MAX_MARSHAL_SIZE
char marshalled_client[MAX_MARSHAL_SIZE];
(u_int)MAX_MARSHAL_SIZE, XDR_ENCODE);
char mclient[MAX_MARSHAL_SIZE];
xdrmem_create(&xdrs, ap->mclient, MAX_MARSHAL_SIZE, XDR_ENCODE);
xdrmem_create(&xdrs, ap->mclient, MAX_MARSHAL_SIZE, XDR_ENCODE);
char mclient[MAX_MARSHAL_SIZE];