Add printable for MAC addresses in Ethernet library [imported]

[cmaglie]

This is Issue 840 moved from a Google Code project.
Added by 2012-03-02T22:45:01.000Z by tom.i...@gmail.com.
Please review that bug for more context and additional comments, but update this bug.

Original labels: Type-Enhancement, Priority-Medium

Original description

What change would like to see?
It'd be useful to be able to print MAC addresses as well as IP addresses.

[q2dg]

As it does https://www.arduino.cc/en/Reference/WiFiMACAddress...

[agdl]

This issue was moved to arduino-libraries/Ethernet#19

[per1234]

Moving it back here since it is off-topic for the Ethernet library.
This should be transferred to the arduino/ArduinoCore-API repo, but I don't have the necessary permissions to do that.