Variables starting with `o' in src/od-win32

• ol src/od-win32/parser.c:41
• oldstatelw src/od-win32/parser.c:298
• oldstaterw src/od-win32/parser.c:298
• our_possible_depths src/od-win32/win32gfx.c:331
• outbuf src/od-win32/parser.c:150
• outlast src/od-win32/parser.c:151
• overlay src/od-win32/win32gfx.c:43