1 files changed, 1 insertions, 0 deletions
diff --git a/dive.h b/dive.h
index 03b783480..28753e2b9 100644
--- a/dive.h
+++ b/dive.h
@@ -661,6 +661,7 @@ extern void copy_samples(struct dive *s, struct dive *d);
 extern void fill_default_cylinder(cylinder_t *cyl);
 extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx);
 extern void add_event(struct divecomputer *dc, int time, int type, int flags, int value, const char *name);
+extern void per_cylinder_mean_depth(struct dive *dive, struct divecomputer *dc, int *mean, int *duration);
 
 /* UI related protopypes */