UIPEthernet_v1.09_ext - extended API
extended version of UIPEthernet_1.09: (contains functionality that is not part of official Ethernet-api)
UIPClientExt: nonblocking connect, read of local- and remote port UIPServerExt: returns instances of UIPClientExt example code: https://github.com/ntruchsess/arduino_uip/blob/ext/examples/NonBlockingTcpClient/NonBlockingTcpClient.ino