Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

• buffptr : fdserial_struct
• mode : fdserial_struct
• rx_head : fdserial_struct
• rx_pin : fdserial_struct
• rx_tail : fdserial_struct
• ticks : fdserial_struct
• tx_head : fdserial_struct
• tx_pin : fdserial_struct
• tx_tail : fdserial_struct