AX25_CBIT
if (buf[6] & AX25_CBIT)
if (buf[13] & AX25_CBIT)
buf[6] &= ~(AX25_EBIT | AX25_CBIT);
if (flag == AX25_COMMAND) buf[6] |= AX25_CBIT;
buf[6] &= ~(AX25_EBIT | AX25_CBIT);
if (flag == AX25_RESPONSE) buf[6] |= AX25_CBIT;
bp[7] &= ~AX25_CBIT;
bp[14] &= ~AX25_CBIT;
buff[6] &= ~AX25_CBIT;
buff[6] &= ~AX25_CBIT;
buff[6] &= ~AX25_CBIT;
buff[6] &= ~AX25_CBIT;
dptr[6] &= ~AX25_CBIT;
dptr[6] &= ~AX25_CBIT;
dptr[6] &= ~AX25_CBIT;
dptr[6] &= ~AX25_CBIT;
dptr[6] &= ~AX25_CBIT;
dptr[6] &= ~AX25_CBIT;