59 #ifndef LWIP_HDR_NETIF_SLIPIF_H    60 #define LWIP_HDR_NETIF_SLIPIF_H    68 #ifndef SLIP_USE_RX_THREAD    69 #define SLIP_USE_RX_THREAD !NO_SYS    77 #ifndef SLIP_RX_FROM_ISR    78 #define SLIP_RX_FROM_ISR 0    86 #define SLIP_RX_QUEUE SLIP_RX_FROM_ISR    96 void slipif_process_rxqueue(
struct netif *netif);
    97 void slipif_received_byte(
struct netif *netif, u8_t data);
    98 void slipif_received_bytes(
struct netif *netif, u8_t *data, u8_t 
len);
 err_t slipif_init(struct netif *netif)
 
void slipif_poll(struct netif *netif)