf_oid_to_string(rdn_oid)) == NULL) {