Returns all valid drives on a PC. 
	 
 
  
 
	  
	 Syntax:
 
		 
		call "PC_FIND_DRIVES" using      drive-info
                      returning status-code
 
	 Parameters:
 
		 
		 
		
 
			  
			  
			  
			  
				 
				  |  | Using call prototype (see 
					 Key) | Picture | 
 
			 
 
			  
				 
				  | drive-info | cblt-x4-compx | pic x(4) comp-x. | 
 
				 
				  | status-code | See 
					 Library Routines - Key | 
 
			 
 
		  
 
 
	 On Exit:
 
		 
		 
		
 
			  
			  
			  
				 
				  | drive-info | The 26 least-significant bits correspond to drives A: through Z:, with A: represented by bit 0 (the least significant bit) and Z: represented by bit 25. The corresponding bit is set for each drive that is present. | 
 
				 
				  | status-code | Status code. |