-/*Per-CCID convert functions*/
-int ccid2_convert_packet(struct packet *new, const struct const_packet* old);
+/*Half Connection/Sequence number functions*/
+u_int32_t initialize_hcon(struct hcon *hcn, __be32 initial);
+u_int32_t add_new_seq(struct hcon *hcn, __be32 num, int size, enum dccp_pkt_type type);
+u_int32_t convert_ack(struct hcon *hcn, __be32 num, struct hcon *o_hcn);
+int acked_packet_size(struct hcon *hcn, __be32 num);
+unsigned int interp_ack_vect(u_char* hdr);