Defines starting with `o' in arch/i386/isa

• OBUSY arch/i386/isa/lpt.c:119
• OFLO arch/i386/isa/if_isreg.h:72
• ONE arch/i386/isa/if_isreg.h:81
• ONLINE arch/i386/isa/wt.c:171
• OPEN arch/i386/isa/lpt.c:116
• OWN arch/i386/isa/if_isreg.h:69