_nss_XbyY_buf_free
extern void _nss_XbyY_buf_free(nss_XbyY_buf_t *);
#define NSS_XbyY_FREE(bufpp) (_nss_XbyY_buf_free(*bufpp), (*bufpp) = 0)
_nss_XbyY_buf_free(buf);
_nss_XbyY_buf_free(buf);
_nss_XbyY_buf_free(buf);