rpc_buffer
if ((rpc_buffer(xprt) = malloc(su->su_iosz)) == NULL)
xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), (u_int)su->su_iosz,
rlen = recvfrom(xprt->xp_fd, rpc_buffer(xprt), su->su_iosz, 0,
if (sendto(xprt->xp_fd, rpc_buffer(xprt), slen, 0,
(void) 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), (u_int)su->su_iosz,