for (int i = 0; i < sizeof(unsigned short); ++i)
    {
        if((pkt & 1) > 0)
        {
            /* call correct function for bit at index 'i' with
               remaining packet data (minus these 2 header bytes) */
        }
        pkt >> 1;
    }

char val = pkt[0]
    switch (val)
    {
         case 65:
             /* call relevant function */
             break;
         case 66:
             /* call relevant function */
             break;

    }