| lwIP
    2.1.2
    Lightweight IP stack | 
| Macros | |
| #define | netif_set_client_data(netif, id, data) netif_get_client_data(netif, id) = (data) | 
| #define | netif_get_client_data(netif, id) (netif)->client_data[(id)] | 
| Functions | |
| u8_t | netif_alloc_client_data_id (void) | 
Store data (void*) on a netif for application usage.
Get client data. Obtain ID from netif_alloc_client_data_id().
| #define netif_set_client_data | ( | netif, | |
| id, | |||
| data | |||
| ) | netif_get_client_data(netif, id) = (data) | 
Set client data. Obtain ID from netif_alloc_client_data_id().
| u8_t netif_alloc_client_data_id | ( | void | ) | 
Allocate an index to store data in client_data member of struct netif. Returned value is an index in mentioned array.