-void *_set_search (set *, const void *, size_t, unsigned, _set_action);
-
-#if defined(DEBUG) && defined(HAVE_GNU_MALLOC)
-extern const char *set_tag;
-# ifdef SET_ID
-# define SET_TRACE set_tag = SET_ID,
-# else
-# define SET_TRACE set_tag = __FILE__,
-# endif
-#else /* !(DEBUG && HAVE_GNU_MALLOC) */
-# define SET_TRACE
-#endif /* !(DEBUG && HAVE_GNU_MALLOC) */
+FIRM_API void *_set_search(set *, const void *, size_t, unsigned, _set_action);