engine
engine/client
engine/client/avi
engine/client/vgui
engine/common
engine/common/imagelib
engine/common/soundlib
engine/common/soundlib/libmpg
engine/server
mainui
mainui/controls
mainui/font
mainui/menus
mainui/model
mainui/utl
pm_shared
vgui_support
common
/usr/include/SDL2