redhat man page for mpi_file_get_group

MPI_File_get_group(3)						       MPI-2						     MPI_File_get_group(3)

NAME
       MPI_File_get_group -  Returns the group of processes that  opened the file

SYNOPSIS
       #include "mpi.h"
       int MPI_File_get_group(MPI_File fh, MPI_Group *group)

INPUT PARAMETERS
       fh     - file handle (handle)

OUTPUT PARAMETERS
       group  - group that opened the file (handle)

NOTES FOR FORTRAN
       All  MPI  routines  in Fortran (except for 'MPI_WTIME' and 'MPI_WTICK') have an additional argument 'ierr' at the end of the argument list.
       the routine in C.  In Fortran, MPI routines are subroutines and are invoked with the 'call' statement.

       All MPI objects (e.g., 'MPI_Datatype', 'MPI_Comm', 'MPI_File') are of type 'INTEGER' in Fortran.

								     2/5/1998						     MPI_File_get_group(3)