fontcacheproto: fontcacheproto (C prototypes for X11 Font Cache Extension) fontcacheproto: fontcacheproto: fontcacheproto is part of X11. fontcacheproto: fontcacheproto: For more information about the X.Org Foundation (the providers of the fontcacheproto: X.Org implementation of the X Window System), see their website: fontcacheproto: fontcacheproto: http://www.x.org fontcacheproto: fontcacheproto: fontcacheproto: