Allows for multiple includes of headers
authorBarret Rhoden <brho@cs.berkeley.edu>
Fri, 17 Jan 2014 17:31:07 +0000 (09:31 -0800)
committerBarret Rhoden <brho@cs.berkeley.edu>
Fri, 17 Jan 2014 17:31:07 +0000 (09:31 -0800)
commit3027ea07e5e57b18f4975e7d3a2d97a0a0d914a1
tree468547cb5b45e55e44e1c1b99abb164d46ae4f46
parentb3730abb6105c3ea48896cb5b11391ec93fb6c8b
Allows for multiple includes of headers

We're going to need to do the #ifndef for every header we might include
multiple times.  (I already ran into this problem).
kern/include/ip.h
kern/include/ns.h