sctp_get_frag_point
siz = sctp_get_frag_point(stcb, asoc);
frag_size = sctp_get_frag_point(stcb, asoc);
int sctp_get_frag_point(struct sctp_tcb *, struct sctp_association *);
*segsize = sctp_get_frag_point(stcb, &stcb->asoc);
*segsize = sctp_get_frag_point(stcb, &stcb->asoc);
sstat->sstat_fragmentation_point = sctp_get_frag_point(stcb, &stcb->asoc);