diff --git a/retcode.h b/retcode.h
new file mode 100644
index 0000000..554efa2
--- /dev/null
+++ b/retcode.h
@@ -0,0 +1,27 @@
+/******************************************************************************
+ *
+ *                Copyright (c) 2017-2019 by Löwenware Ltd
+ *             Please, refer LICENSE file for legal information
+ *
+ ******************************************************************************/
+
+/**
+ * @file retcode.h
+ * @author Ilja Kartašov <ik@lowenware.com>
+ * @brief cStuff return codes
+ *
+ * @see https://lowenware.com/
+ */
+
+#ifndef CSTUFF_RETCODE_H_CBA3C16B_88D6_49F4_966D_DBDA727583FE
+#define CSTUFF_RETCODE_H_CBA3C16B_88D6_49F4_966D_DBDA727583FE
+
+typedef enum {
+	  CSTUFF_MALLOC_ERROR  = -2
+	, CSTUFF_SYSCALL_ERROR = -1
+	, CSTUFF_SUCCESS = 0
+	, CSTUFF_IDLE    = 1
+
+} CStuffRetcode;
+
+#endif /* !CSTUFF_RETCODE_H */