OPAL_DATATYPE_INITIALIZER_EMPTY   63 ompi/datatype/ompi_datatype_module.c             OPAL_DATATYPE_INITIALIZER_EMPTY(OMPI_DATATYPE_FLAG_PREDEFINED),
OPAL_DATATYPE_INITIALIZER_EMPTY   58 opal/datatype/opal_datatype_module.c OPAL_DECLSPEC const opal_datatype_t opal_datatype_empty =       OPAL_DATATYPE_INITIALIZER_EMPTY(0);