diff --git a/lab6/pred.h b/lab6/pred.h
new file mode 100644
index 0000000000000000000000000000000000000000..703805c68a6d8674165fce0901086bad7e7ab503
--- /dev/null
+++ b/lab6/pred.h
@@ -0,0 +1,6 @@
+#ifndef PRED_H_INCLUDED
+#define PRED_H_INCLUDED
+#include <stdio.h>
+float pred(float)
+
+#endif // PRED_H_INCLUDED