TCPOLEN_ACCECN_PERFIELD
TCPOLEN_ACCECN_PERFIELD * \
if (optlen < TCPOLEN_ACCECN_PERFIELD)
if (optlen < TCPOLEN_ACCECN_PERFIELD * 3)
ptr += TCPOLEN_ACCECN_PERFIELD * 2;
if (optlen < TCPOLEN_ACCECN_PERFIELD)
optlen -= TCPOLEN_ACCECN_PERFIELD;
ptr += TCPOLEN_ACCECN_PERFIELD;
opts->num_accecn_fields * TCPOLEN_ACCECN_PERFIELD;
size -= TCPOLEN_ACCECN_PERFIELD;