1struct __dirstream
 2{
 3	off_t tell;
 4	int fd;
 5	int buf_pos;
 6	int buf_end;
 7	volatile int lock[1];
 8	/* Any changes to this struct must preserve the property:
 9	 * offsetof(struct __dirent, buf) % sizeof(off_t) == 0 */
10	char buf[2048];
11};