pub unsafe extern "C" fn igraph_cattribute_EAN(
graph: *const igraph_t,
name: *const c_char,
eid: igraph_int_t,
) -> igraph_real_tpub unsafe extern "C" fn igraph_cattribute_EAN(
graph: *const igraph_t,
name: *const c_char,
eid: igraph_int_t,
) -> igraph_real_t