SYNTAX
------

C Syntax
^^^^^^^^

.. code-block:: c

    int MPI_Pack_external_size(const char datarep[], int incount,
        MPI_Datatype datatype, MPI_Aint* size)

    int MPI_Pack_external_size_c(const char datarep[], MPI_Count
        incount, MPI_Datatype datatype, MPI_Count* size)

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

.. code-block:: fortran

    USE MPI
    ! or the older form: INCLUDE 'mpif.h'
    MPI_PACK_EXTERNAL_SIZE(DATAREP, INCOUNT, DATATYPE, SIZE, IERROR)
    	CHARACTER*(*) DATAREP
    	INTEGER INCOUNT, DATATYPE, IERROR
    	INTEGER(KIND=MPI_ADDRESS_KIND) SIZE

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

.. code-block:: fortran

    USE mpi_f08
    MPI_Pack_external_size(datarep, incount, datatype, size, ierror)
    	CHARACTER(LEN=*), INTENT(IN) :: datarep
    	INTEGER, INTENT(IN) :: incount
    	TYPE(MPI_Datatype), INTENT(IN) :: datatype
    	INTEGER(KIND=MPI_ADDRESS_KIND), INTENT(OUT) :: size
    	INTEGER, OPTIONAL, INTENT(OUT) :: ierror

    MPI_Pack_external_size(datarep, incount, datatype, size, ierror)
    	CHARACTER(LEN=*), INTENT(IN) :: datarep
    	INTEGER(KIND=MPI_COUNT_KIND), INTENT(IN) :: incount
    	TYPE(MPI_Datatype), INTENT(IN) :: datatype
    	INTEGER(KIND=MPI_COUNT_KIND), INTENT(OUT) :: size
    	INTEGER, OPTIONAL, INTENT(OUT) :: ierror
