| lwIP
    2.0.3
    Lightweight IP stack | 
#include <tcp.h>
| Data Fields | |
| ip_addr_t | local_ip | 
| struct tcp_pcb_listen * | next | 
the TCP protocol control block for listening pcbs
| ip_addr_t tcp_pcb_listen::local_ip | 
Common members of all PCB types
| struct tcp_pcb_listen* tcp_pcb_listen::next | 
Protocol specific PCB members