/** Convert <b>addr</b> to an in-addr.arpa name or a .ip6.arpa name,
* and store the result in the <b>outlen</b>-byte buffer at
- * <b>out</b>. Return the number of chars written to <b>out</b>, not
- * including the trailing \0, on success. Returns -1 on failure. */
+ * <b>out</b>. Returns a non-negative integer on success.
+ * Returns -1 on failure. */
int
tor_addr_to_PTR_name(char *out, size_t outlen,
const tor_addr_t *addr)
/** Given an IPv4 in_addr struct *<b>in</b> (in network order, as usual),
* write it as a string into the <b>buf_len</b>-byte buffer in
- * <b>buf</b>.
+ * <b>buf</b>. Returns a non-negative integer on success.
+ * Returns -1 on failure.
*/
int
tor_inet_ntoa(const struct in_addr *in, char *buf, size_t buf_len)
/** Given an <b>interval</b> in seconds, try to write it to the
* <b>out_len</b>-byte buffer in <b>out</b> in a human-readable form.
- * Return 0 on success, -1 on failure.
+ * Returns a non-negative integer on success, -1 on failure.
*/
int
format_time_interval(char *out, size_t out_len, long interval)