GLIBC_2.2 {
  global:

  timer_gettime; timer_settime;
  local: timer_settime_*; timer_gettime_*;
};

GLIBC_2.3.3 {
  # Changed timer_t.
  timer_gettime; timer_settime;
} GLIBC_2.2;

GLIBC_2.2.5 {
  global:  pthread_cond_timedwait;
  local: pthread_cond_timedwait_*; pthread_cond_init_*; pthread_cond_destroy*;
};

GLIBC_2.3.2 {
  pthread_cond_timedwait; pthread_cond_init; pthread_cond_destroy;
} GLIBC_2.2.5;