1: libc {
    2:   GLIBC_2.1 {
    3:     # variables in normal name space
    4:     argp_err_exit_status; argp_program_bug_address; argp_program_version;
    5:     argp_program_version_hook;
    6: 
    7:     # a*
    8:     argp_error; argp_failure; argp_help; argp_parse; argp_state_help;
    9:     argp_usage;
   10: 
   11:     # kludge for recursive argp callers that know the magic.
   12:     _argp_unlock_xxx;
   13:   }
   14: }