#define UTF8 "UTF-8"
-char * recode_string (const char *to, const char *from,
+struct pool;
+
+char *recode_string_pool (const char *to, const char *from,
+ const char *text, int length, struct pool *pool);
+
+char *recode_string (const char *to, const char *from,
const char *text, int len);