picl_retnextattr_t
picl_retnextattr_t ret;
(void) door_return((char *)&ret, sizeof (picl_retnextattr_t), NULL, 0);
picl_retnextattr_t outargs;
sizeof (picl_retnextattr_t), SEND_REQ_TRYCOUNT);
picl_retnextattr_t ret_nextattr; /* ret next attr */