+SR_API GSList *sr_buildinfo_libs_get(void);
+SR_API char *sr_buildinfo_host_get(void);
+SR_API char *sr_buildinfo_scpi_backends_get(void);
+
+/*--- conversion.c ----------------------------------------------------------*/
+
+SR_API int sr_a2l_threshold(const struct sr_datafeed_analog *analog,
+ float threshold, uint8_t *output, uint64_t count);
+SR_API int sr_a2l_schmitt_trigger(const struct sr_datafeed_analog *analog,
+ float lo_thr, float hi_thr, uint8_t *state, uint8_t *output,
+ uint64_t count);
+