PPP_CONFIGURE_ACK
lcpheader.code = PPP_CONFIGURE_ACK;
case PPP_CONFIGURE_ACK:
if ((data.code == PPP_CONFIGURE_ACK || data.code == PPP_CONFIGURE_NAK)
case PPP_CONFIGURE_ACK:
ack.code = PPP_CONFIGURE_ACK;
case PPP_CONFIGURE_ACK:
header.code = PPP_CONFIGURE_ACK;