1 files changed, 1 insertions, 0 deletions
diff --git a/dive.h b/dive.h
index 151ba524a..e199f7878 100644
--- a/dive.h
+++ b/dive.h
@@ -653,6 +653,7 @@ extern unsigned int dc_airtemp(struct divecomputer *dc);
 extern struct dive *merge_dives(struct dive *a, struct dive *b, int offset, bool prefer_downloaded);
 extern struct dive *try_to_merge(struct dive *a, struct dive *b, bool prefer_downloaded);
 extern void renumber_dives(int nr);
+extern void copy_cylinders(struct dive *s, struct dive *d);
 extern void copy_samples(struct dive *s, struct dive *d);
 
 extern void add_gas_switch_event(struct dive *dive, struct divecomputer *dc, int time, int idx);