| lwIP
    2.0.3
    Lightweight IP stack | 
#include <pbuf.h>
| Data Fields | |
| struct pbuf * | next | 
| const void * | payload | 
Helper struct for const-correctness only. The only meaning of this one is to provide a const payload pointer for PBUF_ROM type.
| struct pbuf* pbuf_rom::next | 
next pbuf in singly linked pbuf chain
| const void* pbuf_rom::payload | 
pointer to the actual data in the buffer