xdr_varg
if (!xdr_varg(&xdrs_a, &varg)) {
xdr_free(xdr_varg, (char *)&varg);
if ((absz = xdr_sizeof(xdr_varg, &varg)) == 0) {
if (!xdr_varg(&xdrs, &varg)) {
extern bool_t xdr_varg(XDR *, varg_t *);