fenv_t
extern const fenv_t __fenv_dfl_env;
extern fenv_t __fenv_dfl_env;
extern int fegetenv(fenv_t *);
extern int fesetenv(const fenv_t *);
extern int feholdexcept(fenv_t *);
extern int feupdateenv(const fenv_t *);
extern void fex_merge_flags(const fenv_t *);
static fenv_t master_env;
fenv_t master_env;
int fesetenv(const fenv_t *p)
void fex_merge_flags(const fenv_t *p)
const fenv_t __fenv_dfl_env = {
int feholdexcept(fenv_t *p)
int feholdexcept96(fenv_t *p)
int feupdateenv(const fenv_t *p)
int fegetenv(fenv_t *p)