Variables starting with `o' in src

• old_data src/snd.c:426
• oldIsRealtime src/host.c:31
• old_size src/ethernet.c:421
• OpcodeName src/m68000.c:57
• osDarkmatter src/host.c:43
• OverlayLedRect src/statusbar.c:58
• OverlayUnderside src/statusbar.c:61