Reads the run-time switches 
               
            
            	 
            
               		
               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 | cblt-x1-compx occurs 26 | pic x comp-x occurs 26 | 
 
                           			 
                         
                        		  
                     
                    
                  		
                 
               	 
              
            	 
             
            	 
            
               On Exit:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              | parameter | Each byte represents one
                                 					 of the switch letters and each bit in a byte is the state of the numeric switch
                                 					 for that letter. For example, 
                                 					 parameter (1) bit 0 represents switch A (or
                                 					 A0), bit 5 of 
                                 					 parameter (19) represents switch S5. | 
 
                           				
                            
                              				  
                              | result | Set to zero if the call
                                 					 was successful, nonzero otherwise. |