Index: correct.c
--- correct.c.orig
+++ correct.c
@@ -203,6 +203,9 @@ static char Rcs_Id[] =
  *
  */
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include <ctype.h>
 #include "config.h"
 #include "ispell.h"