The LENGTH-AN function returns an integer equal to the length of the argument in number of alphnumeric character positions. 
 
   
	 The type of the function is integer. 
	 
 
   
 
  General Format 
 
	  
	  
 
  Arguments 
 
	   
	 - Argument-1 may be a literal or data item of any class or category. 
	 
- If argument-1 or any data item subordinate to argument-1 is described with the DEPENDING phrase of the OCCURS clause, the contents of the data item referenced by the data-name specified in the DEPENDING phrase is used at the time the LENGTH-AN function is evaluated. 
	 
Returned Values 
 
	   
	 - If argument-1 is an elementary data item, the returned value is an integer equal to the length of argument-1 in alphanumeric character positions. 
	 
- If argument-1 is a group data item: 
		 
		  - If argument-1 or any data item subordinate to argument-1 is decribed with the DEPENDING phrase of the OCCURS clause, the returned value is an integer equal to the length of argument-1 in alphanumeric character positions, as a sending data item, determined by evaluation of the data item specified in the DEPENDING phrase in accordance with the rules of the OCCURS clause. 
		  
- Otherwise the value returned is an integer equal to the lengthof argument-1 in alphanumeric character positions. 
		  
- The returned length includes the number of implicit FILLER positions, if any, in argument-1.