#if !defined ISO && !defined POSIX && !defined XPG4 && !defined XPG42 && !defined UNIX98

type fenv_t

type fexcept_t

optional-macro-int-constant FE_DIVBYZERO

optional-macro-int-constant FE_INEXACT

optional-macro-int-constant FE_INVALID

optional-macro-int-constant FE_OVERFLOW

optional-macro-int-constant FE_UNDERFLOW

macro-int-constant FE_ALL_EXCEPT

optional-macro-int-constant FE_DOWNWARD

optional-macro-int-constant FE_TONEAREST

optional-macro-int-constant FE_TOWARDZERO

optional-macro-int-constant FE_UPWARD

allow FE_[ABCDEFGHIJKLMNOPQRSTUVWXYZ]*

macro FE_DFL_ENV {const fenv_t *}

function int feclearexcept (int)

function int fegetexceptflag (fexcept_t*, int)

function int feraiseexcept (int)

function int fesetexceptflag (const fexcept_t*, int)

function int fetestexcept (int)

function int fegetround (void)

function int fesetround (int)

function int fegetenv (fenv_t*)

function int feholdexcept (fenv_t*)

function int fesetenv (const fenv_t*)

function int feupdateenv (const fenv_t *)

#if !defined ISO && !defined ISO99 && !defined ISO11

allow *_t

#endif

#endif