321 tlsaadd(name, dr, dane_tlsa, dnsrc, nr, pttl, level)  in tlsaadd()  argument
327 	unsigned int *pttl;
344 			*pttl = tTdlevel(8)-110; /* how to make this an option? */
348 			*pttl = SM_NEG_TTL;
355 	ttl = *pttl;
445 		nprev = nr = tlsaadd(name, drc, dane_tlsa, herr, nr, pttl,
458 	*pttl = ttl;
863 getmxrr(host, mxhosts, mxprefs, flags, rcode, pttl, port, pad)  in getmxrr()  argument
869 	int *pttl;
905 	if (pttl != NULL)
906 		*pttl = SM_DEFAULT_TTL;
1170 	if (ttl > 0 && pttl != NULL)
1171 		*pttl = ttl;
1346 				pttl)) != HOST_NOTFOUND)
1366 				if (pttl != NULL)
1367 					cttl = *pttl;
1617 dns_getcanonname(host, hbsize, trymx, statp, pttl)  in dns_getcanonname()  argument
1622 	int *pttl;
2026 	if (ttl > 0 && pttl != NULL)
2027 		*pttl = ttl;