pub unsafe extern "C" fn igraph_vector_list_insert_new(
v: *mut igraph_vector_list_t,
pos: igraph_int_t,
result: *mut *mut igraph_vector_t,
) -> igraph_error_tpub unsafe extern "C" fn igraph_vector_list_insert_new(
v: *mut igraph_vector_list_t,
pos: igraph_int_t,
result: *mut *mut igraph_vector_t,
) -> igraph_error_t