mca_pml_ucx_datatype_attr_del_fn  490 ompi/mca/pml/ucx/pml_ucx.c     del_fn.attr_datatype_delete_fn = mca_pml_ucx_datatype_attr_del_fn;
mca_pml_ucx_datatype_attr_del_fn   28 ompi/mca/pml/ucx/pml_ucx_datatype.h int mca_pml_ucx_datatype_attr_del_fn(ompi_datatype_t* datatype, int keyval,