libc {

  GLIBC_2.0 {

    # f*

    ftok;

    # m*

    msgctl; msgget; msgrcv; msgsnd;

    # s*

    semctl; semget; semop; shmat; shmctl; shmdt; shmget;

  }

  GLIBC_2.3.3 {

    # Non-standard function.

    semtimedop;

  }

  GLIBC_PRIVATE {

    # Cancellation point entries.

    __libc_msgrcv; __libc_msgsnd;

  }

}