Corretions and refinements to the String examples

build/linux/work/libraries/Ethernet/examples/DhcpAddressPrinter/DhcpAddressPrinter.ino

@@ -0,0 +1,58 @@
+/*
+  DHCP-based IP printer
+ 
+ This sketch uses the DHCP extensions to the Ethernet library
+ to get an IP address via DHCP and print the address obtained.
+ using an Arduino Wiznet Ethernet shield. 
+ 
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+ 
+ created 12 April 2011
+ modified 2 Apr 2012
+ by Tom Igoe
+ 
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// Enter a MAC address for your controller below.
+// Newer Ethernet shields have a MAC address printed on a sticker on the shield
+byte mac[] = {  
+  0x00, 0xAA, 0xBB, 0xCC, 0xDE, 0x02 };
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server 
+// that you want to connect to (port 80 is default for HTTP):
+EthernetClient client;
+
+void setup() {
+ // Open serial communications and wait for port to open:
+  Serial.begin(9600);
+  // this check is only needed on the Leonardo:
+  while (!Serial) ;
+ ;
+
+  // start the Ethernet connection:
+  if (Ethernet.begin(mac) == 0) {
+    Serial.println("Failed to configure Ethernet using DHCP");
+    // no point in carrying on, so do nothing forevermore:
+    for(;;)
+      ;
+  }
+  // print your local IP address:
+  Serial.print("My IP address: ");
+  for (byte thisByte = 0; thisByte < 4; thisByte++) {
+    // print the value of each byte of the IP address:
+    Serial.print(Ethernet.localIP()[thisByte], DEC);
+    Serial.print("."); 
+  }
+  Serial.println();
+}
+
+void loop() {
+
+}
+
+