MYSQL_FIELD *mariadb_stmt_fetch_fields(MYSQL_STMT * stmt);
stmt- A statement handle, which was previously allocated by mysql_stmt_init().
Returns an array of fields. Each field contains the definition for a column of the result set. If the statement doesn't have a result set a NULL pointer will be returned.
This function was added in Connector/C 3.1.0
The number of fields can be obtained by mysql_stmt_field_count()