sctp_select_a_tag
asoc->my_vtag_nonce = sctp_select_a_tag(inp);
asoc->peer_vtag_nonce = sctp_select_a_tag(inp);
initackm_out->msg.init.initiate_tag = htonl(sctp_select_a_tag(inp));
asoc->my_vtag = sctp_select_a_tag(m);
u_int32_t sctp_select_a_tag(struct sctp_inpcb *);