- __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 (string s);
-
-int string_compare (string const &, string const &);
-
-INSTANTIATE_COMPARE (string const &, string_compare);