atexit_registered  130 src/simh/linehistory.c static int atexit_registered = 0;   /* Register atexit just 1 time.             */
atexit_registered  252 src/simh/linehistory.c   if (!atexit_registered)
atexit_registered  255 src/simh/linehistory.c     atexit_registered = 1;