|| !PACKET_get_bookmark(pkt, &bm)
|| !PACKET_forward(pkt, BUF_LEN - 2)
|| PACKET_forward(pkt, 1)
|| !PACKET_back(pkt, 1)
|| !PACKET_get_bytes(pkt, &byte, 1)
|| !PACKET_get_bookmark(pkt, &bm)
|| !PACKET_forward(pkt, BUF_LEN - 2)
|| PACKET_forward(pkt, 1)
|| !PACKET_back(pkt, 1)
|| !PACKET_get_bytes(pkt, &byte, 1)