* byte-order). Assumes that sa->sa_family is already set correctly.
*/
+char *adns__sockaddr_ntoa(const struct sockaddr *sa, char *buf);
+/* Convert sa to a string, and write it to buf, which must be at least
+ * ADNS_ADDR2TEXT_BUFLEN bytes long (unchecked). Return buf; can't fail.
+ */
+
/* From setup.c: */
int adns__setnonblock(adns_state ads, int fd); /* => errno value */