Converts a string of letters to lower case. 
	 
  
 
	 Syntax:
 
		 
		call "CBL_TOLOWER" using      string
                   by value length
                   returning status-code
 
	 Parameters:
 
		 
		 
		
 
			  
			  
			  
			  
				 
				  |  | Using call prototype (see 
					 Key) | Picture | 
 
			 
 
			  
				 
				  | string | pic x(n). | pic x(n). | 
 
				 
				  | length | cblt-os-size | pic x(4) comp-5 or 
					  pic x(8) comp-5 (64-bit native programs only) 
					  | 
 
				 
				  | status-code | See 
					 Library Routines - Key |  | 
 
			 
 
		  
 
 
	 On Entry:
 
		 
		 
		
 
			  
			  
			  
				 
				  | string | The string to convert. | 
 
				 
				  | length | The number of bytes of 
					 string to change; positions beyond this are unchanged. | 
 
			 
 
		  
 
 
	 On Exit:
 
		 
		 
		
 
			  
			  
			  
				 
				  | string | The converted string. | 
 
			 
 
		  
 
 
	 
Comments:
The routine starts at the left-hand end of string and converts letters to lower case (also called folding to lower case).