Creates a subdirectory.
	 
  
 
	 Syntax:
 
		 All the directories in the given path, except the last, must already exist. 
		
 
		 
		call "CBL_CREATE_DIR" using     pathname
                      returning status-code
 
	 On Entry:
 
		 
		 
		   
			 -  
				pathname 
			 
- Relative or absolute pathname terminated by space or null (x"00").