signal_add
#define signal_add(ev, tv) event_add(ev, tv)
int signal_add(struct event* ev, struct timeval* ATTR_UNUSED(tv))
#define signal_add minisignal_add
int signal_add(struct event *ev, struct timeval * ATTR_UNUSED(tv))
#define signal_add winsocksignal_add
signal_add(struct event* ev, struct timeval* ATTR_UNUSED(tv))
int signal_add(struct event* ev, struct timeval* ATTR_UNUSED(tv))
#define signal_add minisignal_add
int signal_add(struct event *ev, struct timeval * ATTR_UNUSED(tv))
#define signal_add winsocksignal_add