-extern struct output_format output_text_binary;
-extern struct output_format output_text_hex;
-extern struct output_format output_vcd;
-extern struct output_format output_gnuplot;
+extern SR_PRIV struct sr_output_format output_text_bits;
+extern SR_PRIV struct sr_output_format output_text_hex;
+extern SR_PRIV struct sr_output_format output_text_ascii;
+extern SR_PRIV struct sr_output_format output_binary;
+extern SR_PRIV struct sr_output_format output_vcd;
+extern SR_PRIV struct sr_output_format output_ols;
+extern SR_PRIV struct sr_output_format output_gnuplot;
+extern SR_PRIV struct sr_output_format output_chronovu_la8;
+extern SR_PRIV struct sr_output_format output_csv;
+extern SR_PRIV struct sr_output_format output_float;
+/* extern SR_PRIV struct sr_output_format output_analog_gnuplot; */