TELNET_FD_NET
pfd[TELNET_FD_NET].fd = net;
pfd[TELNET_FD_NET].events = 0;
pfd[TELNET_FD_NET].events |= POLLOUT;
pfd[TELNET_FD_NET].events |= POLLIN;
pfd[TELNET_FD_NET].events |= POLLRDBAND;
pfd[TELNET_FD_NET].fd = -1;
if (pfd[TELNET_FD_NET].revents & POLLRDBAND) {
if (pfd[TELNET_FD_NET].revents & (POLLIN|POLLHUP)) {
if (pfd[TELNET_FD_NET].revents & POLLOUT) {