19     coap_log(LOG_DEBUG, "cannot advance opt past end\n"); \
52       coap_log(LOG_DEBUG, "ignored reserved option delta 15\n");  in coap_opt_parse()
62       coap_log(LOG_DEBUG, "delta too large\n");  in coap_opt_parse()
77     coap_log(LOG_DEBUG, "found reserved option length 15\n");  in coap_opt_parse()
101     coap_log(LOG_DEBUG, "invalid option length\n");  in coap_opt_parse()
220     coap_log(LOG_DEBUG, "illegal option delta\n");  in coap_opt_length()
236     coap_log(LOG_DEBUG, "illegal option length\n");  in coap_opt_length()
256     coap_log(LOG_DEBUG, "illegal option delta\n");  in coap_opt_value()
270     coap_log(LOG_DEBUG, "illegal option length\n");  in coap_opt_value()
307       coap_log(LOG_DEBUG, "insufficient space to encode option delta %d\n",  in coap_opt_setheader()
316       coap_log(LOG_DEBUG, "insufficient space to encode option delta %d\n",  in coap_opt_setheader()
330       coap_log(LOG_DEBUG, "insufficient space to encode option length %zu\n",  in coap_opt_setheader()
339       coap_log(LOG_DEBUG, "insufficient space to encode option delta %d\n",  in coap_opt_setheader()
382     coap_log(LOG_DEBUG, "coap_opt_encode: cannot set option header\n");  in coap_opt_encode()
390     coap_log(LOG_DEBUG, "coap_opt_encode: option too large for buffer\n");  in coap_opt_encode()
570     coap_log(LOG_DEBUG, "optlist not provided\n");  in coap_insert_optlist()