text: #ifndef BACKUP_H
  #define BACKUP_H
  
  bool udp_lock();
  int do_backup(const char *yaml, size_t yaml_len, bool wait_mode,
                const char *filename);
  int restore_backup(const char *arg, bool skip_env, bool force);
  int do_upgrade(const char *filename, bool force);
  
  #endif /* BACKUP_H */
  