wset 1141 main/network.c fd_set rset, wset, eset; wset 1156 main/network.c FD_ZERO(&wset); wset 1164 main/network.c PHP_SAFE_FD_SET(ufds[i].fd, &wset); wset 1181 main/network.c n = select(max_fd + 1, &rset, &wset, &eset, timeout >= 0 ? &tv : NULL); wset 1191 main/network.c if (PHP_SAFE_FD_ISSET(ufds[i].fd, &wset)) {