55   pdu->max_opt = 0;  in coap_pdu_clear()
217     pdu->max_opt = old_pdu->max_opt;  in coap_pdu_duplicate()
352   pdu->max_opt = 0;  in coap_add_token()
509     pdu->max_opt -= decode_this.delta;  in coap_remove_option()
573   if (number >= pdu->max_opt)  in coap_insert_option()
708   if (number == pdu->max_opt) {  in coap_add_option_internal()
729   if (number < pdu->max_opt) {  in coap_add_option_internal()
734   optsize = coap_opt_encode_size(number - pdu->max_opt, len);  in coap_add_option_internal()
751                             number - pdu->max_opt, data, len);  in coap_add_option_internal()
758     pdu->max_opt = number;  in coap_add_option_internal()
888 next_option_safe(coap_opt_t **optp, size_t *length, uint16_t *max_opt) {  in next_option_safe()  argument
902     if (*max_opt + option.delta > COAP_MAX_OPT) {  in next_option_safe()
905     *max_opt += option.delta;  in next_option_safe()
1053     switch (pdu->max_opt) {  in coap_pdu_parse_opt_csm()
1067       if (pdu->max_opt & 0x01)  in coap_pdu_parse_opt_csm()
1073     switch (pdu->max_opt) {  in coap_pdu_parse_opt_csm()
1079       if (pdu->max_opt & 0x01)  in coap_pdu_parse_opt_csm()
1084     switch (pdu->max_opt) {  in coap_pdu_parse_opt_csm()
1094       if (pdu->max_opt & 0x01)  in coap_pdu_parse_opt_csm()
1099     switch (pdu->max_opt) {  in coap_pdu_parse_opt_csm()
1105       if (pdu->max_opt & 0x01)  in coap_pdu_parse_opt_csm()
1121   switch (pdu->max_opt) {  in coap_pdu_parse_opt_base()
1274   pdu->max_opt = 0;  in coap_pdu_parse_opt()
1288       size_t optsize = next_option_safe(&opt, &length, &pdu->max_opt);  in coap_pdu_parse_opt()
1303                       (int)(opt_last - pdu->token - pdu->e_token_length), pdu->max_opt,  in coap_pdu_parse_opt()
1325         pdu->max_opt = 0;  in coap_pdu_parse_opt()
1332           size_t optsize = next_option_safe(&opt, &length, &pdu->max_opt);  in coap_pdu_parse_opt()