Function vnet_feature_arc_init 

pub unsafe extern "C" fn vnet_feature_arc_init(
    vm: *mut vlib_main_t,
    vcm: *mut vnet_config_main_t,
    feature_start_nodes: *mut *mut c_char,
    num_feature_start_nodes: c_int,
    last_in_arc: *mut c_char,
    first_reg: *mut vnet_feature_registration_t,
    first_const_set: *mut vnet_feature_constraint_registration_t,
    in_feature_nodes: *mut *mut *mut c_char,
) -> *mut clib_error_t