Fix out of array bounds errors with -O3

When compiling with -O3 gcc seems to be a lot stricter on its checks for
index out of bounds error.

Change-Id: I5a63e1db6aa2375223ff13c6352643a9804fa93d
Fix some unintialized variables with -O3

Change-Id: I7c41b355a503f97501e9ecb768c77a80d1d7ef0c
Importing usr.bin/tee

Replaces commands/tee. No Minix-specific changes needed.

Change-Id: I31481facfa9cd44860bf2b59ec779605dd8d2f2d
usr.bin/toproto: Adding support for device nodes

Change-Id: I5958673274ecc06429c489a1ac5a88d2b3c31864
MAKEDEV: Add mtree output, and ramdisk set.

Change-Id: I36cb7e9451960189a33a04a5c2e3ddb19c7be75e