diff --git a/Include/fileobject.h b/Include/fileobject.h
new file mode 100644
index 0000000..f11f98e
--- /dev/null
+++ b/Include/fileobject.h
@@ -0,0 +1,9 @@
+/* File object interface */
+
+extern typeobject Filetype;
+
+#define is_fileobject(op) ((op)->ob_type == &Filetype)
+
+extern object *newfileobject PROTO((char *, char *));
+extern object *newopenfileobject PROTO((FILE *, char *, char *));
+extern FILE *getfilefile PROTO((object *));