Tiny implementation of Conway's game of life.

conway_life.c

#define _+o[~$&1][O
o[2][992],$;main(O){
for(;gets(o);$++)for
(puts("\e[H"),O=32;O
++<960;)putchar(O%32
?" O"[o[$&1][O]=3==(
_-33]_-32]_-1]_-31]_
+1]_+31]_+32]_+33]|_
])|O%9&!$]:10);}