rfds 215 source3/libaddns/dnssock.c fd_set rfds; rfds 222 source3/libaddns/dnssock.c FD_ZERO( &rfds ); rfds 223 source3/libaddns/dnssock.c FD_SET( fd, &rfds ); rfds 229 source3/libaddns/dnssock.c fd_ready = select( fd+1, &rfds, NULL, NULL, &tv );