502       fd_set rset, wset, eset;  in main()  local
504       FD_ZERO(&rset);  in main()
511       if ((t.tv_sec = set_dns_listeners(now, &rset, &maxfd)) != 0)  in main()
517       set_android_listeners(&rset, &maxfd);  in main()
523 	  FD_SET(daemon->dhcpfd, &rset);  in main()
529       FD_SET(daemon->netlinkfd, &rset);  in main()
533       FD_SET(piperead, &rset);  in main()
555       if (select(maxfd+1, &rset, &wset, &eset, tp) < 0)  in main()
558 	  FD_ZERO(&rset); FD_ZERO(&wset); FD_ZERO(&eset);  in main()
577       if (FD_ISSET(piperead, &rset))  in main()
581       if (FD_ISSET(daemon->netlinkfd, &rset))  in main()
586       check_android_listeners(&rset);  in main()
589       check_dns_listeners(&rset, now);  in main()
592       if (daemon->dhcp && FD_ISSET(daemon->dhcpfd, &rset))  in main()
1175       fd_set rset, wset;  in icmp_ping()  local
1183       FD_ZERO(&rset);  in icmp_ping()
1185       FD_SET(fd, &rset);  in icmp_ping()
1186       set_dns_listeners(now, &rset, &maxfd);  in icmp_ping()
1189       if (select(maxfd+1, &rset, &wset, NULL, &tv) < 0)  in icmp_ping()
1191 	  FD_ZERO(&rset);  in icmp_ping()
1198       check_dns_listeners(&rset, now);  in icmp_ping()
1200       if (FD_ISSET(fd, &rset) &&  in icmp_ping()