mpi_comm_delete_attr 57 ompi/mpi/fortran/mpif-h/comm_delete_attr_f.c mpi_comm_delete_attr, mpi_comm_delete_attr 128 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(void, MPI_Comm_delete_attr, mpi_comm_delete_attr, MPI_COMM_DELETE_ATTR, (MPI_Fint *comm, MPI_Fint *comm_keyval, MPI_Fint *ierr));