SYNTAX
------

C Syntax
^^^^^^^^

.. code-block:: c

    int MPI_Cancel(MPI_Request* request)

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

.. code-block:: fortran

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

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

.. code-block:: fortran

    USE mpi_f08
    MPI_Cancel(request, ierror)
    	TYPE(MPI_Request), INTENT(IN) :: request
    	INTEGER, OPTIONAL, INTENT(OUT) :: ierror
