okay. almost same:
self->priv->native_gpo = (angrybirds_gpo_t)LOOKUP_M("ka3d_MyRenderer_nativeGetPossibleOrientations"); self->priv->native_gpo != NULL &&
self->priv->native_loadfromurl = (angrybirds_loadfromurl_t)LOOKUP_M("ka3d_MyRenderer_nativeLoadFromUrl"); self->priv->native_loadfromurl != NULL &&