2) Use %p to print a pointer.
3) Use longs for fileids and ino to avoid comparing signed and unsigned.
4) Make the KVM_READ macro a little more cranky.
5) Set WARNS while I'm here.
find out if files on msdosfs and cd9660 filestores are open.
There was also a movement of some common things to a header, a
small cleanup.
PR: bin/16364 bin/7043
Submitted by: Peter Edwards <peter.edwards@openet-telecom.com>