@node fileno
@subsection @code{fileno}
@findex fileno

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/fileno.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

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