Function mpi::ffi::PMPI_File_get_view

pub unsafe extern fn PMPI_File_get_view(fh: MPI_File,
                                        disp: *mut MPI_Offset,
                                        etype: *mut MPI_Datatype,
                                        filetype: *mut MPI_Datatype,
                                        datarep: *mut c_char)
                                        -> c_int