#ifdef XOPEN2K
macro complex
macro _Complex_I
optional-macro imaginary
optional-macro _Imaginary_I
macro I

function double cabs (double complex)
function {double complex} cacos (double complex)
function {double complex} cacosh (double complex)
function double carg (double complex)
function {double complex} casin (double complex)
function {double complex} casinh (double complex)
function {double complex} catan (double complex)
function {double complex} catanh (double complex)
function {double complex} ccos (double complex)
function {double complex} ccosh (double complex)
function {double complex} cexp (double complex)
function double cimag (double complex)
function {double complex} clog (double complex)
function {double complex} conj (double complex)
function {double complex} cpow (double complex, double complex)
function {double complex} cproj (double complex)
function double creal (double complex)
function {double complex} csin (double complex)
function {double complex} csinh (double complex)
function {double complex} csqrt (double complex)
function {double complex} ctan (double complex)
function {double complex} ctanh (double complex)

function float cabsf (float complex)
function {float complex} cacosf (float complex)
function {float complex} cacoshf (float complex)
function float cargf (float complex)
function {float complex} casinf (float complex)
function {float complex} casinhf (float complex)
function {float complex} catanf (float complex)
function {float complex} catanhf (float complex)
function {float complex} ccosf (float complex)
function {float complex} ccoshf (float complex)
function {float complex} cexpf (float complex)
function float cimagf (float complex)
function {float complex} clogf (float complex)
function {float complex} conjf (float complex)
function {float complex} cpowf (float complex, float complex)
function {float complex} cprojf (float complex)
function float crealf (float complex)
function {float complex} csinf (float complex)
function {float complex} csinhf (float complex)
function {float complex} csqrtf (float complex)
function {float complex} ctanf (float complex)
function {float complex} ctanhf (float complex)

function {long double} cabsl (long double complex)
function {long double complex} cacosl (long double complex)
function {long double complex} cacoshl (long double complex)
function {long double} cargl (long double complex)
function {long double complex} casinhl (long double complex)
function {long double complex} casinl (long double complex)
function {long double complex} catanhl (long double complex)
function {long double complex} catanl (long double complex)
function {long double complex} ccoshl (long double complex)
function {long double complex} ccosl (long double complex)
function {long double complex} cexpl (long double complex)
function {long double} cimagl (long double complex)
function {long double complex} clogl (long double complex)
function {long double complex} conjl (long double complex)
function {long double complex} cpowl (long double complex, long double complex)
function {long double complex} cprojl (long double complex)
function {long double} creall (long double complex)
function {long double complex} csinhl (long double complex)
function {long double complex} csinl (long double complex)
function {long double complex} csqrtl (long double complex)
function {long double complex} ctanhl (long double complex)
function {long double complex} ctanl (long double complex)
#endif