xdr_authdes_cred
if (!xdr_authdes_cred(xdrs, cred))
extern bool_t xdr_authdes_cred(XDR *, struct authdes_cred *);
extern bool_t xdr_authdes_cred(XDR *, struct authdes_cred *);
extern bool_t xdr_authdes_cred();
ATTEMPT(xdr_authdes_cred(xdrs, cred));