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rename from ext/lwip/src/core/ipv6/ip6_addr.c
rename to ext/lwip_2.0.0/src/core/ipv6/ip6_addr.c
diff --git a/ext/lwip/src/core/ipv6/ip6_frag.c b/ext/lwip_2.0.0/src/core/ipv6/ip6_frag.c
similarity index 100%
rename from ext/lwip/src/core/ipv6/ip6_frag.c
rename to ext/lwip_2.0.0/src/core/ipv6/ip6_frag.c
diff --git a/ext/lwip/src/core/ipv6/mld6.c b/ext/lwip_2.0.0/src/core/ipv6/mld6.c
similarity index 100%
rename from ext/lwip/src/core/ipv6/mld6.c
rename to ext/lwip_2.0.0/src/core/ipv6/mld6.c
diff --git a/ext/lwip/src/core/ipv6/nd6.c b/ext/lwip_2.0.0/src/core/ipv6/nd6.c
similarity index 100%
rename from ext/lwip/src/core/ipv6/nd6.c
rename to ext/lwip_2.0.0/src/core/ipv6/nd6.c
diff --git a/ext/lwip/src/core/mem.c b/ext/lwip_2.0.0/src/core/mem.c
similarity index 100%
rename from ext/lwip/src/core/mem.c
rename to ext/lwip_2.0.0/src/core/mem.c
diff --git a/ext/lwip/src/core/memp.c b/ext/lwip_2.0.0/src/core/memp.c
similarity index 100%
rename from ext/lwip/src/core/memp.c
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diff --git a/ext/lwip/src/core/netif.c b/ext/lwip_2.0.0/src/core/netif.c
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rename from ext/lwip/src/core/netif.c
rename to ext/lwip_2.0.0/src/core/netif.c
diff --git a/ext/lwip/src/core/pbuf.c b/ext/lwip_2.0.0/src/core/pbuf.c
similarity index 100%
rename from ext/lwip/src/core/pbuf.c
rename to ext/lwip_2.0.0/src/core/pbuf.c
diff --git a/ext/lwip/src/core/raw.c b/ext/lwip_2.0.0/src/core/raw.c
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rename from ext/lwip/src/core/raw.c
rename to ext/lwip_2.0.0/src/core/raw.c
diff --git a/ext/lwip/src/core/stats.c b/ext/lwip_2.0.0/src/core/stats.c
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rename from ext/lwip/src/core/stats.c
rename to ext/lwip_2.0.0/src/core/stats.c
diff --git a/ext/lwip/src/core/sys.c b/ext/lwip_2.0.0/src/core/sys.c
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rename from ext/lwip/src/core/sys.c
rename to ext/lwip_2.0.0/src/core/sys.c
diff --git a/ext/lwip/src/core/tcp.c b/ext/lwip_2.0.0/src/core/tcp.c
similarity index 100%
rename from ext/lwip/src/core/tcp.c
rename to ext/lwip_2.0.0/src/core/tcp.c
diff --git a/ext/lwip/src/core/tcp_in.c b/ext/lwip_2.0.0/src/core/tcp_in.c
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rename from ext/lwip/src/core/tcp_in.c
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diff --git a/ext/lwip/src/core/tcp_out.c b/ext/lwip_2.0.0/src/core/tcp_out.c
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rename from ext/lwip/src/core/tcp_out.c
rename to ext/lwip_2.0.0/src/core/tcp_out.c
diff --git a/ext/lwip/src/core/timeouts.c b/ext/lwip_2.0.0/src/core/timeouts.c
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rename from ext/lwip/src/core/timeouts.c
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diff --git a/ext/lwip/src/core/udp.c b/ext/lwip_2.0.0/src/core/udp.c
similarity index 100%
rename from ext/lwip/src/core/udp.c
rename to ext/lwip_2.0.0/src/core/udp.c
diff --git a/ext/lwip/src/include/arch/cc.h b/ext/lwip_2.0.0/src/include/arch/cc.h
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rename from ext/lwip/src/include/arch/cc.h
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diff --git a/ext/lwip/src/include/arch/perf.h b/ext/lwip_2.0.0/src/include/arch/perf.h
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rename from ext/lwip/src/include/arch/perf.h
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diff --git a/ext/lwip/src/include/arch/sys_arch.h b/ext/lwip_2.0.0/src/include/arch/sys_arch.h
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rename from ext/lwip/src/include/arch/sys_arch.h
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diff --git a/ext/lwip/src/include/lwip/api.h b/ext/lwip_2.0.0/src/include/lwip/api.h
similarity index 100%
rename from ext/lwip/src/include/lwip/api.h
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diff --git a/ext/lwip/src/include/lwip/apps/FILES b/ext/lwip_2.0.0/src/include/lwip/apps/FILES
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/FILES
rename to ext/lwip_2.0.0/src/include/lwip/apps/FILES
diff --git a/ext/lwip/src/include/lwip/apps/fs.h b/ext/lwip_2.0.0/src/include/lwip/apps/fs.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/fs.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/fs.h
diff --git a/ext/lwip/src/include/lwip/apps/httpd.h b/ext/lwip_2.0.0/src/include/lwip/apps/httpd.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/httpd.h
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diff --git a/ext/lwip/src/include/lwip/apps/httpd_opts.h b/ext/lwip_2.0.0/src/include/lwip/apps/httpd_opts.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/httpd_opts.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/httpd_opts.h
