ep_stdin.events = EPOLLIN;
ep_stdin.data.fd = STDIN_FILENO;
if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) {
ep_stdin.events = EPOLLIN;
ep_stdin.data.fd = STDIN_FILENO;
if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, STDIN_FILENO, &ep_stdin) < 0) {