Index: edit.c
--- edit.c.orig
+++ edit.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h> /* exit */
 
 #include "constant.h"
   
@@ -23,6 +24,7 @@
   bases, and towns as desired.
 ******************************************************************************/
 
+void
 edit_board ()
 {
   XEvent event;
