sctp_sack_variable
union sctp_sack_variable *frags;
frags = (union sctp_sack_variable *)(sack + 1);
union sctp_sack_variable *frags =
(union sctp_sack_variable *)(sack + 1);
union sctp_sack_variable *frags;
frags = (union sctp_sack_variable *)(sack + 1);