Function igraph_dominator_tree 

pub unsafe extern "C" fn igraph_dominator_tree(
    graph: *const igraph_t,
    root: igraph_int_t,
    dom: *mut igraph_vector_int_t,
    domtree: *mut igraph_t,
    leftout: *mut igraph_vector_int_t,
    mode: igraph_neimode_t,
) -> igraph_error_t