safe_sendto
(void) safe_sendto(s, text, sizeof (text), 0, sap, sa_size);
(void) safe_sendto(s, daytime(), TIMEBUF_SIZE, 0, sap, sa_size);
(void) safe_sendto(s, buf, bufsiz, 0, sap, sa_size);
(void) safe_sendto(s, &result, sizeof (result), 0, sap, sa_len);
int safe_sendto(int, const void *, size_t, int, const struct sockaddr *, int);