Function mpi::ffi::MPI_Pack

pub unsafe extern fn MPI_Pack(inbuf: *const c_void,
                              incount: c_int,
                              datatype: MPI_Datatype,
                              outbuf: *mut c_void,
                              outsize: c_int,
                              position: *mut c_int,
                              comm: MPI_Comm)
                              -> c_int