+/*
+ * What we need to extract the backtrace in exception handling code
+ */
+#ifdef HAVE_EXECINFO_H
+# include <execinfo.h>
+#endif
+
+/*
+ * Some debugging functions. Can't we find a better place for this??
+ */
+void hexa_print(const char*name, unsigned char *data, int size);
+const char *hexa_str(unsigned char *data, int size);
+