Function gtk_sys::gtk_cell_area_get_cell_allocation

pub unsafe extern "C" fn gtk_cell_area_get_cell_allocation(
    area: *mut GtkCellArea,
    context: *mut GtkCellAreaContext,
    widget: *mut GtkWidget,
    renderer: *mut GtkCellRenderer,
    cell_area: *const GdkRectangle,
    allocation: *mut GdkRectangle
)