diff --git a/include/bitmfile.h b/include/bitmfile.h
new file mode 100644
index 000000000..cef1cf9cb
--- /dev/null
+++ b/include/bitmfile.h
@@ -0,0 +1,37 @@
+/****************************\
+* Bitmap mit Farbtabelle als *
+* Graphik-Datei speichern		 *
+* Autor: Gabriel Schmidt		 *
+* (c} 1992 by MAXON-Computer *
+* -> Header-Datei						 *
+\****************************/
+
+#ifndef H_TO_FILE
+#define H_TO_FILE
+
+/*	#include <portab.h>	*/
+#define UWORD unsigned short
+#define ULONG unsigned long
+#define UBYTE unsigned char
+
+#define XIMG_MAGIC	0x58494D47
+
+
+typedef enum { IMG, XIMG } FILE_TYP;
+
+const char *get_file_ext(FILE_TYP typ);
+
+struct RGB
+	{
+	UWORD r, g, b;
+	};
+
+int bitmap_to_file(FILE_TYP typ, int ww, int wh,
+									 unsigned int pwx, unsigned int pwy,
+									 unsigned int planes, unsigned int colors,
+									 const char *filename,
+									 void (*get_color) (unsigned int colind, struct RGB *rgb) ,
+									 void (*get_pixel) (int x, int y, unsigned int *colind) ) ;
+
+#endif
+