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#include <fenv.h>
extern fenv_t const *FE_DFL_ENV;
#define FE_DFL_ENV ((const fenv_t*)FE_DFL_ENV)
/* */
/* represents the default floating-point environment — the one installed at program startup */
/* — and has type ‘‘pointer to const-qualified fenv_t’’. It can be used as an argument to */
/* <fenv.h> functions that manage the floating-point environment. */
/* */
/* Additional implementation-defined environments, with macro definitions beginning with */
/* FE_ and an uppercase letter, and having type ‘‘pointer to const-qualified fenv_t’’, may */
/* also be specified by the implementation. */
/* */
/*
STDC(199901)
LINK(m)
*/
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