my_bool mysql_stmt_reset(MYSQL_STMT * stmt);
stmt- a statement handle, which was previously allocated by mysql_stmt_init(). Returns zero on success, nonzero if an error occurred.
Resets a prepared statement on client and server to state after prepare.
mysql_stmt_reset() resets the statement on the server, unbuffered result sets and errors. Bindings and stored result sets will not be cleared. The latter one will be cleared when re-executing or closing the prepared statement.
To reprepare a prepared statement with another SQL statement use mysql_stmt_prepare().