void silc_sftp_setstat(SilcSFTP sftp,
                           const char *path,
                           SilcSFTPAttributes attrs,
                           SilcSFTPStatusCallback callback,
                           void *context);

    Sets a file attributes to a file indicated by the `path' with the
    attributes indicated by the `attrs'.  Calls the `callback' to indicate
    the status of the setting.