modified:   Makefile
	new file:   demo/btree/btree
	modified:   demo/btree/btree.c
	new file:   demo/btree/btree.o
	new file:   demo/btree/fuckgcc.o
	new file:   demo/btree/start.o
	modified:   demo/math/math.c
	modified:   demo/sketchpad/sketchpad.c
	modified:   init/ahci/fs/fat.c
	modified:   init/ahci/parttable/parttable.c
	deleted:    zero