+ if (siso->siso_tlen == 0)
+ goto noname;
+ if ((isop->isop_socket->so_options & SO_REUSEADDR) == 0 &&
+ iso_pcblookup(head, 0, (caddr_t)0, isop->isop_laddr))
+ return EADDRINUSE;
+ if (siso->siso_tlen <= 2) {
+ bcopy(TSEL(siso), suf.data, sizeof(suf.data));
+ suf.s = ntohs(suf.s);
+ if((suf.s < ISO_PORT_RESERVED) &&
+ (isop->isop_socket->so_state && SS_PRIV) == 0)