+ FLOCK(f);
+ r = fflush(f);
+ r |= f->close(f);
+ FUNLOCK(f);
+
+ /* Past this point, f is closed and any further explict access
+ * to it is undefined. However, it still exists as an entry in
+ * the open file list and possibly in the thread's locked files
+ * list, if it was closed while explicitly locked. Functions
+ * which process these lists must tolerate dead FILE objects
+ * (which necessarily have inactive buffer pointers) without
+ * producing any side effects. */
+
+ if (f->flags & F_PERM) return r;