isc_buffer_getuint16
length = isc_buffer_getuint16(b);
optcode = isc_buffer_getuint16(&optbuf);
optlen = isc_buffer_getuint16(&optbuf);
rdtype = isc_buffer_getuint16(source);
rdclass = isc_buffer_getuint16(source);
rdatalen = isc_buffer_getuint16(source);
msg->id = isc_buffer_getuint16(source);
tmpflags = isc_buffer_getuint16(source);
msg->counts[DNS_SECTION_QUESTION] = isc_buffer_getuint16(source);
msg->counts[DNS_SECTION_ANSWER] = isc_buffer_getuint16(source);
msg->counts[DNS_SECTION_AUTHORITY] = isc_buffer_getuint16(source);
msg->counts[DNS_SECTION_ADDITIONAL] = isc_buffer_getuint16(source);
id = isc_buffer_getuint16(&buffer);
flags = isc_buffer_getuint16(&buffer);
family = isc_buffer_getuint16(ecsbuf);
optcode = isc_buffer_getuint16(&optbuf);
optlen = isc_buffer_getuint16(&optbuf);
id = isc_buffer_getuint16(&optbuf);
isc_buffer_getuint16(&optbuf);
rdtype = isc_buffer_getuint16(source);
rdclass = isc_buffer_getuint16(source);
isc_buffer_getuint16(isc_buffer_t *b);