#include <ginac/basic.h>
+namespace GiNaC {
+
struct registered_structure_info {
char const * name;
};
extern const structure some_structure;
extern type_info const & typeid_structure;
-#endif // ndef __GINAC_STRUCTURE_H__
+} // namespace GiNaC
+#endif // ndef __GINAC_STRUCTURE_H__