Function mpi::ffi::MPI_File_get_view

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