mpi_attr_delete 57 ompi/mpi/fortran/mpif-h/attr_delete_f.c mpi_attr_delete, mpi_attr_delete 101 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(void, MPI_Attr_delete, mpi_attr_delete, MPI_ATTR_DELETE, (MPI_Fint *comm, MPI_Fint *keyval, MPI_Fint *ierr));