#define _X 0100
#define _B 0200
-#if !defined(__CYGWIN__) || defined(__INSIDE_CYGWIN__) || defined(_COMPILING_NEWLIB)
-extern _CONST char _ctype_[];
-#else
-extern _CONST char _ctype_[] __declspec(dllimport);
-#endif
+extern __IMPORT _CONST char _ctype_[];
#define isalpha(c) ((_ctype_+1)[(unsigned)(c)]&(_U|_L))
#define isupper(c) ((_ctype_+1)[(unsigned)(c)]&_U)