Function gtk_sys::gtk_cell_renderer_get_size

pub unsafe extern "C" fn gtk_cell_renderer_get_size(
    cell: *mut GtkCellRenderer,
    widget: *mut GtkWidget,
    cell_area: *const GdkRectangle,
    x_offset: *mut c_int,
    y_offset: *mut c_int,
    width: *mut c_int,
    height: *mut c_int
)