diff --git a/CalculatorCInterface/global_defines.h b/CalculatorCInterface/global_defines.h
new file mode 100644
index 0000000..c3a8798
--- /dev/null
+++ b/CalculatorCInterface/global_defines.h
@@ -0,0 +1,7 @@
+#ifndef GLOBAL_DEFINES_H_INCLUDED
+#define GLOBAL_DEFINES_H_INCLUDED
+
+#define HEADER __func__ << "(" << __LINE__ << ")"
+
+#endif // GLOBAL_DEFINES_H_INCLUDED
+