#if !defined _Noreturn && __STDC_VERSION__ < 201112

# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \

      || 0x5110 <= __SUNPRO_C)

#  define _Noreturn __attribute__ ((__noreturn__))

# elif 1200 <= _MSC_VER

#  define _Noreturn __declspec (noreturn)

# else

#  define _Noreturn

# endif

#endif