PTR_OFFSET
d1 = sldns_buffer_begin(pkt)+PTR_OFFSET(len1, *d1);
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
ptr = PTR_OFFSET(labellen, sldns_buffer_read_u8(pkt));
if((size_t)PTR_OFFSET(len1, *d1)
d1 = sldns_buffer_at(pkt, PTR_OFFSET(len1, *d1));
if((size_t)PTR_OFFSET(len2, *d2)
d2 = sldns_buffer_at(pkt, PTR_OFFSET(len2, *d2));
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
if((size_t)PTR_OFFSET(dnow[0], dnow[1])
p = sldns_buffer_at(pkt, PTR_OFFSET(dnow[0], dnow[1]));
d1 = sldns_buffer_begin(pkt)+PTR_OFFSET(len1, *d1);
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
ptr = PTR_OFFSET(labellen, sldns_buffer_read_u8(pkt));
if((size_t)PTR_OFFSET(len1, *d1)
d1 = sldns_buffer_at(pkt, PTR_OFFSET(len1, *d1));
if((size_t)PTR_OFFSET(len2, *d2)
d2 = sldns_buffer_at(pkt, PTR_OFFSET(len2, *d2));
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
if((size_t)PTR_OFFSET(lablen, *dname)
dname = sldns_buffer_at(pkt, PTR_OFFSET(lablen, *dname));
if((size_t)PTR_OFFSET(dnow[0], dnow[1])
p = sldns_buffer_at(pkt, PTR_OFFSET(dnow[0], dnow[1]));