Type Definition lvgl_sys::lv_draw_mask_xcb_t

type lv_draw_mask_xcb_t = Option<unsafe extern "C" fn(mask_buf: *mut lv_opa_t, abs_x: lv_coord_t, abs_y: lv_coord_t, len: lv_coord_t, p: *mut c_void) -> lv_draw_mask_res_t>;