pub unsafe extern "C" fn clutter_table_layout_set_span(
layout: *mut ClutterTableLayout,
actor: *mut ClutterActor,
column_span: c_int,
row_span: c_int,
)pub unsafe extern "C" fn clutter_table_layout_set_span(
layout: *mut ClutterTableLayout,
actor: *mut ClutterActor,
column_span: c_int,
row_span: c_int,
)