-namespace std {
-
- typedef size_t ssize;
-#define NPOS std::string::npos
-
- string to_string (string s);
- string to_string (char c, int n = 1);
- string to_string (int i, char const *format = 0);
- string to_string (double f, char const *format = 0);
- string to_string (long);
- string to_string (unsigned);
- string to_string (bool b);
- string to_string (char const *format, ...);
-
- string &replace_all (string &str, string find, string replace);
- string &replace_all (string &str, char find, char replace);
- char *string_copy (string s);
-
- int string_compare (string const &, string const &);
-
- INSTANTIATE_COMPARE (string const &, string_compare);
-}
+using namespace std;
+
+typedef size_t ssize;
+#define NPOS string::npos
+
+string to_string (const string&);
+string to_string (char c, int n = 1);
+string to_string (int i, char const *format = 0);
+string to_string (double f, char const *format = 0);
+string to_string (long);
+string to_string (long unsigned);
+string to_string (I64, char const *format = 0);
+string to_string (unsigned);
+string to_string (bool b);
+string to_string (char const *format, ...)
+__attribute__ ((format (printf, 1, 2)));
+
+string &replace_all (string *str, string const &find, string const &replace);
+string &replace_all (string *str, char find, char replace);
+char *string_copy (const string &s);
+
+int string_compare (string const &, string const &);