int iobroker_get_num_fds(iobroker_set *iobs) { return 1; } int iobroker_poll(iobroker_set *iobs, int timeout) { return 0; } const char *iobroker_strerror(int error) { return ""; } void iobroker_destroy(iobroker_set *iobs, int flags) { }