ACK
case ACK:
ap->th_opcode = htons((u_short)ACK);
ap->th_opcode = htons((u_short)ACK); /* send the "final" ack */
case ACK:
if (ixpnpe_recvmsg(sc->sc_npe, msg) == 0 && msg[0] == ACK) {
tftp->th_opcode = htons((short)ACK);
wbuf.t.th_opcode = htons((u_short)ACK);
wbuf.t.th_opcode = htons((u_short)ACK);
pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG);
if (ap->th_opcode == ACK) {
ap->th_opcode = htons((u_short)ACK);
ap->th_opcode = htons(ACK);
ap->th_opcode = htons((u_short)ACK); /* has seen err msg */
case ACK: