File descriptors for dms, column and array directories are now stored in

structures.

src/obidms.h

@@ -43,9 +43,15 @@ typedef struct OBIDMS {
 	DIR*	directory;							/**< A directory entry usable to
 										 	 	 *   refer and scan the database directory.
 										 	 	 */
+	int     dir_fd;								/**< The file descriptor of the directory entry
+												 *   usable to refer and scan the database directory.
+												 */
 	DIR*	array_directory;					/**< A directory entry usable to
 										 	 	 *   refer and scan the array directory.
 										 	 	 */
+	int		array_dir_fd;						/**< The file descriptor of the directory entry
+												 *   usable to refer and scan the array directory.
+												 */
 } OBIDMS_t, *OBIDMS_p;