SYNTAX
------

C Syntax
^^^^^^^^

.. code-block:: c

    int MPI_Keyval_free(int* keyval)

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

.. code-block:: fortran

    USE MPI
    ! or the older form: INCLUDE 'mpif.h'
    MPI_KEYVAL_FREE(KEYVAL, IERROR)
    	INTEGER KEYVAL, IERROR
