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

• octave arch/i386/isa/spkr.c:119
• octprefix arch/i386/isa/spkr.c:124
• octtrack arch/i386/isa/spkr.c:123
• ombn arch/i386/isa/wd7000.c:102
• openf arch/i386/isa/pccons.c:130