SYNTAX
------

C Syntax
^^^^^^^^

.. code-block:: c

    int MPI_Comm_set_attr(MPI_Comm comm, int comm_keyval, void*
        attribute_val)

Fortran Syntax
^^^^^^^^^^^^^^

.. code-block:: fortran

    USE MPI
    ! or the older form: INCLUDE 'mpif.h'
    MPI_COMM_SET_ATTR(COMM, COMM_KEYVAL, ATTRIBUTE_VAL, IERROR)
    	INTEGER COMM, COMM_KEYVAL, IERROR
    	INTEGER(KIND=MPI_ADDRESS_KIND) ATTRIBUTE_VAL

Fortran 2008 Syntax
^^^^^^^^^^^^^^^^^^^

.. code-block:: fortran

    USE mpi_f08
    MPI_Comm_set_attr(comm, comm_keyval, attribute_val, ierror)
    	TYPE(MPI_Comm), INTENT(IN) :: comm
    	INTEGER, INTENT(IN) :: comm_keyval
    	INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(IN) :: attribute_val
    	INTEGER, OPTIONAL, INTENT(OUT) :: ierror