diff --git a/ext/lwip/src/include/lwip/apps/lwiperf.h b/ext/lwip_2.0.0/src/include/lwip/apps/lwiperf.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/lwiperf.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/lwiperf.h
diff --git a/ext/lwip/src/include/lwip/apps/mdns.h b/ext/lwip_2.0.0/src/include/lwip/apps/mdns.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/mdns.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/mdns.h
diff --git a/ext/lwip/src/include/lwip/apps/mdns_opts.h b/ext/lwip_2.0.0/src/include/lwip/apps/mdns_opts.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/mdns_opts.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/mdns_opts.h
diff --git a/ext/lwip/src/include/lwip/apps/mdns_priv.h b/ext/lwip_2.0.0/src/include/lwip/apps/mdns_priv.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/mdns_priv.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/mdns_priv.h
diff --git a/ext/lwip/src/include/lwip/apps/netbiosns.h b/ext/lwip_2.0.0/src/include/lwip/apps/netbiosns.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/netbiosns.h
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diff --git a/ext/lwip/src/include/lwip/apps/netbiosns_opts.h b/ext/lwip_2.0.0/src/include/lwip/apps/netbiosns_opts.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/netbiosns_opts.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/netbiosns_opts.h
diff --git a/ext/lwip/src/include/lwip/apps/snmp.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmp.h
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rename from ext/lwip/src/include/lwip/apps/snmp.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/snmp.h
diff --git a/ext/lwip/src/include/lwip/apps/snmp_core.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmp_core.h
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rename from ext/lwip/src/include/lwip/apps/snmp_core.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/snmp_core.h
diff --git a/ext/lwip/src/include/lwip/apps/snmp_mib2.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmp_mib2.h
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rename from ext/lwip/src/include/lwip/apps/snmp_mib2.h
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diff --git a/ext/lwip/src/include/lwip/apps/snmp_opts.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmp_opts.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/snmp_opts.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/snmp_opts.h
diff --git a/ext/lwip/src/include/lwip/apps/snmp_scalar.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmp_scalar.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/snmp_scalar.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/snmp_scalar.h
diff --git a/ext/lwip/src/include/lwip/apps/snmp_table.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmp_table.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/snmp_table.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/snmp_table.h
diff --git a/ext/lwip/src/include/lwip/apps/snmp_threadsync.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmp_threadsync.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/snmp_threadsync.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/snmp_threadsync.h
diff --git a/ext/lwip/src/include/lwip/apps/snmpv3.h b/ext/lwip_2.0.0/src/include/lwip/apps/snmpv3.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/snmpv3.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/snmpv3.h
diff --git a/ext/lwip/src/include/lwip/apps/sntp.h b/ext/lwip_2.0.0/src/include/lwip/apps/sntp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/sntp.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/sntp.h
diff --git a/ext/lwip/src/include/lwip/apps/sntp_opts.h b/ext/lwip_2.0.0/src/include/lwip/apps/sntp_opts.h
similarity index 100%
rename from ext/lwip/src/include/lwip/apps/sntp_opts.h
rename to ext/lwip_2.0.0/src/include/lwip/apps/sntp_opts.h
diff --git a/ext/lwip/src/include/lwip/arch.h b/ext/lwip_2.0.0/src/include/lwip/arch.h
similarity index 100%
rename from ext/lwip/src/include/lwip/arch.h
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diff --git a/ext/lwip/src/include/lwip/autoip.h b/ext/lwip_2.0.0/src/include/lwip/autoip.h
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rename from ext/lwip/src/include/lwip/autoip.h
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diff --git a/ext/lwip/src/include/lwip/debug.h b/ext/lwip_2.0.0/src/include/lwip/debug.h
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rename from ext/lwip/src/include/lwip/debug.h
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diff --git a/ext/lwip/src/include/lwip/def.h b/ext/lwip_2.0.0/src/include/lwip/def.h
