Add some historic code just for the heck of it.

attic/historic/anode/libanode/impl/dns_txt.h

@@ -0,0 +1,37 @@
+/* libanode: the Anode C reference implementation
+ * Copyright (C) 2009-2010 Adam Ierymenko <adam.ierymenko@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _ANODE_DNS_TXT_H
+#define _ANODE_DNS_TXT_H
+
+/**
+ * Synchronous TXT resolver routine
+ *
+ * Error codes:
+ *  1 - I/O error
+ *  2 - Invalid response
+ *  3 - TXT record not found
+ *  4 - Destination buffer too small for result
+ *
+ * @param host Host name
+ * @param txt Buffer to store TXT result
+ * @param txt_len Size of buffer
+ * @return Zero on success, special error code on failure
+ */
+int Anode_sync_resolve_txt(const char *host,char *txt,unsigned int txt_len);
+
+#endif
+