File list (Check if you may need any files):
Ethernet
Ethernet\examples
Ethernet\examples\AdvancedChatServer
Ethernet\examples\AdvancedChatServer\AdvancedChatServer.ino
Ethernet\examples\BarometricPressureWebServer
Ethernet\examples\BarometricPressureWebServer\BarometricPressureWebServer.ino
Ethernet\examples\ChatServer
Ethernet\examples\ChatServer\ChatServer.ino
Ethernet\examples\DhcpAddressPrinter
Ethernet\examples\DhcpAddressPrinter\DhcpAddressPrinter.ino
Ethernet\examples\DhcpChatServer
Ethernet\examples\DhcpChatServer\DhcpChatServer.ino
Ethernet\examples\TelnetClient
Ethernet\examples\TelnetClient\TelnetClient.ino
Ethernet\examples\UdpNtpClient
Ethernet\examples\UdpNtpClient\UdpNtpClient.ino
Ethernet\examples\UDPSendReceiveString
Ethernet\examples\UDPSendReceiveString\UDPSendReceiveString.ino
Ethernet\examples\WebClient
Ethernet\examples\WebClientRepeating
Ethernet\examples\WebClientRepeating\WebClientRepeating.ino
Ethernet\examples\WebClient\WebClient.ino
Ethernet\examples\WebServer
Ethernet\examples\WebServer\WebServer.ino
Ethernet\keywords.txt
Ethernet\library.properties
Ethernet\README.adoc
Ethernet\src
Ethernet\src\Dhcp.cpp
Ethernet\src\Dhcp.h
Ethernet\src\Dns.cpp
Ethernet\src\Dns.h
Ethernet\src\Ethernet.cpp
Ethernet\src\Ethernet.h
Ethernet\src\EthernetClient.cpp
Ethernet\src\EthernetClient.h
Ethernet\src\EthernetServer.cpp
Ethernet\src\EthernetServer.h
Ethernet\src\EthernetUdp.cpp
Ethernet\src\EthernetUdp.h
Ethernet\src\utility
Ethernet\src\utility\socket.cpp
Ethernet\src\utility\socket.h
Ethernet\src\utility\util.h
Ethernet\src\utility\w5100.cpp
Ethernet\src\utility\w5100.h