SCTP_MSG_FLAG_ABANDONED
((mp)->b_flag |= SCTP_MSG_FLAG_ABANDONED)
#define SCTP_MSG_CLEAR_ABANDONED(mp)((mp)->b_flag &= ~SCTP_MSG_FLAG_ABANDONED)
#define SCTP_IS_MSG_ABANDONED(mp) ((mp)->b_flag & SCTP_MSG_FLAG_ABANDONED)