Cleaup read() and write() variants, plus a couple of new functions like
xlseek and fdlength() for the new mkswap.
diff --git a/libbb/loop.c b/libbb/loop.c
index b9caa97..0b05cd7 100644
--- a/libbb/loop.c
+++ b/libbb/loop.c
@@ -3,6 +3,7 @@
  * Utility routines.
  *
  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ * Copyright (C) 2005 by Rob Landley <rob@landley.net>
  *
  * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
  */