Reading SMS message files.
==========================

	Get a directory listing of c:\system\mail\00001001_S\*

	open directory 
	read directory
	create a list
	parse message and add dir entries to the list
	close directory (close handle)
	return the list	

	loop while still entries in list

		if entry is a directory
			build name
			get a directory listing
		
			loop while still entries in list
		
				if entry is a file
					build name
					read dir entry for file (gets size, modified time etc)
					open file
					read file (first 0x18 bytes)
					if file is an sms message
						read rest of file
						parse file
						add to sms message list
					if end
					close file
				if end
			loop end
		if end
	loop end

