+#ifndef __NTH
+# define __NTH(fct) fct __THROW
+#endif
+
+#ifndef __attribute__
+/* The __attribute__ feature is available in gcc versions 2.5 and later.
+ The __-protected variants of the attributes 'format' and 'printf' are
+ accepted by gcc versions 2.6.4 (effectively 2.7) and later.
+ We enable __attribute__ only if these are supported too, because
+ gnulib and libintl do '#define printf __printf__' when they override
+ the 'printf' function. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __attribute__(Spec) /* empty */
+# endif
+#endif
+
+/* GCC 2.95 and later have "__restrict"; C99 compilers have
+ "restrict", and "configure" may have defined "restrict".
+ Other compilers use __restrict, __restrict__, and _Restrict, and
+ 'configure' might #define 'restrict' to those words. */
+#ifndef __restrict
+# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
+# if 199901L <= __STDC_VERSION__
+# define __restrict restrict
+# else
+# define __restrict
+# endif
+# endif
+#endif