2: Can't find C entry for igraph_eigen_adjacency!
3: Can't find C entry for igraph_eigen_adjacency!
4: Can't find C entry for igraph_maximal_cliques_callback_closure!
5: Can't find C entry for igraph_cliques_callback_closure!
6: Can't find C entry for igraph_maximal_cliques_callback_closure!
7: Can't find C entry for igraph_community_leading_eigenvector_callback_closure!
8: Can't find C entry for igraph_community_leading_eigenvector_callback_closure!
9: Can't find C entry for igraph_simple_cycles_callback_closure!
10: Can't find C entry for igraph_solve_lsap!
11: Can't find C entry for igraph_get_isomorphisms_vf2_callback_closure!
12: Can't find C entry for igraph_get_subisomorphisms_vf2_callback_closure!
