-inline float log_meter (float db);
-inline float meter_deflect_ppm (float);
-inline float meter_deflect_din (float);
-inline float meter_deflect_nordic (float);
-inline float meter_deflect_vu (float);
-inline float meter_deflect_k (float, float);
+static inline float log_meter (float db);
+static inline float meter_deflect_ppm (float);
+static inline float meter_deflect_din (float);
+static inline float meter_deflect_nordic (float);
+static inline float meter_deflect_vu (float);
+static inline float meter_deflect_k (float, float);