diff --git a/include/data_types.h b/include/data_types.h
new file mode 100644
index 0000000..0583119
--- /dev/null
+++ b/include/data_types.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#ifndef DATA_TYPES
+#define DATA_TYPES
+
+#include <stdio.h>
+#include <stdint.h>
+
+#define FIXED_INT_TYPE
+
+typedef struct FIXED_INT_TYPE
+{
+	uint16_t A;
+    uint32_t B;
+	uint64_t C;
+	int16_t D;
+	int32_t E;
+	int64_t F;
+};
+
+#define VARIABLE_A 16
+#define VARIABLE_B "Hi"
+#define VARIABLE_C 3.14
+
+
+#endif
\ No newline at end of file
diff --git a/include/lib1.h b/include/lib1.h
new file mode 100644
index 0000000..50e9667
--- /dev/null
+++ b/include/lib1.h
@@ -0,0 +1 @@
+#pragma once
diff --git a/include/lib2.h b/include/lib2.h
new file mode 100644
index 0000000..50e9667
--- /dev/null
+++ b/include/lib2.h
@@ -0,0 +1 @@
+#pragma once
diff --git a/include/macros.h b/include/macros.h
new file mode 100644
index 0000000..da0cf56
--- /dev/null
+++ b/include/macros.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#ifndef MACROS
+#define MACROS
+
+#include <iostream>
+#include <stdio.h>
+
+#define NAME "Harry"
+#define AGE 18
+#define BIRTHDAY 2904
+#define YEAR 2004
+
+#endif 
+