Simplify the logic of accessing codec function for specific TYPE
diff --git a/skeletons/ObjectDescriptor.h b/skeletons/ObjectDescriptor.h
index fa1753e..d88e761 100644
--- a/skeletons/ObjectDescriptor.h
+++ b/skeletons/ObjectDescriptor.h
@@ -15,6 +15,16 @@
 
 extern asn_TYPE_descriptor_t asn_DEF_ObjectDescriptor;
 
+#define ObjectDescriptor_free         OCTET_STRING_free
+#define ObjectDescriptor_print        OCTET_STRING_print_utf8
+#define ObjectDescriptor_constraint   asn_generic_unknown_constraint
+#define ObjectDescriptor_decode_ber   OCTET_STRING_decode_ber
+#define ObjectDescriptor_encode_der   OCTET_STRING_encode_der
+#define ObjectDescriptor_decode_xer   OCTET_STRING_decode_xer_utf8
+#define ObjectDescriptor_encode_xer   OCTET_STRING_encode_xer_utf8
+#define ObjectDescriptor_decode_uper  OCTET_STRING_decode_uper
+#define ObjectDescriptor_encode_uper  OCTET_STRING_encode_uper
+
 #ifdef __cplusplus
 }
 #endif