gistfile1.c

    epfd = epoll_create(1);
    if (epfd == -1)
        errExit("epoll_create");

    ev.events = EPOLLIN;
    ev.data.fd = sockfd;
    epoll_ctl(epfd, EPOLL_CTL_ADD, sockfd, &ev);

    ev.events = EPOLLIN;
    ev.data.fd = STDIN_FILENO;
    epoll_ctl(epfd, EPOLL_CTL_ADD, STDIN_FILENO, &ev);

    /* FIXME: Loop using epoll_wait() to monitor the file descriptors, and sending data from standard input to the socket and vice versa */

    for (;;) {
        ready = epoll_wait(epfd, &rev, 1, -1);
        if (ready == -1) {
            if (errno == EINTR)
                continue;
            else
                errExit("epoll_wait");
        }

        if (rev.events & EPOLLIN) {
            memset(inputBuf, 0, BUF_SIZE + 1);
            nr = readLine(rev.data.fd, inputBuf, BUF_SIZE);
            if (rev.data.fd == STDIN_FILENO) {
                snprintf(outputBuf, sizeof(outputBuf), "%s: %s\n", nickname, inputBuf);
                write(sockfd, outputBuf, strlen(outputBuf));
            } else {
                printf("%s\n", inputBuf);
            }
        }
    };