+
+ /* Test behaviour for invalid file descriptors. */
+ errno = 0;
+ ASSERT (lseek (-1, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == EBADF);
+
+ close (99);
+ errno = 0;
+ ASSERT (lseek (99, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == EBADF);
+