if(FD_ISSET(door_fd, &tmpfds)) {
return_value = nonblock_readline(door_buffer, door_fd, &cmd_q, client_lst, process_door);
if(return_value)
if(FD_ISSET(door_fd, &tmpfds)) {
return_value = nonblock_readline(door_buffer, door_fd, &cmd_q, client_lst, process_door);
if(return_value)