Function xcb::ffi::xproto::xcb_alloc_color_cells

pub unsafe extern fn xcb_alloc_color_cells(
    c: *mut xcb_connection_t, 
    contiguous: u8, 
    cmap: xcb_colormap_t, 
    colors: u16, 
    planes: u16
) -> xcb_alloc_color_cells_cookie_t