Function gtk_sys::gtk_cell_area_get_preferred_width_for_height

pub unsafe extern "C" fn gtk_cell_area_get_preferred_width_for_height(
    area: *mut GtkCellArea,
    context: *mut GtkCellAreaContext,
    widget: *mut GtkWidget,
    height: c_int,
    minimum_width: *mut c_int,
    natural_width: *mut c_int
)