Working on exercise 3-5 but I'm creating some libraries

libraries/test_library1/include/test.h

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+// Returns a test value
+int TestLibrary_test_value();
+
+// Multiplies the value by 1.5
+double TestLibrary_multiply_by_one_point_five(const double value);
+
+
+void __attribute__((constructor)) initLibrary(void);
+
+void __attribute__((destructor)) cleanUpLibrary(void);
+