1 files changed, 3 insertions, 2 deletions
diff --git a/display.h b/display.h
index 35fa3749f..65820f075 100644
--- a/display.h
+++ b/display.h
@@ -21,6 +21,7 @@ struct plot_info {
 	int minpressure, maxpressure;
 	int minhr, maxhr;
 	int mintemp, maxtemp;
+	enum {AIR, NITROX, TRIMIX} dive_type;
 	double endtempcoord;
 	double maxpp;
 	bool has_ndl;
@@ -32,7 +33,7 @@ typedef enum {
 	SC_PRINT
 } scale_mode_t;
 
-extern struct divecomputer *select_dc(struct divecomputer *main);
+extern struct divecomputer *select_dc(struct dive *);
 
 struct options {
 	enum {
@@ -46,7 +47,7 @@ struct options {
 	int profile_height, notes_height, tanks_height;
 };
 
-extern char dc_number;
+extern unsigned int dc_number;
 
 extern unsigned int amount_selected;