const char *auparse_get_filename(auparse_state_t *au);
auparse_get_filename will return the name of the source file where the record was found if the source type is AUSOURCE_FILE or AUSOURCE_FILE_ARRAY. For other source types the return value will be NULL.
Returns pointer to a filename or NULL if unavailable.
auparse_get_line_number(3). auparse_next_record(3).