ub_rrset_sizefunc
startarray, maxmem, ub_rrset_sizefunc, ub_rrset_compare,
size_t ub_rrset_sizefunc(void* key, void* data);
else if(fptr == &ub_rrset_sizefunc) return 1;
s += ub_rrset_sizefunc(key, data);
startarray, maxmem, ub_rrset_sizefunc, ub_rrset_compare,
size_t ub_rrset_sizefunc(void* key, void* data);
else if(fptr == &ub_rrset_sizefunc) return 1;