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

structures.

src/obiarray.h

@@ -101,6 +101,9 @@ typedef struct OBIDMS_array {
 	DIR*						directory;			/**< A directory entry usable to
 										 	 	 	 *    refer and scan the array directory.
 										 	 	 	 */
+	int							dir_fd;				/**< The file descriptor of the directory entry
+													 *    usable to refer and scan the array directory.
+													 */
 } OBIDMS_array_t, *OBIDMS_array_p;