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rename from ext/lwip/src/include/lwip/def.h
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diff --git a/ext/lwip/src/include/lwip/dhcp.h b/ext/lwip_2.0.0/src/include/lwip/dhcp.h
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rename from ext/lwip/src/include/lwip/dhcp.h
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diff --git a/ext/lwip/src/include/lwip/dhcp6.h b/ext/lwip_2.0.0/src/include/lwip/dhcp6.h
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rename from ext/lwip/src/include/lwip/dhcp6.h
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diff --git a/ext/lwip/src/include/lwip/dns.h b/ext/lwip_2.0.0/src/include/lwip/dns.h
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rename from ext/lwip/src/include/lwip/dns.h
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diff --git a/ext/lwip/src/include/lwip/err.h b/ext/lwip_2.0.0/src/include/lwip/err.h
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rename from ext/lwip/src/include/lwip/err.h
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diff --git a/ext/lwip/src/include/lwip/etharp.h b/ext/lwip_2.0.0/src/include/lwip/etharp.h
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diff --git a/ext/lwip/src/include/lwip/ethip6.h b/ext/lwip_2.0.0/src/include/lwip/ethip6.h
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rename from ext/lwip/src/include/lwip/ethip6.h
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diff --git a/ext/lwip/src/include/lwip/icmp.h b/ext/lwip_2.0.0/src/include/lwip/icmp.h
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diff --git a/ext/lwip/src/include/lwip/icmp6.h b/ext/lwip_2.0.0/src/include/lwip/icmp6.h
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rename from ext/lwip/src/include/lwip/icmp6.h
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diff --git a/ext/lwip/src/include/lwip/igmp.h b/ext/lwip_2.0.0/src/include/lwip/igmp.h
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rename from ext/lwip/src/include/lwip/igmp.h
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diff --git a/ext/lwip/src/include/lwip/inet.h b/ext/lwip_2.0.0/src/include/lwip/inet.h
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rename from ext/lwip/src/include/lwip/inet.h
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diff --git a/ext/lwip/src/include/lwip/inet_chksum.h b/ext/lwip_2.0.0/src/include/lwip/inet_chksum.h
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diff --git a/ext/lwip/src/include/lwip/init.h b/ext/lwip_2.0.0/src/include/lwip/init.h
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diff --git a/ext/lwip/src/include/lwip/ip.h b/ext/lwip_2.0.0/src/include/lwip/ip.h
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rename from ext/lwip/src/include/lwip/ip.h
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diff --git a/ext/lwip/src/include/lwip/ip4.h b/ext/lwip_2.0.0/src/include/lwip/ip4.h
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rename from ext/lwip/src/include/lwip/ip4.h
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diff --git a/ext/lwip/src/include/lwip/ip4_addr.h b/ext/lwip_2.0.0/src/include/lwip/ip4_addr.h
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rename from ext/lwip/src/include/lwip/ip4_addr.h
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diff --git a/ext/lwip/src/include/lwip/ip4_frag.h b/ext/lwip_2.0.0/src/include/lwip/ip4_frag.h
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rename from ext/lwip/src/include/lwip/ip4_frag.h
rename to ext/lwip_2.0.0/src/include/lwip/ip4_frag.h
diff --git a/ext/lwip/src/include/lwip/ip6.h b/ext/lwip_2.0.0/src/include/lwip/ip6.h
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rename from ext/lwip/src/include/lwip/ip6.h
rename to ext/lwip_2.0.0/src/include/lwip/ip6.h
diff --git a/ext/lwip/src/include/lwip/ip6_addr.h b/ext/lwip_2.0.0/src/include/lwip/ip6_addr.h
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rename from ext/lwip/src/include/lwip/ip6_addr.h
rename to ext/lwip_2.0.0/src/include/lwip/ip6_addr.h
diff --git a/ext/lwip/src/include/lwip/ip6_frag.h b/ext/lwip_2.0.0/src/include/lwip/ip6_frag.h
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rename from ext/lwip/src/include/lwip/ip6_frag.h
rename to ext/lwip_2.0.0/src/include/lwip/ip6_frag.h
diff --git a/ext/lwip/src/include/lwip/ip_addr.h b/ext/lwip_2.0.0/src/include/lwip/ip_addr.h
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rename from ext/lwip/src/include/lwip/ip_addr.h
rename to ext/lwip_2.0.0/src/include/lwip/ip_addr.h
diff --git a/ext/lwip/src/include/lwip/mem.h b/ext/lwip_2.0.0/src/include/lwip/mem.h
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rename from ext/lwip/src/include/lwip/mem.h
