rts_abs, /**< the name of the abs() function */
rts_labs, /**< the name of the labs() function */
rts_llabs, /**< the name of the llabs() function */
rts_abs, /**< the name of the abs() function */
rts_labs, /**< the name of the labs() function */
rts_llabs, /**< the name of the llabs() function */