void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
int CtdlDecodeBase64(char *dest, const char *source, size_t length);
void free_attachments(struct wcsession *sess);
void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen);
int CtdlDecodeBase64(char *dest, const char *source, size_t length);
void free_attachments(struct wcsession *sess);