tcp_sack
tcp_sack* sacks)
int PopulateSackInfo(tcp_sequence sequence, int maxSackCount, tcp_sack* sacks);
int sackCount = ((int)(bufferSize - length) - 4) / sizeof(tcp_sack);
option->length = 2 + sackCount * sizeof(tcp_sack);
memcpy(option->sack, segment.sacks, sackCount * sizeof(tcp_sack));
/ sizeof(tcp_sack), MAX_SACK_BLKS);
/ sizeof(tcp_sack)), segment.sackCount);
length += 4 + sackCount * sizeof(tcp_sack);
tcp_sack sack[0];
tcp_sack sacks[MAX_SACK_BLKS];