diff --git a/include/dirent.h b/include/dirent.h
index 63a96ea82..2a4f42f17 100644
--- a/include/dirent.h
+++ b/include/dirent.h
@@ -73,6 +73,11 @@ struct dirent {
     }             d_mtime;
 };
 
+#define _DE_ISREG(t)    ((t) != $0F)
+#define _DE_ISDIR(t)    ((t) == $0F)
+#define _DE_ISLBL(t)    (0)
+#define _DE_ISLNK(t)    (0)
+
 #elif defined(__ATARI__)
 
 struct dirent {