+DEF_C99_BUILTIN (BUILT_IN_TGAMMA, "tgamma", BT_FN_DOUBLE_DOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_C99_BUILTIN (BUILT_IN_TGAMMAF, "tgammaf", BT_FN_FLOAT_FLOAT, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_C99_BUILTIN (BUILT_IN_TGAMMAL, "tgammal", BT_FN_LONGDOUBLE_LONGDOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_C99_BUILTIN (BUILT_IN_TRUNC, "trunc", BT_FN_DOUBLE_DOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_TRUNCF, "truncf", BT_FN_FLOAT_FLOAT, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_TRUNCL, "truncl", BT_FN_LONGDOUBLE_LONGDOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_Y0, "y0", BT_FN_DOUBLE_DOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_Y0F, "y0f", BT_FN_FLOAT_FLOAT, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_Y0L, "y0l", BT_FN_LONGDOUBLE_LONGDOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_Y1, "y1", BT_FN_DOUBLE_DOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_Y1F, "y1f", BT_FN_FLOAT_FLOAT, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_Y1L, "y1l", BT_FN_LONGDOUBLE_LONGDOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_YN, "yn", BT_FN_DOUBLE_INT_DOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_YNF, "ynf", BT_FN_FLOAT_INT_FLOAT, ATTR_MATHFN_FPROUNDING_ERRNO)
+DEF_EXT_LIB_BUILTIN (BUILT_IN_YNL, "ynl", BT_FN_LONGDOUBLE_INT_LONGDOUBLE, ATTR_MATHFN_FPROUNDING_ERRNO)
+
+/* Category: _Complex math builtins. */
+DEF_C99_BUILTIN (BUILT_IN_CABS, "cabs", BT_FN_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CABSF, "cabsf", BT_FN_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CABSL, "cabsl", BT_FN_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CACOS, "cacos", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CACOSF, "cacosf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CACOSH, "cacosh", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CACOSHF, "cacoshf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CACOSHL, "cacoshl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CACOSL, "cacosl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CARG, "carg", BT_FN_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CARGF, "cargf", BT_FN_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CARGL, "cargl", BT_FN_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CASIN, "casin", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CASINF, "casinf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CASINH, "casinh", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CASINHF, "casinhf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CASINHL, "casinhl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CASINL, "casinl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CATAN, "catan", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CATANF, "catanf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CATANH, "catanh", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CATANHF, "catanhf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CATANHL, "catanhl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CATANL, "catanl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CCOS, "ccos", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CCOSF, "ccosf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CCOSH, "ccosh", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CCOSHF, "ccoshf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CCOSHL, "ccoshl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CCOSL, "ccosl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CEXP, "cexp", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CEXPF, "cexpf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CEXPL, "cexpl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_GCC_BUILTIN (BUILT_IN_CEXPI, "cexpi", BT_FN_COMPLEX_DOUBLE_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_GCC_BUILTIN (BUILT_IN_CEXPIF, "cexpif", BT_FN_COMPLEX_FLOAT_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_GCC_BUILTIN (BUILT_IN_CEXPIL, "cexpil", BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CIMAG, "cimag", BT_FN_DOUBLE_COMPLEX_DOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CIMAGF, "cimagf", BT_FN_FLOAT_COMPLEX_FLOAT, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CIMAGL, "cimagl", BT_FN_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CLOG, "clog", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CLOGF, "clogf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CLOGL, "clogl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_EXT_C99RES_BUILTIN (BUILT_IN_CLOG10, "clog10", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_EXT_C99RES_BUILTIN (BUILT_IN_CLOG10F, "clog10f", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_EXT_C99RES_BUILTIN (BUILT_IN_CLOG10L, "clog10l", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CONJ, "conj", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CONJF, "conjf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CONJL, "conjl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CPOW, "cpow", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CPOWF, "cpowf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CPOWL, "cpowl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CPROJ, "cproj", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CPROJF, "cprojf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CPROJL, "cprojl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CREAL, "creal", BT_FN_DOUBLE_COMPLEX_DOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CREALF, "crealf", BT_FN_FLOAT_COMPLEX_FLOAT, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CREALL, "creall", BT_FN_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST)
+DEF_C99_BUILTIN (BUILT_IN_CSIN, "csin", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSINF, "csinf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSINH, "csinh", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSINHF, "csinhf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSINHL, "csinhl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSINL, "csinl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSQRT, "csqrt", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSQRTF, "csqrtf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CSQRTL, "csqrtl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CTAN, "ctan", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CTANF, "ctanf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CTANH, "ctanh", BT_FN_COMPLEX_DOUBLE_COMPLEX_DOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CTANHF, "ctanhf", BT_FN_COMPLEX_FLOAT_COMPLEX_FLOAT, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CTANHL, "ctanhl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)
+DEF_C99_BUILTIN (BUILT_IN_CTANL, "ctanl", BT_FN_COMPLEX_LONGDOUBLE_COMPLEX_LONGDOUBLE, ATTR_MATHFN_FPROUNDING)