Reference for Wiring version 0027+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name

null

Examples
char str[] = "some characters";

if( str != null) {
  Serial.println("Array is not null");  // Prints 'Array is not null'
}
Description Special value used to signify the target is not a valid data element. In Wiring, you may run across the keyword null when trying to access data which is not there. It can also be used as NULL.
Syntax
null
NULL
Usage Application
Updated on September 17, 2010 12:29:10pm PDT

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