#[repr(C)]
pub struct Screen {Show fields
pub ext_data: *mut XExtData,
pub display: *mut Display,
pub root: Window,
pub width: c_int,
pub height: c_int,
pub mwidth: c_int,
pub mheight: c_int,
pub ndepths: c_int,
pub depths: *mut Depth,
pub root_depth: c_int,
pub root_visual: *mut Visual,
pub default_gc: GC,
pub cmap: Colormap,
pub white_pixel: c_ulong,
pub black_pixel: c_ulong,
pub max_maps: c_int,
pub min_maps: c_int,
pub backing_store: c_int,
pub save_unders: Bool,
pub root_input_mask: c_long,
}