char const *flower_version_str0 ();
-template<class T, class K> struct Assoc;
-template<class K, class V> struct Hash_table;
-template<class K, class V> struct Hash_table_iter;
-
typedef unsigned char Byte;
struct String_convert;
#include "std-string.hh"
-#include "std-vector.hh"
using namespace std;
#include "real.hh"
-template<class T> struct Link_list;
template<class T> struct Interval_t;
template<class T> struct PQueue;