File list (Check if you may need any files):
lwip\api\api_lib.c
....\...\api_msg.c
....\...\err.c
....\...\netbuf.c
....\...\netdb.c
....\...\netifapi.c
....\...\sockets.c
....\...\tcpip.c
....\core\def.c
....\....\dhcp.c
....\....\dns.c
....\....\init.c
....\....\.pv4\autoip.c
....\....\....\icmp.c
....\....\....\igmp.c
....\....\....\inet.c
....\....\....\inet_chksum.c
....\....\....\ip.c
....\....\....\ip_addr.c
....\....\....\ip_frag.c
....\....\...6\icmp6.c
....\....\....\inet6.c
....\....\....\ip6.c
....\....\....\ip6_addr.c
....\....\....\README
....\....\mem.c
....\....\memp.c
....\....\netif.c
....\....\pbuf.c
....\....\raw.c
....\....\snmp\asn1_dec.c
....\....\....\asn1_enc.c
....\....\....\mib2.c
....\....\....\mib_structs.c
....\....\....\msg_in.c
....\....\....\msg_out.c
....\....\stats.c
....\....\sys.c
....\....\tcp.c
....\....\tcp_in.c
....\....\tcp_out.c
....\....\timers.c
....\....\udp.c
....\netif\etharp.c
....\.....\ethernetif.c
....\.....\FILES
....\.....\slipif.c
....\port\EMAC.c
....\....\sys_arch.c
....\core\ipv4
....\....\ipv6
....\....\snmp
....\api
....\core
....\netif
....\port
lwip