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diff --git a/ext/lwip/src/include/lwip/memp.h b/ext/lwip_2.0.0/src/include/lwip/memp.h
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rename from ext/lwip/src/include/lwip/memp.h
rename to ext/lwip_2.0.0/src/include/lwip/memp.h
diff --git a/ext/lwip/src/include/lwip/mld6.h b/ext/lwip_2.0.0/src/include/lwip/mld6.h
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rename from ext/lwip/src/include/lwip/mld6.h
rename to ext/lwip_2.0.0/src/include/lwip/mld6.h
diff --git a/ext/lwip/src/include/lwip/nd6.h b/ext/lwip_2.0.0/src/include/lwip/nd6.h
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rename from ext/lwip/src/include/lwip/nd6.h
rename to ext/lwip_2.0.0/src/include/lwip/nd6.h
diff --git a/ext/lwip/src/include/lwip/netbuf.h b/ext/lwip_2.0.0/src/include/lwip/netbuf.h
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rename from ext/lwip/src/include/lwip/netbuf.h
rename to ext/lwip_2.0.0/src/include/lwip/netbuf.h
diff --git a/ext/lwip/src/include/lwip/netdb.h b/ext/lwip_2.0.0/src/include/lwip/netdb.h
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rename from ext/lwip/src/include/lwip/netdb.h
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diff --git a/ext/lwip/src/include/lwip/netif.h b/ext/lwip_2.0.0/src/include/lwip/netif.h
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rename from ext/lwip/src/include/lwip/netif.h
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diff --git a/ext/lwip/src/include/lwip/netifapi.h b/ext/lwip_2.0.0/src/include/lwip/netifapi.h
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rename from ext/lwip/src/include/lwip/netifapi.h
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diff --git a/ext/lwip/src/include/lwip/opt.h b/ext/lwip_2.0.0/src/include/lwip/opt.h
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rename from ext/lwip/src/include/lwip/opt.h
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diff --git a/ext/lwip/src/include/lwip/pbuf.h b/ext/lwip_2.0.0/src/include/lwip/pbuf.h
similarity index 100%
rename from ext/lwip/src/include/lwip/pbuf.h
rename to ext/lwip_2.0.0/src/include/lwip/pbuf.h
diff --git a/ext/lwip/src/include/lwip/priv/api_msg.h b/ext/lwip_2.0.0/src/include/lwip/priv/api_msg.h
similarity index 100%
rename from ext/lwip/src/include/lwip/priv/api_msg.h
rename to ext/lwip_2.0.0/src/include/lwip/priv/api_msg.h
diff --git a/ext/lwip/src/include/lwip/priv/memp_priv.h b/ext/lwip_2.0.0/src/include/lwip/priv/memp_priv.h
similarity index 100%
rename from ext/lwip/src/include/lwip/priv/memp_priv.h
rename to ext/lwip_2.0.0/src/include/lwip/priv/memp_priv.h
diff --git a/ext/lwip/src/include/lwip/priv/memp_std.h b/ext/lwip_2.0.0/src/include/lwip/priv/memp_std.h
similarity index 100%
rename from ext/lwip/src/include/lwip/priv/memp_std.h
rename to ext/lwip_2.0.0/src/include/lwip/priv/memp_std.h
diff --git a/ext/lwip/src/include/lwip/priv/tcp_priv.h b/ext/lwip_2.0.0/src/include/lwip/priv/tcp_priv.h
similarity index 100%
rename from ext/lwip/src/include/lwip/priv/tcp_priv.h
rename to ext/lwip_2.0.0/src/include/lwip/priv/tcp_priv.h
diff --git a/ext/lwip/src/include/lwip/priv/tcpip_priv.h b/ext/lwip_2.0.0/src/include/lwip/priv/tcpip_priv.h
similarity index 100%
rename from ext/lwip/src/include/lwip/priv/tcpip_priv.h
rename to ext/lwip_2.0.0/src/include/lwip/priv/tcpip_priv.h
diff --git a/ext/lwip/src/include/lwip/prot/autoip.h b/ext/lwip_2.0.0/src/include/lwip/prot/autoip.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/autoip.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/autoip.h
diff --git a/ext/lwip/src/include/lwip/prot/dhcp.h b/ext/lwip_2.0.0/src/include/lwip/prot/dhcp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/dhcp.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/dhcp.h
diff --git a/ext/lwip/src/include/lwip/prot/dns.h b/ext/lwip_2.0.0/src/include/lwip/prot/dns.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/dns.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/dns.h
diff --git a/ext/lwip/src/include/lwip/prot/etharp.h b/ext/lwip_2.0.0/src/include/lwip/prot/etharp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/etharp.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/etharp.h
diff --git a/ext/lwip/src/include/lwip/prot/ethernet.h b/ext/lwip_2.0.0/src/include/lwip/prot/ethernet.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/ethernet.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/ethernet.h
diff --git a/ext/lwip/src/include/lwip/prot/icmp.h b/ext/lwip_2.0.0/src/include/lwip/prot/icmp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/icmp.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/icmp.h
diff --git a/ext/lwip/src/include/lwip/prot/icmp6.h b/ext/lwip_2.0.0/src/include/lwip/prot/icmp6.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/icmp6.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/icmp6.h
