pub unsafe extern "C" fn igraph_largest_cliques(
graph: *const igraph_t,
cliques: *mut igraph_vector_int_list_t,
) -> igraph_error_tpub unsafe extern "C" fn igraph_largest_cliques(
graph: *const igraph_t,
cliques: *mut igraph_vector_int_list_t,
) -> igraph_error_t