@node atexit
@section @code{atexit}
@findex atexit

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/atexit.html}

Gnulib module: atexit

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some old platforms.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize
