F_SETFL          1017 src/dps8/fnpuv.c             int ret = fcntl (linep->tun_fd, F_SETFL, flags);
F_SETFL           260 src/dps8/udplib.c     rc = fcntl (sock, F_SETFL, fcntl (sock, F_GETFL, 0) | O_NONBLOCK);
F_SETFL          2155 src/simh/sim_console.c (void)fcntl (0, F_SETFL, runfl);                         /* non-block mode */
F_SETFL          2169 src/simh/sim_console.c (void)fcntl (0, F_SETFL, cmdfl);                         /* block mode */
F_SETFL           387 src/simh/sim_fio.c     return fcntl(fileno(fptr), F_SETFL, flags | O_NONBLOCK);
F_SETFL           732 src/simh/sim_sock.c sta = fcntl (sock, F_SETFL, fl | O_NONBLOCK);           /* set nonblock */