1: libc {
    2:   GLIBC_2.0 {
    3:     # e*
    4:     endutent;
    5: 
    6:     # g*
    7:     getlogin; getlogin_r; getutent; getutent_r; getutid; getutid_r; getutline;
    8:     getutline_r;
    9: 
   10:     # p*
   11:     pututline;
   12: 
   13:     # s*
   14:     setutent;
   15: 
   16:     # u*
   17:     updwtmp; utmpname;
   18:   }
   19:   GLIBC_2.1 {
   20:     # e*
   21:     endutxent;
   22: 
   23:     # g*
   24:     getpt; getutxent; getutxid; getutxline; grantpt;
   25: 
   26:     # p*
   27:     ptsname; ptsname_r; pututxline;
   28: 
   29:     # s*
   30:     setutxent;
   31: 
   32:     # u*
   33:     unlockpt; updwtmpx; utmpxname;
   34:   }
   35:   GLIBC_2.1.1 {
   36:     # g*
   37:     getutmpx; getutmp;
   38:   }
   39:   GLIBC_2.2.1 {
   40:     # p*
   41:     posix_openpt;
   42:   }
   43: }
   44: 
   45: libutil {
   46:   GLIBC_2.0 {
   47:     forkpty; login; login_tty; logout; logwtmp; openpty;
   48:   }
   49: }