* absolute query yet (0=not yet, 1=done, -1=must do straight away,
* but not done yet). If flags doesn't have adns_qf_search then
* the vbuf is initialised but empty and everything else is zero.
* absolute query yet (0=not yet, 1=done, -1=must do straight away,
* but not done yet). If flags doesn't have adns_qf_search then
* the vbuf is initialised but empty and everything else is zero.