SYNTAX
------

C Syntax
^^^^^^^^

.. code-block:: c

    int MPI_Improbe(int source, int tag, MPI_Comm comm, int* flag,
        MPI_Message* message, MPI_Status* status)

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

.. code-block:: fortran

    USE MPI
    ! or the older form: INCLUDE 'mpif.h'
    MPI_IMPROBE(SOURCE, TAG, COMM, FLAG, MESSAGE, STATUS, IERROR)
    	INTEGER SOURCE, TAG, COMM, MESSAGE, STATUS(MPI_STATUS_SIZE), IERROR
    	LOGICAL FLAG

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

.. code-block:: fortran

    USE mpi_f08
    MPI_Improbe(source, tag, comm, flag, message, status, ierror)
    	INTEGER, INTENT(IN) :: source, tag
    	TYPE(MPI_Comm), INTENT(IN) :: comm
    	LOGICAL, INTENT(OUT) :: flag
    	TYPE(MPI_Message), INTENT(OUT) :: message
    	TYPE(MPI_Status) :: status
    	INTEGER, OPTIONAL, INTENT(OUT) :: ierror
