1 files changed, 1 insertions, 0 deletions
diff --git a/dive.h b/dive.h
index 13606f39e..b4e21a58a 100644
--- a/dive.h
+++ b/dive.h
@@ -915,6 +915,7 @@ extern depth_t string_to_depth(const char *str);
 extern pressure_t string_to_pressure(const char *str);
 extern volume_t string_to_volume(const char *str, pressure_t workp);
 extern fraction_t string_to_fraction(const char *str);
+extern int average_depth(struct diveplan *dive);
 
 #include "pref.h"