(define-interface yp-interface
  (export
   yp-error?
   yp-communication-error?
   yp-unknown-resource-error?
   yp-internal-error?

   yp-bad-arguments?
   yp-bad-database?
   yp-binding-error?
   yp-unknown-key?
   yp-unknown-map?
   yp-no-domain?
   yp-portmap-failure?
   yp-allocation-failure?
   yp-rpc-failure?
   yp-bind-failure?
   yp-server-error?
   
   yp-get-default-domain
   yp-bind
   yp-unbind
   yp-match
   yp-order
   yp-master
   yp-first
   yp-next
   yp-map->list))