err_str          1237 src/vfs/ftpfs/ftpfs.c         const char *err_str;
err_str          1244 src/vfs/ftpfs/ftpfs.c             err_str = unix_error_string (me->verrno);
err_str          1249 src/vfs/ftpfs/ftpfs.c             err_str = gai_strerror (res);
err_str          1252 src/vfs/ftpfs/ftpfs.c         vfs_print_message (_ ("ftpfs: could not make address-to-name translation: %s"), err_str);