Restriction: This topic applies to Windows environments only. 
                  		  
               
              
            	 
            
               		
               
                  		  
                  			 
                  - INPUT
                     			 
                  
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                      Register 15 Address of 8-byte COBOL program name in EBCDIC 
                        				
                       Register 0 If bits 24-31 = 0, then bits 0-23 = parameter count. 
                        				
                      
                        				  
                        - If bits 24-31 = x'80', then find last parameter with high bit on and set r0 to number of parameters found.
                           				  
                        
- If bits 24-31 = x'40', then process IMS parameters as follows: If first parameter <= F'18' then set r0 to value in first parameter
                           + 1 else if first parameter > F'18' then find last parameter with high bit on and set r0 to number of parameters found.
                           				  
                        
  Register 1 Address of list of addresses of parameters being passed 
                        				
                      
- OUTPUT
                     			 
                  
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                      Register 15 Return code: 
                        				
                      
                        				  
                        - 0=Successful
                           				  
                        
- 16=Failure due to invalid name, duplicate name, or invalid address.