restarter_state_to_string
sz = restarter_state_to_string(state, str_state, sizeof (str_state));
sz = restarter_state_to_string(next_state, str_next_state,
sz = restarter_state_to_string(new_state, str_new_state,
sz = restarter_state_to_string(new_state_next, str_new_state_next,
sz = restarter_state_to_string(id->i_state, str_state,
sz = restarter_state_to_string(id->i_next_state, str_state_next,
ssize_t restarter_state_to_string(restarter_instance_state_t, char *, size_t);