opal_datatype_set_element_count  274 ompi/datatype/ompi_datatype.h     return opal_datatype_set_element_count( &type->super, count, length );
opal_datatype_set_element_count  284 opal/datatype/opal_datatype.h opal_datatype_set_element_count( const opal_datatype_t* pData, size_t count, size_t* length );