1 files changed, 3 insertions, 3 deletions
diff --git a/hcalc.h b/hcalc.h
index 6d0d568..62a5593 100644
--- a/hcalc.h
+++ b/hcalc.h
@@ -47,17 +47,17 @@ extern int quiet;
 
 void set_bits(int b);
 void set_string(char *s);
-void redraw();
+void redraw(void);
 void key(char c);
 void button(int b, int x, int y);
 void complete_paste(unsigned char *s, int n);
-void send_current_display();
+void send_current_display(void);
 void setup_x(void);
 void load_pixmaps(void);
 void process_input();
 void load_config(void);
 void save_config(void);
-void show_value();
+void show_value(void);
 void bell(void);
 void copy(void);
 void paste(void);