173   coap_opt_t *opt;  in coap_add_option()  local
183   opt = (unsigned char *)pdu->hdr + pdu->length;  in coap_add_option()
186   optsize = coap_opt_encode(opt, pdu->max_size - pdu->length,   in coap_add_option()
205   coap_opt_t *opt;  in coap_add_option_later()  local
215   opt = (unsigned char *)pdu->hdr + pdu->length;  in coap_add_option_later()
218   optsize = coap_opt_encode(opt, pdu->max_size - pdu->length,  in coap_add_option_later()
230   return ((unsigned char*)opt) + optsize - len;  in coap_add_option_later()
342   coap_opt_t *opt;  in coap_pdu_parse()  local
397   opt = (unsigned char *)(pdu->hdr + 1) + pdu->hdr->token_length;  in coap_pdu_parse()
399   while (length && *opt != COAP_PAYLOAD_START) {  in coap_pdu_parse()
400     if (!next_option_safe(&opt, (size_t *)&length)) {  in coap_pdu_parse()
408     assert(*opt == COAP_PAYLOAD_START);  in coap_pdu_parse()
409     opt++; length--;  in coap_pdu_parse()
416     debug("set data to %p (pdu ends at %p)\n", (unsigned char *)opt,   in coap_pdu_parse()
418     pdu->data = (unsigned char *)opt;  in coap_pdu_parse()