Index
 
  Reference for Wiring 1.0 (ALPHA) 0017+. 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.print(c);  // Prints 'some characters' 
}

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.

유효핮 않은 데이터 요소를 표시하는 값으로 사용합니다. Wiring 에서 

   
Syntax   
null
NULL
   
Usage   Web & Application