PK_ERROR_code_t PK_SESSION_ask_applio ( --- returned arguments --- PK_SESSION_applio_t *const res ) This function returns the registered 'applio' functions for transmit file input and output. The fields open_uc_rd,open_uc_wr are only returned if Unicode keys have already been enabled by a previous call to PK_SESSION_set_unicode, otherwise they are undefined.