.TH MPI_File_get_type_extent 3 "2/5/1998" " " "MPI-2".SH NAMEMPI_File_get_type_extent \-  Returns the extent of datatype in the file .SH SYNOPSIS.nf#include "mpi.h"int MPI_File_get_type_extent(MPI_File fh, MPI_Datatype datatype,                              MPI_Aint *extent).fi.SH INPUT PARAMETERS.PD 0.TP.B fh - file handle (handle).PD 1.PD 0.TP.B datatype - datatype (handle).PD 1.SH OUTPUT PARAMETERS.PD 0.TP.B extent - extent of the datatype (nonnegative integer).PD 1.SH NOTES FOR FORTRANAll MPI routines in Fortran (except for 'MPI_WTIME' and 'MPI_WTICK')have an additional argument 'ierr' at the end of the argument list.'ierr' is an integer and has the same meaning as the return value ofthe routine in C.  In Fortran, MPI routines are subroutines and areinvoked with the 'call' statement.All MPI objects (e.g., 'MPI_Datatype', 'MPI_Comm', 'MPI_File') are oftype 'INTEGER' in Fortran.