diff --git a/ext/lwip/src/include/lwip/prot/igmp.h b/ext/lwip_2.0.0/src/include/lwip/prot/igmp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/igmp.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/igmp.h
diff --git a/ext/lwip/src/include/lwip/prot/ip.h b/ext/lwip_2.0.0/src/include/lwip/prot/ip.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/ip.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/ip.h
diff --git a/ext/lwip/src/include/lwip/prot/ip4.h b/ext/lwip_2.0.0/src/include/lwip/prot/ip4.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/ip4.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/ip4.h
diff --git a/ext/lwip/src/include/lwip/prot/ip6.h b/ext/lwip_2.0.0/src/include/lwip/prot/ip6.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/ip6.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/ip6.h
diff --git a/ext/lwip/src/include/lwip/prot/mld6.h b/ext/lwip_2.0.0/src/include/lwip/prot/mld6.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/mld6.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/mld6.h
diff --git a/ext/lwip/src/include/lwip/prot/nd6.h b/ext/lwip_2.0.0/src/include/lwip/prot/nd6.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/nd6.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/nd6.h
diff --git a/ext/lwip/src/include/lwip/prot/tcp.h b/ext/lwip_2.0.0/src/include/lwip/prot/tcp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/tcp.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/tcp.h
diff --git a/ext/lwip/src/include/lwip/prot/udp.h b/ext/lwip_2.0.0/src/include/lwip/prot/udp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/prot/udp.h
rename to ext/lwip_2.0.0/src/include/lwip/prot/udp.h
diff --git a/ext/lwip/src/include/lwip/raw.h b/ext/lwip_2.0.0/src/include/lwip/raw.h
similarity index 100%
rename from ext/lwip/src/include/lwip/raw.h
rename to ext/lwip_2.0.0/src/include/lwip/raw.h
diff --git a/ext/lwip/src/include/lwip/sio.h b/ext/lwip_2.0.0/src/include/lwip/sio.h
similarity index 100%
rename from ext/lwip/src/include/lwip/sio.h
rename to ext/lwip_2.0.0/src/include/lwip/sio.h
diff --git a/ext/lwip/src/include/lwip/snmp.h b/ext/lwip_2.0.0/src/include/lwip/snmp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/snmp.h
rename to ext/lwip_2.0.0/src/include/lwip/snmp.h
diff --git a/ext/lwip/src/include/lwip/sockets.h b/ext/lwip_2.0.0/src/include/lwip/sockets.h
similarity index 100%
rename from ext/lwip/src/include/lwip/sockets.h
rename to ext/lwip_2.0.0/src/include/lwip/sockets.h
diff --git a/ext/lwip/src/include/lwip/stats.h b/ext/lwip_2.0.0/src/include/lwip/stats.h
similarity index 100%
rename from ext/lwip/src/include/lwip/stats.h
rename to ext/lwip_2.0.0/src/include/lwip/stats.h
diff --git a/ext/lwip/src/include/lwip/sys.h b/ext/lwip_2.0.0/src/include/lwip/sys.h
similarity index 100%
rename from ext/lwip/src/include/lwip/sys.h
rename to ext/lwip_2.0.0/src/include/lwip/sys.h
diff --git a/ext/lwip/src/include/lwip/tcp.h b/ext/lwip_2.0.0/src/include/lwip/tcp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/tcp.h
rename to ext/lwip_2.0.0/src/include/lwip/tcp.h
diff --git a/ext/lwip/src/include/lwip/tcpip.h b/ext/lwip_2.0.0/src/include/lwip/tcpip.h
similarity index 100%
rename from ext/lwip/src/include/lwip/tcpip.h
rename to ext/lwip_2.0.0/src/include/lwip/tcpip.h
diff --git a/ext/lwip/src/include/lwip/timeouts.h b/ext/lwip_2.0.0/src/include/lwip/timeouts.h
similarity index 100%
rename from ext/lwip/src/include/lwip/timeouts.h
rename to ext/lwip_2.0.0/src/include/lwip/timeouts.h
diff --git a/ext/lwip/src/include/lwip/udp.h b/ext/lwip_2.0.0/src/include/lwip/udp.h
similarity index 100%
rename from ext/lwip/src/include/lwip/udp.h
rename to ext/lwip_2.0.0/src/include/lwip/udp.h
diff --git a/ext/lwip/src/include/netif/etharp.h b/ext/lwip_2.0.0/src/include/netif/etharp.h
similarity index 100%
rename from ext/lwip/src/include/netif/etharp.h
rename to ext/lwip_2.0.0/src/include/netif/etharp.h
diff --git a/ext/lwip/src/include/netif/ethernet.h b/ext/lwip_2.0.0/src/include/netif/ethernet.h
similarity index 100%
rename from ext/lwip/src/include/netif/ethernet.h
rename to ext/lwip_2.0.0/src/include/netif/ethernet.h
diff --git a/ext/lwip/src/include/netif/lowpan6.h b/ext/lwip_2.0.0/src/include/netif/lowpan6.h
similarity index 100%
rename from ext/lwip/src/include/netif/lowpan6.h
rename to ext/lwip_2.0.0/src/include/netif/lowpan6.h
diff --git a/ext/lwip/src/include/netif/lowpan6_opts.h b/ext/lwip_2.0.0/src/include/netif/lowpan6_opts.h
similarity index 100%
rename from ext/lwip/src/include/netif/lowpan6_opts.h
rename to ext/lwip_2.0.0/src/include/netif/lowpan6_opts.h
