diff --git a/backends/frotz/dumb_frotz.h b/backends/frotz/dumb_frotz.h
new file mode 100644
index 0000000000000000000000000000000000000000..0ef4963046d624a1165821c10f2a3febf4d7e278
--- /dev/null
+++ b/backends/frotz/dumb_frotz.h
@@ -0,0 +1,41 @@
+/* dumb-frotz.h
+ * $Id: dumb-frotz.h,v 1.1.1.1 2002/03/26 22:38:34 feedle Exp $
+ * Frotz os functions for a standard C library and a dumb terminal.
+ * Now you can finally play Zork Zero on your Teletype.
+ *
+ * Copyright 1997, 1998 Alembic Petrofsky <alembic@petrofsky.berkeley.ca.us>.
+ * Any use permitted provided this notice stays intact.
+ */
+#include "frotz.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <ctype.h>
+#include <time.h>
+
+/* from ../common/setup.h */
+extern f_setup_t f_setup;
+extern void spectrum_get_line(char *s);
+
+/* From input.c.  */
+int is_terminator (zchar);
+
+/* dumb-input.c */
+int dumb_handle_setting(const char *setting, int show_cursor, int startup);
+void dumb_init_input(void);
+
+/* dumb-output.c */
+void dumb_init_output(void);
+int dumb_output_handle_setting(const char *setting, int show_cursor,
+				int startup);
+void dumb_show_screen(int show_cursor);
+void dumb_show_prompt(int show_cursor, char line_type);
+void dumb_dump_screen(void);
+void dumb_display_user_input(char *);
+void dumb_discard_old_input(int num_chars);
+void dumb_elide_more_prompt(void);
+void dumb_set_picture_cell(int row, int col, char c);
+
+/* dumb-pic.c */
+void dumb_init_pictures(char *graphics_filename);