--- /dev/null
+#ifndef HW_HELPERS_H
+#define HW_HELPERS_H
+#include "hw_types.h"
+
+char *bin2str (unsigned long value, int length);
+void msg (char *string);
+void msgf (char *format, ...);
+void say (char *string);
+void sayf (char *format, ...);
+void endwarn (int ret);
+void err (char *string);
+void parstrip (char *data, int size);
+void parset (char *data, int size);
+void twistbytes (hw16 * start, int count);
+
+#endif