GList *uri_list_extract_filenames (const gchar *uri_list);
gboolean is_uri_string (const gchar *str);
gchar *get_uri_path (const gchar *uri);
+gint get_uri_len (const gchar *str);
void decode_uri (gchar *decoded_uri,
const gchar *encoded_uri);
gint scan_mailto_url (const gchar *mailto,