Index: sort.c
--- sort.c.orig
+++ sort.c
@@ -16,9 +16,11 @@
 #endif
 #endif
 
-#include <stdio.h>
 #include <ctype.h>
+#include <curses.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include "sc.h"
 
 int compare(const void *row1, const void *row2);