+#if !defined(DLL_EXPORT)
+#if defined(c_plusplus) || defined(__cplusplus)
+#define SMPI_PREDEFINED_POINTER(type, internal) (static_cast<type> (static_cast<void*> (&(internal))))
+#else
+#define SMPI_PREDEFINED_POINTER(type, internal) ((type) ((void *) &(internal)))
+#endif
+#else
+#define SMPI_PREDEFINED_POINTER(type, internal) ((type) &(internal))
+#endif
+
+extern SMPI_Datatype smpi_MPI_DATATYPE_NULL;
+extern SMPI_Datatype smpi_MPI_CHAR;
+extern SMPI_Datatype smpi_MPI_SHORT;
+extern SMPI_Datatype smpi_MPI_INT;
+extern SMPI_Datatype smpi_MPI_LONG;
+extern SMPI_Datatype smpi_MPI_LONG_LONG;
+extern SMPI_Datatype smpi_MPI_SIGNED_CHAR;
+extern SMPI_Datatype smpi_MPI_UNSIGNED_CHAR;
+extern SMPI_Datatype smpi_MPI_UNSIGNED_SHORT;
+extern SMPI_Datatype smpi_MPI_UNSIGNED;
+extern SMPI_Datatype smpi_MPI_UNSIGNED_LONG;
+extern SMPI_Datatype smpi_MPI_UNSIGNED_LONG_LONG;
+extern SMPI_Datatype smpi_MPI_FLOAT;
+extern SMPI_Datatype smpi_MPI_DOUBLE;
+extern SMPI_Datatype smpi_MPI_LONG_DOUBLE;
+extern SMPI_Datatype smpi_MPI_WCHAR;
+extern SMPI_Datatype smpi_MPI_C_BOOL;
+extern SMPI_Datatype smpi_MPI_INT8_T;
+extern SMPI_Datatype smpi_MPI_INT16_T;
+extern SMPI_Datatype smpi_MPI_INT32_T;
+extern SMPI_Datatype smpi_MPI_INT64_T;
+extern SMPI_Datatype smpi_MPI_UINT8_T;
+extern SMPI_Datatype smpi_MPI_BYTE;
+extern SMPI_Datatype smpi_MPI_UINT16_T;
+extern SMPI_Datatype smpi_MPI_UINT32_T;
+extern SMPI_Datatype smpi_MPI_UINT64_T;
+extern SMPI_Datatype smpi_MPI_C_FLOAT_COMPLEX;
+extern SMPI_Datatype smpi_MPI_C_DOUBLE_COMPLEX;
+extern SMPI_Datatype smpi_MPI_C_LONG_DOUBLE_COMPLEX;
+extern SMPI_Datatype smpi_MPI_AINT;
+extern SMPI_Datatype smpi_MPI_OFFSET;
+extern SMPI_Datatype smpi_MPI_LB;
+extern SMPI_Datatype smpi_MPI_UB;
+extern SMPI_Datatype smpi_MPI_FLOAT_INT;
+extern SMPI_Datatype smpi_MPI_LONG_INT;
+extern SMPI_Datatype smpi_MPI_DOUBLE_INT;
+extern SMPI_Datatype smpi_MPI_SHORT_INT;
+extern SMPI_Datatype smpi_MPI_2INT;
+extern SMPI_Datatype smpi_MPI_LONG_DOUBLE_INT;
+extern SMPI_Datatype smpi_MPI_2FLOAT;
+extern SMPI_Datatype smpi_MPI_2DOUBLE;
+extern SMPI_Datatype smpi_MPI_2LONG;
+extern SMPI_Datatype smpi_MPI_REAL;
+extern SMPI_Datatype smpi_MPI_REAL4;
+extern SMPI_Datatype smpi_MPI_REAL8;
+extern SMPI_Datatype smpi_MPI_REAL16;
+extern SMPI_Datatype smpi_MPI_COMPLEX8;
+extern SMPI_Datatype smpi_MPI_COMPLEX16;
+extern SMPI_Datatype smpi_MPI_COMPLEX32;
+extern SMPI_Datatype smpi_MPI_INTEGER1;
+extern SMPI_Datatype smpi_MPI_INTEGER2;
+extern SMPI_Datatype smpi_MPI_INTEGER4;
+extern SMPI_Datatype smpi_MPI_INTEGER8;
+extern SMPI_Datatype smpi_MPI_INTEGER16;
+extern SMPI_Datatype smpi_MPI_COUNT;
+extern SMPI_Datatype smpi_MPI_CXX_BOOL;
+extern SMPI_Datatype smpi_MPI_MPI_CXX_FLOAT_COMPLEX;
+extern SMPI_Datatype smpi_MPI_MPI_CXX_DOULE_COMPLEX;
+extern SMPI_Datatype smpi_MPI_MPI_CXX_LONG_DOUBLE_COMPLEX;
+
+#define MPI_DATATYPE_NULL SMPI_PREDEFINED_POINTER(MPI_Datatype, smpi_MPI_DATATYPE_NULL)
+#define MPI_CHAR SMPI_PREDEFINED_POINTER(MPI_Datatype, smpi_MPI_CHAR)
+#define MPI_SHORT SMPI_PREDEFINED_POINTER(MPI_Datatype, smpi_MPI_SHORT)
+#define MPI_INT SMPI_PREDEFINED_POINTER(MPI_Datatype, smpi_MPI_INT)
+#define MPI_LONG SMPI_PREDEFINED_POINTER(MPI_Datatype, smpi_MPI_LONG)
+#define MPI_LONG_LONG SMPI_PREDEFINED_POINTER(MPI_Datatype, smpi_MPI_LONG_LONG)