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diff --git a/include/symcat.h b/include/symcat.h
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--- a/include/symcat.h
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-/* Symbol concatenation utilities.
-
- Copyright (C) 1998, 2000, 2010 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifndef SYM_CAT_H
-#define SYM_CAT_H
-
-#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
-#define CONCAT2(a,b) a##b
-#define CONCAT3(a,b,c) a##b##c
-#define CONCAT4(a,b,c,d) a##b##c##d
-#define CONCAT5(a,b,c,d,e) a##b##c##d##e
-#define CONCAT6(a,b,c,d,e,f) a##b##c##d##e##f
-#define STRINGX(s) #s
-#else
-/* Note one should never pass extra whitespace to the CONCATn macros,
- e.g. CONCAT2(foo, bar) because traditonal C will keep the space between
- the two labels instead of concatenating them. Instead, make sure to
- write CONCAT2(foo,bar). */
-#define CONCAT2(a,b) a/**/b
-#define CONCAT3(a,b,c) a/**/b/**/c
-#define CONCAT4(a,b,c,d) a/**/b/**/c/**/d
-#define CONCAT5(a,b,c,d,e) a/**/b/**/c/**/d/**/e
-#define CONCAT6(a,b,c,d,e,f) a/**/b/**/c/**/d/**/e/**/f
-#define STRINGX(s) "s"
-#endif
-
-#define XCONCAT2(a,b) CONCAT2(a,b)
-#define XCONCAT3(a,b,c) CONCAT3(a,b,c)
-#define XCONCAT4(a,b,c,d) CONCAT4(a,b,c,d)
-#define XCONCAT5(a,b,c,d,e) CONCAT5(a,b,c,d,e)
-#define XCONCAT6(a,b,c,d,e,f) CONCAT6(a,b,c,d,e,f)
-
-/* Note the layer of indirection here is typically used to allow
- stringification of the expansion of macros. I.e. "#define foo
- bar", "XSTRING(foo)", to yield "bar". Be aware that this only
- works for __STDC__, not for traditional C which will still resolve
- to "foo". */
-#define XSTRING(s) STRINGX(s)
-
-#endif /* SYM_CAT_H */