sctp_gap_ack_block
struct sctp_gap_ack_block *frag;
frag = (struct sctp_gap_ack_block *)((vaddr_t)sack +
if (num_seg * sizeof(struct sctp_gap_ack_block) + sizeof(struct sctp_sack_chunk) > sack_length) {
struct sctp_gap_ack_block *gap_descriptor;
(num_gap_blocks * sizeof(struct sctp_gap_ack_block)) +
calc -= sizeof(struct sctp_gap_ack_block);
fit = calc/sizeof(struct sctp_gap_ack_block);
(num_gap_blocks * sizeof(struct sctp_gap_ack_block)) +
(num_gap_blocks * sizeof(struct sctp_gap_ack_block)) +
gap_descriptor = (struct sctp_gap_ack_block *)((vaddr_t)sack + sizeof(struct sctp_sack_chunk));