Index: range.c
--- range.c.orig
+++ range.c
@@ -16,8 +16,10 @@
 #endif
 #endif
 
-#include <stdio.h>
 #include <ctype.h>
+#include <curses.h>
+#include <stdio.h>
+#include <unistd.h>
 #include "sc.h"
 
 static	struct range *rng_base;