diff --git a/ext/lwip/src/include/netif/ppp/ccp.h b/ext/lwip_2.0.0/src/include/netif/ppp/ccp.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/ccp.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/ccp.h
diff --git a/ext/lwip/src/include/netif/ppp/chap-md5.h b/ext/lwip_2.0.0/src/include/netif/ppp/chap-md5.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/chap-md5.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/chap-md5.h
diff --git a/ext/lwip/src/include/netif/ppp/chap-new.h b/ext/lwip_2.0.0/src/include/netif/ppp/chap-new.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/chap-new.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/chap-new.h
diff --git a/ext/lwip/src/include/netif/ppp/chap_ms.h b/ext/lwip_2.0.0/src/include/netif/ppp/chap_ms.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/chap_ms.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/chap_ms.h
diff --git a/ext/lwip/src/include/netif/ppp/eap.h b/ext/lwip_2.0.0/src/include/netif/ppp/eap.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/eap.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/eap.h
diff --git a/ext/lwip/src/include/netif/ppp/ecp.h b/ext/lwip_2.0.0/src/include/netif/ppp/ecp.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/ecp.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/ecp.h
diff --git a/ext/lwip/src/include/netif/ppp/eui64.h b/ext/lwip_2.0.0/src/include/netif/ppp/eui64.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/eui64.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/eui64.h
diff --git a/ext/lwip/src/include/netif/ppp/fsm.h b/ext/lwip_2.0.0/src/include/netif/ppp/fsm.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/fsm.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/fsm.h
diff --git a/ext/lwip/src/include/netif/ppp/ipcp.h b/ext/lwip_2.0.0/src/include/netif/ppp/ipcp.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/ipcp.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/ipcp.h
diff --git a/ext/lwip/src/include/netif/ppp/ipv6cp.h b/ext/lwip_2.0.0/src/include/netif/ppp/ipv6cp.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/ipv6cp.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/ipv6cp.h
diff --git a/ext/lwip/src/include/netif/ppp/lcp.h b/ext/lwip_2.0.0/src/include/netif/ppp/lcp.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/lcp.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/lcp.h
diff --git a/ext/lwip/src/include/netif/ppp/magic.h b/ext/lwip_2.0.0/src/include/netif/ppp/magic.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/magic.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/magic.h
diff --git a/ext/lwip/src/include/netif/ppp/mppe.h b/ext/lwip_2.0.0/src/include/netif/ppp/mppe.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/mppe.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/mppe.h
diff --git a/ext/lwip/src/include/netif/ppp/polarssl/arc4.h b/ext/lwip_2.0.0/src/include/netif/ppp/polarssl/arc4.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/polarssl/arc4.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/polarssl/arc4.h
diff --git a/ext/lwip/src/include/netif/ppp/polarssl/des.h b/ext/lwip_2.0.0/src/include/netif/ppp/polarssl/des.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/polarssl/des.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/polarssl/des.h
diff --git a/ext/lwip/src/include/netif/ppp/polarssl/md4.h b/ext/lwip_2.0.0/src/include/netif/ppp/polarssl/md4.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/polarssl/md4.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/polarssl/md4.h
diff --git a/ext/lwip/src/include/netif/ppp/polarssl/md5.h b/ext/lwip_2.0.0/src/include/netif/ppp/polarssl/md5.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/polarssl/md5.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/polarssl/md5.h
diff --git a/ext/lwip/src/include/netif/ppp/polarssl/sha1.h b/ext/lwip_2.0.0/src/include/netif/ppp/polarssl/sha1.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/polarssl/sha1.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/polarssl/sha1.h
diff --git a/ext/lwip/src/include/netif/ppp/ppp.h b/ext/lwip_2.0.0/src/include/netif/ppp/ppp.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/ppp.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/ppp.h
diff --git a/ext/lwip/src/include/netif/ppp/ppp_impl.h b/ext/lwip_2.0.0/src/include/netif/ppp/ppp_impl.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/ppp_impl.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/ppp_impl.h
diff --git a/ext/lwip/src/include/netif/ppp/ppp_opts.h b/ext/lwip_2.0.0/src/include/netif/ppp/ppp_opts.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/ppp_opts.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/ppp_opts.h
diff --git a/ext/lwip/src/include/netif/ppp/pppapi.h b/ext/lwip_2.0.0/src/include/netif/ppp/pppapi.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/pppapi.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/pppapi.h
