5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/poll.html}
9 Portability problems fixed by Gnulib:
12 This function is missing on some platforms:
15 This function doesn't work on special files like @file{/dev/null} and ttys like
16 @file{/dev/tty} on some platforms:
17 MacOS X 10.4.0, AIX 5.3.
20 Portability problems not fixed by Gnulib: