- * Dumps the database into one or more files, which contain pure OpenPGP
- * that can be reimported into onak or gpg. filenamebase provides a base
- * file name for the dump; several files may be created, all of which will
- * begin with this string and then have a unique number and a .pgp
- * extension.
- * */
-int dumpdb(char *filenamebase)
+ * Calls iterfunc once for each key in the database. ctx is passed
+ * unaltered to iterfunc. This function is intended to aid database dumps
+ * and statistic calculations.
+ *
+ * Returns the number of keys we iterated over.
+ */
+int iterate_keys(void (*iterfunc)(void *ctx, struct openpgp_publickey *key),
+ void *ctx)