diff --git a/ext/lwip/src/include/netif/ppp/pppcrypt.h b/ext/lwip_2.0.0/src/include/netif/ppp/pppcrypt.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/pppcrypt.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/pppcrypt.h
diff --git a/ext/lwip/src/include/netif/ppp/pppdebug.h b/ext/lwip_2.0.0/src/include/netif/ppp/pppdebug.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/pppdebug.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/pppdebug.h
diff --git a/ext/lwip/src/include/netif/ppp/pppoe.h b/ext/lwip_2.0.0/src/include/netif/ppp/pppoe.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/pppoe.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/pppoe.h
diff --git a/ext/lwip/src/include/netif/ppp/pppol2tp.h b/ext/lwip_2.0.0/src/include/netif/ppp/pppol2tp.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/pppol2tp.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/pppol2tp.h
diff --git a/ext/lwip/src/include/netif/ppp/pppos.h b/ext/lwip_2.0.0/src/include/netif/ppp/pppos.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/pppos.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/pppos.h
diff --git a/ext/lwip/src/include/netif/ppp/upap.h b/ext/lwip_2.0.0/src/include/netif/ppp/upap.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/upap.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/upap.h
diff --git a/ext/lwip/src/include/netif/ppp/vj.h b/ext/lwip_2.0.0/src/include/netif/ppp/vj.h
similarity index 100%
rename from ext/lwip/src/include/netif/ppp/vj.h
rename to ext/lwip_2.0.0/src/include/netif/ppp/vj.h
diff --git a/ext/lwip/src/include/netif/slipif.h b/ext/lwip_2.0.0/src/include/netif/slipif.h
similarity index 100%
rename from ext/lwip/src/include/netif/slipif.h
rename to ext/lwip_2.0.0/src/include/netif/slipif.h
diff --git a/ext/lwip/src/include/posix/netdb.h b/ext/lwip_2.0.0/src/include/posix/netdb.h
similarity index 100%
rename from ext/lwip/src/include/posix/netdb.h
rename to ext/lwip_2.0.0/src/include/posix/netdb.h
diff --git a/ext/lwip/src/include/posix/sys/socket.h b/ext/lwip_2.0.0/src/include/posix/sys/socket.h
similarity index 100%
rename from ext/lwip/src/include/posix/sys/socket.h
rename to ext/lwip_2.0.0/src/include/posix/sys/socket.h
diff --git a/ext/lwip/src/netif/FILES b/ext/lwip_2.0.0/src/netif/FILES
similarity index 100%
rename from ext/lwip/src/netif/FILES
rename to ext/lwip_2.0.0/src/netif/FILES
diff --git a/ext/lwip/src/netif/ethernet.c b/ext/lwip_2.0.0/src/netif/ethernet.c
similarity index 100%
rename from ext/lwip/src/netif/ethernet.c
rename to ext/lwip_2.0.0/src/netif/ethernet.c
diff --git a/ext/lwip/src/netif/ethernetif.c b/ext/lwip_2.0.0/src/netif/ethernetif.c
similarity index 100%
rename from ext/lwip/src/netif/ethernetif.c
rename to ext/lwip_2.0.0/src/netif/ethernetif.c
diff --git a/ext/lwip/src/netif/lowpan6.c b/ext/lwip_2.0.0/src/netif/lowpan6.c
similarity index 100%
rename from ext/lwip/src/netif/lowpan6.c
rename to ext/lwip_2.0.0/src/netif/lowpan6.c
diff --git a/ext/lwip/src/netif/ppp/PPPD_FOLLOWUP b/ext/lwip_2.0.0/src/netif/ppp/PPPD_FOLLOWUP
similarity index 100%
rename from ext/lwip/src/netif/ppp/PPPD_FOLLOWUP
rename to ext/lwip_2.0.0/src/netif/ppp/PPPD_FOLLOWUP
diff --git a/ext/lwip/src/netif/ppp/auth.c b/ext/lwip_2.0.0/src/netif/ppp/auth.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/auth.c
rename to ext/lwip_2.0.0/src/netif/ppp/auth.c
diff --git a/ext/lwip/src/netif/ppp/ccp.c b/ext/lwip_2.0.0/src/netif/ppp/ccp.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/ccp.c
rename to ext/lwip_2.0.0/src/netif/ppp/ccp.c
diff --git a/ext/lwip/src/netif/ppp/chap-md5.c b/ext/lwip_2.0.0/src/netif/ppp/chap-md5.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/chap-md5.c
rename to ext/lwip_2.0.0/src/netif/ppp/chap-md5.c
diff --git a/ext/lwip/src/netif/ppp/chap-new.c b/ext/lwip_2.0.0/src/netif/ppp/chap-new.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/chap-new.c
rename to ext/lwip_2.0.0/src/netif/ppp/chap-new.c
diff --git a/ext/lwip/src/netif/ppp/chap_ms.c b/ext/lwip_2.0.0/src/netif/ppp/chap_ms.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/chap_ms.c
rename to ext/lwip_2.0.0/src/netif/ppp/chap_ms.c
diff --git a/ext/lwip/src/netif/ppp/demand.c b/ext/lwip_2.0.0/src/netif/ppp/demand.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/demand.c
rename to ext/lwip_2.0.0/src/netif/ppp/demand.c
diff --git a/ext/lwip/src/netif/ppp/eap.c b/ext/lwip_2.0.0/src/netif/ppp/eap.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/eap.c
rename to ext/lwip_2.0.0/src/netif/ppp/eap.c
diff --git a/ext/lwip/src/netif/ppp/ecp.c b/ext/lwip_2.0.0/src/netif/ppp/ecp.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/ecp.c
