pub unsafe extern "C" fn igraph_cattribute_VAB(
graph: *const igraph_t,
name: *const c_char,
vid: igraph_int_t,
) -> igraph_bool_tpub unsafe extern "C" fn igraph_cattribute_VAB(
graph: *const igraph_t,
name: *const c_char,
vid: igraph_int_t,
) -> igraph_bool_t