3 files changed, 6 insertions, 6 deletions
diff --git a/draw.c b/draw.c
index 7b782d8..1497e65 100644
--- a/draw.c
+++ b/draw.c
@@ -42,7 +42,7 @@ void redraw_chars() {
 	}
 }
 
-void redraw() {
+void redraw(void) {
 	XCopyArea(display, face, window, gc, 0, 0, widths[winsize],
 			  heights[winsize], 0, 0);
 
@@ -88,7 +88,7 @@ void set_string(char *s) {
 	}
 }
 
-void send_current_display() {
+void send_current_display(void) {
 	char tmp[40], *tp = tmp;
 	int i;
 	XEvent e;
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);
diff --git a/input.c b/input.c
index 777d33b..53e816d 100644
--- a/input.c
+++ b/input.c
@@ -70,7 +70,7 @@ void convert_number() {
 	value *= sign;
 }
 
-void show_value() {
+void show_value(void) {
 	char tmp[25], *tp;
 	char commas[40], *cp, *dp;
 	double v = value;