if (mkfifo($path, $mode)) { ....
Returns C<undef> on failure. The C<$mode> is similar to the
-mode of C<mkdir()>, see L<perlfunc/mkdir>.
+mode of C<mkdir()>, see L<perlfunc/mkdir>, though for C<mkfifo>
+you B<must> specify the C<$mode>.
=item mktime
Obtain the attributes for stdin.
+ $termios->getattr( 0 ) # Recommended for clarity.
$termios->getattr()
Obtain the attributes for stdout.