CLSET_FD_CLOSE
case CLSET_FD_CLOSE:
(void) CLNT_CONTROL(cl, CLSET_FD_CLOSE, NULL);
case CLSET_FD_CLOSE:
(void) CLNT_CONTROL(cl, CLSET_FD_CLOSE, NULL);
(void) CLNT_CONTROL(client, CLSET_FD_CLOSE, NULL);