sackblk          1510 net/pf.c       	struct sackblk sack;
sackblk          2448 netinet/tcp_input.c 	struct sackblk sack, firstsack, temp[MAX_SACK_BLKS];
sackblk          2560 netinet/tcp_input.c 		struct sackblk sack;
sackblk           646 netinet/tcp_output.c 			struct sackblk sack = tp->sackblks[i];
sackblk            42 netinet/tcp_var.h struct sackblk {
sackblk           137 netinet/tcp_var.h 	struct sackblk sackblks[MAX_SACK_BLKS]; /* seq nos. of sack blocks */