SYNTAX
------

C Syntax
^^^^^^^^

.. code-block:: c

    int MPI_Comm_create_from_group(MPI_Group group, const char*
        stringtag, MPI_Info info, MPI_Errhandler errhandler, MPI_Comm*
        newcomm)

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

.. code-block:: fortran

    USE MPI
    ! or the older form: INCLUDE 'mpif.h'
    MPI_COMM_CREATE_FROM_GROUP(GROUP, STRINGTAG, INFO, ERRHANDLER, NEWCOMM, IERROR)
    	INTEGER GROUP, INFO, ERRHANDLER, NEWCOMM, IERROR
    	CHARACTER*(*) STRINGTAG

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

.. code-block:: fortran

    USE mpi_f08
    MPI_Comm_create_from_group(group, stringtag, info, errhandler, newcomm, ierror)
    	TYPE(MPI_Group), INTENT(IN) :: group
    	CHARACTER(LEN=*), INTENT(IN) :: stringtag
    	TYPE(MPI_Info), INTENT(IN) :: info
    	TYPE(MPI_Errhandler), INTENT(IN) :: errhandler
    	TYPE(MPI_Comm), INTENT(OUT) :: newcomm
    	INTEGER, OPTIONAL, INTENT(OUT) :: ierror
