+/* Converts the Unicode character CODE to its multibyte representation
+ in the current locale and calls the SUCCESS callback on the resulting
+ byte sequence. If an error occurs, invokes the FAILURE callback instead,
+ passing it CODE and an English error string.
+ Returns whatever the callback returned.
+ Assumes that the locale doesn't change between two calls. */
+extern long unicode_to_mb (unsigned int code,
+ long (*success) (const char *buf, size_t buflen,
+ void *callback_arg),
+ long (*failure) (unsigned int code, const char *msg,
+ void *callback_arg),
+ void *callback_arg);
+
+/* Outputs the Unicode character CODE to the output stream STREAM.
+ Upon failure, exit if exit_on_error is true, otherwise output a fallback
+ notation. */
+extern void print_unicode_char (FILE *stream, unsigned int code,
+ int exit_on_error);
+
+/* Simple success callback that outputs the converted string.
+ The STREAM is passed as callback_arg. */
+extern long fwrite_success_callback (const char *buf, size_t buflen,
+ void *callback_arg);