rpc_buffer
if ((rpc_buffer(xprt) = malloc(su->su_iosz)) == NULL) {
xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz,
free(rpc_buffer(xprt));
rlen = recvfrom(xprt->xp_sock, rpc_buffer(xprt), (int) su->su_iosz,
if (sendto(xprt->xp_sock, rpc_buffer(xprt), slen, 0,
mem_free(rpc_buffer(xprt), su->su_iosz);
victim->cache_reply = rpc_buffer(xprt);
rpc_buffer(xprt) = newbuf;
xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz, XDR_ENCODE);