sctp_send_abort
sctp_send_abort(m, iphlen, sh, 0, NULL);
sctp_send_abort(init_pkt, iphlen, sh, 0, NULL);
sctp_send_abort(init_pkt, iphlen, sh, init_chk->init.initiate_tag, op_err);
sctp_send_abort(init_pkt, iphlen, sh, 0, NULL);
void sctp_send_abort(struct mbuf *, int, struct sctphdr *, uint32_t,
sctp_send_abort(m, iphlen, sh, vtag, op_err);
sctp_send_abort(m, iphlen, sh, 0, op_err);
sctp_send_abort(m, iphlen, sh, 0, NULL);