Clears the whole screen to a specified character and attribute. 
               
            
 
            	 
             
               		
               Note: This routine is supported for native COBOL only. 
                  		
               
 
               	 
              
            	 
            
               Syntax:
 
               		 
               		call "CBL_CLEAR_SCR" using     character
                               attribute-buffer
                     returning status-code 
               	   
            	 
            
               Parameters:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              |  | Using call prototype (see 
                                 					 Key) | Picture | 
 
                           			 
                         
                        			 
                         
                           				
                            
                              				  
                              | character | cblt-x1-compx | pic x. | 
 
                           				
                            
                              				  
                              | attribute-buffer | cblt-x1-compx | pic x. | 
 
                           				
                            
                              				  
                              | status-code | See 
                                 					 Library Routines - Key |  | 
 
                           			 
                         
                        		  
                     
                    
                  		
                 
               	 
              
            	 
            
               On Entry:
 
               		 
               		
                
                  		
                  
                      
                        			  
                        			  
                        			 
                         
                           				
                            
                              				  
                              | character | The character to write. | 
 
                           				
                            
                              				  
                              | attribute-buffer | The attribute(s) to write. Use the following table to set one or more attributes:  
                                    					 
                                    
                                        
                                          			 
                                           
                                             				
                                              
                                                				  
                                                | B"10000000" | Reserved |   
                                                				  
                                                | B"01000000" | Reserved |   
                                                				  
                                                | B"00100000" | Reserved |   
                                                				  
                                                | B"00010000" | Reserved |   
                                                				  
                                                | B"00001000" | BLANK |   
                                                				  
                                                | B"00000100" | REVERSE-VIDEO |   
                                                				  
                                                | B"00000010" | UNDERLINE |   
                                                				  
                                                | B"00000001" | HIGHLIGHT |  |