rename to ext/lwip_2.0.0/src/netif/ppp/ecp.c
diff --git a/ext/lwip/src/netif/ppp/eui64.c b/ext/lwip_2.0.0/src/netif/ppp/eui64.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/eui64.c
rename to ext/lwip_2.0.0/src/netif/ppp/eui64.c
diff --git a/ext/lwip/src/netif/ppp/fsm.c b/ext/lwip_2.0.0/src/netif/ppp/fsm.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/fsm.c
rename to ext/lwip_2.0.0/src/netif/ppp/fsm.c
diff --git a/ext/lwip/src/netif/ppp/ipcp.c b/ext/lwip_2.0.0/src/netif/ppp/ipcp.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/ipcp.c
rename to ext/lwip_2.0.0/src/netif/ppp/ipcp.c
diff --git a/ext/lwip/src/netif/ppp/ipv6cp.c b/ext/lwip_2.0.0/src/netif/ppp/ipv6cp.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/ipv6cp.c
rename to ext/lwip_2.0.0/src/netif/ppp/ipv6cp.c
diff --git a/ext/lwip/src/netif/ppp/lcp.c b/ext/lwip_2.0.0/src/netif/ppp/lcp.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/lcp.c
rename to ext/lwip_2.0.0/src/netif/ppp/lcp.c
diff --git a/ext/lwip/src/netif/ppp/magic.c b/ext/lwip_2.0.0/src/netif/ppp/magic.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/magic.c
rename to ext/lwip_2.0.0/src/netif/ppp/magic.c
diff --git a/ext/lwip/src/netif/ppp/mppe.c b/ext/lwip_2.0.0/src/netif/ppp/mppe.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/mppe.c
rename to ext/lwip_2.0.0/src/netif/ppp/mppe.c
diff --git a/ext/lwip/src/netif/ppp/multilink.c b/ext/lwip_2.0.0/src/netif/ppp/multilink.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/multilink.c
rename to ext/lwip_2.0.0/src/netif/ppp/multilink.c
diff --git a/ext/lwip/src/netif/ppp/polarssl/README b/ext/lwip_2.0.0/src/netif/ppp/polarssl/README
similarity index 100%
rename from ext/lwip/src/netif/ppp/polarssl/README
rename to ext/lwip_2.0.0/src/netif/ppp/polarssl/README
diff --git a/ext/lwip/src/netif/ppp/polarssl/arc4.c b/ext/lwip_2.0.0/src/netif/ppp/polarssl/arc4.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/polarssl/arc4.c
rename to ext/lwip_2.0.0/src/netif/ppp/polarssl/arc4.c
diff --git a/ext/lwip/src/netif/ppp/polarssl/des.c b/ext/lwip_2.0.0/src/netif/ppp/polarssl/des.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/polarssl/des.c
rename to ext/lwip_2.0.0/src/netif/ppp/polarssl/des.c
diff --git a/ext/lwip/src/netif/ppp/polarssl/md4.c b/ext/lwip_2.0.0/src/netif/ppp/polarssl/md4.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/polarssl/md4.c
rename to ext/lwip_2.0.0/src/netif/ppp/polarssl/md4.c
diff --git a/ext/lwip/src/netif/ppp/polarssl/md5.c b/ext/lwip_2.0.0/src/netif/ppp/polarssl/md5.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/polarssl/md5.c
rename to ext/lwip_2.0.0/src/netif/ppp/polarssl/md5.c
diff --git a/ext/lwip/src/netif/ppp/polarssl/sha1.c b/ext/lwip_2.0.0/src/netif/ppp/polarssl/sha1.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/polarssl/sha1.c
rename to ext/lwip_2.0.0/src/netif/ppp/polarssl/sha1.c
diff --git a/ext/lwip/src/netif/ppp/ppp.c b/ext/lwip_2.0.0/src/netif/ppp/ppp.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/ppp.c
rename to ext/lwip_2.0.0/src/netif/ppp/ppp.c
diff --git a/ext/lwip/src/netif/ppp/pppapi.c b/ext/lwip_2.0.0/src/netif/ppp/pppapi.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/pppapi.c
rename to ext/lwip_2.0.0/src/netif/ppp/pppapi.c
diff --git a/ext/lwip/src/netif/ppp/pppcrypt.c b/ext/lwip_2.0.0/src/netif/ppp/pppcrypt.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/pppcrypt.c
rename to ext/lwip_2.0.0/src/netif/ppp/pppcrypt.c
diff --git a/ext/lwip/src/netif/ppp/pppoe.c b/ext/lwip_2.0.0/src/netif/ppp/pppoe.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/pppoe.c
rename to ext/lwip_2.0.0/src/netif/ppp/pppoe.c
diff --git a/ext/lwip/src/netif/ppp/pppol2tp.c b/ext/lwip_2.0.0/src/netif/ppp/pppol2tp.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/pppol2tp.c
rename to ext/lwip_2.0.0/src/netif/ppp/pppol2tp.c
diff --git a/ext/lwip/src/netif/ppp/pppos.c b/ext/lwip_2.0.0/src/netif/ppp/pppos.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/pppos.c
rename to ext/lwip_2.0.0/src/netif/ppp/pppos.c
diff --git a/ext/lwip/src/netif/ppp/upap.c b/ext/lwip_2.0.0/src/netif/ppp/upap.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/upap.c
rename to ext/lwip_2.0.0/src/netif/ppp/upap.c
diff --git a/ext/lwip/src/netif/ppp/utils.c b/ext/lwip_2.0.0/src/netif/ppp/utils.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/utils.c
rename to ext/lwip_2.0.0/src/netif/ppp/utils.c
diff --git a/ext/lwip/src/netif/ppp/vj.c b/ext/lwip_2.0.0/src/netif/ppp/vj.c
similarity index 100%
rename from ext/lwip/src/netif/ppp/vj.c
rename to ext/lwip_2.0.0/src/netif/ppp/vj.c
diff --git a/ext/lwip/src/netif/slipif.c b/ext/lwip_2.0.0/src/netif/slipif.c
similarity index 100%
rename from ext/lwip/src/netif/slipif.c
rename to ext/lwip_2.0.0/src/netif/slipif.c