==== Ping ====
Sends an ICMP (Ping) to another Ethernet connected device
=== Description ===
Ping( IP1, IP2, IP3, IP4 )
Ping( IP4 )
Send a 32 byte packet to other device and return the roundtrip time in milliseconds
=== Parameters ===
| ''IP1'' | First IPv4 octet |
| ''IP2'' | Second IPv4 octet |
| ''IP3'' | Third IPv4 octet |
| ''IP4'' | Fourth IPv4 octet |
If only one octet is given, it's assumed to be the last octet, and the rest of the address is the same as the ezeio.
=== Return value ===
Returns the roundtrip time in milliseconds, or 0 if there is an error.
=== Example usage ===
new ms;
ms = Ping(8, 8, 4, 4);
PDebug("Ping took %d ms", ms);