exit(3)                                                         exit(3)

  exit()

  NAME

    exit() - perform normal program termination

  SYNOPSIS

    #include 

    void exit (int status)

  DESCRIPTION

    Exit(3) terminates a process.

    Before termination it performs the following functions in the order
    listed:
   1.     Call the functions registered with the atexit(3) function, in the
          reverse order of their registration.
   2.     Flush all open output streams.
   3.     Close all open streams.
   4.     Unlink all files created with the tmpfile(3) function.

  RETURN VALUES

    The exit(3) function never returns.

  SEE ALSO

    _exit(2)

    atexit(3)

    tmpfile(3)

  USAGE NOTES

    The exit function is not thread safe.

    The exit function is not async-signal safe.