Function mpi::ffi::MPI_Sendrecv

pub unsafe extern fn MPI_Sendrecv(sendbuf: *const c_void,
                                  sendcount: c_int,
                                  sendtype: MPI_Datatype,
                                  dest: c_int,
                                  sendtag: c_int,
                                  recvbuf: *mut c_void,
                                  recvcount: c_int,
                                  recvtype: MPI_Datatype,
                                  source: c_int,
                                  recvtag: c_int,
                                  comm: MPI_Comm,
                                  status: *mut MPI_Status)
                                  -> c_int