Disables insertion of a null character
               	 x"00" before data characters whose value is less than x"20" in line sequential
               	 files. 
               
            
            	 
            
               		
               Note: This function is not supported in JVM COBOL.
                  		
               
               	 
              
            	 
            
               Syntax:
 
               		 
               		call x"91" using result
                 function-code
                 parameter 
               	   
            	 
            
               Parameters:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              |  | Using call prototype (see 
                                 					 Key) | Picture | 
 
                           			 
                         
                        			 
                         
                           				
                            
                              				  
                              | result | cblt-x1-compx | pic x comp-x. | 
 
                           				
                            
                              				  
                              | function-code | cblt-x1-compx | pic x comp-x. | 
 
                           				
                            
                              				  
                              | parameter | FD name of file | 
 
                           			 
                         
                        		  
                     
                    
                  		
                 
               	 
              
            	 
            
               On Entry:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              | function-code | Value 47 | 
 
                           				
                            
                              				  
                              | parameter | The file-identifier
                                 					 specified in the File Description (FD). Must refer to a line sequential file
                                 					 which is currently open. | 
 
                           			 
                         
                        		  
                     
                    
                  		
                 
               	 
              
            	 
            
               On Exit:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              | result | Set to zero if the call
                                 					 was successful, nonzero otherwise. | 
 
                           			 
                         
                        		  
                     
                    
                  		
                 
               	 
              
            	 
             
            
           
         
         
Comments:
This function lets you disable null insertion for individual files regardless of the setting of the run-time switch N.
This function cannot be used if the file is declared as EXTERNAL.